{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:J52SFP3VC5RKK2PGCDHYKKK6VT","short_pith_number":"pith:J52SFP3V","canonical_record":{"source":{"id":"1612.02626","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-12-08T12:58:05Z","cross_cats_sorted":[],"title_canon_sha256":"da7038edcbcec2d1d5eed74888522b133e56a6479dcbdd3666e58876872179a7","abstract_canon_sha256":"485b1e26c9acc7e76a7c29d7976fb8d859d90460bc573b3fdb20519339317480"},"schema_version":"1.0"},"canonical_sha256":"4f7522bf751762a569e610cf85295eacfce79236bea382a4effb6e4556ddeb25","source":{"kind":"arxiv","id":"1612.02626","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.02626","created_at":"2026-05-18T00:46:13Z"},{"alias_kind":"arxiv_version","alias_value":"1612.02626v1","created_at":"2026-05-18T00:46:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.02626","created_at":"2026-05-18T00:46:13Z"},{"alias_kind":"pith_short_12","alias_value":"J52SFP3VC5RK","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"J52SFP3VC5RKK2PG","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"J52SFP3V","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:J52SFP3VC5RKK2PGCDHYKKK6VT","target":"record","payload":{"canonical_record":{"source":{"id":"1612.02626","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-12-08T12:58:05Z","cross_cats_sorted":[],"title_canon_sha256":"da7038edcbcec2d1d5eed74888522b133e56a6479dcbdd3666e58876872179a7","abstract_canon_sha256":"485b1e26c9acc7e76a7c29d7976fb8d859d90460bc573b3fdb20519339317480"},"schema_version":"1.0"},"canonical_sha256":"4f7522bf751762a569e610cf85295eacfce79236bea382a4effb6e4556ddeb25","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:13.517264Z","signature_b64":"qsOpcoVgDZetNS+jQEWtjz0X2xPrxL7f1uBrjyzzTLhPlx9rA1SPtKJ27fbFo17S3TJMFjf7ozErYl2aKd2EBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4f7522bf751762a569e610cf85295eacfce79236bea382a4effb6e4556ddeb25","last_reissued_at":"2026-05-18T00:46:13.516782Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:13.516782Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.02626","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":"2026-05-18T00:46:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zSzTzy+qE6hiEk0ECan3EuuO8IByxZU6cHVNmmkpKDjL8i1USowpVPhtFLgyvE79UZIJK8XTdOqDuWhNJZ0PCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:21:09.983055Z"},"content_sha256":"c583d678edcb031dd59877070e2ae3796984656a33c5ab1dcb10880f08296837","schema_version":"1.0","event_id":"sha256:c583d678edcb031dd59877070e2ae3796984656a33c5ab1dcb10880f08296837"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:J52SFP3VC5RKK2PGCDHYKKK6VT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Physical properties of centaur (54598) Bienor from photometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"E. Fern\\'andez-Valenzuela, J. L. Ortiz, N. Morales, P. Santos-Sanz, R. Duffard","submitted_at":"2016-12-08T12:58:05Z","abstract_excerpt":"We present time series photometry of Bienor in four observation campaigns from 2013 to 2016 and compare them with previous observations in the literature dating back to 2000. The results show a remarkable decline in the amplitude of the rotational light curve and in the absolute magnitude. This suggests that the angle between the rotation axis and the line of sight has changed noticeably during the last 16 years as Bienor orbits the Sun. From the light curve amplitude data we are able to determine the orientation of the rotation axis of Bienor ($\\beta_p=50\\pm3^{\\circ}$, $\\lambda_p=35\\pm8^{\\cir"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.02626","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":""},"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":"2026-05-18T00:46:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"clsoyCFYK6baUfkazCBxBo4x25lyOOIUoW15EAtb+L7gL8e5m+T08KF7g7wH1QEuLJq1+sygqaYH/9PDaeK7Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:21:09.983746Z"},"content_sha256":"18b67960ef0061e33d4a8ead8113c5e622b2c7a2614d02930ae8b8eff1de94d0","schema_version":"1.0","event_id":"sha256:18b67960ef0061e33d4a8ead8113c5e622b2c7a2614d02930ae8b8eff1de94d0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J52SFP3VC5RKK2PGCDHYKKK6VT/bundle.json","state