{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:LZP4DXUOJCAYR2ERYHIEDH3ST4","short_pith_number":"pith:LZP4DXUO","schema_version":"1.0","canonical_sha256":"5e5fc1de8e488188e891c1d0419f729f3b9da1d782b66e1f4661f11b5733e308","source":{"kind":"arxiv","id":"1009.2350","version":1},"attestation_state":"computed","paper":{"title":"Local helioseismic and spectroscopic analyses of interactions between acoustic waves and a sunspot","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Bangalore, CA, India), India (2) Hansen Experimental Physics Laboratory, ISRO Satellite Centre, K. Sankarasubramanian (3), R. Wachter (2), S. Couvidat (2) ((1) Indian Institute of Astrophysics, Space Astronomy Group, S.P. Rajaguru (1), Stanford, Stanford University, USA (3) Space Science Division","submitted_at":"2010-09-13T11:17:18Z","abstract_excerpt":"Using a high cadence imaging spectropolarimetric observation of a sunspot and its surroundings in magnetically sensitive (FeI 6173 A) and insensitive (FeI 7090 A) upper photospheric absorption lines, we map the instantaneous wave phases and helioseismic travel times as a function of observation height and inclination of magnetic field to the vertical. We confirm the magnetic inclination angle dependent transmission of incident acoustic waves into upward propagating waves, and derive (1) proof that helioseismic travel times receive direction dependent contributions from such waves and hence cau"},"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":"1009.2350","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-09-13T11:17:18Z","cross_cats_sorted":[],"title_canon_sha256":"fe2270f12fbab2d69f24d87e47bbee79b2586db4bfb9ae0d83b2c68733c70ceb","abstract_canon_sha256":"681cbc18fe257ba1771e43f14353abdb4f93ff8fe3576740316ccfc7ba046b41"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:41:04.367916Z","signature_b64":"mfKrYjzafgdm7+EcQmeAywSOS3/k20/9u2PkKL0EcN92yza9CFBC+M1ny07p0JDrDxXkjy8VpRsqhIx2mWyWAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5e5fc1de8e488188e891c1d0419f729f3b9da1d782b66e1f4661f11b5733e308","last_reissued_at":"2026-05-18T04:41:04.367364Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:41:04.367364Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Local helioseismic and spectroscopic analyses of interactions between acoustic waves and a sunspot","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Bangalore, CA, India), India (2) Hansen Experimental Physics Laboratory, ISRO Satellite Centre, K. Sankarasubramanian (3), R. Wachter (2), S. Couvidat (2) ((1) Indian Institute of Astrophysics, Space Astronomy Group, S.P. Rajaguru (1), Stanford, Stanford University, USA (3) Space Science Division","submitted_at":"2010-09-13T11:17:18Z","abstract_excerpt":"Using a high cadence imaging spectropolarimetric observation of a sunspot and its surroundings in magnetically sensitive (FeI 6173 A) and insensitive (FeI 7090 A) upper photospheric absorption lines, we map the instantaneous wave phases and helioseismic travel times as a function of observation height and inclination of magnetic field to the vertical. We confirm the magnetic inclination angle dependent transmission of incident acoustic waves into upward propagating waves, and derive (1) proof that helioseismic travel times receive direction dependent contributions from such waves and hence cau"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.2350","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":"1009.2350","created_at":"2026-05-18T04:41:04.367452+00:00"},{"alias_kind":"arxiv_version","alias_value":"1009.2350v1","created_at":"2026-05-18T04:41:04.367452+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.2350","created_at":"2026-05-18T04:41:04.367452+00:00"},{"alias_kind":"pith_short_12","alias_value":"LZP4DXUOJCAY","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_16","alias_value":"LZP4DXUOJCAYR2ER","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_8","alias_value":"LZP4DXUO","created_at":"2026-05-18T12:26:10.704358+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/LZP4DXUOJCAYR2ERYHIEDH3ST4","json":"https://pith.science/pith/LZP4DXUOJCAYR2ERYHIEDH3ST4.json","graph_json":"https://pith.science/api/pith-number/LZP4DXUOJCAYR2ERYHIEDH3ST4/graph.json","events_json":"https://pith.science/api/pith-number/LZP4DXUOJCAYR2ERYHIEDH3ST4/events.json","paper":"https://pith.science/paper/LZP4DXUO"},"agent_actions":{"view_html":"https://pith.science/pith/LZP4DXUOJCAYR2ERYHIEDH3ST4","download_json":"https://pith.science/pith/LZP4DXUOJCAYR2ERYHIEDH3ST4.json","view_paper":"https://pith.science/paper/LZP4DXUO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1009.2350&json=true","fetch_graph":"https://pith.science/api/pith-number/LZP4DXUOJCAYR2ERYHIEDH3ST4/graph.json","fetch_events":"https://pith.science/api/pith-number/LZP4DXUOJCAYR2ERYHIEDH3ST4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LZP4DXUOJCAYR2ERYHIEDH3ST4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LZP4DXUOJCAYR2ERYHIEDH3ST4/action/storage_attestation","attest_author":"https://pith.science/pith/LZP4DXUOJCAYR2ERYHIEDH3ST4/action/author_attestation","sign_citation":"https://pith.science/pith/LZP4DXUOJCAYR2ERYHIEDH3ST4/action/citation_signature","submit_replication":"https://pith.science/pith/LZP4DXUOJCAYR2ERYHIEDH3ST4/action/replication_record"}},"created_at":"2026-05-18T04:41:04.367452+00:00","updated_at":"2026-05-18T04:41:04.367452+00:00"}