{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:NUMVPPXKPN6JXPFMVIDRR6B2XB","short_pith_number":"pith:NUMVPPXK","schema_version":"1.0","canonical_sha256":"6d1957beea7b7c9bbcacaa0718f83ab84223c44f65dfb9b7219190c85357483c","source":{"kind":"arxiv","id":"1706.01460","version":2},"attestation_state":"computed","paper":{"title":"Extremely late photometry of SN~2011fe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Jerkstrand, A. J. Ruiter, C. Fransson, C. McCully, I. Seitenzahl, J. Spyromilio, K. S. Long, S. Taubenberger, W.E. Kerzendorf","submitted_at":"2017-06-05T18:00:00Z","abstract_excerpt":"Type Ia supernovae are widely accepted to be the outcomes of thermonuclear explosions in white dwarf stars. However, many details of these explosions remain uncertain (e.g. the mass, ignition mechanism, and flame speed). Theory predicts that at very late times (beyond 1000 d) it might be possible to distinguish between explosion models. Few very nearby supernovae can be observed that long after the explosion. The Type Ia supernova SN 2011fe located in M101 and along a line of sight with negligible extinction, provides us with the once-in-a-lifetime chance to obtain measurements that may distin"},"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":"1706.01460","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-06-05T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"de0fb4b57f644785a261f923ba032facb4257c03fafeb385068483fd00a7e7ca","abstract_canon_sha256":"a01827e621f1276293dd4ffbbc770b148596dfff261096c9a670a6c163dfd7d2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:17.688288Z","signature_b64":"i1cWlHh9Irp6rnsyzNfEKM84mbQprbdq7kpPe2/PJoMJ4HsbO6BFYChzLUEn0AUyBCIXA5mG77g+9RpdZ+TCAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d1957beea7b7c9bbcacaa0718f83ab84223c44f65dfb9b7219190c85357483c","last_reissued_at":"2026-05-18T00:33:17.687487Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:17.687487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Extremely late photometry of SN~2011fe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Jerkstrand, A. J. Ruiter, C. Fransson, C. McCully, I. Seitenzahl, J. Spyromilio, K. S. Long, S. Taubenberger, W.E. Kerzendorf","submitted_at":"2017-06-05T18:00:00Z","abstract_excerpt":"Type Ia supernovae are widely accepted to be the outcomes of thermonuclear explosions in white dwarf stars. However, many details of these explosions remain uncertain (e.g. the mass, ignition mechanism, and flame speed). Theory predicts that at very late times (beyond 1000 d) it might be possible to distinguish between explosion models. Few very nearby supernovae can be observed that long after the explosion. The Type Ia supernova SN 2011fe located in M101 and along a line of sight with negligible extinction, provides us with the once-in-a-lifetime chance to obtain measurements that may distin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.01460","kind":"arxiv","version":2},"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":"1706.01460","created_at":"2026-05-18T00:33:17.687625+00:00"},{"alias_kind":"arxiv_version","alias_value":"1706.01460v2","created_at":"2026-05-18T00:33:17.687625+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.01460","created_at":"2026-05-18T00:33:17.687625+00:00"},{"alias_kind":"pith_short_12","alias_value":"NUMVPPXKPN6J","created_at":"2026-05-18T12:31:34.259226+00:00"},{"alias_kind":"pith_short_16","alias_value":"NUMVPPXKPN6JXPFM","created_at":"2026-05-18T12:31:34.259226+00:00"},{"alias_kind":"pith_short_8","alias_value":"NUMVPPXK","created_at":"2026-05-18T12:31:34.259226+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/NUMVPPXKPN6JXPFMVIDRR6B2XB","json":"https://pith.science/pith/NUMVPPXKPN6JXPFMVIDRR6B2XB.json","graph_json":"https://pith.science/api/pith-number/NUMVPPXKPN6JXPFMVIDRR6B2XB/graph.json","events_json":"https://pith.science/api/pith-number/NUMVPPXKPN6JXPFMVIDRR6B2XB/events.json","paper":"https://pith.science/paper/NUMVPPXK"},"agent_actions":{"view_html":"https://pith.science/pith/NUMVPPXKPN6JXPFMVIDRR6B2XB","download_json":"https://pith.science/pith/NUMVPPXKPN6JXPFMVIDRR6B2XB.json","view_paper":"https://pith.science/paper/NUMVPPXK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1706.01460&json=true","fetch_graph":"https://pith.science/api/pith-number/NUMVPPXKPN6JXPFMVIDRR6B2XB/graph.json","fetch_events":"https://pith.science/api/pith-number/NUMVPPXKPN6JXPFMVIDRR6B2XB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NUMVPPXKPN6JXPFMVIDRR6B2XB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NUMVPPXKPN6JXPFMVIDRR6B2XB/action/storage_attestation","attest_author":"https://pith.science/pith/NUMVPPXKPN6JXPFMVIDRR6B2XB/action/author_attestation","sign_citation":"https://pith.science/pith/NUMVPPXKPN6JXPFMVIDRR6B2XB/action/citation_signature","submit_replication":"https://pith.science/pith/NUMVPPXKPN6JXPFMVIDRR6B2XB/action/replication_record"}},"created_at":"2026-05-18T00:33:17.687625+00:00","updated_at":"2026-05-18T00:33:17.687625+00:00"}