{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:POW25IR6GIM7YWAB6CC6TTFSYD","short_pith_number":"pith:POW25IR6","canonical_record":{"source":{"id":"1912.01317","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-12-03T11:45:52Z","cross_cats_sorted":[],"title_canon_sha256":"bd16cb2b08c9695720f598af7910b21dedf31c7d83bfa3a7f241bedfa4f4dd5b","abstract_canon_sha256":"d4547977b628f13eb686510af2a06e7874adccd2b84301bc7979fdb0eef429fc"},"schema_version":"1.0"},"canonical_sha256":"7badaea23e3219fc5801f085e9ccb2c0d69fd68b8df0221632ea98999343264a","source":{"kind":"arxiv","id":"1912.01317","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.01317","created_at":"2026-07-05T00:23:29Z"},{"alias_kind":"arxiv_version","alias_value":"1912.01317v1","created_at":"2026-07-05T00:23:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.01317","created_at":"2026-07-05T00:23:29Z"},{"alias_kind":"pith_short_12","alias_value":"POW25IR6GIM7","created_at":"2026-07-05T00:23:29Z"},{"alias_kind":"pith_short_16","alias_value":"POW25IR6GIM7YWAB","created_at":"2026-07-05T00:23:29Z"},{"alias_kind":"pith_short_8","alias_value":"POW25IR6","created_at":"2026-07-05T00:23:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:POW25IR6GIM7YWAB6CC6TTFSYD","target":"record","payload":{"canonical_record":{"source":{"id":"1912.01317","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-12-03T11:45:52Z","cross_cats_sorted":[],"title_canon_sha256":"bd16cb2b08c9695720f598af7910b21dedf31c7d83bfa3a7f241bedfa4f4dd5b","abstract_canon_sha256":"d4547977b628f13eb686510af2a06e7874adccd2b84301bc7979fdb0eef429fc"},"schema_version":"1.0"},"canonical_sha256":"7badaea23e3219fc5801f085e9ccb2c0d69fd68b8df0221632ea98999343264a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:23:29.621766Z","signature_b64":"OdSKJOlDx03+hJZ/WOgzkRtAK2/AhbffWKtwy1eMu206eWNzzOk3T2fFU4jUhM0ZaN4UNjjcRzcNdQ/gj4XABQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7badaea23e3219fc5801f085e9ccb2c0d69fd68b8df0221632ea98999343264a","last_reissued_at":"2026-07-05T00:23:29.621357Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:23:29.621357Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.01317","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":"2026-07-05T00:23:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a5/SG+DV3tSAHD0loYDc6H8+6PEyHcryiFuq8T+L+TZdTDJWTDJfxLg1VccgKkLgzXXaynlps/Ey7Wrxao6iDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T20:29:02.316935Z"},"content_sha256":"88686b4c2c6363f492e3b753e3c12c64776ec8820fb7d624af5bf3b848c9c009","schema_version":"1.0","event_id":"sha256:88686b4c2c6363f492e3b753e3c12c64776ec8820fb7d624af5bf3b848c9c009"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:POW25IR6GIM7YWAB6CC6TTFSYD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multimessenger search for evaporating primordial black holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"E.V. Bugaev, P. A. Klimai, V.B. Petkov","submitted_at":"2019-12-03T11:45:52Z","abstract_excerpt":"Primordial black holes (PBHs) are black holes which may form in the early Universe through the gravitational collapse of primordial cosmological density fluctuations. Due to Hawking radiation these PBHs are supposed to evaporate by emitting particles. Recent developments in the experimental searching for evaporating PBHs in the local Universe are reviewed. The multimessenger techniques of searching for signals from evaporating PBHs are discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.01317","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/1912.01317/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":"2026-07-05T00:23:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tWqpp4PI55g+rbCrKu6fEphl3xmS3w09oFI9XwJL+SWApY7MOspGerxc5tvCiqn52MoSq5mT8bjTIkyvwM8cDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T20:29:02.317839Z"},"content_sha256":"547d59999198c2f4c93fc121dbb45e5d5b13ecde04c835313d5a1075a7cb2438","schema_version":"1.0","event_id":"sha256:547d59999198c2f4c93fc121dbb45e5d5b13ecde04c835313d5a1075a7cb2438"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/POW25IR6GIM7YWAB6CC6