{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:7PGSXOGVQDSO4YIQP5ON7YX535","short_pith_number":"pith:7PGSXOGV","canonical_record":{"source":{"id":"1305.6645","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-05-28T22:12:18Z","cross_cats_sorted":[],"title_canon_sha256":"da727f0dd3be22a2c8ed6c393a1aab85ae45f2b7dcec40e39e0206ecee1388be","abstract_canon_sha256":"852eecadfdab0827b4e6f2bdae59ac21d5ac31a9b07ac5fa46556146b47f1064"},"schema_version":"1.0"},"canonical_sha256":"fbcd2bb8d580e4ee61107f5cdfe2fddf6b590ac0adf8be90b8fafc2cd9284d94","source":{"kind":"arxiv","id":"1305.6645","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.6645","created_at":"2026-05-18T03:00:12Z"},{"alias_kind":"arxiv_version","alias_value":"1305.6645v2","created_at":"2026-05-18T03:00:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.6645","created_at":"2026-05-18T03:00:12Z"},{"alias_kind":"pith_short_12","alias_value":"7PGSXOGVQDSO","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7PGSXOGVQDSO4YIQ","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7PGSXOGV","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:7PGSXOGVQDSO4YIQP5ON7YX535","target":"record","payload":{"canonical_record":{"source":{"id":"1305.6645","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-05-28T22:12:18Z","cross_cats_sorted":[],"title_canon_sha256":"da727f0dd3be22a2c8ed6c393a1aab85ae45f2b7dcec40e39e0206ecee1388be","abstract_canon_sha256":"852eecadfdab0827b4e6f2bdae59ac21d5ac31a9b07ac5fa46556146b47f1064"},"schema_version":"1.0"},"canonical_sha256":"fbcd2bb8d580e4ee61107f5cdfe2fddf6b590ac0adf8be90b8fafc2cd9284d94","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:00:12.814442Z","signature_b64":"tiXSdlFmAu3+Jo/vtaygVNgNDM9BpuUgBZXk1b+kTOAc3DdS8E3hdRsokBRx1moat2dvRTLXYPw9zFN2Lq1fDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fbcd2bb8d580e4ee61107f5cdfe2fddf6b590ac0adf8be90b8fafc2cd9284d94","last_reissued_at":"2026-05-18T03:00:12.813633Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:00:12.813633Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.6645","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:00:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j9XQ9kjgdrkGNWmhN7Mzn5eefKrtwrF+Lc3wXU7zQMVR9VuP+inqYo0BbP9N6eGLCMlRIwfKUXvdC28bEhirDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:59:02.216207Z"},"content_sha256":"5c6f958a67b0feb5d0f45cc3adc38067d4d0a98027be8a9105e05425112616a9","schema_version":"1.0","event_id":"sha256:5c6f958a67b0feb5d0f45cc3adc38067d4d0a98027be8a9105e05425112616a9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:7PGSXOGVQDSO4YIQP5ON7YX535","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Inequality between size and angular momentum for bodies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Sergio Dain","submitted_at":"2013-05-28T22:12:18Z","abstract_excerpt":"A universal inequality that bounds the angular momentum of a body by the square of its size is presented and heuristic physical arguments are given to support it. We prove a version of this inequality, as consequence of Einstein equations, for the case of rotating axially symmetric, constant density, bodies. Finally, the physical relevance of this result is discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.6645","kind":"arxiv","version":2},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:00:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r79vq6BlXJJvnRms9rS1VZ32nwTMl0zhj6M3kpobZIB6m57DetQT0dS+cyJryBVWxxtG74LKey9mfB34Pa5CCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:59:02.216562Z"},"content_sha256":"44c36d9978e41543956c21cf91b3b47ee5a847c8f34afd15569ad909542cd69c","schema_version":"1.0","event_id":"sha256:44c36d9978e41543956c21cf91b3b47ee5a847c8f34afd15569ad909542cd69c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7PGSXOGVQDSO4YIQP5ON7YX535/bundle.json","state_url":"https://pith.science/pith/7PGSXOGVQDSO4YIQP5ON7YX535/