{"as_of":"2026-08-08T22:42:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:2330eb92c23cab7fde159497e705bac1a3a7877890656d9a8ab4e67050b5f469","coverage":[{"denominator":17,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":17,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-07T11:01:15.218928Z","state":"measured"},{"denominator":17,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":17,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-08T06:32:00.761636+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/2506.03687/citation-record","integrity":"/paper/2506.03687/integrity","json":"/paper/2506.03687/citation-record.json","paper":"/paper/2506.03687"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-07T11:01:15.385081Z","title":null,"venue":null,"work_id":"6f1ad89a-2570-43ef-8cf4-58a5a505eedf","year":1992},"citing_paper":{"arxiv_id":"2506.03687","last_updated":"2025-06-04T08:18:30Z","snapshot_observed_at":"2026-08-08T06:48:24.332551Z","submitted_at":"2025-06-04T08:18:30Z","title":"Understanding Visually Impaired Tramway Passengers Interaction with Public Transport Systems","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-07T11:01:14.135293Z"},"links":{"citing_paper":"/paper/2506.03687"},"observation_digest":"sha256:aa48d64fc3890c806f023eeb659438eb8a42c85633fe1a89448c85f1e6d76043","observation_id":"09ad366d-b0d9-42b1-bd4e-f8cca4050c2d","resolution":{"observed_at":"2026-08-07T11:01:15.388128Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:01:15.376377Z","title":"L., Sabella, S","venue":null,"work_id":"b5f98f92-b0c1-4d09-ad3d-64bf1596a80e","year":2017},"citing_paper":{"arxiv_id":"2506.03687","last_updated":"2025-06-04T08:18:30Z","snapshot_observed_at":"2026-08-08T06:48:24.332551Z","submitted_at":"2025-06-04T08:18:30Z","title":"Understanding Visually Impaired Tramway Passengers Interaction with Public Transport Systems","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-07T11:01:14.208518Z"},"links":{"citing_paper":"/paper/2506.03687"},"observation_digest":"sha256:6ebd83b5e392dfc7f359168698957cf699f38d40c7a2eaf973bd0b8dc9f8e4d4","observation_id":"2a9fa0ae-0197-412c-b718-df0de9d85b03","resolution":{"observed_at":"2026-08-07T11:01:15.379428Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:01:15.367011Z","title":"L., Sabella, S., Hammel, J., McDonald, K., Jones, R","venue":null,"work_id":"1ce4a84e-a901-484f-81dc-3b66c80c714c","year":2020},"citing_paper":{"arxiv_id":"2506.03687","last_updated":"2025-06-04T08:18:30Z","snapshot_observed_at":"2026-08-08T06:48:24.332551Z","submitted_at":"2025-06-04T08:18:30Z","title":"Understanding Visually Impaired Tramway Passengers Interaction with Public Transport Systems","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-07T11:01:14.337460Z"},"links":{"citing_paper":"/paper/2506.03687"},"observation_digest":"sha256:41b2f6573d4e634562052654c97245e2943077047f0e90455ba0a1cb3b008e39","observation_id":"24ef53a3-dfd1-419f-8ef7-0754a85e4c74","resolution":{"observed_at":"2026-08-07T11:01:15.369940Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:01:15.357067Z","title":null,"venue":null,"work_id":"0dbbd73c-8c78-42f9-9ba5-fde72e00b01d","year":2024},"citing_paper":{"arxiv_id":"2506.03687","last_updated":"2025-06-04T08:18:30Z","snapshot_observed_at":"2026-08-08T06:48:24.332551Z","submitted_at":"2025-06-04T08:18:30Z","title":"Understanding Visually Impaired Tramway Passengers Interaction with Public Transport