{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:3HN4PTSTFNZR5XH5C5PUOYB2F5","short_pith_number":"pith:3HN4PTST","canonical_record":{"source":{"id":"2003.02863","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-03-05T19:03:34Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"632ec5ff584ae56ec3ee67b6c8187b8c8b57ea9a51797087ea0fb0991a4e198b","abstract_canon_sha256":"43f00af8803d7d0934acd8d7ddb70f74e5631a71a80aff8ad7ad307f85496730"},"schema_version":"1.0"},"canonical_sha256":"d9dbc7ce532b731edcfd175f47603a2f54368f8f2cb1a235a166d8d776cd8cfe","source":{"kind":"arxiv","id":"2003.02863","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.02863","created_at":"2026-07-05T00:49:27Z"},{"alias_kind":"arxiv_version","alias_value":"2003.02863v1","created_at":"2026-07-05T00:49:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.02863","created_at":"2026-07-05T00:49:27Z"},{"alias_kind":"pith_short_12","alias_value":"3HN4PTSTFNZR","created_at":"2026-07-05T00:49:27Z"},{"alias_kind":"pith_short_16","alias_value":"3HN4PTSTFNZR5XH5","created_at":"2026-07-05T00:49:27Z"},{"alias_kind":"pith_short_8","alias_value":"3HN4PTST","created_at":"2026-07-05T00:49:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:3HN4PTSTFNZR5XH5C5PUOYB2F5","target":"record","payload":{"canonical_record":{"source":{"id":"2003.02863","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-03-05T19:03:34Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"632ec5ff584ae56ec3ee67b6c8187b8c8b57ea9a51797087ea0fb0991a4e198b","abstract_canon_sha256":"43f00af8803d7d0934acd8d7ddb70f74e5631a71a80aff8ad7ad307f85496730"},"schema_version":"1.0"},"canonical_sha256":"d9dbc7ce532b731edcfd175f47603a2f54368f8f2cb1a235a166d8d776cd8cfe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:49:27.080211Z","signature_b64":"y1Wp2RqrZJWRd08CCacAKSyns8vfS4ss/LMIIhV5dI/SehDau1/VIhX9vJ5n/w8k/39FrbNXD34lelV1CwXiBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d9dbc7ce532b731edcfd175f47603a2f54368f8f2cb1a235a166d8d776cd8cfe","last_reissued_at":"2026-07-05T00:49:27.079708Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:49:27.079708Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2003.02863","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":"2026-07-05T00:49:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IlfBnS7UAC1v9Ey8YSiJA7diZqbLvuT/Wklrh2pGrcZtqFa34Z/SH1zr5bUKyiMn+P3cyU3kAfNIK/nBZ6/sAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T08:31:55.258640Z"},"content_sha256":"7b24ce80905a4f8e5bdfb0e1cc050c5230c42809077f03b4fe97fe4c699e38d4","schema_version":"1.0","event_id":"sha256:7b24ce80905a4f8e5bdfb0e1cc050c5230c42809077f03b4fe97fe4c699e38d4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:3HN4PTSTFNZR5XH5C5PUOYB2F5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Host Galaxies of Tidal Disruption Events","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Ann I. Zabludoff (5) ((1) Carnegie Observatories (2) IoA University of Cambridge (3) UC Santa Cruz (4) Harvard-Smithsonian CfA (5) Steward Observatory University of Arizona), Jamie Law-Smith (3), K. Decker French (1), Or Graur (4), Thomas Wevers (2)","submitted_at":"2020-03-05T19:03:34Z","abstract_excerpt":"Recent studies of Tidal Disruption Events (TDEs) have revealed unexpected correlations between the TDE rate and the large-scale properties of the host galaxies. In this review, we present the host galaxy properties of all TDE candidates known to date and quantify their distributions. We consider throughout the differences between observationally-identified types of TDEs and differences from spectroscopic control samples of galaxies. We focus here on the black hole and stellar masses of TDE host galaxies, their star formation histories and stellar populations, the concentration and morphology o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.02863","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/2003.02863/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":"2026-07-05T00:49:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fLSMB9ahHI3tUejaq/yZd847DFp/awz+X3gZqzYm14Tks/MzenFmpq21fz9l5wqbanXBMprWCr4/P4iexlJtBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T08:31:55.259273Z"},"content_sha256":"8ba330fca6cf739e0ca835f569813c03af5f8f71c81e74c9364a77cc2e842782","schema_version":"1.0","event_id":"sha256:8ba330fca6cf739e0ca835f569813c03af5f8f71c81e74c9364a77cc2e842782"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3HN4PTSTFNZR5XH5C5PUOYB2F5/bundle.json","state_url":"https://pith.