{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:DQ4XLX5A25DQSL3KEB7S4WVO5V","short_pith_number":"pith:DQ4XLX5A","canonical_record":{"source":{"id":"1510.07662","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-26T20:26:42Z","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"title_canon_sha256":"e4b38b5af10bc6c0b0f4082d88998e5261ce5ee504c17aaa8be4885e62f8e711","abstract_canon_sha256":"dfc2efa1d77c83acb07af8ded2676e8f8a34890593a79d73d35a78e1c83779d4"},"schema_version":"1.0"},"canonical_sha256":"1c3975dfa0d747092f6a207f2e5aaeed5a9d1c2f71535f21ac4f2f81e3d313f0","source":{"kind":"arxiv","id":"1510.07662","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.07662","created_at":"2026-05-18T01:16:17Z"},{"alias_kind":"arxiv_version","alias_value":"1510.07662v1","created_at":"2026-05-18T01:16:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.07662","created_at":"2026-05-18T01:16:17Z"},{"alias_kind":"pith_short_12","alias_value":"DQ4XLX5A25DQ","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DQ4XLX5A25DQSL3K","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DQ4XLX5A","created_at":"2026-05-18T12:29:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:DQ4XLX5A25DQSL3KEB7S4WVO5V","target":"record","payload":{"canonical_record":{"source":{"id":"1510.07662","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-26T20:26:42Z","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"title_canon_sha256":"e4b38b5af10bc6c0b0f4082d88998e5261ce5ee504c17aaa8be4885e62f8e711","abstract_canon_sha256":"dfc2efa1d77c83acb07af8ded2676e8f8a34890593a79d73d35a78e1c83779d4"},"schema_version":"1.0"},"canonical_sha256":"1c3975dfa0d747092f6a207f2e5aaeed5a9d1c2f71535f21ac4f2f81e3d313f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:17.476688Z","signature_b64":"KGGCS9sALdYtUWw4r+0bb8paYVIgwrgMqwbjUuxc7bd0kU8Zq6QqMzmE10NV9d1LxzyXjM3i0afAGY/6eO8JCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c3975dfa0d747092f6a207f2e5aaeed5a9d1c2f71535f21ac4f2f81e3d313f0","last_reissued_at":"2026-05-18T01:16:17.475586Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:17.475586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.07662","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:16:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OErl5sHTFan/u+pz1ZAf/c7bX+pT41McQ/UBjPeLaZJwHIzJE/CjE94sXRCHxGTGbwyTRsrHvkrJE9M35ue/Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T16:19:21.818926Z"},"content_sha256":"7552416cbc662f618a2a2efefc9c045dd0780ad2ee246aedb2ef6caa1ecd0cd9","schema_version":"1.0","event_id":"sha256:7552416cbc662f618a2a2efefc9c045dd0780ad2ee246aedb2ef6caa1ecd0cd9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:DQ4XLX5A25DQSL3KEB7S4WVO5V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Deep Search for Prompt Radio Emission from Thermonuclear Supernovae with the Very Large Array","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Alicia M. Soderberg, Atish Kamble, Carles Badenes, Claes Fransson, Jay Strader, Jerod Parrent, Joshua D. Simon, Laura Chomiuk, Michael P. Rupen, Raffaella Margutti, Roger A. Chevalier, Ryan J. Foley, Seth Bruzewski","submitted_at":"2015-10-26T20:26:42Z","abstract_excerpt":"Searches for circumstellar material around Type Ia supernovae (SNe Ia) are one of the most powerful tests of the nature of SN Ia progenitors, and radio observations provide a particularly sensitive probe of this material. Here we report radio observations for SNe Ia and their lower-luminosity thermonuclear cousins. We present the largest, most sensitive, and spectroscopically diverse study of prompt (delta t <~ 1 yr) radio observations of 85 thermonuclear SNe, including 25 obtained by our team with the unprecedented depth of the Karl G. Jansky Very Large Array. With these observations, SN 