{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:SDV4VEJKHFT6FRB74VCJAY7TNC","short_pith_number":"pith:SDV4VEJK","schema_version":"1.0","canonical_sha256":"90ebca912a3967e2c43fe5449063f368a88f46b3c04cdb368b5395a2f54c2351","source":{"kind":"arxiv","id":"1805.12522","version":1},"attestation_state":"computed","paper":{"title":"Evolution and wave-like properties of the average solar supergranule","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. C. Birch, J. Langfellner, L. Gizon","submitted_at":"2018-05-31T15:44:53Z","abstract_excerpt":"Solar supergranulation presents us with many mysteries. For example, previous studies in spectral space found that supergranulation has wave-like properties. Here we study, in real space, the wave-like evolution of the average supergranule over a range of spatial scales (from 10 to 80 Mm). We complement this by characterizing the evolution of the associated network magnetic field. We use one year of data from the Helioseismic and Magnetic Imager (HMI) to measure horizontal near-surface flows near the solar equator by applying time-distance helioseismology on Dopplergrams and granulation tracki"},"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":"1805.12522","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-05-31T15:44:53Z","cross_cats_sorted":[],"title_canon_sha256":"1d7d746a16f56b4d777646bec9abbdbc4dc5bdcd36d9f3bac2163197bfbd918b","abstract_canon_sha256":"3f5c69264a78b785139f9c6938ace19e2a333f8d23af5a39e7573e718faea793"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:17.049349Z","signature_b64":"EZtXP3royNmkdlJXmUjEtXsW3zuMug7nDgUBRhwofZ7Zq+uDnUSE85xMIuBpB/PGswKUz8BOA4f0Z8iAO3mPDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"90ebca912a3967e2c43fe5449063f368a88f46b3c04cdb368b5395a2f54c2351","last_reissued_at":"2026-05-18T00:04:17.048644Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:17.048644Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Evolution and wave-like properties of the average solar supergranule","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. C. Birch, J. Langfellner, L. Gizon","submitted_at":"2018-05-31T15:44:53Z","abstract_excerpt":"Solar supergranulation presents us with many mysteries. For example, previous studies in spectral space found that supergranulation has wave-like properties. Here we study, in real space, the wave-like evolution of the average supergranule over a range of spatial scales (from 10 to 80 Mm). We complement this by characterizing the evolution of the associated network magnetic field. We use one year of data from the Helioseismic and Magnetic Imager (HMI) to measure horizontal near-surface flows near the solar equator by applying time-distance helioseismology on Dopplergrams and granulation tracki"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.12522","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":"1805.12522","created_at":"2026-05-18T00:04:17.048756+00:00"},{"alias_kind":"arxiv_version","alias_value":"1805.12522v1","created_at":"2026-05-18T00:04:17.048756+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.12522","created_at":"2026-05-18T00:04:17.048756+00:00"},{"alias_kind":"pith_short_12","alias_value":"SDV4VEJKHFT6","created_at":"2026-05-18T12:32:53.628368+00:00"},{"alias_kind":"pith_short_16","alias_value":"SDV4VEJKHFT6FRB7","created_at":"2026-05-18T12:32:53.628368+00:00"},{"alias_kind":"pith_short_8","alias_value":"SDV4VEJK","created_at":"2026-05-18T12:32:53.628368+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/SDV4VEJKHFT6FRB74VCJAY7TNC","json":"https://pith.science/pith/SDV4VEJKHFT6FRB74VCJAY7TNC.json","graph_json":"https://pith.science/api/pith-number/SDV4VEJKHFT6FRB74VCJAY7TNC/graph.json","events_json":"https://pith.science/api/pith-number/SDV4VEJKHFT6FRB74VCJAY7TNC/events.json","paper":"https://pith.science/paper/SDV4VEJK"},"agent_actions":{"view_html":"https://pith.science/pith/SDV4VEJKHFT6FRB74VCJAY7TNC","download_json":"https://pith.science/pith/SDV4VEJKHFT6FRB74VCJAY7TNC.json","view_paper":"https://pith.science/paper/SDV4VEJK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1805.12522&json=true","fetch_graph":"https://pith.science/api/pith-number/SDV4VEJKHFT6FRB74VCJAY7TNC/graph.json","fetch_events":"https://pith.science/api/pith-number/SDV4VEJKHFT6FRB74VCJAY7TNC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SDV4VEJKHFT6FRB74VCJAY7TNC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SDV4VEJKHFT6FRB74VCJAY7TNC/action/storage_attestation","attest_author":"https://pith.science/pith/SDV4VEJKHFT6FRB74VCJAY7TNC/action/author_attestation","sign_citation":"https://pith.science/pith/SDV4VEJKHFT6FRB74VCJAY7TNC/action/citation_signature","submit_replication":"https://pith.science/pith/SDV4VEJKHFT6FRB74VCJAY7TNC/action/replication_record"}},"created_at":"2026-05-18T00:04:17.048756+00:00","updated_at":"2026-05-18T00:04:17.048756+00:00"}