{"as_of":"2026-08-12T09:37:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:9d9bee1b1bed636d290ebb0f6c9942d82e588711b491f285a6f7e584109eb3f4","coverage":[{"denominator":27,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":27,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-08T11:52:01.895238Z","state":"measured"},{"denominator":27,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":27,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-12T06:34:41.77262+00:00","state":"measured"},{"denominator":0,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"cited_works","source_observed_at":null,"state":"measured"}],"external_citation_measurements":[],"inbound":[],"links":{"evidence":"/evidence","html":"/paper/2502.07723/citation-record","integrity":"/paper/2502.07723/integrity","json":"/paper/2502.07723/citation-record.json","paper":"/paper/2502.07723"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-08T11:52:02.866238Z","title":"This introduces the mass degree of freedom, u, its displacement in the x−direction, and Trib = 1 2 mω2u2, U rib = 1 2 2κ u − w−(0) 2 + u − w+(0) 2","venue":null,"work_id":"ab4d7954-5ac2-41eb-9505-e7b871643467","year":null},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.745210Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:abf92e5fbb8dd9ed5c4dd3c52336a03dc7423901c05112354bd3a63470267151","observation_id":"4aeef893-8881-412e-82dd-3bcc98e13a67","resolution":{"observed_at":"2026-08-08T11:52:02.872419Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-08T11:52:02.847780Z","title":null,"venue":null,"work_id":"1155ae39-c12a-4314-a7f9-b9ff80a2fe15","year":null},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.751879Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:c3d55c75690dea412d470b42da23a78f2a6c1311525641c732ea2d65270ded97","observation_id":"6e954454-e1b0-4b21-94e2-360df5f63872","resolution":{"observed_at":"2026-08-08T11:52:02.853477Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-08T11:52:02.830226Z","title":"1942 Impedance matching means for mechanical waves","venue":null,"work_id":"15069a7e-c590-4e76-81c3-80e709bb9bd1","year":1942},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.758377Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:f24deeca0286e649b6b7e946c9feb947e4b3a0bf228ced6fe2575784ea67ba3a","observation_id":"cda81b53-3cc8-49a4-ae53-785c232de435","resolution":{"observed_at":"2026-08-08T11:52:02.836372Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-08T11:52:02.812605Z","title":"1950 Principles and Application of Waveguide Transmission","venue":null,"work_id":"865ea91c-cfee-4eb9-9e19-818eb6a09587","year":1950},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.764062Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:6a15584e31cc3864ff1f8ce4a5b095fb3d55c72c64d4895ade8b1550518767c2","observation_id":"fb250cd5-5894-4413-a53b-ffbe26125ece","resolution":{"observed_at":"2026-08-08T11:52:02.817491Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-08T11:52:02.695064Z","title":"1978 The design of efficient broad-band piezoelectric transducers","venue":null,"work_id":"c84638be-b86f-4412-836a-e55613b90d42","year":1978},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.769927Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:bd8d3172944b2f99cbeb3f4259c6d570d5177315eea45fb6dc75a2555d310194","observation_id":"c5a90b3b-a201-40f7-97ea-919ad8d9405c","resolution":{"observed_at":"2026-08-08T11:52:02.699982Z","resolver_source":"arxiv_id_nonexistent","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1103/physrevlett.120.044302","metadata_source":"openalex","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T05:30:23.456663Z","title":"2018 Metasurface for Water-to-Air Sound Transmission","venue":"Physical Review Letters","work_id":"444feaf4-dff5-42c2-b4f8-efb69ceec054","year":2018},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.775929Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:cd7ca273d99829167e23179f65cdd08e2c4d22f61b83f0d22ec97e0288ebf935","observation_id":"28605149-2aeb-45d8-b12f-5a291731efe4","resolution":{"observed_at":"2026-08-08T11:52:02.151222Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1063/1.3663623","metadata_source":"openalex","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T05:30:23.456663Z","title":"2011 Enhanced and reduced transmission of acoustic waves with bubble meta-screens","venue":"Applied Physics