2012"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.07662","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:16:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tDJ8WHv8kFHFm7KwNVq95irA50c3BoduMxtzfEt9X+FCe6a+dQenUzZ3i/eEEtJUQczkNKpai2mHyv3oihV1Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T16:19:21.819655Z"},"content_sha256":"c0c3b3b882ac5191a3c7279e98dd655c7c11446bbfdaaa19e275b41889eeb237","schema_version":"1.0","event_id":"sha256:c0c3b3b882ac5191a3c7279e98dd655c7c11446bbfdaaa19e275b41889eeb237"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DQ4XLX5A25DQSL3KEB7S4WVO5V/bundle.json","state_url":"https://pith.science/pith/DQ4XLX5A25DQSL3KEB7S4WVO5V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DQ4XLX5A25DQSL3KEB7S4WVO5V/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-10T16:19:21Z","links":{"resolver":"https://pith.science/pith/DQ4XLX5A25DQSL3KEB7S4WVO5V","bundle":"https://pith.science/pith/DQ4XLX5A25DQSL3KEB7S4WVO5V/bundle.json","state":"https://pith.science/pith/DQ4XLX5A25DQSL3KEB7S4WVO5V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DQ4XLX5A25DQSL3KEB7S4WVO5V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:DQ4XLX5A25DQSL3KEB7S4WVO5V","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"dfc2efa1d77c83acb07af8ded2676e8f8a34890593a79d73d35a78e1c83779d4","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-26T20:26:42Z","title_canon_sha256":"e4b38b5af10bc6c0b0f4082d88998e5261ce5ee504c17aaa8be4885e62f8e711"},"schema_version":"1.0","source":{"id":"1510.07662","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.07662","created_at":"2026-05-18T01:16:17Z"},{"alias_kind":"arxiv_version","alias_value":"1510.07662v1","created_at":"2026-05-18T01:16:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.07662","created_at":"2026-05-18T01:16:17Z"},{"alias_kind":"pith_short_12","alias_value":"DQ4XLX5A25DQ","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DQ4XLX5A25DQSL3K","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DQ4XLX5A","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:c0c3b3b882ac5191a3c7279e98dd655c7c11446bbfdaaa19e275b41889eeb237","target":"graph","created_at":"2026-05-18T01:16:17Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Searches for circumstellar material around Type Ia supernovae (SNe Ia) are one of the most powerful tests of the nature of SN Ia progenitors, and radio observations provide a particularly sensitive probe of this material. Here we report radio observations for SNe Ia and their lower-luminosity thermonuclear cousins. We present the largest, most sensitive, and spectroscopically diverse study of prompt (delta t <~ 1 yr) radio observations of 85 thermonuclear SNe, including 25 obtained by our team with the unprecedented depth of the Karl G. Jansky Very Large Array. With these observations, SN 2012","authors_text":"Alicia M. Soderberg, Atish Kamble, Carles Badenes, Claes Fransson, Jay Strader, Jerod Parrent, Joshua D. Simon, Laura Chomiuk, Michael P. Rupen, Raffaella Margutti, Roger A. Chevalier, Ryan J. Foley, Seth Bruzewski","cross_cats":["astro-ph.CO","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-26T20:26:42Z","title":"A Deep Search for Prompt Radio Emission from Thermonuclear Supernovae with the Very Large Array"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.07662","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:7552416cbc662f618a2a2efefc9c045dd0780ad2ee246aedb2ef6caa1ecd0cd9","target":"record","created_at":"2026-05-18T01:16:17Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"dfc2efa1d77c83acb07af8ded2676e8f8a34890593a79d73d35a78e1c83779d4","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-26T20:26:42Z","title_canon_sha256":"e4b38b5af10bc6c0b0f4082d88998e5261ce5ee504c17aaa8be4885e62f8e711"},"schema_version":"1.0","source":{"id":"1510.07662","kind":"arxiv","version":1}},"canonical_sha256":"1c3975dfa0d747092f6a207f2e5aaeed5a9d1c2f71535f21ac4f2f81e3d313f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c3975dfa0d747092f6a207f2e5aaeed5a9d1c2f71535f21ac4f2f81e3d313f0","first_computed_at":"2026-05-18T01:16:17.475586Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:17.475586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KGGCS9sALdYtUWw4r+0bb8paYVIgwrgMqwbjUuxc7bd0kU8Zq6QqMzmE10NV9d1LxzyXjM3i0afAGY/6eO8JCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:17.476688Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.07662","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7552416cbc662f618a2a2efefc9c045dd0780ad2ee246aedb2ef6caa1ecd0cd9","sha256:c0c3b3b882ac5191a3c7279e98dd655c7c11446bbfdaaa19e275b41889eeb237"],"state_sha256":"1bbfb64b20ad86031493c614e6a51f8f82c3f922238f2bd40972a74af100d5c1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JqYDH6wvrOs4tNNY6pV7uFpxf3MHCGC0wCxNfy6CmyxXEvxZX3ouXV7MAXQKDfAftlfyfYBLH/q0G3BBOEwdCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T16:19:21.824382Z","bundle_sha256":"dbaf0c3e64f46f58cb4caa461d7be1a282ce4db5c819d2386c369cf44b90d26e"}}