{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:N7BFYNW4LA3CLMMQRISIOKDR7O","short_pith_number":"pith:N7BFYNW4","schema_version":"1.0","canonical_sha256":"6fc25c36dc583625b1908a24872871fbaba5b58995a5c12eb69fe032c95cc810","source":{"kind":"arxiv","id":"1805.09915","version":1},"attestation_state":"computed","paper":{"title":"Visual and H-alpha measurements of solar diameter of 9 may 2016 mercury transit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"Costantino Sigismondi, Hamed Altafi","submitted_at":"2018-05-24T21:59:00Z","abstract_excerpt":"Visual observations of 2016 Mercury transit ingress made in visible light (Rome) and in H-alpha line (Tehran) are compared to evaluate the quote 1.84\" of active H-alpha regions at the solar latitude of the transit, without a confirmation of the theory of an oblate Sun at minimum activity. A variation of -0.12\" in the photospheric radius, within 0.17\" is found."},"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":"1805.09915","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-05-24T21:59:00Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"e9c7ca4a520d3f22efc2411b6f284e8b44e081a542a273c072f6e14ef118f2c0","abstract_canon_sha256":"4e401cd77d7717c0c05723b9cc48641a52a0f92cbbdff7844f4d9d8291122ebb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:14:58.794966Z","signature_b64":"heiLqVntGY8aBSZwJgfDJu7rditWJLBjzFJDMM/gBzU6r6sO3XDAB21UCNmfgHT+vJ7uBQ0l0r/4sVk3SOLFBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6fc25c36dc583625b1908a24872871fbaba5b58995a5c12eb69fe032c95cc810","last_reissued_at":"2026-05-18T00:14:58.794233Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:14:58.794233Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Visual and H-alpha measurements of solar diameter of 9 may 2016 mercury transit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"Costantino Sigismondi, Hamed Altafi","submitted_at":"2018-05-24T21:59:00Z","abstract_excerpt":"Visual observations of 2016 Mercury transit ingress made in visible light (Rome) and in H-alpha line (Tehran) are compared to evaluate the quote 1.84\" of active H-alpha regions at the solar latitude of the transit, without a confirmation of the theory of an oblate Sun at minimum activity. A variation of -0.12\" in the photospheric radius, within 0.17\" is found."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.09915","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1805.09915","created_at":"2026-05-18T00:14:58.794356+00:00"},{"alias_kind":"arxiv_version","alias_value":"1805.09915v1","created_at":"2026-05-18T00:14:58.794356+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.09915","created_at":"2026-05-18T00:14:58.794356+00:00"},{"alias_kind":"pith_short_12","alias_value":"N7BFYNW4LA3C","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_16","alias_value":"N7BFYNW4LA3CLMMQ","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_8","alias_value":"N7BFYNW4","created_at":"2026-05-18T12:32:40.477152+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/N7BFYNW4LA3CLMMQRISIOKDR7O","json":"https://pith.science/pith/N7BFYNW4LA3CLMMQRISIOKDR7O.json","graph_json":"https://pith.science/api/pith-number/N7BFYNW4LA3CLMMQRISIOKDR7O/graph.json","events_json":"https://pith.science/api/pith-number/N7BFYNW4LA3CLMMQRISIOKDR7O/events.json","paper":"https://pith.science/paper/N7BFYNW4"},"agent_actions":{"view_html":"https://pith.science/pith/N7BFYNW4LA3CLMMQRISIOKDR7O","download_json":"https://pith.science/pith/N7BFYNW4LA3CLMMQRISIOKDR7O.json","view_paper":"https://pith.science/paper/N7BFYNW4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1805.09915&json=true","fetch_graph":"https://pith.science/api/pith-number/N7BFYNW4LA3CLMMQRISIOKDR7O/graph.json","fetch_events":"https://pith.science/api/pith-number/N7BFYNW4LA3CLMMQRISIOKDR7O/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/N7BFYNW4LA3CLMMQRISIOKDR7O/action/timestamp_anchor","attest_storage":"https://pith.science/pith/N7BFYNW4LA3CLMMQRISIOKDR7O/action/storage_attestation","attest_author":"https://pith.science/pith/N7BFYNW4LA3CLMMQRISIOKDR7O/action/author_attestation","sign_citation":"https://pith.science/pith/N7BFYNW4LA3CLMMQRISIOKDR7O/action/citation_signature","submit_replication":"https://pith.science/pith/N7BFYNW4LA3CLMMQRISIOKDR7O/action/replication_record"}},"created_at":"2026-05-18T00:14:58.794356+00:00","updated_at":"2026-05-18T00:14:58.794356+00:00"}