{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:SYKLN447WWPCVFD6VI7Y5OBIYR","short_pith_number":"pith:SYKLN447","schema_version":"1.0","canonical_sha256":"9614b6f39fb59e2a947eaa3f8eb828c47842e852217dde86de355dd6b44f9743","source":{"kind":"arxiv","id":"1612.06009","version":3},"attestation_state":"computed","paper":{"title":"Source with Nonzero Radial Pressure for the Vaidya Metric","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Hristu Culetu","submitted_at":"2016-12-18T23:03:49Z","abstract_excerpt":"A null fluid with radial pressure is proposed as the source generating Vaidya spacetime. The fluid is anisotropic with no transversal pressures and $p = \\rho/3$ as its equation of state, where $p$ is the isotropic pressure and $\\rho$ is the energy density. The radial energy flux is inward directed when $\\dot{m} > 0$ and the total energy flow crossing a surface of constant $r$ resembles the Brown-York quasilocal energy. A modified Vaidya metric removes the singularity at the origin and the corresponding QLE is investigated in terms of both $r$ and the mass $m(v)$ of the object."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1612.06009","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-12-18T23:03:49Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"97b249fc6b6c53a983d917c219475b2a7f846236d4ececf115fe4a2ab1f032f8","abstract_canon_sha256":"ed04731586e79716efc37b700c4e94f5e173f386b6aa2ecbf35a445997fead4d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:02.552993Z","signature_b64":"3RqjIOYf6TXE1GFOK6J83Va/S5SidIo+C7enFYboFJktl1RG+C22wzaa4A6vpKBKvCaYbg/rLqOFwIAeYGXGCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9614b6f39fb59e2a947eaa3f8eb828c47842e852217dde86de355dd6b44f9743","last_reissued_at":"2026-05-18T00:28:02.552177Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:02.552177Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Source with Nonzero Radial Pressure for the Vaidya Metric","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Hristu Culetu","submitted_at":"2016-12-18T23:03:49Z","abstract_excerpt":"A null fluid with radial pressure is proposed as the source generating Vaidya spacetime. The fluid is anisotropic with no transversal pressures and $p = \\rho/3$ as its equation of state, where $p$ is the isotropic pressure and $\\rho$ is the energy density. The radial energy flux is inward directed when $\\dot{m} > 0$ and the total energy flow crossing a surface of constant $r$ resembles the Brown-York quasilocal energy. A modified Vaidya metric removes the singularity at the origin and the corresponding QLE is investigated in terms of both $r$ and the mass $m(v)$ of the object."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.06009","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1612.06009","created_at":"2026-05-18T00:28:02.552298+00:00"},{"alias_kind":"arxiv_version","alias_value":"1612.06009v3","created_at":"2026-05-18T00:28:02.552298+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.06009","created_at":"2026-05-18T00:28:02.552298+00:00"},{"alias_kind":"pith_short_12","alias_value":"SYKLN447WWPC","created_at":"2026-05-18T12:30:44.179134+00:00"},{"alias_kind":"pith_short_16","alias_value":"SYKLN447WWPCVFD6","created_at":"2026-05-18T12:30:44.179134+00:00"},{"alias_kind":"pith_short_8","alias_value":"SYKLN447","created_at":"2026-05-18T12:30:44.179134+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/SYKLN447WWPCVFD6VI7Y5OBIYR","json":"https://pith.science/pith/SYKLN447WWPCVFD6VI7Y5OBIYR.json","graph_json":"https://pith.science/api/pith-number/SYKLN447WWPCVFD6VI7Y5OBIYR/graph.json","events_json":"https://pith.science/api/pith-number/SYKLN447WWPCVFD6VI7Y5OBIYR/events.json","paper":"https://pith.science/paper/SYKLN447"},"agent_actions":{"view_html":"https://pith.science/pith/SYKLN447WWPCVFD6VI7Y5OBIYR","download_json":"https://pith.science/pith/SYKLN447WWPCVFD6VI7Y5OBIYR.json","view_paper":"https://pith.science/paper/SYKLN447","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1612.06009&json=true","fetch_graph":"https://pith.science/api/pith-number/SYKLN447WWPCVFD6VI7Y5OBIYR/graph.json","fetch_events":"https://pith.science/api/pith-number/SYKLN447WWPCVFD6VI7Y5OBIYR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SYKLN447WWPCVFD6VI7Y5OBIYR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SYKLN447WWPCVFD6VI7Y5OBIYR/action/storage_attestation","attest_author":"https://pith.science/pith/SYKLN447WWPCVFD6VI7Y5OBIYR/action/author_attestation","sign_citation":"https://pith.science/pith/SYKLN447WWPCVFD6VI7Y5OBIYR/action/citation_signature","submit_replication":"https://pith.science/pith/SYKLN447WWPCVFD6VI7Y5OBIYR/action/replication_record"}},"created_at":"2026-05-18T00:28:02.552298+00:00","updated_at":"2026-05-18T00:28:02.552298+00:00"}