{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:INMXWCMSDVECCPL3ND3EQWFZ6U","short_pith_number":"pith:INMXWCMS","schema_version":"1.0","canonical_sha256":"43597b09921d48213d7b68f64858b9f51697ffe9bac8ff527652844b5c1d9265","source":{"kind":"arxiv","id":"1411.3778","version":3},"attestation_state":"computed","paper":{"title":"Constraining the Amount of Circumstellar Matter and Dust around Type Ia Supernovae through Near-Infrared Echoes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Keiichi Maeda, Kentaro Motohara, Takashi Nagao, Takaya Nozawa","submitted_at":"2014-11-14T02:37:37Z","abstract_excerpt":"The circumstellar (CS) environment is key to understanding progenitors of type Ia supernovae (SNe Ia), as well as the origin of a peculiar extinction property toward SNe Ia for cosmological application. It has been suggested that multiple scatterings of SN photons by CS dust may explain the non-standard reddening law. In this paper, we examine the effect of re-emission of SN photons by CS dust in the infrared (IR) wavelength regime. This effect allows the observed IR light curves to be used as a constraint on the position/size and the amount of CS dust. The method was applied to observed near-"},"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":"1411.3778","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-11-14T02:37:37Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"23b4bf09b4997c67b9a9c94b1c0b62fc2fd985883964baf9b50cb6508f245822","abstract_canon_sha256":"e01f1108f3f86b484da6870a625d173f8812fe1761daf62863e717b5e109e36f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:37:07.713428Z","signature_b64":"M4JhYkPgTMFq3xFx73R9cHdKPypEM7mcdKfrommfWEWZCC06fp5XxLrY/vqD8gxRw+trm8dJfTNvA9Ghv1TLBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"43597b09921d48213d7b68f64858b9f51697ffe9bac8ff527652844b5c1d9265","last_reissued_at":"2026-05-18T01:37:07.712976Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:37:07.712976Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Constraining the Amount of Circumstellar Matter and Dust around Type Ia Supernovae through Near-Infrared Echoes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Keiichi Maeda, Kentaro Motohara, Takashi Nagao, Takaya Nozawa","submitted_at":"2014-11-14T02:37:37Z","abstract_excerpt":"The circumstellar (CS) environment is key to understanding progenitors of type Ia supernovae (SNe Ia), as well as the origin of a peculiar extinction property toward SNe Ia for cosmological application. It has been suggested that multiple scatterings of SN photons by CS dust may explain the non-standard reddening law. In this paper, we examine the effect of re-emission of SN photons by CS dust in the infrared (IR) wavelength regime. This effect allows the observed IR light curves to be used as a constraint on the position/size and the amount of CS dust. The method was applied to observed near-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.3778","kind":"arxiv","version":3},"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":"1411.3778","created_at":"2026-05-18T01:37:07.713048+00:00"},{"alias_kind":"arxiv_version","alias_value":"1411.3778v3","created_at":"2026-05-18T01:37:07.713048+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.3778","created_at":"2026-05-18T01:37:07.713048+00:00"},{"alias_kind":"pith_short_12","alias_value":"INMXWCMSDVEC","created_at":"2026-05-18T12:28:33.132498+00:00"},{"alias_kind":"pith_short_16","alias_value":"INMXWCMSDVECCPL3","created_at":"2026-05-18T12:28:33.132498+00:00"},{"alias_kind":"pith_short_8","alias_value":"INMXWCMS","created_at":"2026-05-18T12:28:33.132498+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/INMXWCMSDVECCPL3ND3EQWFZ6U","json":"https://pith.science/pith/INMXWCMSDVECCPL3ND3EQWFZ6U.json","graph_json":"https://pith.science/api/pith-number/INMXWCMSDVECCPL3ND3EQWFZ6U/graph.json","events_json":"https://pith.science/api/pith-number/INMXWCMSDVECCPL3ND3EQWFZ6U/events.json","paper":"https://pith.science/paper/INMXWCMS"},"agent_actions":{"view_html":"https://pith.science/pith/INMXWCMSDVECCPL3ND3EQWFZ6U","download_json":"https://pith.science/pith/INMXWCMSDVECCPL3ND3EQWFZ6U.json","view_paper":"https://pith.science/paper/INMXWCMS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1411.3778&json=true","fetch_graph":"https://pith.science/api/pith-number/INMXWCMSDVECCPL3ND3EQWFZ6U/graph.json","fetch_events":"https://pith.science/api/pith-number/INMXWCMSDVECCPL3ND3EQWFZ6U/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/INMXWCMSDVECCPL3ND3EQWFZ6U/action/timestamp_anchor","attest_storage":"https://pith.science/pith/INMXWCMSDVECCPL3ND3EQWFZ6U/action/storage_attestation","attest_author":"https://pith.science/pith/INMXWCMSDVECCPL3ND3EQWFZ6U/action/author_attestation","sign_citation":"https://pith.science/pith/INMXWCMSDVECCPL3ND3EQWFZ6U/action/citation_signature","submit_replication":"https://pith.science/pith/INMXWCMSDVECCPL3ND3EQWFZ6U/action/replication_record"}},"created_at":"2026-05-18T01:37:07.713048+00:00","updated_at":"2026-05-18T01:37:07.713048+00:00"}