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7PGSXOGVQDSO4YIQP5ON7YX535/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":"2026-05-28T00:59:02Z","links":{"resolver":"https://pith.science/pith/7PGSXOGVQDSO4YIQP5ON7YX535","bundle":"https://pith.science/pith/7PGSXOGVQDSO4YIQP5ON7YX535/bundle.json","state":"https://pith.science/pith/7PGSXOGVQDSO4YIQP5ON7YX535/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7PGSXOGVQDSO4YIQP5ON7YX535/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:7PGSXOGVQDSO4YIQP5ON7YX535","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":"852eecadfdab0827b4e6f2bdae59ac21d5ac31a9b07ac5fa46556146b47f1064","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-05-28T22:12:18Z","title_canon_sha256":"da727f0dd3be22a2c8ed6c393a1aab85ae45f2b7dcec40e39e0206ecee1388be"},"schema_version":"1.0","source":{"id":"1305.6645","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.6645","created_at":"2026-05-18T03:00:12Z"},{"alias_kind":"arxiv_version","alias_value":"1305.6645v2","created_at":"2026-05-18T03:00:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.6645","created_at":"2026-05-18T03:00:12Z"},{"alias_kind":"pith_short_12","alias_value":"7PGSXOGVQDSO","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7PGSXOGVQDSO4YIQ","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7PGSXOGV","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:44c36d9978e41543956c21cf91b3b47ee5a847c8f34afd15569ad909542cd69c","target":"graph","created_at":"2026-05-18T03:00:12Z","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"},"paper":{"abstract_excerpt":"A universal inequality that bounds the angular momentum of a body by the square of its size is presented and heuristic physical arguments are given to support it. We prove a version of this inequality, as consequence of Einstein equations, for the case of rotating axially symmetric, constant density, bodies. Finally, the physical relevance of this result is discussed.","authors_text":"Sergio Dain","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-05-28T22:12:18Z","title":"Inequality between size and angular momentum for bodies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.6645","kind":"arxiv","version":2},"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":"sha256:5c6f958a67b0feb5d0f45cc3adc38067d4d0a98027be8a9105e05425112616a9","target":"record","created_at":"2026-05-18T03:00:12Z","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":"852eecadfdab0827b4e6f2bdae59ac21d5ac31a9b07ac5fa46556146b47f1064","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-05-28T22:12:18Z","title_canon_sha256":"da727f0dd3be22a2c8ed6c393a1aab85ae45f2b7dcec40e39e0206ecee1388be"},"schema_version":"1.0","source":{"id":"1305.6645","kind":"arxiv","version":2}},"canonical_sha256":"fbcd2bb8d580e4ee61107f5cdfe2fddf6b590ac0adf8be90b8fafc2cd9284d94","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fbcd2bb8d580e4ee61107f5cdfe2fddf6b590ac0adf8be90b8fafc2cd9284d94","first_computed_at":"2026-05-18T03:00:12.813633Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:00:12.813633Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tiXSdlFmAu3+Jo/vtaygVNgNDM9BpuUgBZXk1b+kTOAc3DdS8E3hdRsokBRx1moat2dvRTLXYPw9zFN2Lq1fDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:00:12.814442Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.6645","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5c6f958a67b0feb5d0f45cc3adc38067d4d0a98027be8a9105e05425112616a9","sha256:44c36d9978e41543956c21cf91b3b47ee5a847c8f34afd15569ad909542cd69c"],"state_sha256":"8a849ae702a7eaa011e3b342290f6e9574d1fd6634fe7a2a77c5f774dcacb401"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gSI9ic/AOoCdOgtybxLtfezJLJU/TPQnDkk7WjvvP1Ag6eUbGwPva7NLplBM04TXykfT9ZVc2hZ3RoMu4C+qDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T00:59:02.218580Z","bundle_sha256":"c6a836ee9725c227e3f8081974771066d85adeb512c03472d46f3be7fe29a833"}}