{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:YF6WVI4THFWTSMB53N2ZS62CAW","short_pith_number":"pith:YF6WVI4T","canonical_record":{"source":{"id":"2011.10590","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-11-20T19:00:35Z","cross_cats_sorted":[],"title_canon_sha256":"266df25c8aba624bd97bcc07530e7f44ef11b0de8d6173dd28674e2b9cb49cab","abstract_canon_sha256":"55b31664fcfcc8b2b1baa8a6ae98245ed68b9cecef04bfc12b32946bfb9568ae"},"schema_version":"1.0"},"canonical_sha256":"c17d6aa393396d39303ddb75997b4205bd76551a942294e14133a92eb67803be","source":{"kind":"arxiv","id":"2011.10590","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.10590","created_at":"2026-07-05T02:23:49Z"},{"alias_kind":"arxiv_version","alias_value":"2011.10590v2","created_at":"2026-07-05T02:23:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.10590","created_at":"2026-07-05T02:23:49Z"},{"alias_kind":"pith_short_12","alias_value":"YF6WVI4THFWT","created_at":"2026-07-05T02:23:49Z"},{"alias_kind":"pith_short_16","alias_value":"YF6WVI4THFWTSMB5","created_at":"2026-07-05T02:23:49Z"},{"alias_kind":"pith_short_8","alias_value":"YF6WVI4T","created_at":"2026-07-05T02:23:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:YF6WVI4THFWTSMB53N2ZS62CAW","target":"record","payload":{"canonical_record":{"source":{"id":"2011.10590","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-11-20T19:00:35Z","cross_cats_sorted":[],"title_canon_sha256":"266df25c8aba624bd97bcc07530e7f44ef11b0de8d6173dd28674e2b9cb49cab","abstract_canon_sha256":"55b31664fcfcc8b2b1baa8a6ae98245ed68b9cecef04bfc12b32946bfb9568ae"},"schema_version":"1.0"},"canonical_sha256":"c17d6aa393396d39303ddb75997b4205bd76551a942294e14133a92eb67803be","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:23:49.616843Z","signature_b64":"zSWZDq/y6qld8w4zkfrUIDd2tx/0nlvbgUwkP9/WugM0UJBRtTIBjKfcpUs0UvW/uS1PZZU1PLC1k07KITfRCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c17d6aa393396d39303ddb75997b4205bd76551a942294e14133a92eb67803be","last_reissued_at":"2026-07-05T02:23:49.616400Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:23:49.616400Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2011.10590","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:23:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p9pm3db12/yY3JcqxK/nnTlLssQzg6ErJAAmpofzkp2B+YHtQNjHv1BDzCtn4Ii/BxizIM7uNjjCiTSjxyNQDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T01:00:09.100991Z"},"content_sha256":"4e6a75d8395a4425ced72b3dcf8d5d539cea3b7db57f030ce69963df1b43214b","schema_version":"1.0","event_id":"sha256:4e6a75d8395a4425ced72b3dcf8d5d539cea3b7db57f030ce69963df1b43214b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:YF6WVI4THFWTSMB53N2ZS62CAW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The luminous red nova variety: AT 2020hat and AT 2020kog","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Fiore, A. Morales-Garoffolo, A. Pastorello, A. Reguitti, A. Rest, D. E. Reichart, D. Jones, D. J. Sand, E. Cappellaro, E. Kankare, E. Karamehmetoglu, G. Valerin, J. E. Andrews, J. Jencson, K. C. Chambers, K. W. Smith, M. D. Stritzinger, M. E. Huber, M. Fraser, M. Lundquist, N. Elias-Rosa, P. A. Mazzali, P. Lundqvist, R. C. Amaro, R. Wainscoat, S. C. Williams, S. Holmbo, S. J. Smartt, S. Srivastav, S. Valenti, S. Wyatt, T. J. L. de Boer, T. M. Reynolds, Y. Dong, Y.-Z. Cai","submitted_at":"2020-11-20T19:00:35Z","abstract_excerpt":"We present the results of our monitoring campaigns of the luminous red novae (LRNe) AT 2020hat in NGC 5068 and AT 2020kog in NGC 6106. The two objects were imaged (and detected) before their discovery by routine survey operations. They show a general trend of slow luminosity rise, lasting at least a few months. The subsequent major LRN outbursts were extensively followed in photometry and spectroscopy. The light curves present an initial short-duration peak, followed by a redder plateau phase. AT 2020kog is a moderately luminous event peaking at ~7 x 10^40 erg/s, while AT 2020hat is almost one"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.10590","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2011.10590/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":"2026-07-05T02:23:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RsjTk0E41HGBmTcaMrc0JQnDq9UhjHQaECSamsEfc1YPIWA3FqTsJqnyLxbyocb4zKa+EMVz/tfs6Tlh1EBfAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T01:00:09.101373Z"},"content_sha256":"87c0bdaafa0d5e5182d452049a6d9053675b8e4a3d1bffcd8b49455bfccb3607","schema_version":"1.0","event_id":"sha256:87c0bdaafa0d5e5182d452049a6d9053675b8e4a3d1bffcd8b49455bfccb3607"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YF6WVI4THFWTSMB53N2ZS62CAW/bundle.json","state_url":"https://pith.science/pith/YF6WVI