science/pith/3HN4PTSTFNZR5XH5C5PUOYB2F5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3HN4PTSTFNZR5XH5C5PUOYB2F5/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":"2026-08-03T08:31:55Z","links":{"resolver":"https://pith.science/pith/3HN4PTSTFNZR5XH5C5PUOYB2F5","bundle":"https://pith.science/pith/3HN4PTSTFNZR5XH5C5PUOYB2F5/bundle.json","state":"https://pith.science/pith/3HN4PTSTFNZR5XH5C5PUOYB2F5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3HN4PTSTFNZR5XH5C5PUOYB2F5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:3HN4PTSTFNZR5XH5C5PUOYB2F5","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":"43f00af8803d7d0934acd8d7ddb70f74e5631a71a80aff8ad7ad307f85496730","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-03-05T19:03:34Z","title_canon_sha256":"632ec5ff584ae56ec3ee67b6c8187b8c8b57ea9a51797087ea0fb0991a4e198b"},"schema_version":"1.0","source":{"id":"2003.02863","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.02863","created_at":"2026-07-05T00:49:27Z"},{"alias_kind":"arxiv_version","alias_value":"2003.02863v1","created_at":"2026-07-05T00:49:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.02863","created_at":"2026-07-05T00:49:27Z"},{"alias_kind":"pith_short_12","alias_value":"3HN4PTSTFNZR","created_at":"2026-07-05T00:49:27Z"},{"alias_kind":"pith_short_16","alias_value":"3HN4PTSTFNZR5XH5","created_at":"2026-07-05T00:49:27Z"},{"alias_kind":"pith_short_8","alias_value":"3HN4PTST","created_at":"2026-07-05T00:49:27Z"}],"graph_snapshots":[{"event_id":"sha256:8ba330fca6cf739e0ca835f569813c03af5f8f71c81e74c9364a77cc2e842782","target":"graph","created_at":"2026-07-05T00:49:27Z","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/2003.02863/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent studies of Tidal Disruption Events (TDEs) have revealed unexpected correlations between the TDE rate and the large-scale properties of the host galaxies. In this review, we present the host galaxy properties of all TDE candidates known to date and quantify their distributions. We consider throughout the differences between observationally-identified types of TDEs and differences from spectroscopic control samples of galaxies. We focus here on the black hole and stellar masses of TDE host galaxies, their star formation histories and stellar populations, the concentration and morphology o","authors_text":"Ann I. Zabludoff (5) ((1) Carnegie Observatories (2) IoA University of Cambridge (3) UC Santa Cruz (4) Harvard-Smithsonian CfA (5) Steward Observatory University of Arizona), Jamie Law-Smith (3), K. Decker French (1), Or Graur (4), Thomas Wevers (2)","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-03-05T19:03:34Z","title":"The Host Galaxies of Tidal Disruption Events"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.02863","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":"sha256:7b24ce80905a4f8e5bdfb0e1cc050c5230c42809077f03b4fe97fe4c699e38d4","target":"record","created_at":"2026-07-05T00:49:27Z","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":"43f00af8803d7d0934acd8d7ddb70f74e5631a71a80aff8ad7ad307f85496730","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-03-05T19:03:34Z","title_canon_sha256":"632ec5ff584ae56ec3ee67b6c8187b8c8b57ea9a51797087ea0fb0991a4e198b"},"schema_version":"1.0","source":{"id":"2003.02863","kind":"arxiv","version":1}},"canonical_sha256":"d9dbc7ce532b731edcfd175f47603a2f54368f8f2cb1a235a166d8d776cd8cfe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d9dbc7ce532b731edcfd175f47603a2f54368f8f2cb1a235a166d8d776cd8cfe","first_computed_at":"2026-07-05T00:49:27.079708Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:49:27.079708Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y1Wp2RqrZJWRd08CCacAKSyns8vfS4ss/LMIIhV5dI/SehDau1/VIhX9vJ5n/w8k/39FrbNXD34lelV1CwXiBg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:49:27.080211Z","signed_message":"canonical_sha256_bytes"},"source_id":"2003.02863","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7b24ce80905a4f8e5bdfb0e1cc050c5230c42809077f03b4fe97fe4c699e38d4","sha256:8ba330fca6cf739e0ca835f569813c03af5f8f71c81e74c9364a77cc2e842782"],"state_sha256":"69b702a328e6f1f0bee1918b50b125b9c26f0bcb6fa2b9da4481df6c5d7262b2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WDF9sVbmdHuP/Fm3yIJ3BsK9aNsHTBjghQywvABpFGHyMRlc55xLwIdjj2hhPxNE79aPhBIo12mhtIhBSrZDAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T08:31:55.265712Z","bundle_sha256":"70d980b575157b988166eb70a6e98634cad5748686aa598b736b976110a9dc08"}}