{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:NYRSFLISPVZALXNXJYHTCEE3PP","short_pith_number":"pith:NYRSFLIS","canonical_record":{"source":{"id":"2307.01775","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2023-07-04T15:27:43Z","cross_cats_sorted":[],"title_canon_sha256":"86dbc4afcade40998a7343cdeb266f3c4e6e7bb044524c209dec3b5d19623430","abstract_canon_sha256":"7c5049b3a74b78e6ceded1bc18e669d0b2b5e1b5f4cd54d4d43df663a091b2fb"},"schema_version":"1.0"},"canonical_sha256":"6e2322ad127d7205ddb74e0f31109b7bc6c54dd5bfbe22ab588f1ab75c9cd023","source":{"kind":"arxiv","id":"2307.01775","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.01775","created_at":"2026-07-05T06:28:00Z"},{"alias_kind":"arxiv_version","alias_value":"2307.01775v1","created_at":"2026-07-05T06:28:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.01775","created_at":"2026-07-05T06:28:00Z"},{"alias_kind":"pith_short_12","alias_value":"NYRSFLISPVZA","created_at":"2026-07-05T06:28:00Z"},{"alias_kind":"pith_short_16","alias_value":"NYRSFLISPVZALXNX","created_at":"2026-07-05T06:28:00Z"},{"alias_kind":"pith_short_8","alias_value":"NYRSFLIS","created_at":"2026-07-05T06:28:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:NYRSFLISPVZALXNXJYHTCEE3PP","target":"record","payload":{"canonical_record":{"source":{"id":"2307.01775","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2023-07-04T15:27:43Z","cross_cats_sorted":[],"title_canon_sha256":"86dbc4afcade40998a7343cdeb266f3c4e6e7bb044524c209dec3b5d19623430","abstract_canon_sha256":"7c5049b3a74b78e6ceded1bc18e669d0b2b5e1b5f4cd54d4d43df663a091b2fb"},"schema_version":"1.0"},"canonical_sha256":"6e2322ad127d7205ddb74e0f31109b7bc6c54dd5bfbe22ab588f1ab75c9cd023","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:28:00.890127Z","signature_b64":"QQNJDW5d76vIcFJahxhedhSOtTy/B7U7nTyktOVa+4NzSv4yWAkqV1vO9Rf4IGCKIgQdy09j+fp5+Awu0a4CCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6e2322ad127d7205ddb74e0f31109b7bc6c54dd5bfbe22ab588f1ab75c9cd023","last_reissued_at":"2026-07-05T06:28:00.889640Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:28:00.889640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.01775","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:28:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WNSD8wYmeAq2zaPBnr5lHsP+4fNcobNe5eU0KbjRwDUdLl7/cg2EpcZNDXQHUn71janxmpuewyPhbxlTwfUTAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T20:49:41.643709Z"},"content_sha256":"1c83571c1e70ff76575a272a2e0e80bc27cbd3a09261e17b2ad62f52d6326377","schema_version":"1.0","event_id":"sha256:1c83571c1e70ff76575a272a2e0e80bc27cbd3a09261e17b2ad62f52d6326377"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:NYRSFLISPVZALXNXJYHTCEE3PP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Equation for Aeroacoustics in a Quiescent Environment","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Aditi Sengupta, Bhavna Joshi, Tapan K. Sengupta","submitted_at":"2023-07-04T15:27:43Z","abstract_excerpt":"The perturbation equation for aeroacoustics has been derived in a dissipative medium from the linearized compressible Navier-Stokes equation without any assumption, by expressing the same in spectral plane as in Continuum perturbation field in quiescent ambience: Common foundation of flows and acoustics Sengupta et al., Phys. Fluids,35, 056111 (2023). The governing partial differential equation (PDE) for the free-field propagation of the disturbances in the spectral plane provides the dispersion relation between wavenumber and circular frequency in the dissipative medium, as characterized by a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.01775","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2307.01775/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:28:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"189xjdCTTSCf7eMFUtjS3tBmlNUa9FBIw3vwNPppIofETtJZOgqUpMohXPG9f0TiDa7z7iPM+pafzxDER9zsBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T20:49:41.644266Z"},"content_sha256":"c1731a456ef6ad0f5c0ea187f3b1bd826df199322d06f17ac912480d51e28e1f","schema_version":"1.0","event_id":"sha256:c1731a456ef6ad0f5c0ea187f3b1bd826df199322d06f17ac912480d51e28e1f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NYRSFLISPVZALXNXJYHTCEE3PP/bundle.json","state_url":"https://pith.science