{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:HDPIGLXN63HZZNSYVU4I5IYNBS","short_pith_number":"pith:HDPIGLXN","schema_version":"1.0","canonical_sha256":"38de832eedf6cf9cb658ad388ea30d0ca128b3a438e235467cc2c2e82b58632f","source":{"kind":"arxiv","id":"2504.00565","version":1},"attestation_state":"computed","paper":{"title":"Secular brightness curves of 272 comets","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"(2) Laboratoire de G\\'eologie de Lyon: Terre, (3) Institute of Astronomy, (4) Dep. Science, (5) INAF - Osservatorio Astronomico di Roma, (6) The University of Edinburgh, 7), (7) Instituto Pedro Nunes), A. Guilbert-Lepoutre (2), Bulgarian Academy of Sciences, CNRS, C. Snodgrass (6) ((1) Instituto de Astrof\\'isica e Ci\\^encias do Espa\\c{c}o, E. Mazzotta Epifani (5), EnsL, Environnement, L. Inno (4), National Astronomical Observatory, Parthenope University of Naples, P. Lacerda (1, Plan\\`etes, R . Kokotanekova (3), Technology, UCBL, Universidade de Coimbra","submitted_at":"2025-04-01T09:22:44Z","abstract_excerpt":"We investigate the brightening behavior of long-period comets as a function of dynamical age, defined by the original reciprocal semimajor axis, $1/a_0$. Our goal is to test long-standing claims about comet behavior using a large number of available measurements. We use a large set of photometric observations to compute and analyze global and local brightening curves for 272 long-period comets. Observed magnitudes are fitted with a linear model in log heliocentric distance, from which we derive brightening parameters for each comet. We categorize the sample into dynamically new, intermediate, "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2504.00565","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-04-01T09:22:44Z","cross_cats_sorted":[],"title_canon_sha256":"70770559d518a87f0f3cac5869a7d5ad4a59d989bc9f782f56d91e14b2464d75","abstract_canon_sha256":"21eb76e469d36cccab69224d919a10a0026c33dbd358e76b71ebe88e789d9cc9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:06:12.052042Z","signature_b64":"9ZJDstsOlmLKQsjhYVDG150kHrrOmaGCw995i7+sXNxSqgffuuzXk1NRpEiN1rIKVWt/8MYTAIxJ1KqPy8ZLAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38de832eedf6cf9cb658ad388ea30d0ca128b3a438e235467cc2c2e82b58632f","last_reissued_at":"2026-07-05T11:06:12.051470Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:06:12.051470Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Secular brightness curves of 272 comets","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"(2) Laboratoire de G\\'eologie de Lyon: Terre, (3) Institute of Astronomy, (4) Dep. Science, (5) INAF - Osservatorio Astronomico di Roma, (6) The University of Edinburgh, 7), (7) Instituto Pedro Nunes), A. Guilbert-Lepoutre (2), Bulgarian Academy of Sciences, CNRS, C. Snodgrass (6) ((1) Instituto de Astrof\\'isica e Ci\\^encias do Espa\\c{c}o, E. Mazzotta Epifani (5), EnsL, Environnement, L. Inno (4), National Astronomical Observatory, Parthenope University of Naples, P. Lacerda (1, Plan\\`etes, R . Kokotanekova (3), Technology, UCBL, Universidade de Coimbra","submitted_at":"2025-04-01T09:22:44Z","abstract_excerpt":"We investigate the brightening behavior of long-period comets as a function of dynamical age, defined by the original reciprocal semimajor axis, $1/a_0$. Our goal is to test long-standing claims about comet behavior using a large number of available measurements. We use a large set of photometric observations to compute and analyze global and local brightening curves for 272 long-period comets. Observed magnitudes are fitted with a linear model in log heliocentric distance, from which we derive brightening parameters for each comet. We categorize the sample into dynamically new, intermediate, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.00565","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/2504.00565/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2504.00565","created_at":"2026-07-05T11:06:12.051533+00:00"},{"alias_kind":"arxiv_version","alias_value":"2504.00565v1","created_at":"2026-07-05T11:06:12.051533+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.00565","created_at":"2026-07-05T11:06:12.051533+00:00"},{"alias_kind":"pith_short_12","alias_value":"HDPIGLXN63HZ","created_at":"2026-07-05T11:06:12.051533+00:00"},{"alias_kind":"pith_short_16","alias_value":"HDPIGLXN63HZZNSY","created_at":"2026-07-05T11:06:12.051533+00:00"},{"alias_kind":"pith_short_8","alias_value":"HDPIGLXN","created_at":"2026-07-05T11:06:12.051533+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2506.09263","citing_title":"Down But Not Out: The Case of Long-Period Comet C/2021 O3 (Panstarrs)","ref_index":2974,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HDPIGLXN63HZZNSYVU4I5IYNBS","json":"https://pith.science/pith/HDPIGLXN63HZZNSYVU4I5IYNBS.json","graph_json":"https://pith.science/api/pith-number/HDPIGLXN63HZZNSYVU4I5IYNBS/graph.json","events_json":"https://pith.science/api/pith-number/HDPIGLXN63HZZNSYVU4I5IYNBS/events.json","paper":"https://pith.science/paper/HDPIGLXN"},"agent_actions":{"view_html":"https://pith.science/pith/HDPIGLXN63HZZNSYVU4I5IYNBS","download_json":"https://pith.science/pith/HDPIGLXN63HZZNSYVU4I5IYNBS.json","view_paper":"https://pith.science/paper/HDPIGLXN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2504.00565&json=true","fetch_graph":"https://pith.science/api/pith-number/HDPIGLXN63HZZNSYVU4I5IYNBS/graph.json","fetch_events":"https://pith.science/api/pith-number/HDPIGLXN63HZZNSYVU4I5IYNBS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HDPIGLXN63HZZNSYVU4I5IYNBS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HDPIGLXN63HZZNSYVU4I5IYNBS/action/storage_attestation","attest_author":"https://pith.science/pith/HDPIGLXN63HZZNSYVU4I5IYNBS/action/author_attestation","sign_citation":"https://pith.science/pith/HDPIGLXN63HZZNSYVU4I5IYNBS/action/citation_signature","submit_replication":"https://pith.science/pith/HDPIGLXN63HZZNSYVU4I5IYNBS/action/replication_record"}},"created_at":"2026-07-05T11:06:12.051533+00:00","updated_at":"2026-07-05T11:06:12.051533+00:00"}