{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:O637EU4QIL5QY7DWPOEJT3URDU","short_pith_number":"pith:O637EU4Q","canonical_record":{"source":{"id":"1701.07826","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-26T19:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"01ccdd592d3a1a01ac46c97521a5e1ed21f482b731df545f3597ef34750eb969","abstract_canon_sha256":"2d462a61fc9b9cf0ffda2e6c0442fc92385bc6f94a86fd3bce0588ab3d5aa014"},"schema_version":"1.0"},"canonical_sha256":"77b7f2539042fb0c7c767b8899ee911d13fcae7a35342648a76e8048990398e6","source":{"kind":"arxiv","id":"1701.07826","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.07826","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"arxiv_version","alias_value":"1701.07826v2","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.07826","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"pith_short_12","alias_value":"O637EU4QIL5Q","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"O637EU4QIL5QY7DW","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"O637EU4Q","created_at":"2026-05-18T12:31:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:O637EU4QIL5QY7DWPOEJT3URDU","target":"record","payload":{"canonical_record":{"source":{"id":"1701.07826","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-26T19:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"01ccdd592d3a1a01ac46c97521a5e1ed21f482b731df545f3597ef34750eb969","abstract_canon_sha256":"2d462a61fc9b9cf0ffda2e6c0442fc92385bc6f94a86fd3bce0588ab3d5aa014"},"schema_version":"1.0"},"canonical_sha256":"77b7f2539042fb0c7c767b8899ee911d13fcae7a35342648a76e8048990398e6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:43:55.299198Z","signature_b64":"2P6AXlfCTvyaz+bAYcq6+73+Mdd1x0BrpuvoNhoYEuzKseh81TyM/kbMCiOWbiG3oUpbku9BeRQejECOUDJOAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"77b7f2539042fb0c7c767b8899ee911d13fcae7a35342648a76e8048990398e6","last_reissued_at":"2026-05-18T00:43:55.298537Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:43:55.298537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.07826","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":"2026-05-18T00:43:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3aGMHPrZt+NqpLPJ8+izPtwNmMgkLeCPzcCyKvGOQjJRY5/u9695RuaOfbVbhzeOk0PIfWMc2/A3nsUD0fdRDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:25:45.398728Z"},"content_sha256":"6528769c45cca8415761bf5b02bc2a1ca3c837f20deea9e8ba7a28a1e0bc8465","schema_version":"1.0","event_id":"sha256:6528769c45cca8415761bf5b02bc2a1ca3c837f20deea9e8ba7a28a1e0bc8465"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:O637EU4QIL5QY7DWPOEJT3URDU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"TDE fallback cut-off due to a pre-existing accretion disc","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Adithan Kathirgamaraju, Dimitrios Giannios, Rodolfo Barniol Duran","submitted_at":"2017-01-26T19:00:01Z","abstract_excerpt":"Numerous tidal disruption event (TDE) candidates originating from galactic centres have been detected (e.g., by ${\\it Swift}$ and ASASSN). Some of their host galaxies show typical characteristics of a weak active galactic nucleus (AGN), indicative of a pre-existing accretion disc around the supermassive black hole (SMBH). In this work, we develop an analytic model to study how a pre-existing accretion disc affects a TDE. We assume the density of the disc $\\rho\\propto R^{-\\lambda}$, $R$ being the radial distance from the SMBH and $\\lambda$ varying between $0.5$ and $1.5$. Interactions between t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.07826","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":""},"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":"2026-05-18T00:43:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6GVvtbdSkaWbv/BL/i3R0Bpq2U6EAivDZb4sjNAkq4kNe4VCgno4YG2LF8WugQW145j8ktmXF7K2B8mt8rGdAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:25:45.399077Z"},"content_sha256":"cf00052f76d9464b2b682ed419843ed8bf1a7942577711c449519f3f26eaef67","schema_version":"1.0","event_id":"sha256:cf00052f76d9464b2b682ed419843ed8bf1a7942577711c449519f3f26eaef67"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O637EU4QIL5QY7DWPOEJT3URDU/bundle.json