/pith/NYRSFLISPVZALXNXJYHTCEE3PP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NYRSFLISPVZALXNXJYHTCEE3PP/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-06T20:49:41Z","links":{"resolver":"https://pith.science/pith/NYRSFLISPVZALXNXJYHTCEE3PP","bundle":"https://pith.science/pith/NYRSFLISPVZALXNXJYHTCEE3PP/bundle.json","state":"https://pith.science/pith/NYRSFLISPVZALXNXJYHTCEE3PP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NYRSFLISPVZALXNXJYHTCEE3PP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:NYRSFLISPVZALXNXJYHTCEE3PP","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"7c5049b3a74b78e6ceded1bc18e669d0b2b5e1b5f4cd54d4d43df663a091b2fb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2023-07-04T15:27:43Z","title_canon_sha256":"86dbc4afcade40998a7343cdeb266f3c4e6e7bb044524c209dec3b5d19623430"},"schema_version":"1.0","source":{"id":"2307.01775","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.01775","created_at":"2026-07-05T06:28:00Z"},{"alias_kind":"arxiv_version","alias_value":"2307.01775v1","created_at":"2026-07-05T06:28:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.01775","created_at":"2026-07-05T06:28:00Z"},{"alias_kind":"pith_short_12","alias_value":"NYRSFLISPVZA","created_at":"2026-07-05T06:28:00Z"},{"alias_kind":"pith_short_16","alias_value":"NYRSFLISPVZALXNX","created_at":"2026-07-05T06:28:00Z"},{"alias_kind":"pith_short_8","alias_value":"NYRSFLIS","created_at":"2026-07-05T06:28:00Z"}],"graph_snapshots":[{"event_id":"sha256:c1731a456ef6ad0f5c0ea187f3b1bd826df199322d06f17ac912480d51e28e1f","target":"graph","created_at":"2026-07-05T06:28:00Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2307.01775/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The perturbation equation for aeroacoustics has been derived in a dissipative medium from the linearized compressible Navier-Stokes equation without any assumption, by expressing the same in spectral plane as in Continuum perturbation field in quiescent ambience: Common foundation of flows and acoustics Sengupta et al., Phys. Fluids,35, 056111 (2023). The governing partial differential equation (PDE) for the free-field propagation of the disturbances in the spectral plane provides the dispersion relation between wavenumber and circular frequency in the dissipative medium, as characterized by a","authors_text":"Aditi Sengupta, Bhavna Joshi, Tapan K. Sengupta","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2023-07-04T15:27:43Z","title":"Equation for Aeroacoustics in a Quiescent Environment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.01775","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:1c83571c1e70ff76575a272a2e0e80bc27cbd3a09261e17b2ad62f52d6326377","target":"record","created_at":"2026-07-05T06:28:00Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"7c5049b3a74b78e6ceded1bc18e669d0b2b5e1b5f4cd54d4d43df663a091b2fb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2023-07-04T15:27:43Z","title_canon_sha256":"86dbc4afcade40998a7343cdeb266f3c4e6e7bb044524c209dec3b5d19623430"},"schema_version":"1.0","source":{"id":"2307.01775","kind":"arxiv","version":1}},"canonical_sha256":"6e2322ad127d7205ddb74e0f31109b7bc6c54dd5bfbe22ab588f1ab75c9cd023","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6e2322ad127d7205ddb74e0f31109b7bc6c54dd5bfbe22ab588f1ab75c9cd023","first_computed_at":"2026-07-05T06:28:00.889640Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:28:00.889640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QQNJDW5d76vIcFJahxhedhSOtTy/B7U7nTyktOVa+4NzSv4yWAkqV1vO9Rf4IGCKIgQdy09j+fp5+Awu0a4CCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:28:00.890127Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.01775","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1c83571c1e70ff76575a272a2e0e80bc27cbd3a09261e17b2ad62f52d6326377","sha256:c1731a456ef6ad0f5c0ea187f3b1bd826df199322d06f17ac912480d51e28e1f"],"state_sha256":"d2c6c3ce305b23b267fb9828cd2dcff417b895b9daff89bd9bf77c490b2c0855"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+EcMUug3S2/YFKv6anbDVHtxzCWSK3b8/O/XemKO/78yfuTuGlVqLLiEgDKdU6K6Cg8/6Md5Zfy5hwg/gHZ4CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T20:49:41.650132Z","bundle_sha256":"378927268491d8b449318e15c1d459cf3c0d9b964d249d05abd4ed27a3cdf9ac"}}