{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:7KDHWXHUTB5W3HFBBN3RQPNDGS","short_pith_number":"pith:7KDHWXHU","canonical_record":{"source":{"id":"1408.1091","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-08-05T20:00:04Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"4f89f98f552f2166288ee0fb2a5aaf22ec997ff060df806fe2c165833f62d9ef","abstract_canon_sha256":"1f46b592f4b8a713f34051e8fa5cb547b44c08cea3bdeb09a05958a308de530b"},"schema_version":"1.0"},"canonical_sha256":"fa867b5cf4987b6d9ca10b77183da33484c9c6472a7b3f131739ddc66d315a56","source":{"kind":"arxiv","id":"1408.1091","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.1091","created_at":"2026-05-18T01:42:23Z"},{"alias_kind":"arxiv_version","alias_value":"1408.1091v1","created_at":"2026-05-18T01:42:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.1091","created_at":"2026-05-18T01:42:23Z"},{"alias_kind":"pith_short_12","alias_value":"7KDHWXHUTB5W","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"7KDHWXHUTB5W3HFB","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"7KDHWXHU","created_at":"2026-05-18T12:28:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:7KDHWXHUTB5W3HFBBN3RQPNDGS","target":"record","payload":{"canonical_record":{"source":{"id":"1408.1091","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-08-05T20:00:04Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"4f89f98f552f2166288ee0fb2a5aaf22ec997ff060df806fe2c165833f62d9ef","abstract_canon_sha256":"1f46b592f4b8a713f34051e8fa5cb547b44c08cea3bdeb09a05958a308de530b"},"schema_version":"1.0"},"canonical_sha256":"fa867b5cf4987b6d9ca10b77183da33484c9c6472a7b3f131739ddc66d315a56","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:23.569008Z","signature_b64":"kiLFhsPjTlKJREEIQOsXThILb3C9+5Vg2STJChFfcBxxUUW5kKMbpQBcr3V+klnxHCWJuwhYtzeZXzqrXawGCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fa867b5cf4987b6d9ca10b77183da33484c9c6472a7b3f131739ddc66d315a56","last_reissued_at":"2026-05-18T01:42:23.568346Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:23.568346Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.1091","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":"2026-05-18T01:42:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bN03Ax2YrZcJNkVa9vN2AZx9VzWlCLpOunslmZkJxHt2LaQH8/cXqeP6oOc+lSte6HO4M9zA2AscwCADUyYeAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:58:29.424211Z"},"content_sha256":"4cfc42c4da8090f9403815761fb59c821f4d62e7c3c51599e4285e695902df61","schema_version":"1.0","event_id":"sha256:4cfc42c4da8090f9403815761fb59c821f4d62e7c3c51599e4285e695902df61"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:7KDHWXHUTB5W3HFBBN3RQPNDGS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Possible Detection of the Stellar Donor or Remnant for the Type Iax Supernova 2008ha","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Armin Rest, Curtis McCully, Gautham Narayan, Lars Bildsten, Maximilian D. Stritzinger, Ryan J. Foley, Saurabh W. Jha, Wen-fai Fong","submitted_at":"2014-08-05T20:00:04Z","abstract_excerpt":"Type Iax supernovae (SNe Iax) are thermonuclear explosions that are related to SNe Ia, but are physically distinct. The most important differences are that SNe Iax have significantly lower luminosity (1% - 50% that of typical SNe Ia), lower ejecta mass (~0.1 - 0.5 M_sun), and may leave a bound remnant. The most extreme SN Iax is SN 2008ha, which peaked at M_V = -14.2 mag, about 5 mag below that of typical SNe Ia. Here, we present Hubble Space Telescope (HST) images of UGC 12682, the host galaxy of SN 2008ha, taken 4.1 years after the peak brightness of SN 2008ha. In these deep, high-resolution"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.1091","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":"2026-05-18T01:42:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RFEmDVF+jLytg8HTXHLMaTZYMBsTGNUVD8+mE5rmeQ5fME27JkQLvvlTZ+JkTCW7L2wckXahg6Bk4AoGKMKlBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:58:29.424659Z"},"content_sha256":"2cbdb4427f5ab84d40563f3cbc756deb34797b8a1c6d9b16ca1e547e89c63d06","schema_version":"1.0","event_id":"sha256:2cbdb4427f5ab84d40563f3cbc756deb34797b8a1c6d9b16ca1e547e89c63d06"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7KDHWXHUTB5W3HFBBN3RQPNDGS/bundle.json","state_url":"https