{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:N33GGOQCRXULP3QG7VOXS5CSBV","short_pith_number":"pith:N33GGOQC","canonical_record":{"source":{"id":"1711.02414","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-07T11:39:09Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"13080f147c2048fc907255101e9120c6f598deae8dc83caefe16c4362f255572","abstract_canon_sha256":"ebca1611a5c3467d02ae9c521ce12e46376f5d90d38b6552f9646f45fee01c58"},"schema_version":"1.0"},"canonical_sha256":"6ef6633a028de8b7ee06fd5d7974520d465a2b6eb52ab15e07142ceaa23b5eda","source":{"kind":"arxiv","id":"1711.02414","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.02414","created_at":"2026-05-18T00:20:05Z"},{"alias_kind":"arxiv_version","alias_value":"1711.02414v2","created_at":"2026-05-18T00:20:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.02414","created_at":"2026-05-18T00:20:05Z"},{"alias_kind":"pith_short_12","alias_value":"N33GGOQCRXUL","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"N33GGOQCRXULP3QG","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"N33GGOQC","created_at":"2026-05-18T12:31:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:N33GGOQCRXULP3QG7VOXS5CSBV","target":"record","payload":{"canonical_record":{"source":{"id":"1711.02414","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-07T11:39:09Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"13080f147c2048fc907255101e9120c6f598deae8dc83caefe16c4362f255572","abstract_canon_sha256":"ebca1611a5c3467d02ae9c521ce12e46376f5d90d38b6552f9646f45fee01c58"},"schema_version":"1.0"},"canonical_sha256":"6ef6633a028de8b7ee06fd5d7974520d465a2b6eb52ab15e07142ceaa23b5eda","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:20:05.838740Z","signature_b64":"zTT3g+G3WWNcynU16l3dqO5kJ6tpEyBZlSPc6t2BU9pr71Et7fPBupHSGtzvt+3U36EK2bzN3hPNRIFyRCUiBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6ef6633a028de8b7ee06fd5d7974520d465a2b6eb52ab15e07142ceaa23b5eda","last_reissued_at":"2026-05-18T00:20:05.838079Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:20:05.838079Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.02414","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":"2026-05-18T00:20:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RbLGeMpoYqTpEd1BvuNA3HtzULA6+AFEGOm0LZUe0mYkuBIGlPliQGtMTXROMgKnmBSfu7CzTyIzdbpd6r8HDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T23:27:46.807464Z"},"content_sha256":"3e3abdd2b42449db845feb989205b75e31a26c1acb8310f1adb73cfbdd2ff47c","schema_version":"1.0","event_id":"sha256:3e3abdd2b42449db845feb989205b75e31a26c1acb8310f1adb73cfbdd2ff47c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:N33GGOQCRXULP3QG7VOXS5CSBV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Accurate ray tracing of realistic neutron star atmospheres for constraining their parameters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"A. Majczyna, A. Rozanska, B. Beldycki, E. Gourgoulhon, F. H. Vincent, J. Madej, L. Zdunik, M. Bejger, M. Fortin, O. Straub, P. Haensel, T. Paumard","submitted_at":"2017-11-07T11:39:09Z","abstract_excerpt":"Thermal dominated X-ray spectra of neutron stars in quiescent transient X-ray binaries and neutron stars that undergo thermonuclear bursts are sensitive to mass and radius. The mass-radius relation of neutron stars depends on the equation of state that governs their interior. Constraining this relation accurately is thus of fundamental importance to understand the nature of dense matter. In this context we introduce a pipeline to calculate realistic model spectra of rotating neutron stars with hydrogen and helium atmospheres. An arbitrarily fast rotating neutron star with a given equation of s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.02414","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":"2026-05-18T00:20:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EEX6goAkmsE5dex8v6+K1OavHIoxsoOjzrvcMD6dJHtVHzOML8WtIjGQLM0wsrlqGiqYXCIwkgzLiJ83QI3IAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T23:27:46.808114Z"},"content_sha256":"422ebac3c4e9bc205e1206ef23f9c933962a7097b2c9ad7b0b334251ad601e49","schema_version":"1.0","event_id":"sha256:422ebac3c4e9bc205e1206ef23f9c933962a7097b2c9ad7b0b334251ad601e49"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N33GGOQCRXULP3QG7VOXS5CSBV/bundle.json","state_url":"https://pith