{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:UTZ22DJHSFEL4EGYDN3NZAYFG7","short_pith_number":"pith:UTZ22DJH","canonical_record":{"source":{"id":"2008.12817","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-08-28T19:06:33Z","cross_cats_sorted":["astro-ph.SR","nucl-th"],"title_canon_sha256":"f78d2720c9c7f3d98a50fa940fabed53227ca93b6504e7ac4c414abfe75ac733","abstract_canon_sha256":"c888b9557ebcb288bc0a8b47d876d30ce2ccb5fa40f86ccd6852e652343f2ff3"},"schema_version":"1.0"},"canonical_sha256":"a4f3ad0d279148be10d81b76dc830537c7bcc53e457bab987e8d7c01dd3eec57","source":{"kind":"arxiv","id":"2008.12817","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.12817","created_at":"2026-07-05T02:15:27Z"},{"alias_kind":"arxiv_version","alias_value":"2008.12817v2","created_at":"2026-07-05T02:15:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.12817","created_at":"2026-07-05T02:15:27Z"},{"alias_kind":"pith_short_12","alias_value":"UTZ22DJHSFEL","created_at":"2026-07-05T02:15:27Z"},{"alias_kind":"pith_short_16","alias_value":"UTZ22DJHSFEL4EGY","created_at":"2026-07-05T02:15:27Z"},{"alias_kind":"pith_short_8","alias_value":"UTZ22DJH","created_at":"2026-07-05T02:15:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:UTZ22DJHSFEL4EGYDN3NZAYFG7","target":"record","payload":{"canonical_record":{"source":{"id":"2008.12817","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-08-28T19:06:33Z","cross_cats_sorted":["astro-ph.SR","nucl-th"],"title_canon_sha256":"f78d2720c9c7f3d98a50fa940fabed53227ca93b6504e7ac4c414abfe75ac733","abstract_canon_sha256":"c888b9557ebcb288bc0a8b47d876d30ce2ccb5fa40f86ccd6852e652343f2ff3"},"schema_version":"1.0"},"canonical_sha256":"a4f3ad0d279148be10d81b76dc830537c7bcc53e457bab987e8d7c01dd3eec57","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:15:27.484646Z","signature_b64":"ntbEeZiG0MvrCLvrUETipyygu0SGvIazGTsonSzNDtNrMLtlGCrmUZo1Gxws1LBs125yQwR5iY/Binn0id5/DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a4f3ad0d279148be10d81b76dc830537c7bcc53e457bab987e8d7c01dd3eec57","last_reissued_at":"2026-07-05T02:15:27.484190Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:15:27.484190Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2008.12817","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":"2026-07-05T02:15:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UwNes8j4lD0pUmP1ytIL9ZW52FJdQ8JOuWstUllF9mg9MRWD8SIzhSmkhdwjB0qWciAlJnP+E/WgTp/VqXPMBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T16:25:56.915898Z"},"content_sha256":"8ab5e6525dd0d6359dee42dc7214243465071fa2e930cc191d55588914852cda","schema_version":"1.0","event_id":"sha256:8ab5e6525dd0d6359dee42dc7214243465071fa2e930cc191d55588914852cda"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:UTZ22DJHSFEL4EGYDN3NZAYFG7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Combining Electromagnetic and Gravitational-Wave Constraints on Neutron-Star Masses and Radii","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR","nucl-th"],"primary_cat":"astro-ph.HE","authors_text":"Andrew W. Steiner, Craig Heinke, Ingo Tews, Jacob Lange, Joonas N\\\"attil\\\"a, Mohammad Al-Mamun, Richard O'Shaughnessy, Sophia Han, Stefano Gandolfi","submitted_at":"2020-08-28T19:06:33Z","abstract_excerpt":"We perform a joint Bayesian inference of neutron-star mass and radius constraints based on GW170817, observations of quiescent low-mass X-ray binaries (QLMXBs), photospheric radius expansion X-ray bursts (PREs), and X-ray timing observations of J0030+0451. With this data set, the form of the prior distribution still has an impact on the posterior mass-radius (MR) curves and equation of state (EOS), but this impact is smaller than recently obtained when considering QLMXBs alone. We analyze the consistency of the electromagnetic data by including an \"intrinsic scattering\" contribution to the unc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.12817","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2008.12817/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":"2026-07-05T02:15:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ylp7OhnE9WzGP/Hq15kxoc3DniwSVgaQBTc+NZdjQAaFQWzUol8CBSgRHmrAa0FWNP2tqfMHEYgfBloOKPryDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T16:25:56.916963Z"},"content_sha256":"6d1e1d150b91f97be8094da14439ad83db7848a110b9dbc7bcd8f7b6d750160b","schema_version":"1.0","event_id":"sha256:6d1e1d150b91f97be8094da14439ad83db7848a110b9dbc7bcd8f7b6d750160b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UTZ22DJHSFEL4EGYDN3NZAYFG7/bundle.json","state_url":"https://pith.science