Systems","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-07T11:01:14.422012Z"},"links":{"citing_paper":"/paper/2506.03687"},"observation_digest":"sha256:bde9bf8e39f94a8acb7f83e7d0ef14a74ba6094c5fee54d090fa43dba2b2292a","observation_id":"efeff6e0-6b7d-4fc5-879e-c3aa12648263","resolution":{"observed_at":"2026-08-07T11:01:15.360478Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:01:15.348029Z","title":null,"venue":null,"work_id":"09ba9673-c104-4be3-a19e-5634fb9f4e35","year":1984},"citing_paper":{"arxiv_id":"2506.03687","last_updated":"2025-06-04T08:18:30Z","snapshot_observed_at":"2026-08-08T06:48:24.332551Z","submitted_at":"2025-06-04T08:18:30Z","title":"Understanding Visually Impaired Tramway Passengers Interaction with Public Transport Systems","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-07T11:01:14.546365Z"},"links":{"citing_paper":"/paper/2506.03687"},"observation_digest":"sha256:7b411aa0dc456837851259bf82927ab1026d502d0b777e0b330c28565c09caec","observation_id":"66ca3095-f25c-4d12-bacd-6ee718d342f3","resolution":{"observed_at":"2026-08-07T11:01:15.350858Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:01:15.338770Z","title":null,"venue":null,"work_id":"1ce377eb-cc45-4bc4-8a9b-65a35c43def2","year":2004},"citing_paper":{"arxiv_id":"2506.03687","last_updated":"2025-06-04T08:18:30Z","snapshot_observed_at":"2026-08-08T06:48:24.332551Z","submitted_at":"2025-06-04T08:18:30Z","title":"Understanding Visually Impaired Tramway Passengers Interaction with Public Transport Systems","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-07T11:01:14.754418Z"},"links":{"citing_paper":"/paper/2506.03687"},"observation_digest":"sha256:921b94217023607f7802199f009eea94a048aba44e673a6298805de32de9dba0","observation_id":"1f0d5f18-96bd-4885-9a5e-3cb0f93d662e","resolution":{"observed_at":"2026-08-07T11:01:15.341848Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:01:15.329344Z","title":null,"venue":null,"work_id":"3cfab059-1419-447e-ac0f-9dbcfaba9926","year":2014},"citing_paper":{"arxiv_id":"2506.03687","last_updated":"2025-06-04T08:18:30Z","snapshot_observed_at":"2026-08-08T06:48:24.332551Z","submitted_at":"2025-06-04T08:18:30Z","title":"Understanding Visually Impaired Tramway Passengers Interaction with Public Transport Systems","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-07T11:01:14.804690Z"},"links":{"citing_paper":"/paper/2506.03687"},"observation_digest":"sha256:e632b2b1364b4854223a6bb093668521dc703dc33f46cb1f5407c29acf7f461f","observation_id":"51a6deff-eee5-4019-b4ad-f8fdf4d82bce","resolution":{"observed_at":"2026-08-07T11:01:15.332258Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:01:15.321306Z","title":null,"venue":null,"work_id":"70056db0-23a9-416a-9dff-4c66361bb225","year":2014},"citing_paper":{"arxiv_id":"2506.03687","last_updated":"2025-06-04T08:18:30Z","snapshot_observed_at":"2026-08-08T06:48:24.332551Z","submitted_at":"2025-06-04T08:18:30Z","title":"Understanding Visually Impaired Tramway Passengers Interaction with Public Transport Systems","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-07T11:01:14.923337Z"},"links":{"citing_paper":"/paper/2506.03687"},"observation_digest":"sha256:a19fe7ac73e919a0dac79a66c2d5ff21c286a1e38a99c3655913181f6c5740e8","observation_id":"b6c48267-a2ca-410c-a4f5-0756299c5a0b","resolution":{"observed_at":"2026-08-07T11:01:15.323949Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:01:15.313053Z","title":"Ethically Important Moments","venue":null,"work_id":"8bd4622c-2892-494b-a7d8-c6ce58a57bf9","year":2004},"citing_paper":{"arxiv_id":"2506.03687","last_updated":"2025-06-04T08:18:30Z","snapshot_observed_at":"2026-08-08T06:48:24.332551Z","submitted_at":"2025-06-04T08:18:30Z","title":"Understanding Visually Impaired Tramway Passengers Interaction with Public Transport