{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:55FAVQVGKIAZ3ZNFDCV2KAQ5XT","short_pith_number":"pith:55FAVQVG","schema_version":"1.0","canonical_sha256":"ef4a0ac2a652019de5a518aba5021dbcf2634346ce6d544adeda43ac46e70f50","source":{"kind":"arxiv","id":"1109.2710","version":3},"attestation_state":"computed","paper":{"title":"Entropy bounds in terms of the w parameter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Carlos Barcelo (Instituto de Astrofisica de Andalucia, Gabriel Abreu (Victoria University of Wellington), IAA-CSIC), Matt Visser (Victoria University of Wellington)","submitted_at":"2011-09-13T09:12:06Z","abstract_excerpt":"In a pair of recent articles [PRL 105 (2010) 041302 - arXiv:1005.1132; JHEP 1103 (2011) 056 - arXiv:1012.2867] two of the current authors have developed an entropy bound for equilibrium uncollapsed matter using only classical general relativity, basic thermodynamics, and the Unruh effect. An odd feature of that bound, S <= A/2, was that the proportionality constant, 1/2, was weaker than that expected from black hole thermodynamics, 1/4. In the current article we strengthen the previous results by obtaining a bound involving the (suitably averaged) w parameter. Simple causality arguments restri"},"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":"1109.2710","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-09-13T09:12:06Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"6f9fe258f9d3a205fe6092dff02833d58620d73833780b35144a92753acf33d1","abstract_canon_sha256":"418338d67258dd4d326016f2853c3a76a451fff50ac54e4d6079a6a7bed45bf0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:34.102443Z","signature_b64":"JBLs7BfaQz1oP/IISmq77lvdKa1wfo8Nb+q7k5O+DyeYmn1TQaeTDOZaTcsdKdD3xYHIcO72J4usAIe9gDPmDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef4a0ac2a652019de5a518aba5021dbcf2634346ce6d544adeda43ac46e70f50","last_reissued_at":"2026-05-18T00:29:34.101723Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:34.101723Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Entropy bounds in terms of the w parameter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Carlos Barcelo (Instituto de Astrofisica de Andalucia, Gabriel Abreu (Victoria University of Wellington), IAA-CSIC), Matt Visser (Victoria University of Wellington)","submitted_at":"2011-09-13T09:12:06Z","abstract_excerpt":"In a pair of recent articles [PRL 105 (2010) 041302 - arXiv:1005.1132; JHEP 1103 (2011) 056 - arXiv:1012.2867] two of the current authors have developed an entropy bound for equilibrium uncollapsed matter using only classical general relativity, basic thermodynamics, and the Unruh effect. An odd feature of that bound, S <= A/2, was that the proportionality constant, 1/2, was weaker than that expected from black hole thermodynamics, 1/4. In the current article we strengthen the previous results by obtaining a bound involving the (suitably averaged) w parameter. Simple causality arguments restri"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.2710","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":"1109.2710","created_at":"2026-05-18T00:29:34.101842+00:00"},{"alias_kind":"arxiv_version","alias_value":"1109.2710v3","created_at":"2026-05-18T00:29:34.101842+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.2710","created_at":"2026-05-18T00:29:34.101842+00:00"},{"alias_kind":"pith_short_12","alias_value":"55FAVQVGKIAZ","created_at":"2026-05-18T12:26:20.644004+00:00"},{"alias_kind":"pith_short_16","alias_value":"55FAVQVGKIAZ3ZNF","created_at":"2026-05-18T12:26:20.644004+00:00"},{"alias_kind":"pith_short_8","alias_value":"55FAVQVG","created_at":"2026-05-18T12:26:20.644004+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/55FAVQVGKIAZ3ZNFDCV2KAQ5XT","json":"https://pith.science/pith/55FAVQVGKIAZ3ZNFDCV2KAQ5XT.json","graph_json":"https://pith.science/api/pith-number/55FAVQVGKIAZ3ZNFDCV2KAQ5XT/graph.json","events_json":"https://pith.science/api/pith-number/55FAVQVGKIAZ3ZNFDCV2KAQ5XT/events.json","paper":"https://pith.science/paper/55FAVQVG"},"agent_actions":{"view_html":"https://pith.science/pith/55FAVQVGKIAZ3ZNFDCV2KAQ5XT","download_json":"https://pith.science/pith/55FAVQVGKIAZ3ZNFDCV2KAQ5XT.json","view_paper":"https://pith.science/paper/55FAVQVG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1109.2710&json=true","fetch_graph":"https://pith.science/api/pith-number/55FAVQVGKIAZ3ZNFDCV2KAQ5XT/graph.json","fetch_events":"https://pith.science/api/pith-number/55FAVQVGKIAZ3ZNFDCV2KAQ5XT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/55FAVQVGKIAZ3ZNFDCV2KAQ5XT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/55FAVQVGKIAZ3ZNFDCV2KAQ5XT/action/storage_attestation","attest_author":"https://pith.science/pith/55FAVQVGKIAZ3ZNFDCV2KAQ5XT/action/author_attestation","sign_citation":"https://pith.science/pith/55FAVQVGKIAZ3ZNFDCV2KAQ5XT/action/citation_signature","submit_replication":"https://pith.science/pith/55FAVQVGKIAZ3ZNFDCV2KAQ5XT/action/replication_record"}},"created_at":"2026-05-18T00:29:34.101842+00:00","updated_at":"2026-05-18T00:29:34.101842+00:00"}