/pith/UTZ22DJHSFEL4EGYDN3NZAYFG7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UTZ22DJHSFEL4EGYDN3NZAYFG7/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":"2026-08-11T16:25:56Z","links":{"resolver":"https://pith.science/pith/UTZ22DJHSFEL4EGYDN3NZAYFG7","bundle":"https://pith.science/pith/UTZ22DJHSFEL4EGYDN3NZAYFG7/bundle.json","state":"https://pith.science/pith/UTZ22DJHSFEL4EGYDN3NZAYFG7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UTZ22DJHSFEL4EGYDN3NZAYFG7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:UTZ22DJHSFEL4EGYDN3NZAYFG7","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":"c888b9557ebcb288bc0a8b47d876d30ce2ccb5fa40f86ccd6852e652343f2ff3","cross_cats_sorted":["astro-ph.SR","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-08-28T19:06:33Z","title_canon_sha256":"f78d2720c9c7f3d98a50fa940fabed53227ca93b6504e7ac4c414abfe75ac733"},"schema_version":"1.0","source":{"id":"2008.12817","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.12817","created_at":"2026-07-05T02:15:27Z"},{"alias_kind":"arxiv_version","alias_value":"2008.12817v2","created_at":"2026-07-05T02:15:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.12817","created_at":"2026-07-05T02:15:27Z"},{"alias_kind":"pith_short_12","alias_value":"UTZ22DJHSFEL","created_at":"2026-07-05T02:15:27Z"},{"alias_kind":"pith_short_16","alias_value":"UTZ22DJHSFEL4EGY","created_at":"2026-07-05T02:15:27Z"},{"alias_kind":"pith_short_8","alias_value":"UTZ22DJH","created_at":"2026-07-05T02:15:27Z"}],"graph_snapshots":[{"event_id":"sha256:6d1e1d150b91f97be8094da14439ad83db7848a110b9dbc7bcd8f7b6d750160b","target":"graph","created_at":"2026-07-05T02:15:27Z","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/2008.12817/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We perform a joint Bayesian inference of neutron-star mass and radius constraints based on GW170817, observations of quiescent low-mass X-ray binaries (QLMXBs), photospheric radius expansion X-ray bursts (PREs), and X-ray timing observations of J0030+0451. With this data set, the form of the prior distribution still has an impact on the posterior mass-radius (MR) curves and equation of state (EOS), but this impact is smaller than recently obtained when considering QLMXBs alone. We analyze the consistency of the electromagnetic data by including an \"intrinsic scattering\" contribution to the unc","authors_text":"Andrew W. Steiner, Craig Heinke, Ingo Tews, Jacob Lange, Joonas N\\\"attil\\\"a, Mohammad Al-Mamun, Richard O'Shaughnessy, Sophia Han, Stefano Gandolfi","cross_cats":["astro-ph.SR","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-08-28T19:06:33Z","title":"Combining Electromagnetic and Gravitational-Wave Constraints on Neutron-Star Masses and Radii"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.12817","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":"sha256:8ab5e6525dd0d6359dee42dc7214243465071fa2e930cc191d55588914852cda","target":"record","created_at":"2026-07-05T02:15:27Z","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":"c888b9557ebcb288bc0a8b47d876d30ce2ccb5fa40f86ccd6852e652343f2ff3","cross_cats_sorted":["astro-ph.SR","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-08-28T19:06:33Z","title_canon_sha256":"f78d2720c9c7f3d98a50fa940fabed53227ca93b6504e7ac4c414abfe75ac733"},"schema_version":"1.0","source":{"id":"2008.12817","kind":"arxiv","version":2}},"canonical_sha256":"a4f3ad0d279148be10d81b76dc830537c7bcc53e457bab987e8d7c01dd3eec57","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a4f3ad0d279148be10d81b76dc830537c7bcc53e457bab987e8d7c01dd3eec57","first_computed_at":"2026-07-05T02:15:27.484190Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:15:27.484190Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ntbEeZiG0MvrCLvrUETipyygu0SGvIazGTsonSzNDtNrMLtlGCrmUZo1Gxws1LBs125yQwR5iY/Binn0id5/DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:15:27.484646Z","signed_message":"canonical_sha256_bytes"},"source_id":"2008.12817","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ab5e6525dd0d6359dee42dc7214243465071fa2e930cc191d55588914852cda","sha256:6d1e1d150b91f97be8094da14439ad83db7848a110b9dbc7bcd8f7b6d750160b"],"state_sha256":"9aa44b37f959e4285f45c79c68f9ba42c3c185dde369fb2aa2db095a0f20a04f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"erpXcVQ+jOutHukSuyat2TdplI0DPcjABLHC3jrrALjj8JSNFMTsNQf8IrrNSlQXR3HHCg8KFluxNGHJbWuZCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T16:25:56.922980Z","bundle_sha256":"17d41f75a6ae07ebd2c8769fdd38f422b3ad0daa6a7b42dca0b4aa8751a79bbb"}}