.science/pith/N33GGOQCRXULP3QG7VOXS5CSBV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N33GGOQCRXULP3QG7VOXS5CSBV/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":"2026-05-27T23:27:46Z","links":{"resolver":"https://pith.science/pith/N33GGOQCRXULP3QG7VOXS5CSBV","bundle":"https://pith.science/pith/N33GGOQCRXULP3QG7VOXS5CSBV/bundle.json","state":"https://pith.science/pith/N33GGOQCRXULP3QG7VOXS5CSBV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N33GGOQCRXULP3QG7VOXS5CSBV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:N33GGOQCRXULP3QG7VOXS5CSBV","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":"ebca1611a5c3467d02ae9c521ce12e46376f5d90d38b6552f9646f45fee01c58","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-07T11:39:09Z","title_canon_sha256":"13080f147c2048fc907255101e9120c6f598deae8dc83caefe16c4362f255572"},"schema_version":"1.0","source":{"id":"1711.02414","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.02414","created_at":"2026-05-18T00:20:05Z"},{"alias_kind":"arxiv_version","alias_value":"1711.02414v2","created_at":"2026-05-18T00:20:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.02414","created_at":"2026-05-18T00:20:05Z"},{"alias_kind":"pith_short_12","alias_value":"N33GGOQCRXUL","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"N33GGOQCRXULP3QG","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"N33GGOQC","created_at":"2026-05-18T12:31:31Z"}],"graph_snapshots":[{"event_id":"sha256:422ebac3c4e9bc205e1206ef23f9c933962a7097b2c9ad7b0b334251ad601e49","target":"graph","created_at":"2026-05-18T00:20:05Z","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":"Thermal dominated X-ray spectra of neutron stars in quiescent transient X-ray binaries and neutron stars that undergo thermonuclear bursts are sensitive to mass and radius. The mass-radius relation of neutron stars depends on the equation of state that governs their interior. Constraining this relation accurately is thus of fundamental importance to understand the nature of dense matter. In this context we introduce a pipeline to calculate realistic model spectra of rotating neutron stars with hydrogen and helium atmospheres. An arbitrarily fast rotating neutron star with a given equation of s","authors_text":"A. Majczyna, A. Rozanska, B. Beldycki, E. Gourgoulhon, F. H. Vincent, J. Madej, L. Zdunik, M. Bejger, M. Fortin, O. Straub, P. Haensel, T. Paumard","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-07T11:39:09Z","title":"Accurate ray tracing of realistic neutron star atmospheres for constraining their parameters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.02414","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":"sha256:3e3abdd2b42449db845feb989205b75e31a26c1acb8310f1adb73cfbdd2ff47c","target":"record","created_at":"2026-05-18T00:20:05Z","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":"ebca1611a5c3467d02ae9c521ce12e46376f5d90d38b6552f9646f45fee01c58","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-07T11:39:09Z","title_canon_sha256":"13080f147c2048fc907255101e9120c6f598deae8dc83caefe16c4362f255572"},"schema_version":"1.0","source":{"id":"1711.02414","kind":"arxiv","version":2}},"canonical_sha256":"6ef6633a028de8b7ee06fd5d7974520d465a2b6eb52ab15e07142ceaa23b5eda","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6ef6633a028de8b7ee06fd5d7974520d465a2b6eb52ab15e07142ceaa23b5eda","first_computed_at":"2026-05-18T00:20:05.838079Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:20:05.838079Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zTT3g+G3WWNcynU16l3dqO5kJ6tpEyBZlSPc6t2BU9pr71Et7fPBupHSGtzvt+3U36EK2bzN3hPNRIFyRCUiBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:20:05.838740Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.02414","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3e3abdd2b42449db845feb989205b75e31a26c1acb8310f1adb73cfbdd2ff47c","sha256:422ebac3c4e9bc205e1206ef23f9c933962a7097b2c9ad7b0b334251ad601e49"],"state_sha256":"888eaca18bc930ca7d769d72afca78276960ce658b5c9c600959880aee85a911"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1wvZh5FGwkuBBPIHxzqZk2CyIF0AW1lWpgYHmXlpDpVCefBfXBmOd/Gs5vkBSVHgw5KGoQNJ3j+Iny0DZ5FlCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T23:27:46.810780Z","bundle_sha256":"dc72748dee2da56ebea8396049d673da8cc5b625e9dd93c79a0b1e7e8554afdd"}}