Systems","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-07T11:01:15.033646Z"},"links":{"citing_paper":"/paper/2506.03687"},"observation_digest":"sha256:0f3db1e91fed8eacbac906cac0cb4be720eeca1aeeaf84e44b6ed814c89a4cc6","observation_id":"36036381-0467-4777-ad40-39dc7fa99853","resolution":{"observed_at":"2026-08-07T11:01:15.315915Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:01:15.304536Z","title":"A., & Casey, M","venue":null,"work_id":"d5bd0b54-b5bc-4720-99ab-f14beefcef62","year":2015},"citing_paper":{"arxiv_id":"2506.03687","last_updated":"2025-06-04T08:18:30Z","snapshot_observed_at":"2026-08-08T06:48:24.332551Z","submitted_at":"2025-06-04T08:18:30Z","title":"Understanding Visually Impaired Tramway Passengers Interaction with Public Transport Systems","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-07T11:01:15.162290Z"},"links":{"citing_paper":"/paper/2506.03687"},"observation_digest":"sha256:6ffe8dcc80f74678b459083d8d50ecf5dee580e3279e29c075decc23bae5133d","observation_id":"83344b2d-960a-492f-b5a4-389a6b8e52ed","resolution":{"observed_at":"2026-08-07T11:01:15.307473Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:01:15.295687Z","title":null,"venue":null,"work_id":"96ecb79e-e391-4fa8-82f1-bdcedf60da61","year":2005},"citing_paper":{"arxiv_id":"2506.03687","last_updated":"2025-06-04T08:18:30Z","snapshot_observed_at":"2026-08-08T06:48:24.332551Z","submitted_at":"2025-06-04T08:18:30Z","title":"Understanding Visually Impaired Tramway Passengers Interaction with Public Transport Systems","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-07T11:01:15.202459Z"},"links":{"citing_paper":"/paper/2506.03687"},"observation_digest":"sha256:d03ab9eb6e3416b9530c8d44861b2711d1f45959dc12ecb01f4c4e8ac729fc81","observation_id":"23ad085e-12c7-432c-81b5-6d4892682c37","resolution":{"observed_at":"2026-08-07T11:01:15.298686Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:01:15.286417Z","title":null,"venue":null,"work_id":"148b92ef-38ee-4a4a-a4a8-5c2ab370f9c3","year":2019},"citing_paper":{"arxiv_id":"2506.03687","last_updated":"2025-06-04T08:18:30Z","snapshot_observed_at":"2026-08-08T06:48:24.332551Z","submitted_at":"2025-06-04T08:18:30Z","title":"Understanding Visually Impaired Tramway Passengers Interaction with Public Transport Systems","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-07T11:01:15.205137Z"},"links":{"citing_paper":"/paper/2506.03687"},"observation_digest":"sha256:e2f3dc24c84924e4b12e934eea75f09f4ed244738d3868afb36c588c9d2b4b55","observation_id":"5daf80b5-e625-4ec3-8913-6d080777b17c","resolution":{"observed_at":"2026-08-07T11:01:15.289548Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:01:15.277534Z","title":"B., Huberman, A","venue":null,"work_id":"c5d70bde-eb86-4e60-9633-56a03b57a511","year":2014},"citing_paper":{"arxiv_id":"2506.03687","last_updated":"2025-06-04T08:18:30Z","snapshot_observed_at":"2026-08-08T06:48:24.332551Z","submitted_at":"2025-06-04T08:18:30Z","title":"Understanding Visually Impaired Tramway Passengers Interaction with Public Transport Systems","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-07T11:01:15.208090Z"},"links":{"citing_paper":"/paper/2506.03687"},"observation_digest":"sha256:6941049d6bb0fea90ab692381bf9c4aaf752ede56ae9fb436e2ac41e8b7c8e1f","observation_id":"877e9860-ab15-49cb-bfe2-b17e9d34bb97","resolution":{"observed_at":"2026-08-07T11:01:15.280225Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:01:15.268987Z","title":null,"venue":null,"work_id":"6a5c84cb-b765-44d8-8a64-57607d53fe29","year":2006},"citing_paper":{"arxiv_id":"2506.03687","last_updated":"2025-06-04T08:18:30Z","snapshot_observed_at":"2026-08-08T06:48:24.332551Z","submitted_at":"2025-06-04T08:18:30Z","title":"Understanding Visually Impaired Tramway Passengers