Letters","work_id":"16300c4f-5a4c-41d0-b7fd-acf30bfae91e","year":2011},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.781884Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:0da0f4df5e67572fecdb0c70d31ee389e7babbc346807e40b7bd80a89dc3dd8a","observation_id":"1cbfd6ba-13fe-4837-afc1-0da52dee9128","resolution":{"observed_at":"2026-08-08T11:52:02.134174Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1177/1461348417744295","metadata_source":"openalex","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T05:30:23.456663Z","title":"2017 Low-frequency sound transmission through rough bubbly air-water interface at the sea surface","venue":"Journal of low frequency noise, vibration and active control","work_id":"ca3ed1c3-ab7e-48d9-b005-786aba2a55c7","year":2017},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.788164Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:17524fb6f6e26e0461d0ccb62eee94bf3e057ff9dffc92cf6a451a33fdd51a41","observation_id":"4d7d91e2-2c58-4c26-a9ff-d46eebf6b96e","resolution":{"observed_at":"2026-08-08T11:52:02.114229Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-08T11:52:02.795678Z","title":"2019 Bubble Architectures for Locally Resonant Acoustic Metamaterials","venue":null,"work_id":"b42ff01a-0bf5-4a8d-9a7e-5425351f4200","year":2019},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.794839Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:9e0ec23330122f0c5bab838ee12d1c36969af9c543b44b8bca4d0de4b3f8fa3b","observation_id":"696ac718-10b3-4ab5-822a-299cbd3ff7b3","resolution":{"observed_at":"2026-08-08T11:52:02.800859Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.34133/2021/9757943","metadata_source":"openalex","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T05:30:23.456663Z","title":"2021a Tunable Fluid-Type Metasurface for Wide-Angle and Multifrequency Water-Air Acoustic Transmission","venue":"Research","work_id":"e1e12219-c12c-4ac4-94e0-241b849ab458","year":2021},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.818399Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:8d5210405183800fc27a72b4e0f59e78a9e9a745c4857256ec4cffa2ae3d1328","observation_id":"ea194cf7-bf62-40dc-b000-65fef94d9986","resolution":{"observed_at":"2026-08-08T11:52:02.063033Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1103/physrevb.102.104105","metadata_source":"openalex","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T05:30:23.456663Z","title":"2020 Sound propagation across the air water interface by a critically coupled resonant bubble","venue":"Physical review. B./Physical review. B","work_id":"2fdd3edf-fb51-4616-a086-ab3f3a7efd21","year":2020},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.806561Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:6968ff540518db3fe5f577f4c432cbbf5a57b0ee7c5674d8cdc470662ff06e46","observation_id":"18e9e8a0-788b-4246-bfbc-9a3b3198a7d0","resolution":{"observed_at":"2026-08-08T11:52:02.081384Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-08T11:52:02.777730Z","title":"2023 Tunable sound transmission through water–air interface by membrane-sealed bubble metasurface","venue":null,"work_id":"5d775b77-016a-482f-8f47-270fab3d9165","year":2023},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.812243Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:5534f074f01a42bc7ef2097b243ca4ef058f2e6aabd1ee36d396abb52acfd8e9","observation_id":"f37f3c9b-821b-4210-bd22-463304a54640","resolution":{"observed_at":"2026-08-08T11:52:02.783172Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2305.07896","last_updated":"2023-05-13T11:33:26Z","snapshot_observed_at":"2026-08-09T23:57:44.204634Z","submitted_at":"2023-05-13T11:33:26Z","title":"Gradient Impedance Matching Layers Enable Broadband Water-Air Sound Transmission","version":1},"cited_work":{"arxiv_id":"2305.07896","doi":null,"metadata_source":"pith","pith_arxiv_id":"2305.07896","snapshot_observed_at":"2026-08-08T11:52:02.514143Z","title":"Gradient Impedance Matching Layers Enable Broadband Water-Air Sound Transmission","venue":"physics.app-ph","work_id":"7eb97515-3b6b-46e0-a230-db5e9b8a7816","year":2023},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.836212Z"},"links":{"cited_paper":"/paper/2305.07896","citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:b992fe3cfbc00a5edf65d6dcc346dd7aff7be1ce81f4c4aed1cc6abb3b0c33a8","observation_id":"3be84c2f-c6ba-47f6-af01-944a1638b34d","resolution":{"observed_at":"2026-08-08T11:52:02.521636Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1021/acsami.1c16043","metadata_source":"openalex","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T05:30:23.456663Z","title":"2021b Lotus Metasurface for Wide-Angle Intermediate-Frequency Water–Air Acoustic