://pith.science/pith/7KDHWXHUTB5W3HFBBN3RQPNDGS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7KDHWXHUTB5W3HFBBN3RQPNDGS/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":"2026-05-27T05:58:29Z","links":{"resolver":"https://pith.science/pith/7KDHWXHUTB5W3HFBBN3RQPNDGS","bundle":"https://pith.science/pith/7KDHWXHUTB5W3HFBBN3RQPNDGS/bundle.json","state":"https://pith.science/pith/7KDHWXHUTB5W3HFBBN3RQPNDGS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7KDHWXHUTB5W3HFBBN3RQPNDGS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:7KDHWXHUTB5W3HFBBN3RQPNDGS","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":"1f46b592f4b8a713f34051e8fa5cb547b44c08cea3bdeb09a05958a308de530b","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-08-05T20:00:04Z","title_canon_sha256":"4f89f98f552f2166288ee0fb2a5aaf22ec997ff060df806fe2c165833f62d9ef"},"schema_version":"1.0","source":{"id":"1408.1091","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.1091","created_at":"2026-05-18T01:42:23Z"},{"alias_kind":"arxiv_version","alias_value":"1408.1091v1","created_at":"2026-05-18T01:42:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.1091","created_at":"2026-05-18T01:42:23Z"},{"alias_kind":"pith_short_12","alias_value":"7KDHWXHUTB5W","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"7KDHWXHUTB5W3HFB","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"7KDHWXHU","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:2cbdb4427f5ab84d40563f3cbc756deb34797b8a1c6d9b16ca1e547e89c63d06","target":"graph","created_at":"2026-05-18T01:42:23Z","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":"Type Iax supernovae (SNe Iax) are thermonuclear explosions that are related to SNe Ia, but are physically distinct. The most important differences are that SNe Iax have significantly lower luminosity (1% - 50% that of typical SNe Ia), lower ejecta mass (~0.1 - 0.5 M_sun), and may leave a bound remnant. The most extreme SN Iax is SN 2008ha, which peaked at M_V = -14.2 mag, about 5 mag below that of typical SNe Ia. Here, we present Hubble Space Telescope (HST) images of UGC 12682, the host galaxy of SN 2008ha, taken 4.1 years after the peak brightness of SN 2008ha. In these deep, high-resolution","authors_text":"Armin Rest, Curtis McCully, Gautham Narayan, Lars Bildsten, Maximilian D. Stritzinger, Ryan J. Foley, Saurabh W. Jha, Wen-fai Fong","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-08-05T20:00:04Z","title":"Possible Detection of the Stellar Donor or Remnant for the Type Iax Supernova 2008ha"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.1091","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":"sha256:4cfc42c4da8090f9403815761fb59c821f4d62e7c3c51599e4285e695902df61","target":"record","created_at":"2026-05-18T01:42:23Z","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":"1f46b592f4b8a713f34051e8fa5cb547b44c08cea3bdeb09a05958a308de530b","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-08-05T20:00:04Z","title_canon_sha256":"4f89f98f552f2166288ee0fb2a5aaf22ec997ff060df806fe2c165833f62d9ef"},"schema_version":"1.0","source":{"id":"1408.1091","kind":"arxiv","version":1}},"canonical_sha256":"fa867b5cf4987b6d9ca10b77183da33484c9c6472a7b3f131739ddc66d315a56","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fa867b5cf4987b6d9ca10b77183da33484c9c6472a7b3f131739ddc66d315a56","first_computed_at":"2026-05-18T01:42:23.568346Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:23.568346Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kiLFhsPjTlKJREEIQOsXThILb3C9+5Vg2STJChFfcBxxUUW5kKMbpQBcr3V+klnxHCWJuwhYtzeZXzqrXawGCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:23.569008Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.1091","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4cfc42c4da8090f9403815761fb59c821f4d62e7c3c51599e4285e695902df61","sha256:2cbdb4427f5ab84d40563f3cbc756deb34797b8a1c6d9b16ca1e547e89c63d06"],"state_sha256":"a9c34021c106c497486b970b9fa20f663274c5c9b5a1dbd3186fd6e381f870a3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UDuMsEvH4pM9R42r7rNkaH13htAxohVgDNjt6AVYbqjH+GHRc1rvWLqbmAWagvWEUyHaiXsZ07n6hBTGZ8AxCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T05:58:29.427203Z","bundle_sha256":"d4e40a956eee8145d1a8d6d4f5a9e94f04fefbc4db0ab9f370d64f0c14882edb"}}