{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:5C4K74SRDDXBZ5DAL2G7YEILQ4","short_pith_number":"pith:5C4K74SR","canonical_record":{"source":{"id":"1609.08290","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-09-27T07:31:31Z","cross_cats_sorted":[],"title_canon_sha256":"ed79a5ca4a9542309e30a573007031aba42347fd0cda7e53c9b45945f87ef9da","abstract_canon_sha256":"5cb532a23d7779b276b40f4654503d3194ade3f652f4e83216d6748471480170"},"schema_version":"1.0"},"canonical_sha256":"e8b8aff25118ee1cf4605e8dfc110b8728b7a66963133edcfc6a289dcfebc71a","source":{"kind":"arxiv","id":"1609.08290","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.08290","created_at":"2026-05-18T00:55:11Z"},{"alias_kind":"arxiv_version","alias_value":"1609.08290v1","created_at":"2026-05-18T00:55:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.08290","created_at":"2026-05-18T00:55:11Z"},{"alias_kind":"pith_short_12","alias_value":"5C4K74SRDDXB","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"5C4K74SRDDXBZ5DA","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"5C4K74SR","created_at":"2026-05-18T12:30:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:5C4K74SRDDXBZ5DAL2G7YEILQ4","target":"record","payload":{"canonical_record":{"source":{"id":"1609.08290","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-09-27T07:31:31Z","cross_cats_sorted":[],"title_canon_sha256":"ed79a5ca4a9542309e30a573007031aba42347fd0cda7e53c9b45945f87ef9da","abstract_canon_sha256":"5cb532a23d7779b276b40f4654503d3194ade3f652f4e83216d6748471480170"},"schema_version":"1.0"},"canonical_sha256":"e8b8aff25118ee1cf4605e8dfc110b8728b7a66963133edcfc6a289dcfebc71a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:55:11.639506Z","signature_b64":"ajiIpNqebRa78tBT7GSE1m72nEzfOUjYzsAfVBtHncRlF72+3BZsqTrhJk1zJ6Iq1e54+2wysnbPeVK1XXhJAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e8b8aff25118ee1cf4605e8dfc110b8728b7a66963133edcfc6a289dcfebc71a","last_reissued_at":"2026-05-18T00:55:11.638801Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:55:11.638801Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.08290","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":"2026-05-18T00:55:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8zvdS5UgYJ7TwyTBj+M7uvTRmxof13Ag9v/pKIvH4N0IFIx0AbFn6tV5qS2+/ABWDkBQnz1QuRdunsytyCItBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:18:46.810102Z"},"content_sha256":"1470c39060a4caed5d9471ed7e94747a55d45ddc796694a67d32ff68097cce26","schema_version":"1.0","event_id":"sha256:1470c39060a4caed5d9471ed7e94747a55d45ddc796694a67d32ff68097cce26"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:5C4K74SRDDXBZ5DAL2G7YEILQ4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Central Engine of Late-Time X-ray Flares with Internal Origin","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Da-Bin Lin, En-Wei Liang, Hui-Jun Mu, Ju-Fu Lu, Shu-Jin Hou, Tong Liu, Tuan Yi, Wei-Min Gu","submitted_at":"2016-09-27T07:31:31Z","abstract_excerpt":"This work focuses on a sample of seven extremely late-time X-ray flares with peak time $t_{\\rm p} > 10^4 {\\rm s}$, among which two flares can be confirmed as the late-time activity of central engine. The main purpose is to investigate the mechanism of such late-time flares based on the internal origin assumption. In the hyper-accreting black hole (BH) scenario, we study the possibility of two well-known mechanisms as the central engine to power such X-ray flares, i.e., the neutrino-antineutrino annihilation and the Blandford-Znajek (BZ) process. Our results show that the annihilation luminosit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.08290","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":""},"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":"2026-05-18T00:55:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CskBoyXGtYg79qegFyxEFRrkJ6i00GvwM0sxg4LFJVUzyJaEjY7BRVuZDawWUHOg5ev4nQlHYG0M7DdqS/yDCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:18:46.810489Z"},"content_sha256":"91fa3a5e5a7f873d965fcb227f2c03784bde752e2888504f7053e0a2a2949a09","schema_version":"1.0","event_id":"sha256:91fa3a5e5a7f873d965fcb227f2c03784bde752e2888504f7053e0a2a2949a09"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5C4K74SRDDXBZ5DAL2G7YEILQ4/bundle.json","