Transmission","venue":"ACS Applied Materials & Interfaces","work_id":"9ad3e5d1-6cb5-4886-b617-a3aa02fdca21","year":null},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.823959Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:61cfd1842b54ae8142087dcb4104303c89f28c8b100ac061b88737a4c17c150f","observation_id":"2ed18050-657d-4034-ab03-c27c6389b27d","resolution":{"observed_at":"2026-08-08T11:52:02.045759Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1002/adma.202301799","metadata_source":"openalex","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T00:03:40.895421Z","title":"2023 Remote Water-to-Air Eavesdropping with a Phase-Engineered Impedance Matching Metasurface","venue":"Advanced Materials","work_id":"ac0945e3-8229-44b2-b875-e829d1712917","year":2023},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.829975Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:52afee616ccaf2339ea823aa85685dc14379882b9f1dfaa00f9037790e8c2ac4","observation_id":"9794d53e-ebaf-4030-b62f-04b51aa16729","resolution":{"observed_at":"2026-08-08T11:52:02.027900Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-08T11:52:02.335873Z","title":"2024 Discrete metasurface for extreme sound transmission through water-air interface","venue":null,"work_id":"50755c25-3bd9-47ea-a724-bfa2c00dcd70","year":2024},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.854087Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:ffcc6715c26664918b2aa714d927179c4aa2908cc5aec6a1c3e995c53b80c11c","observation_id":"3b80fb1a-4bf7-4adb-81e6-1f63c7b95381","resolution":{"observed_at":"2026-08-08T11:52:02.341537Z","resolver_source":"arxiv_id_nonexistent","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-08T11:52:02.493018Z","title":"2018 Networking across boundaries","venue":null,"work_id":"c3f39f6c-aad9-48d1-b0d8-cb4e5128259a","year":2018},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.842789Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:60136ac7d32b90d2209b196b1f5bfb34d5a794022453bfefab42055c19b9db32","observation_id":"01c80d47-e073-4d31-8497-9f14869f1a19","resolution":{"observed_at":"2026-08-08T11:52:02.497925Z","resolver_source":"arxiv_id_nonexistent","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1002/advs.202207181","metadata_source":"openalex","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T00:03:40.895421Z","title":"2023 Hybrid Metasurfaces for Perfect Transmission and Customized Manipulation of Sound Across Water–Air Interface","venue":"Advanced Science","work_id":"b0eb1b09-bc00-4fc3-b2c4-f706b0bd1a84","year":2023},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.848850Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:635983b74e16a3c37e90d7c7e41404e5310f3c0ce0e62cc364987ec4fa1415b2","observation_id":"c4fa434d-cd18-4091-a415-9432dea6aca9","resolution":{"observed_at":"2026-08-08T11:52:02.008430Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-08T11:52:02.760862Z","title":"2001 Fundamentals of physical acoustics","venue":null,"work_id":"828ab716-d2e9-45c8-b53b-834ebd2a8fb3","year":2001},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.870759Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:c2cec403588aca6ffbd1d429b827b6a35507e0431fe8e4ffe37937cbb85c6f18","observation_id":"9a0e5d51-38d7-4915-9592-e7c955c82166","resolution":{"observed_at":"2026-08-08T11:52:02.766366Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1088/1361-6463/ad1c86","metadata_source":"openalex","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T05:30:23.456663Z","title":"2024 Bioinspired Fano-like resonant transmission: frequency selective impedance matching","venue":"Journal of Physics D Applied Physics","work_id":"20828295-c713-413e-976d-fdd8e3c569ca","year":2024},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.860006Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:7aee23637e492190c8b8caaee94554fdfd76b7f94dbbf2fba2279ee06af834b7","observation_id":"86b851a1-3da1-4a28-99ed-8338be0ceb35","resolution":{"observed_at":"2026-08-08T11:52:01.990861Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1063/5.0168562","metadata_source":"openalex","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T05:30:23.456663Z","title":"2023 Water–air acoustic communication based on broadband impedance matching","venue":"Applied Physics Letters","work_id":"04e3b2dc-e39e-4915-9447-d29e95a3864f","year":2023},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.865754Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:0706739ed8c82a6538908ee8668bc98f83f446d9e5d5657461a6555f73e14be8","observation_id":"c016b4b4-cb1a-47b8-bf15-257b51040d0e","resolution":{"observed_at":"2026-08-08T11:52:01.971279Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-08T11:52:02.728792Z","title":"2000 