{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:DKORQ2AKOJQAFG2WBF3NTCVI4F","short_pith_number":"pith:DKORQ2AK","canonical_record":{"source":{"id":"2211.06834","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-11-13T06:43:45Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"ccca8b618495e25549567b234ccfbade2fe5896194777b39719279d97e6dd121","abstract_canon_sha256":"1625c1385e98ce1a3cb63fbb7ec85aabedc3121f165dda610f697d7781aaf102"},"schema_version":"1.0"},"canonical_sha256":"1a9d18680a7260029b560976d98aa8e1671bea3df9c1b19e8cce9af1ffab823d","source":{"kind":"arxiv","id":"2211.06834","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.06834","created_at":"2026-07-05T05:15:46Z"},{"alias_kind":"arxiv_version","alias_value":"2211.06834v1","created_at":"2026-07-05T05:15:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.06834","created_at":"2026-07-05T05:15:46Z"},{"alias_kind":"pith_short_12","alias_value":"DKORQ2AKOJQA","created_at":"2026-07-05T05:15:46Z"},{"alias_kind":"pith_short_16","alias_value":"DKORQ2AKOJQAFG2W","created_at":"2026-07-05T05:15:46Z"},{"alias_kind":"pith_short_8","alias_value":"DKORQ2AK","created_at":"2026-07-05T05:15:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:DKORQ2AKOJQAFG2WBF3NTCVI4F","target":"record","payload":{"canonical_record":{"source":{"id":"2211.06834","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-11-13T06:43:45Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"ccca8b618495e25549567b234ccfbade2fe5896194777b39719279d97e6dd121","abstract_canon_sha256":"1625c1385e98ce1a3cb63fbb7ec85aabedc3121f165dda610f697d7781aaf102"},"schema_version":"1.0"},"canonical_sha256":"1a9d18680a7260029b560976d98aa8e1671bea3df9c1b19e8cce9af1ffab823d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:15:46.065514Z","signature_b64":"GC+x74mb47WsaQOXrJbttAGvSS8cnGAPqIhoSCXkHGTrcpqpznfWp+MUO3JgYsoSgFNVGfZzT2KwNA4DcNaKAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1a9d18680a7260029b560976d98aa8e1671bea3df9c1b19e8cce9af1ffab823d","last_reissued_at":"2026-07-05T05:15:46.065087Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:15:46.065087Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2211.06834","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":"2026-07-05T05:15:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6GYz6aoCsy+dMRIY+cH6yeESc4LYZL061v+5cnrWlblh0swJWxSSPQnHNwu7deXQGeygeW489vguZCD1AsF2Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T03:40:43.257303Z"},"content_sha256":"bb8260e34f1dbd61a7bdd53b4bd4e172890cc74fd48b59040bda9464636c20ca","schema_version":"1.0","event_id":"sha256:bb8260e34f1dbd61a7bdd53b4bd4e172890cc74fd48b59040bda9464636c20ca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:DKORQ2AKOJQAFG2WBF3NTCVI4F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"M31N 2017-01e: Discovery of a Previous Eruption in this Enigmatic Recurrent Nova","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Allen W. Shafter, Jingyuan Zhao, Kamil Hornoch, Kenta Taguchi","submitted_at":"2022-11-13T06:43:45Z","abstract_excerpt":"We report the discovery of a previously unknown eruption of the recurrent nova M31N 2017-01e that took place on 11 January 2012. The earlier eruption was detected by Pan-STARRS and occurred 1847 days (5.06 yr) prior to the eruption on 31 January 2017 (M31N 2017-01e). The nova has now been seen to have had a total of four recorded eruptions (M31N 2012-01c, 2017-01e, 2019-09d, and 2022-03d) with a mean time between outbursts of just $929.5\\pm6.8$ days ($2.545\\pm0.019$ yr), the second shortest recurrence time known for any nova. We also show that there is a blue variable source ($\\langle V \\rangl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.06834","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2211.06834/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T05:15:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HCLr7RUYBAuu4oefnu7kVT+Mw5CF1LKgq0wUUI8vfPVm7Vb1ru9QZQk9RRdtuJfuMAxbfsm2zoIHjBdll1nRCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T03:40:43.258387Z"},"content_sha256":"79dddf81674bd830b50fdf7da8b8e10fa6862f40ba6cd8726d59dd890861f913","schema_version":"1.0","event_id":"sha256:79dddf81674bd830b50fdf7da8b8e10fa6862f40ba6cd8726d59dd890861f913"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DKORQ2AKOJQAFG2WBF3NTCVI4F/bundle.json","state_url":"https://pith.science/pith/DKORQ2AKOJQAFG2WBF3NTCVI4F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DKORQ2AKOJQAFG2WBF3NTCVI4F/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":"2026-08-13T03:40:43Z","links":{"resolver":"https://pith.science/pith/DKORQ2AKOJQAFG2WBF3NTCVI4F","bundle":"https://pith.science/pith/DKORQ2AKOJQAFG2WBF3NTCVI4F/bundle.json","state":"https://pith.science/pith/DKORQ2AKOJQAFG2WBF3NTCVI4F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DKORQ2AKOJQAFG2WBF3NTCVI4F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:DKORQ2AKOJQAFG2WBF3NTCVI4F","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":"1625c1385e98ce1a3cb63fbb7ec85aabedc3121f165dda610f697d7781aaf102","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-11-13T06:43:45Z","title_canon_sha256":"ccca8b618495e25549567b234ccfbade2fe5896194777b39719279d97e6dd121"},"schema_version":"1.0","source":{"id":"2211.06834","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.06834","created_at":"2026-07-05T05:15:46Z"},{"alias_kind":"arxiv_version","alias_value":"2211.06834v1","created_at":"2026-07-05T05:15:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.06834","created_at":"2026-07-05T05:15:46Z"},{"alias_kind":"pith_short_12","alias_value":"DKORQ2AKOJQA","created_at":"2026-07-05T05:15:46Z"},{"alias_kind":"pith_short_16","alias_value":"DKORQ2AKOJQAFG2W","created_at":"2026-07-05T05:15:46Z"},{"alias_kind":"pith_short_8","alias_value":"DKORQ2AK","created_at":"2026-07-05T05:15:46Z"}],"graph_snapshots":[{"event_id":"sha256:79dddf81674bd830b50fdf7da8b8e10fa6862f40ba6cd8726d59dd890861f913","target":"graph","created_at":"2026-07-05T05:15:46Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2211.06834/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report the discovery of a previously unknown eruption of the recurrent nova M31N 2017-01e that took place on 11 January 2012. The earlier eruption was detected by Pan-STARRS and occurred 1847 days (5.06 yr) prior to the eruption on 31 January 2017 (M31N 2017-01e). The nova has now been seen to have had a total of four recorded eruptions (M31N 2012-01c, 2017-01e, 2019-09d, and 2022-03d) with a mean time between outbursts of just $929.5\\pm6.8$ days ($2.545\\pm0.019$ yr), the second shortest recurrence time known for any nova. We also show that there is a blue variable source ($\\langle V \\rangl","authors_text":"Allen W. Shafter, Jingyuan Zhao, Kamil Hornoch, Kenta Taguchi","cross_cats":["astro-ph.GA","astro-ph.HE"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-11-13T06:43:45Z","title":"M31N 2017-01e: Discovery of a Previous Eruption in this Enigmatic Recurrent Nova"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.06834","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:bb8260e34f1dbd61a7bdd53b4bd4e172890cc74fd48b59040bda9464636c20ca","target":"record","created_at":"2026-07-05T05:15:46Z","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":"1625c1385e98ce1a3cb63fbb7ec85aabedc3121f165dda610f697d7781aaf102","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-11-13T06:43:45Z","title_canon_sha256":"ccca8b618495e25549567b234ccfbade2fe5896194777b39719279d97e6dd121"},"schema_version":"1.0","source":{"id":"2211.06834","kind":"arxiv","version":1}},"canonical_sha256":"1a9d18680a7260029b560976d98aa8e1671bea3df9c1b19e8cce9af1ffab823d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1a9d18680a7260029b560976d98aa8e1671bea3df9c1b19e8cce9af1ffab823d","first_computed_at":"2026-07-05T05:15:46.065087Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:15:46.065087Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GC+x74mb47WsaQOXrJbttAGvSS8cnGAPqIhoSCXkHGTrcpqpznfWp+MUO3JgYsoSgFNVGfZzT2KwNA4DcNaKAw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:15:46.065514Z","signed_message":"canonical_sha256_bytes"},"source_id":"2211.06834","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bb8260e34f1dbd61a7bdd53b4bd4e172890cc74fd48b59040bda9464636c20ca","sha256:79dddf81674bd830b50fdf7da8b8e10fa6862f40ba6cd8726d59dd890861f913"],"state_sha256":"96ea19f221e60bf94bd09be73076728f0c22a401e41288cb325ee71aa8d5711b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P1wSSjm4trXt7lKpJxXgVA+Q97Dnb0BSmGzpv2schHBDWZ7hxZJvZK93aY3XQGAjoKxH4IX1/bPiWu9o3SYeCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T03:40:43.327224Z","bundle_sha256":"558b6efa9f0f0efb4a08f9b931d69925cccb75a154fb8dbdb3232166218d97ce"}}