4THFWTSMB53N2ZS62CAW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YF6WVI4THFWTSMB53N2ZS62CAW/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":"2026-08-04T01:00:09Z","links":{"resolver":"https://pith.science/pith/YF6WVI4THFWTSMB53N2ZS62CAW","bundle":"https://pith.science/pith/YF6WVI4THFWTSMB53N2ZS62CAW/bundle.json","state":"https://pith.science/pith/YF6WVI4THFWTSMB53N2ZS62CAW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YF6WVI4THFWTSMB53N2ZS62CAW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:YF6WVI4THFWTSMB53N2ZS62CAW","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":"55b31664fcfcc8b2b1baa8a6ae98245ed68b9cecef04bfc12b32946bfb9568ae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-11-20T19:00:35Z","title_canon_sha256":"266df25c8aba624bd97bcc07530e7f44ef11b0de8d6173dd28674e2b9cb49cab"},"schema_version":"1.0","source":{"id":"2011.10590","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.10590","created_at":"2026-07-05T02:23:49Z"},{"alias_kind":"arxiv_version","alias_value":"2011.10590v2","created_at":"2026-07-05T02:23:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.10590","created_at":"2026-07-05T02:23:49Z"},{"alias_kind":"pith_short_12","alias_value":"YF6WVI4THFWT","created_at":"2026-07-05T02:23:49Z"},{"alias_kind":"pith_short_16","alias_value":"YF6WVI4THFWTSMB5","created_at":"2026-07-05T02:23:49Z"},{"alias_kind":"pith_short_8","alias_value":"YF6WVI4T","created_at":"2026-07-05T02:23:49Z"}],"graph_snapshots":[{"event_id":"sha256:87c0bdaafa0d5e5182d452049a6d9053675b8e4a3d1bffcd8b49455bfccb3607","target":"graph","created_at":"2026-07-05T02:23:49Z","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/2011.10590/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the results of our monitoring campaigns of the luminous red novae (LRNe) AT 2020hat in NGC 5068 and AT 2020kog in NGC 6106. The two objects were imaged (and detected) before their discovery by routine survey operations. They show a general trend of slow luminosity rise, lasting at least a few months. The subsequent major LRN outbursts were extensively followed in photometry and spectroscopy. The light curves present an initial short-duration peak, followed by a redder plateau phase. AT 2020kog is a moderately luminous event peaking at ~7 x 10^40 erg/s, while AT 2020hat is almost one","authors_text":"A. Fiore, A. Morales-Garoffolo, A. Pastorello, A. Reguitti, A. Rest, D. E. Reichart, D. Jones, D. J. Sand, E. Cappellaro, E. Kankare, E. Karamehmetoglu, G. Valerin, J. E. Andrews, J. Jencson, K. C. Chambers, K. W. Smith, M. D. Stritzinger, M. E. Huber, M. Fraser, M. Lundquist, N. Elias-Rosa, P. A. Mazzali, P. Lundqvist, R. C. Amaro, R. Wainscoat, S. C. Williams, S. Holmbo, S. J. Smartt, S. Srivastav, S. Valenti, S. Wyatt, T. J. L. de Boer, T. M. Reynolds, Y. Dong, Y.-Z. Cai","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-11-20T19:00:35Z","title":"The luminous red nova variety: AT 2020hat and AT 2020kog"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.10590","kind":"arxiv","version":2},"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":"sha256:4e6a75d8395a4425ced72b3dcf8d5d539cea3b7db57f030ce69963df1b43214b","target":"record","created_at":"2026-07-05T02:23:49Z","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":"55b31664fcfcc8b2b1baa8a6ae98245ed68b9cecef04bfc12b32946bfb9568ae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-11-20T19:00:35Z","title_canon_sha256":"266df25c8aba624bd97bcc07530e7f44ef11b0de8d6173dd28674e2b9cb49cab"},"schema_version":"1.0","source":{"id":"2011.10590","kind":"arxiv","version":2}},"canonical_sha256":"c17d6aa393396d39303ddb75997b4205bd76551a942294e14133a92eb67803be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c17d6aa393396d39303ddb75997b4205bd76551a942294e14133a92eb67803be","first_computed_at":"2026-07-05T02:23:49.616400Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:23:49.616400Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zSWZDq/y6qld8w4zkfrUIDd2tx/0nlvbgUwkP9/WugM0UJBRtTIBjKfcpUs0UvW/uS1PZZU1PLC1k07KITfRCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:23:49.616843Z","signed_message":"canonical_sha256_bytes"},"source_id":"2011.10590","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4e6a75d8395a4425ced72b3dcf8d5d539cea3b7db57f030ce69963df1b43214b","sha256:87c0bdaafa0d5e5182d452049a6d9053675b8e4a3d1bffcd8b49455bfccb3607"],"state_sha256":"80122ac2aeb83f418e43141a8e77c45a7fd881bf934ab5362907055dac61fd91"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mKgEo1m5XJFqFwXQVa1gb9ppiTuq2TxcX/2FILWJBugsxaMxFxpP0bn6f8cMQKPREF2SY4ap55kF7V4x0d4fBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T01:00:09.103704Z","bundle_sha256":"7ce3282457384debe834ee442eb67cf93fd5b183a4a14fbf25266d674d948cc4"}}