Fundamentals of Acoustics","venue":null,"work_id":"7d05a4aa-b614-452e-8314-c411fc538aea","year":2000},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.885611Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:7a831868fd57ddfac8e7cd48d6d08e4b4b4504572d1836cf76ede1b8226b1f96","observation_id":"4ce47adf-ae07-4eb2-bf10-593bbf08b581","resolution":{"observed_at":"2026-08-08T11:52:02.733754Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-08T11:52:02.744746Z","title":"1978 Waves in Fluids","venue":null,"work_id":"a2595db6-011f-4cf4-8f7e-b8036d000cea","year":1978},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.875774Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:27b5bbd3d024894d3a153ac9da045bd0b6bcdeba2bf3e5bd3444250610d2e29c","observation_id":"a30fcc94-f8f1-4e1d-acf5-3b01a22421bc","resolution":{"observed_at":"2026-08-08T11:52:02.749628Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1121/10.0025388","metadata_source":"openalex","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T05:30:23.456663Z","title":"2024 Analytical solutions for single and multiple scattering from rib-stiffened plates in water","venue":"The Journal of the Acoustical Society of America","work_id":"1bdb8299-aa1a-4f5c-b67f-c4e395f29903","year":2024},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.880570Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:db23ad2fba444c8b1a08d8ecbcb1f0d72430fa770cf33b28dc5b4d0ca777ddbe","observation_id":"340c29d0-ec71-4341-ad66-38a3904116ab","resolution":{"observed_at":"2026-08-08T11:52:01.954378Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-08T11:52:02.710927Z","title":"1973 Sound radiation from an infinite plate with periodic inhomogeneities","venue":null,"work_id":"316d982a-edab-4592-aa12-d56025482faf","year":1973},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":26,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.890476Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:e8647f25fc88d04e8de39da03891000aed74bed097d081f7ca02a94d776202f1","observation_id":"6db789f1-d42b-4271-a2a6-86ec4950d82c","resolution":{"observed_at":"2026-08-08T11:52:02.716179Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1121/1.381386","metadata_source":"openalex","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T05:30:23.456663Z","title":"1977 Sound transmission through periodically framed parallel plates","venue":"The Journal of the Acoustical Society of America","work_id":"a7962a8c-fbad-40d7-a727-01a34bcba2f2","year":1977},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.895238Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:579859e604f6b23e9529017d917cd9edfa81341c37ba3c55d5eb9e6730c8910a","observation_id":"9589b743-36e7-44d0-af0b-07f58eda7583","resolution":{"observed_at":"2026-08-08T11:52:01.936759Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1002/adfm.201906984","metadata_source":"openalex","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-10T00:03:40.895421Z","title":null,"venue":"Advanced Functional Materials","work_id":"6680c2fb-3351-4935-bf41-3e87bd60b9ec","year":null},"citing_paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface","version":1},"reference_index":29,"source":"pdf_text","source_observed_at":"2026-08-08T11:52:01.800595Z"},"links":{"citing_paper":"/paper/2502.07723"},"observation_digest":"sha256:1f6e1ec5be49ff163bfa0438f705dc89aaac4f1ed42f97bb883c0da82622a6aa","observation_id":"b4bdd40f-4bd5-4bc7-98d8-55775c5d6520","resolution":{"observed_at":"2026-08-08T11:52:02.097808Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}}],"paper":{"arxiv_id":"2502.07723","last_updated":"2025-02-11T17:37:13Z","latest_version":1,"primary_category":"physics.app-ph","snapshot_observed_at":"2026-08-09T16:50:43.437671Z","submitted_at":"2025-02-11T17:37:13Z","title":"Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface"},"reference_resolution":{"displayed":27,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":1,"verified_exact":17,"verified_fuzzy":9},"total_outbound_references":27},"refusal":"A citation records a reference. It does not transfer a finding from one paper to another.","schema":"pith.paper-citation-record.v1","standing_sources":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"thesis":"As of 12 August 2026, this Paper Citation Record lists 27 of 27 outbound references and 0 inbound Pith citation observations for arXiv:2502.07723."}