{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:Y75M4TFVBAW4CCT6NSYNU4UGNC","short_pith_number":"pith:Y75M4TFV","canonical_record":{"source":{"id":"2107.10765","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-07-22T15:48:56Z","cross_cats_sorted":[],"title_canon_sha256":"3e665f14b64d2c8ca2fa967f603b84c3cfc3516c1209fad31dea8f97bd9ee0a3","abstract_canon_sha256":"4b7379c40845a2323d4872ed5d0b86e633291e98f9483eda87e93a5d54d4602c"},"schema_version":"1.0"},"canonical_sha256":"c7face4cb5082dc10a7e6cb0da7286689c733afc07ecdb1a16337f5072a61d10","source":{"kind":"arxiv","id":"2107.10765","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.10765","created_at":"2026-07-05T03:21:56Z"},{"alias_kind":"arxiv_version","alias_value":"2107.10765v1","created_at":"2026-07-05T03:21:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.10765","created_at":"2026-07-05T03:21:56Z"},{"alias_kind":"pith_short_12","alias_value":"Y75M4TFVBAW4","created_at":"2026-07-05T03:21:56Z"},{"alias_kind":"pith_short_16","alias_value":"Y75M4TFVBAW4CCT6","created_at":"2026-07-05T03:21:56Z"},{"alias_kind":"pith_short_8","alias_value":"Y75M4TFV","created_at":"2026-07-05T03:21:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:Y75M4TFVBAW4CCT6NSYNU4UGNC","target":"record","payload":{"canonical_record":{"source":{"id":"2107.10765","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-07-22T15:48:56Z","cross_cats_sorted":[],"title_canon_sha256":"3e665f14b64d2c8ca2fa967f603b84c3cfc3516c1209fad31dea8f97bd9ee0a3","abstract_canon_sha256":"4b7379c40845a2323d4872ed5d0b86e633291e98f9483eda87e93a5d54d4602c"},"schema_version":"1.0"},"canonical_sha256":"c7face4cb5082dc10a7e6cb0da7286689c733afc07ecdb1a16337f5072a61d10","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:21:56.273416Z","signature_b64":"A6U+2Oq7UK5Hasp2SeixyJ0hF7+DLiw/SuRkCbPEWK3Rt/nY+E5ziFdM2ooC4h/ESxgQEBdPCjnwY3WV7Q+HDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c7face4cb5082dc10a7e6cb0da7286689c733afc07ecdb1a16337f5072a61d10","last_reissued_at":"2026-07-05T03:21:56.273003Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:21:56.273003Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2107.10765","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:21:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VcXxRWF7NCAleN7sw8alcTfJLRCKT0CjfGJdQVcuse54TB0YD/QP+fqQCOk6kongQUbz8bsSNvYssT+xx9WjAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:51:14.540483Z"},"content_sha256":"796f821ec92316a92591d6062c9e3bf9344aee3a96c3be910daaf40b14598faa","schema_version":"1.0","event_id":"sha256:796f821ec92316a92591d6062c9e3bf9344aee3a96c3be910daaf40b14598faa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:Y75M4TFVBAW4CCT6NSYNU4UGNC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Analysis of apsidal motion in eclipsing binaries using TESS data II. A test of internal stellar structure}","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Claret, A. Gim\\'enez, D. Baroch, G. Anglada-Escud\\'e, I. Ribas, J.C. Morales","submitted_at":"2021-07-22T15:48:56Z","abstract_excerpt":"We have determined the apsidal motion rate of 27 double-lined eclipsing binaries with precise\n physical parameters. The obtained values, corrected for their relativistic contribution, yield precise empirical parameters of the internal stellar density concentration. The comparison of these results with the predictions based on new theoretical models shows very good agreement.\n  Small deviations are identified but remain within the observational uncertainties and the path for a refined comparison is indicated."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.10765","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/2107.10765/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":"2026-07-05T03:21:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mNASgy8cRufpL1ceuXypvf0lEAA1xP9PrIQj4K78FHaf247ZN50na+7MID3Rw//Yd4kyjChNULAqKys7RhXTBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:51:14.540860Z"},"content_sha256":"7557a0851c9da2be6537e29fafc2102c3f4ca217e9e4a90491450238350c04c8","schema_version":"1.0","event_id":"sha256:7557a0851c9da2be6537e29fafc2102c3f4ca217e9e4a90491450238350c04c8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y75M4TFVBAW4CCT6NSYNU4UGNC/bundle.json","state_url":"https://pith.science/pith/Y75M4TFVBAW