_url":"https://pith.science/pith/J52SFP3VC5RKK2PGCDHYKKK6VT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J52SFP3VC5RKK2PGCDHYKKK6VT/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":"2026-05-25T15:21:09Z","links":{"resolver":"https://pith.science/pith/J52SFP3VC5RKK2PGCDHYKKK6VT","bundle":"https://pith.science/pith/J52SFP3VC5RKK2PGCDHYKKK6VT/bundle.json","state":"https://pith.science/pith/J52SFP3VC5RKK2PGCDHYKKK6VT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J52SFP3VC5RKK2PGCDHYKKK6VT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:J52SFP3VC5RKK2PGCDHYKKK6VT","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":"485b1e26c9acc7e76a7c29d7976fb8d859d90460bc573b3fdb20519339317480","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-12-08T12:58:05Z","title_canon_sha256":"da7038edcbcec2d1d5eed74888522b133e56a6479dcbdd3666e58876872179a7"},"schema_version":"1.0","source":{"id":"1612.02626","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.02626","created_at":"2026-05-18T00:46:13Z"},{"alias_kind":"arxiv_version","alias_value":"1612.02626v1","created_at":"2026-05-18T00:46:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.02626","created_at":"2026-05-18T00:46:13Z"},{"alias_kind":"pith_short_12","alias_value":"J52SFP3VC5RK","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"J52SFP3VC5RKK2PG","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"J52SFP3V","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:18b67960ef0061e33d4a8ead8113c5e622b2c7a2614d02930ae8b8eff1de94d0","target":"graph","created_at":"2026-05-18T00:46:13Z","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":"We present time series photometry of Bienor in four observation campaigns from 2013 to 2016 and compare them with previous observations in the literature dating back to 2000. The results show a remarkable decline in the amplitude of the rotational light curve and in the absolute magnitude. This suggests that the angle between the rotation axis and the line of sight has changed noticeably during the last 16 years as Bienor orbits the Sun. From the light curve amplitude data we are able to determine the orientation of the rotation axis of Bienor ($\\beta_p=50\\pm3^{\\circ}$, $\\lambda_p=35\\pm8^{\\cir","authors_text":"E. Fern\\'andez-Valenzuela, J. L. Ortiz, N. Morales, P. Santos-Sanz, R. Duffard","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-12-08T12:58:05Z","title":"Physical properties of centaur (54598) Bienor from photometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.02626","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:c583d678edcb031dd59877070e2ae3796984656a33c5ab1dcb10880f08296837","target":"record","created_at":"2026-05-18T00:46:13Z","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":"485b1e26c9acc7e76a7c29d7976fb8d859d90460bc573b3fdb20519339317480","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-12-08T12:58:05Z","title_canon_sha256":"da7038edcbcec2d1d5eed74888522b133e56a6479dcbdd3666e58876872179a7"},"schema_version":"1.0","source":{"id":"1612.02626","kind":"arxiv","version":1}},"canonical_sha256":"4f7522bf751762a569e610cf85295eacfce79236bea382a4effb6e4556ddeb25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4f7522bf751762a569e610cf85295eacfce79236bea382a4effb6e4556ddeb25","first_computed_at":"2026-05-18T00:46:13.516782Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:46:13.516782Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qsOpcoVgDZetNS+jQEWtjz0X2xPrxL7f1uBrjyzzTLhPlx9rA1SPtKJ27fbFo17S3TJMFjf7ozErYl2aKd2EBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:46:13.517264Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.02626","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c583d678edcb031dd59877070e2ae3796984656a33c5ab1dcb10880f08296837","sha256:18b67960ef0061e33d4a8ead8113c5e622b2c7a2614d02930ae8b8eff1de94d0"],"state_sha256":"d0ca4c78d8f3c1dda49e0073e8ceb098ec67b26e7b02754b7a3ba53052ca47f9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JL528pFvcy6JOuE1FD9OVDXTlo1cJubYMd34jIZq42l4bK0ti7cyHkWhHqUcEnAW75TgDgOpWX8667uJGhHxDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T15:21:09.987678Z","bundle_sha256":"474fe49b29710dd90c065f42717cc8d27ae5d28d1ac1875400ef4b9402363f98"}}