state_url":"https://pith.science/pith/5C4K74SRDDXBZ5DAL2G7YEILQ4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5C4K74SRDDXBZ5DAL2G7YEILQ4/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":"2026-05-28T01:18:46Z","links":{"resolver":"https://pith.science/pith/5C4K74SRDDXBZ5DAL2G7YEILQ4","bundle":"https://pith.science/pith/5C4K74SRDDXBZ5DAL2G7YEILQ4/bundle.json","state":"https://pith.science/pith/5C4K74SRDDXBZ5DAL2G7YEILQ4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5C4K74SRDDXBZ5DAL2G7YEILQ4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:5C4K74SRDDXBZ5DAL2G7YEILQ4","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":"5cb532a23d7779b276b40f4654503d3194ade3f652f4e83216d6748471480170","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-09-27T07:31:31Z","title_canon_sha256":"ed79a5ca4a9542309e30a573007031aba42347fd0cda7e53c9b45945f87ef9da"},"schema_version":"1.0","source":{"id":"1609.08290","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.08290","created_at":"2026-05-18T00:55:11Z"},{"alias_kind":"arxiv_version","alias_value":"1609.08290v1","created_at":"2026-05-18T00:55:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.08290","created_at":"2026-05-18T00:55:11Z"},{"alias_kind":"pith_short_12","alias_value":"5C4K74SRDDXB","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"5C4K74SRDDXBZ5DA","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"5C4K74SR","created_at":"2026-05-18T12:30:01Z"}],"graph_snapshots":[{"event_id":"sha256:91fa3a5e5a7f873d965fcb227f2c03784bde752e2888504f7053e0a2a2949a09","target":"graph","created_at":"2026-05-18T00:55:11Z","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":"This work focuses on a sample of seven extremely late-time X-ray flares with peak time $t_{\\rm p} > 10^4 {\\rm s}$, among which two flares can be confirmed as the late-time activity of central engine. The main purpose is to investigate the mechanism of such late-time flares based on the internal origin assumption. In the hyper-accreting black hole (BH) scenario, we study the possibility of two well-known mechanisms as the central engine to power such X-ray flares, i.e., the neutrino-antineutrino annihilation and the Blandford-Znajek (BZ) process. Our results show that the annihilation luminosit","authors_text":"Da-Bin Lin, En-Wei Liang, Hui-Jun Mu, Ju-Fu Lu, Shu-Jin Hou, Tong Liu, Tuan Yi, Wei-Min Gu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-09-27T07:31:31Z","title":"Central Engine of Late-Time X-ray Flares with Internal Origin"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.08290","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":"sha256:1470c39060a4caed5d9471ed7e94747a55d45ddc796694a67d32ff68097cce26","target":"record","created_at":"2026-05-18T00:55:11Z","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":"5cb532a23d7779b276b40f4654503d3194ade3f652f4e83216d6748471480170","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-09-27T07:31:31Z","title_canon_sha256":"ed79a5ca4a9542309e30a573007031aba42347fd0cda7e53c9b45945f87ef9da"},"schema_version":"1.0","source":{"id":"1609.08290","kind":"arxiv","version":1}},"canonical_sha256":"e8b8aff25118ee1cf4605e8dfc110b8728b7a66963133edcfc6a289dcfebc71a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e8b8aff25118ee1cf4605e8dfc110b8728b7a66963133edcfc6a289dcfebc71a","first_computed_at":"2026-05-18T00:55:11.638801Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:55:11.638801Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ajiIpNqebRa78tBT7GSE1m72nEzfOUjYzsAfVBtHncRlF72+3BZsqTrhJk1zJ6Iq1e54+2wysnbPeVK1XXhJAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:55:11.639506Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.08290","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1470c39060a4caed5d9471ed7e94747a55d45ddc796694a67d32ff68097cce26","sha256:91fa3a5e5a7f873d965fcb227f2c03784bde752e2888504f7053e0a2a2949a09"],"state_sha256":"ea6975b6dfd2cd493f077ac1b4563938fa30ed47be772601f5400c8a1e88c37d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0AXAbLZh2JQOGgLWQXqcwDFPQ2zMuh/4rDPJDbUvNpT7K1ocXYP97zgEgPR06IfPaNPyEIhSGNjaALugwbwVCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T01:18:46.812622Z","bundle_sha256":"af2190e82e00211bf55736d3733bdef5f347be9884c6ce1dc733bfb8173eb025"}}