4CCT6NSYNU4UGNC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y75M4TFVBAW4CCT6NSYNU4UGNC/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":"2026-08-03T18:51:14Z","links":{"resolver":"https://pith.science/pith/Y75M4TFVBAW4CCT6NSYNU4UGNC","bundle":"https://pith.science/pith/Y75M4TFVBAW4CCT6NSYNU4UGNC/bundle.json","state":"https://pith.science/pith/Y75M4TFVBAW4CCT6NSYNU4UGNC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y75M4TFVBAW4CCT6NSYNU4UGNC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:Y75M4TFVBAW4CCT6NSYNU4UGNC","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":"4b7379c40845a2323d4872ed5d0b86e633291e98f9483eda87e93a5d54d4602c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-07-22T15:48:56Z","title_canon_sha256":"3e665f14b64d2c8ca2fa967f603b84c3cfc3516c1209fad31dea8f97bd9ee0a3"},"schema_version":"1.0","source":{"id":"2107.10765","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.10765","created_at":"2026-07-05T03:21:56Z"},{"alias_kind":"arxiv_version","alias_value":"2107.10765v1","created_at":"2026-07-05T03:21:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.10765","created_at":"2026-07-05T03:21:56Z"},{"alias_kind":"pith_short_12","alias_value":"Y75M4TFVBAW4","created_at":"2026-07-05T03:21:56Z"},{"alias_kind":"pith_short_16","alias_value":"Y75M4TFVBAW4CCT6","created_at":"2026-07-05T03:21:56Z"},{"alias_kind":"pith_short_8","alias_value":"Y75M4TFV","created_at":"2026-07-05T03:21:56Z"}],"graph_snapshots":[{"event_id":"sha256:7557a0851c9da2be6537e29fafc2102c3f4ca217e9e4a90491450238350c04c8","target":"graph","created_at":"2026-07-05T03:21:56Z","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/2107.10765/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have determined the apsidal motion rate of 27 double-lined eclipsing binaries with precise\n physical parameters. The obtained values, corrected for their relativistic contribution, yield precise empirical parameters of the internal stellar density concentration. The comparison of these results with the predictions based on new theoretical models shows very good agreement.\n  Small deviations are identified but remain within the observational uncertainties and the path for a refined comparison is indicated.","authors_text":"A. Claret, A. Gim\\'enez, D. Baroch, G. Anglada-Escud\\'e, I. Ribas, J.C. Morales","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-07-22T15:48:56Z","title":"Analysis of apsidal motion in eclipsing binaries using TESS data II. A test of internal stellar structure}"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.10765","kind":"arxiv","version":1},"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":"sha256:796f821ec92316a92591d6062c9e3bf9344aee3a96c3be910daaf40b14598faa","target":"record","created_at":"2026-07-05T03:21:56Z","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":"4b7379c40845a2323d4872ed5d0b86e633291e98f9483eda87e93a5d54d4602c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-07-22T15:48:56Z","title_canon_sha256":"3e665f14b64d2c8ca2fa967f603b84c3cfc3516c1209fad31dea8f97bd9ee0a3"},"schema_version":"1.0","source":{"id":"2107.10765","kind":"arxiv","version":1}},"canonical_sha256":"c7face4cb5082dc10a7e6cb0da7286689c733afc07ecdb1a16337f5072a61d10","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c7face4cb5082dc10a7e6cb0da7286689c733afc07ecdb1a16337f5072a61d10","first_computed_at":"2026-07-05T03:21:56.273003Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:21:56.273003Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A6U+2Oq7UK5Hasp2SeixyJ0hF7+DLiw/SuRkCbPEWK3Rt/nY+E5ziFdM2ooC4h/ESxgQEBdPCjnwY3WV7Q+HDA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:21:56.273416Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.10765","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:796f821ec92316a92591d6062c9e3bf9344aee3a96c3be910daaf40b14598faa","sha256:7557a0851c9da2be6537e29fafc2102c3f4ca217e9e4a90491450238350c04c8"],"state_sha256":"2c49b1901b4e59b7896368fd7627750a188c98500219b8187da039cb46825bba"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3MrlGqywl+zOGUTrcOSquyoqWV9pqcNCzNnOmQZntYSbeYIM4ES3yhiC4s/5lCRnPuWaLzhKLVLNfRTT/PzwAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T18:51:14.543518Z","bundle_sha256":"f69b6b9bb36aa46a73e65c999c8bfa4d6084cefb450559fcdd61f19de56b98e7"}}