{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:RCQ4UC3S3XM73TAAS4RXMLMCTF","short_pith_number":"pith:RCQ4UC3S","schema_version":"1.0","canonical_sha256":"88a1ca0b72ddd9fdcc009723762d82994547feb3a5e51dcfa0e9f0f307a0115f","source":{"kind":"arxiv","id":"2605.23794","version":1},"attestation_state":"computed","paper":{"title":"Sharper Than Ever: Do Modern Observations Pin Down the Solar Radius to Converge on New Standards?","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Alexander Kosovichev, Jean-Pierre Rozelot","submitted_at":"2026-05-22T15:55:31Z","abstract_excerpt":"Solar radius measurements and their variations -- if any -- are a difficult problem that has vexed researchers for decades. In this paper, we have attempted to clarify the various ways of expressing the definition ''solar diameter'', from a physical point of view. The concept of diameter is taken here in its broadest sense, leaving aside the issue concerning the oblateness caused by surface and internal angular velocity variations, as deviations from sphericity are negligible in our context. Astrometric time-series observations are still needed, and we advocate strengthening long-term metrolog"},"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":"2605.23794","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-05-22T15:55:31Z","cross_cats_sorted":[],"title_canon_sha256":"1dd2c784c06ba4ec7af616995d78aa7185fd89ba88792eac4eb5c593ee4dc45d","abstract_canon_sha256":"4ebaf0c96ac9a3b98424b722f024e185f02b2c5facb2132db9442259ce0a0dfd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-25T02:02:32.862064Z","signature_b64":"V1vmx2+cnPvCl+Scz3ex2gKhUzQrq2PCSCDTL+CBv4EEiln0jyu9wAuEoZvcIO+q2s6sK+7MPMSAkzJ3hBqHBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"88a1ca0b72ddd9fdcc009723762d82994547feb3a5e51dcfa0e9f0f307a0115f","last_reissued_at":"2026-05-25T02:02:32.861277Z","signature_status":"signed_v1","first_computed_at":"2026-05-25T02:02:32.861277Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Sharper Than Ever: Do Modern Observations Pin Down the Solar Radius to Converge on New Standards?","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Alexander Kosovichev, Jean-Pierre Rozelot","submitted_at":"2026-05-22T15:55:31Z","abstract_excerpt":"Solar radius measurements and their variations -- if any -- are a difficult problem that has vexed researchers for decades. In this paper, we have attempted to clarify the various ways of expressing the definition ''solar diameter'', from a physical point of view. The concept of diameter is taken here in its broadest sense, leaving aside the issue concerning the oblateness caused by surface and internal angular velocity variations, as deviations from sphericity are negligible in our context. Astrometric time-series observations are still needed, and we advocate strengthening long-term metrolog"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.23794","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/2605.23794/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":"2605.23794","created_at":"2026-05-25T02:02:32.861433+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.23794v1","created_at":"2026-05-25T02:02:32.861433+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.23794","created_at":"2026-05-25T02:02:32.861433+00:00"},{"alias_kind":"pith_short_12","alias_value":"RCQ4UC3S3XM7","created_at":"2026-05-25T02:02:32.861433+00:00"},{"alias_kind":"pith_short_16","alias_value":"RCQ4UC3S3XM73TAA","created_at":"2026-05-25T02:02:32.861433+00:00"},{"alias_kind":"pith_short_8","alias_value":"RCQ4UC3S","created_at":"2026-05-25T02:02:32.861433+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/RCQ4UC3S3XM73TAAS4RXMLMCTF","json":"https://pith.science/pith/RCQ4UC3S3XM73TAAS4RXMLMCTF.json","graph_json":"https://pith.science/api/pith-number/RCQ4UC3S3XM73TAAS4RXMLMCTF/graph.json","events_json":"https://pith.science/api/pith-number/RCQ4UC3S3XM73TAAS4RXMLMCTF/events.json","paper":"https://pith.science/paper/RCQ4UC3S"},"agent_actions":{"view_html":"https://pith.science/pith/RCQ4UC3S3XM73TAAS4RXMLMCTF","download_json":"https://pith.science/pith/RCQ4UC3S3XM73TAAS4RXMLMCTF.json","view_paper":"https://pith.science/paper/RCQ4UC3S","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.23794&json=true","fetch_graph":"https://pith.science/api/pith-number/RCQ4UC3S3XM73TAAS4RXMLMCTF/graph.json","fetch_events":"https://pith.science/api/pith-number/RCQ4UC3S3XM73TAAS4RXMLMCTF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RCQ4UC3S3XM73TAAS4RXMLMCTF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RCQ4UC3S3XM73TAAS4RXMLMCTF/action/storage_attestation","attest_author":"https://pith.science/pith/RCQ4UC3S3XM73TAAS4RXMLMCTF/action/author_attestation","sign_citation":"https://pith.science/pith/RCQ4UC3S3XM73TAAS4RXMLMCTF/action/citation_signature","submit_replication":"https://pith.science/pith/RCQ4UC3S3XM73TAAS4RXMLMCTF/action/replication_record"}},"created_at":"2026-05-25T02:02:32.861433+00:00","updated_at":"2026-05-25T02:02:32.861433+00:00"}