{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:ELQ5ZWCA6HO5P4PJS2XKZCTKNW","short_pith_number":"pith:ELQ5ZWCA","canonical_record":{"source":{"id":"2202.00026","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-01-31T19:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"1f1e0d6a2f15e43bf3e486d7001f662c71d8ffa4642bc9af0723519b9666e7fa","abstract_canon_sha256":"65f9d304b4a3e3a7345b77c3ad91c2d2bbbba55564dc7157c6499b628e973288"},"schema_version":"1.0"},"canonical_sha256":"22e1dcd840f1ddd7f1e996aeac8a6a6da6ba75d73b621e703558bf64e2ccc4e5","source":{"kind":"arxiv","id":"2202.00026","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.00026","created_at":"2026-07-05T04:41:31Z"},{"alias_kind":"arxiv_version","alias_value":"2202.00026v2","created_at":"2026-07-05T04:41:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.00026","created_at":"2026-07-05T04:41:31Z"},{"alias_kind":"pith_short_12","alias_value":"ELQ5ZWCA6HO5","created_at":"2026-07-05T04:41:31Z"},{"alias_kind":"pith_short_16","alias_value":"ELQ5ZWCA6HO5P4PJ","created_at":"2026-07-05T04:41:31Z"},{"alias_kind":"pith_short_8","alias_value":"ELQ5ZWCA","created_at":"2026-07-05T04:41:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:ELQ5ZWCA6HO5P4PJS2XKZCTKNW","target":"record","payload":{"canonical_record":{"source":{"id":"2202.00026","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-01-31T19:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"1f1e0d6a2f15e43bf3e486d7001f662c71d8ffa4642bc9af0723519b9666e7fa","abstract_canon_sha256":"65f9d304b4a3e3a7345b77c3ad91c2d2bbbba55564dc7157c6499b628e973288"},"schema_version":"1.0"},"canonical_sha256":"22e1dcd840f1ddd7f1e996aeac8a6a6da6ba75d73b621e703558bf64e2ccc4e5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:41:31.390057Z","signature_b64":"X1hcRMTsX7obbf6h6xUcAQLPrw5U0CAuQLC7OYEz8KPom8SANH6q5GoYJVepkY7xrE3AG98MENRdkEg2jCtNCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"22e1dcd840f1ddd7f1e996aeac8a6a6da6ba75d73b621e703558bf64e2ccc4e5","last_reissued_at":"2026-07-05T04:41:31.389518Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:41:31.389518Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2202.00026","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":"2026-07-05T04:41:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FWyo7p1an7TKhX1vufoozqGBPXOsm0jN/pc6/XCJezyhhvh7hfmwi7say9agGGB+skHoX1XLit6z7/KRYzk0AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T22:30:38.173935Z"},"content_sha256":"e91b9f03be620b9490b59d0d9b31af0b6f83a194187aaa82d7a49aceb414eed6","schema_version":"1.0","event_id":"sha256:e91b9f03be620b9490b59d0d9b31af0b6f83a194187aaa82d7a49aceb414eed6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:ELQ5ZWCA6HO5P4PJS2XKZCTKNW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Late-Time Radio Flare following a Possible Transition in Accretion State in the Tidal Disruption Event AT 2019azh","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Horesh, D. A. Green, D. R. A. Williams, I. Sfaradi, J. Bright, R. Fender, S. Schulze","submitted_at":"2022-01-31T19:00:05Z","abstract_excerpt":"We report here radio follow-up observations of the optical Tidal Disruption Event (TDE) AT 2019azh. Previously reported X-ray observations of this TDE showed variability at early times and a dramatic increase in luminosity, by a factor of $\\sim 10$, about 8 months after optical discovery. The X-ray emission is mainly dominated by intermediate hard--soft X-rays and is exceptionally soft around the X-ray peak, which is $L_X \\sim 10^{43} \\rm \\, erg \\, s^{-1}$. The high cadence $15.5$ GHz observations reported here show an early rise in radio emission followed by an approximately constant light cu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.00026","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/2202.00026/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":"2026-07-05T04:41:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z07fbsdXGlWrbHUTsR+80QxO1AMx+p6+eDBokfzI7Cd205JzdCsUPYd9i4Px0e0zOHpDE98AOnyPfQy62W1EAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T22:30:38.174610Z"},"content_sha256":"242c25bd09ccc0dccc7ddcb4bf69b4bb585024f5174c93ee6b33c4f49e1a159c","schema_version":"1.0","event_id":"sha256:242c25bd09ccc0dccc7ddcb4bf69b4bb585024f5174c93ee6b33c4f49e1a159c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ELQ5ZWCA6HO5P4PJS2XKZCTKNW/bundle.json","state_url":"https://pith