","state_url":"https://pith.science/pith/O637EU4QIL5QY7DWPOEJT3URDU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O637EU4QIL5QY7DWPOEJT3URDU/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":"2026-05-28T01:25:45Z","links":{"resolver":"https://pith.science/pith/O637EU4QIL5QY7DWPOEJT3URDU","bundle":"https://pith.science/pith/O637EU4QIL5QY7DWPOEJT3URDU/bundle.json","state":"https://pith.science/pith/O637EU4QIL5QY7DWPOEJT3URDU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O637EU4QIL5QY7DWPOEJT3URDU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:O637EU4QIL5QY7DWPOEJT3URDU","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":"2d462a61fc9b9cf0ffda2e6c0442fc92385bc6f94a86fd3bce0588ab3d5aa014","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-26T19:00:01Z","title_canon_sha256":"01ccdd592d3a1a01ac46c97521a5e1ed21f482b731df545f3597ef34750eb969"},"schema_version":"1.0","source":{"id":"1701.07826","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.07826","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"arxiv_version","alias_value":"1701.07826v2","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.07826","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"pith_short_12","alias_value":"O637EU4QIL5Q","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"O637EU4QIL5QY7DW","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"O637EU4Q","created_at":"2026-05-18T12:31:34Z"}],"graph_snapshots":[{"event_id":"sha256:cf00052f76d9464b2b682ed419843ed8bf1a7942577711c449519f3f26eaef67","target":"graph","created_at":"2026-05-18T00:43:55Z","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":"Numerous tidal disruption event (TDE) candidates originating from galactic centres have been detected (e.g., by ${\\it Swift}$ and ASASSN). Some of their host galaxies show typical characteristics of a weak active galactic nucleus (AGN), indicative of a pre-existing accretion disc around the supermassive black hole (SMBH). In this work, we develop an analytic model to study how a pre-existing accretion disc affects a TDE. We assume the density of the disc $\\rho\\propto R^{-\\lambda}$, $R$ being the radial distance from the SMBH and $\\lambda$ varying between $0.5$ and $1.5$. Interactions between t","authors_text":"Adithan Kathirgamaraju, Dimitrios Giannios, Rodolfo Barniol Duran","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-26T19:00:01Z","title":"TDE fallback cut-off due to a pre-existing accretion disc"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.07826","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":"sha256:6528769c45cca8415761bf5b02bc2a1ca3c837f20deea9e8ba7a28a1e0bc8465","target":"record","created_at":"2026-05-18T00:43:55Z","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":"2d462a61fc9b9cf0ffda2e6c0442fc92385bc6f94a86fd3bce0588ab3d5aa014","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-26T19:00:01Z","title_canon_sha256":"01ccdd592d3a1a01ac46c97521a5e1ed21f482b731df545f3597ef34750eb969"},"schema_version":"1.0","source":{"id":"1701.07826","kind":"arxiv","version":2}},"canonical_sha256":"77b7f2539042fb0c7c767b8899ee911d13fcae7a35342648a76e8048990398e6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"77b7f2539042fb0c7c767b8899ee911d13fcae7a35342648a76e8048990398e6","first_computed_at":"2026-05-18T00:43:55.298537Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:55.298537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2P6AXlfCTvyaz+bAYcq6+73+Mdd1x0BrpuvoNhoYEuzKseh81TyM/kbMCiOWbiG3oUpbku9BeRQejECOUDJOAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:55.299198Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.07826","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6528769c45cca8415761bf5b02bc2a1ca3c837f20deea9e8ba7a28a1e0bc8465","sha256:cf00052f76d9464b2b682ed419843ed8bf1a7942577711c449519f3f26eaef67"],"state_sha256":"f5af5ad32c437481c25e02efd2dd578ba7fe720b971e80c82b8dbe26fbf81f25"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nZeiZwT8k35Kkl57ApFIOav3ACpV53k626ZH34nga8w7Qu0lsJQP0Cai+mD2Hzcmg7WbY/eg2dI0IlG532WhBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T01:25:45.401103Z","bundle_sha256":"23dc4171626c4bdc6f38834ca8710d9a2b61409a4ecd4fc76618968b4dd4da59"}}