{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1999:4V3OSCW7SCLSP6CAJ7IUVTZR25","short_pith_number":"pith:4V3OSCW7","schema_version":"1.0","canonical_sha256":"e576e90adf909727f8404fd14acf31d75bf503f3f1ab148ec33e2f4611f5b1f8","source":{"kind":"arxiv","id":"gr-qc/9903067","version":1},"attestation_state":"computed","paper":{"title":"Bounds on 2m/R for static spherical objects","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Jemal Guven, Niall O' Murchadha","submitted_at":"1999-03-17T20:39:17Z","abstract_excerpt":"It is well known that a spherically symmetric constant density static star, modeled as a perfect fluid, possesses a bound on its mass m by its radial size R given by 2m/R \\le 8/9 and that this bound continues to hold when the energy density decreases monotonically. The existence of such a bound is intriguing because it occurs well before the appearance of an apparent horizon at m = R/2. However, the assumptions made are extremely restrictive. They do not hold in a humble soap bubble and they certainly do not approximate any known topologically stable field configuration. We show that the 8/9 b"},"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":"gr-qc/9903067","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1999-03-17T20:39:17Z","cross_cats_sorted":[],"title_canon_sha256":"e7120bdda667410da2912f0b141bfedcda9f74560ce5eb81841f9db533f5db7c","abstract_canon_sha256":"59e58198c12de929d3d94c4f8a40c0a4e0659f21f50d99a0fbd7c81eb5261e24"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:13:50.146035Z","signature_b64":"J+U/p51HiKaPeN3unatR6tvhpol+ol1JSxtU6WFJM0KzLw8U72KNQKjpGNnL4Dme7zVErG7HK0sM0iQ2DWRMDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e576e90adf909727f8404fd14acf31d75bf503f3f1ab148ec33e2f4611f5b1f8","last_reissued_at":"2026-07-04T16:13:50.145635Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:13:50.145635Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Bounds on 2m/R for static spherical objects","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Jemal Guven, Niall O' Murchadha","submitted_at":"1999-03-17T20:39:17Z","abstract_excerpt":"It is well known that a spherically symmetric constant density static star, modeled as a perfect fluid, possesses a bound on its mass m by its radial size R given by 2m/R \\le 8/9 and that this bound continues to hold when the energy density decreases monotonically. The existence of such a bound is intriguing because it occurs well before the appearance of an apparent horizon at m = R/2. However, the assumptions made are extremely restrictive. They do not hold in a humble soap bubble and they certainly do not approximate any known topologically stable field configuration. We show that the 8/9 b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9903067","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/gr-qc/9903067/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9903067","created_at":"2026-07-04T16:13:50.145689+00:00"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9903067v1","created_at":"2026-07-04T16:13:50.145689+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9903067","created_at":"2026-07-04T16:13:50.145689+00:00"},{"alias_kind":"pith_short_12","alias_value":"4V3OSCW7SCLS","created_at":"2026-07-04T16:13:50.145689+00:00"},{"alias_kind":"pith_short_16","alias_value":"4V3OSCW7SCLSP6CA","created_at":"2026-07-04T16:13:50.145689+00:00"},{"alias_kind":"pith_short_8","alias_value":"4V3OSCW7","created_at":"2026-07-04T16:13:50.145689+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1904.05363","citing_title":"Testing the nature of dark compact objects: a status report","ref_index":214,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4V3OSCW7SCLSP6CAJ7IUVTZR25","json":"https://pith.science/pith/4V3OSCW7SCLSP6CAJ7IUVTZR25.json","graph_json":"https://pith.science/api/pith-number/4V3OSCW7SCLSP6CAJ7IUVTZR25/graph.json","events_json":"https://pith.science/api/pith-number/4V3OSCW7SCLSP6CAJ7IUVTZR25/events.json","paper":"https://pith.science/paper/4V3OSCW7"},"agent_actions":{"view_html":"https://pith.science/pith/4V3OSCW7SCLSP6CAJ7IUVTZR25","download_json":"https://pith.science/pith/4V3OSCW7SCLSP6CAJ7IUVTZR25.json","view_paper":"https://pith.science/paper/4V3OSCW7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=gr-qc/9903067&json=true","fetch_graph":"https://pith.science/api/pith-number/4V3OSCW7SCLSP6CAJ7IUVTZR25/graph.json","fetch_events":"https://pith.science/api/pith-number/4V3OSCW7SCLSP6CAJ7IUVTZR25/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4V3OSCW7SCLSP6CAJ7IUVTZR25/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4V3OSCW7SCLSP6CAJ7IUVTZR25/action/storage_attestation","attest_author":"https://pith.science/pith/4V3OSCW7SCLSP6CAJ7IUVTZR25/action/author_attestation","sign_citation":"https://pith.science/pith/4V3OSCW7SCLSP6CAJ7IUVTZR25/action/citation_signature","submit_replication":"https://pith.science/pith/4V3OSCW7SCLSP6CAJ7IUVTZR25/action/replication_record"}},"created_at":"2026-07-04T16:13:50.145689+00:00","updated_at":"2026-07-04T16:13:50.145689+00:00"}