.science/pith/ELQ5ZWCA6HO5P4PJS2XKZCTKNW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ELQ5ZWCA6HO5P4PJS2XKZCTKNW/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":"2026-08-03T22:30:38Z","links":{"resolver":"https://pith.science/pith/ELQ5ZWCA6HO5P4PJS2XKZCTKNW","bundle":"https://pith.science/pith/ELQ5ZWCA6HO5P4PJS2XKZCTKNW/bundle.json","state":"https://pith.science/pith/ELQ5ZWCA6HO5P4PJS2XKZCTKNW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ELQ5ZWCA6HO5P4PJS2XKZCTKNW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:ELQ5ZWCA6HO5P4PJS2XKZCTKNW","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":"65f9d304b4a3e3a7345b77c3ad91c2d2bbbba55564dc7157c6499b628e973288","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-01-31T19:00:05Z","title_canon_sha256":"1f1e0d6a2f15e43bf3e486d7001f662c71d8ffa4642bc9af0723519b9666e7fa"},"schema_version":"1.0","source":{"id":"2202.00026","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.00026","created_at":"2026-07-05T04:41:31Z"},{"alias_kind":"arxiv_version","alias_value":"2202.00026v2","created_at":"2026-07-05T04:41:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.00026","created_at":"2026-07-05T04:41:31Z"},{"alias_kind":"pith_short_12","alias_value":"ELQ5ZWCA6HO5","created_at":"2026-07-05T04:41:31Z"},{"alias_kind":"pith_short_16","alias_value":"ELQ5ZWCA6HO5P4PJ","created_at":"2026-07-05T04:41:31Z"},{"alias_kind":"pith_short_8","alias_value":"ELQ5ZWCA","created_at":"2026-07-05T04:41:31Z"}],"graph_snapshots":[{"event_id":"sha256:242c25bd09ccc0dccc7ddcb4bf69b4bb585024f5174c93ee6b33c4f49e1a159c","target":"graph","created_at":"2026-07-05T04:41:31Z","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/2202.00026/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report here radio follow-up observations of the optical Tidal Disruption Event (TDE) AT 2019azh. Previously reported X-ray observations of this TDE showed variability at early times and a dramatic increase in luminosity, by a factor of $\\sim 10$, about 8 months after optical discovery. The X-ray emission is mainly dominated by intermediate hard--soft X-rays and is exceptionally soft around the X-ray peak, which is $L_X \\sim 10^{43} \\rm \\, erg \\, s^{-1}$. The high cadence $15.5$ GHz observations reported here show an early rise in radio emission followed by an approximately constant light cu","authors_text":"A. Horesh, D. A. Green, D. R. A. Williams, I. Sfaradi, J. Bright, R. Fender, S. Schulze","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-01-31T19:00:05Z","title":"A Late-Time Radio Flare following a Possible Transition in Accretion State in the Tidal Disruption Event AT 2019azh"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.00026","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:e91b9f03be620b9490b59d0d9b31af0b6f83a194187aaa82d7a49aceb414eed6","target":"record","created_at":"2026-07-05T04:41:31Z","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":"65f9d304b4a3e3a7345b77c3ad91c2d2bbbba55564dc7157c6499b628e973288","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-01-31T19:00:05Z","title_canon_sha256":"1f1e0d6a2f15e43bf3e486d7001f662c71d8ffa4642bc9af0723519b9666e7fa"},"schema_version":"1.0","source":{"id":"2202.00026","kind":"arxiv","version":2}},"canonical_sha256":"22e1dcd840f1ddd7f1e996aeac8a6a6da6ba75d73b621e703558bf64e2ccc4e5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"22e1dcd840f1ddd7f1e996aeac8a6a6da6ba75d73b621e703558bf64e2ccc4e5","first_computed_at":"2026-07-05T04:41:31.389518Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:41:31.389518Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X1hcRMTsX7obbf6h6xUcAQLPrw5U0CAuQLC7OYEz8KPom8SANH6q5GoYJVepkY7xrE3AG98MENRdkEg2jCtNCA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:41:31.390057Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.00026","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e91b9f03be620b9490b59d0d9b31af0b6f83a194187aaa82d7a49aceb414eed6","sha256:242c25bd09ccc0dccc7ddcb4bf69b4bb585024f5174c93ee6b33c4f49e1a159c"],"state_sha256":"2754edf37b7de2c485863f8b58603019da1dbc4a7da31da5e5b5f6df5075d585"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G6ecrrrzfzNmHuG6SsgrHbr2mbUr6DI4Kn/OBNxYBcV9Rrw5aeKcO5r0DyMpIR6HAWtRGaazIg05fvqO+8GjCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T22:30:38.180393Z","bundle_sha256":"f33bb1841dac61aaec34ecc1eb808fec331e1d9aa45bfe97f26f94dc929a47ad"}}