Interaction with Public Transport Systems","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-07T11:01:15.210747Z"},"links":{"citing_paper":"/paper/2506.03687"},"observation_digest":"sha256:b2b3e17d5d0166782703a28845447fac91a6e3397bb7688c0d347c863e4a6228","observation_id":"c5bf8f5b-d9ca-4d33-9746-b0714f274e2e","resolution":{"observed_at":"2026-08-07T11:01:15.271530Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:01:15.260451Z","title":null,"venue":null,"work_id":"3a17a909-bff8-4b5f-b152-97d61936d7a4","year":1988},"citing_paper":{"arxiv_id":"2506.03687","last_updated":"2025-06-04T08:18:30Z","snapshot_observed_at":"2026-08-08T06:48:24.332551Z","submitted_at":"2025-06-04T08:18:30Z","title":"Understanding Visually Impaired Tramway Passengers Interaction with Public Transport Systems","version":1},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-07T11:01:15.213202Z"},"links":{"citing_paper":"/paper/2506.03687"},"observation_digest":"sha256:cbd166a2ecf55d607af27e688d5d86da68aed477161091f8c581d680602801fb","observation_id":"db57cdf1-d486-40af-9027-371acfe51da7","resolution":{"observed_at":"2026-08-07T11:01:15.263150Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:01:15.251930Z","title":null,"venue":null,"work_id":"ca39d116-8bf1-4c36-a4b5-123fdec4362c","year":2008},"citing_paper":{"arxiv_id":"2506.03687","last_updated":"2025-06-04T08:18:30Z","snapshot_observed_at":"2026-08-08T06:48:24.332551Z","submitted_at":"2025-06-04T08:18:30Z","title":"Understanding Visually Impaired Tramway Passengers Interaction with Public Transport Systems","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-07T11:01:15.215918Z"},"links":{"citing_paper":"/paper/2506.03687"},"observation_digest":"sha256:7e851ff7a233cc14062ce6fae4fe25f3454d08388d1c1017da22022753b69d2f","observation_id":"b0175ef7-f19e-4e81-85e9-112058eb4aef","resolution":{"observed_at":"2026-08-07T11:01:15.254842Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+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":"2026-08-07T11:01:15.240917Z","title":"They’re changing the network just by being there","venue":null,"work_id":"0e33ee8e-579e-4023-944c-e8cd0ec63ccb","year":2021},"citing_paper":{"arxiv_id":"2506.03687","last_updated":"2025-06-04T08:18:30Z","snapshot_observed_at":"2026-08-08T06:48:24.332551Z","submitted_at":"2025-06-04T08:18:30Z","title":"Understanding Visually Impaired Tramway Passengers Interaction with Public Transport Systems","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-07T11:01:15.218928Z"},"links":{"citing_paper":"/paper/2506.03687"},"observation_digest":"sha256:94d610221812e5817ffce120554366f58e167301f9bacd27c1a0a547843141d6","observation_id":"fff91c28-3340-42ca-b9f4-068da0f5f87f","resolution":{"observed_at":"2026-08-07T11:01:15.245698Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+00:00","source":"retraction_watch"}],"state":"measured"}}],"paper":{"arxiv_id":"2506.03687","last_updated":"2025-06-04T08:18:30Z","latest_version":1,"primary_category":"cs.HC","snapshot_observed_at":"2026-08-08T06:48:24.332551Z","submitted_at":"2025-06-04T08:18:30Z","title":"Understanding Visually Impaired Tramway Passengers Interaction with Public Transport Systems"},"reference_resolution":{"displayed":17,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":11,"verified_exact":0,"verified_fuzzy":6},"total_outbound_references":17},"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":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+00:00","source":"retraction_watch"}],"thesis":"As of 8 August 2026, this Paper Citation Record lists 17 of 17 outbound references and 0 inbound Pith citation observations for arXiv:2506.03687."}