TTFSYD/bundle.json","state_url":"https://pith.science/pith/POW25IR6GIM7YWAB6CC6TTFSYD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/POW25IR6GIM7YWAB6CC6TTFSYD/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":"2026-08-13T20:29:02Z","links":{"resolver":"https://pith.science/pith/POW25IR6GIM7YWAB6CC6TTFSYD","bundle":"https://pith.science/pith/POW25IR6GIM7YWAB6CC6TTFSYD/bundle.json","state":"https://pith.science/pith/POW25IR6GIM7YWAB6CC6TTFSYD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/POW25IR6GIM7YWAB6CC6TTFSYD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:POW25IR6GIM7YWAB6CC6TTFSYD","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":"d4547977b628f13eb686510af2a06e7874adccd2b84301bc7979fdb0eef429fc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-12-03T11:45:52Z","title_canon_sha256":"bd16cb2b08c9695720f598af7910b21dedf31c7d83bfa3a7f241bedfa4f4dd5b"},"schema_version":"1.0","source":{"id":"1912.01317","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.01317","created_at":"2026-07-05T00:23:29Z"},{"alias_kind":"arxiv_version","alias_value":"1912.01317v1","created_at":"2026-07-05T00:23:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.01317","created_at":"2026-07-05T00:23:29Z"},{"alias_kind":"pith_short_12","alias_value":"POW25IR6GIM7","created_at":"2026-07-05T00:23:29Z"},{"alias_kind":"pith_short_16","alias_value":"POW25IR6GIM7YWAB","created_at":"2026-07-05T00:23:29Z"},{"alias_kind":"pith_short_8","alias_value":"POW25IR6","created_at":"2026-07-05T00:23:29Z"}],"graph_snapshots":[{"event_id":"sha256:547d59999198c2f4c93fc121dbb45e5d5b13ecde04c835313d5a1075a7cb2438","target":"graph","created_at":"2026-07-05T00:23:29Z","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/1912.01317/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Primordial black holes (PBHs) are black holes which may form in the early Universe through the gravitational collapse of primordial cosmological density fluctuations. Due to Hawking radiation these PBHs are supposed to evaporate by emitting particles. Recent developments in the experimental searching for evaporating PBHs in the local Universe are reviewed. The multimessenger techniques of searching for signals from evaporating PBHs are discussed.","authors_text":"E.V. Bugaev, P. A. Klimai, V.B. Petkov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-12-03T11:45:52Z","title":"Multimessenger search for evaporating primordial black holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.01317","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":"sha256:88686b4c2c6363f492e3b753e3c12c64776ec8820fb7d624af5bf3b848c9c009","target":"record","created_at":"2026-07-05T00:23:29Z","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":"d4547977b628f13eb686510af2a06e7874adccd2b84301bc7979fdb0eef429fc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-12-03T11:45:52Z","title_canon_sha256":"bd16cb2b08c9695720f598af7910b21dedf31c7d83bfa3a7f241bedfa4f4dd5b"},"schema_version":"1.0","source":{"id":"1912.01317","kind":"arxiv","version":1}},"canonical_sha256":"7badaea23e3219fc5801f085e9ccb2c0d69fd68b8df0221632ea98999343264a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7badaea23e3219fc5801f085e9ccb2c0d69fd68b8df0221632ea98999343264a","first_computed_at":"2026-07-05T00:23:29.621357Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:23:29.621357Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OdSKJOlDx03+hJZ/WOgzkRtAK2/AhbffWKtwy1eMu206eWNzzOk3T2fFU4jUhM0ZaN4UNjjcRzcNdQ/gj4XABQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:23:29.621766Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.01317","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:88686b4c2c6363f492e3b753e3c12c64776ec8820fb7d624af5bf3b848c9c009","sha256:547d59999198c2f4c93fc121dbb45e5d5b13ecde04c835313d5a1075a7cb2438"],"state_sha256":"50acb793dbc91976cbb581f852c0eb4d2e8ab4fa2326c0414b17b86de4f8e0ed"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GTTw0KPFNegKu+VGcM4vD+DnCOUOQ7S4Gmf0/xiCitCbB2bzRRwESLLBKgWUkDeIWEAK/yR7BvYuYxByqdRrBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T20:29:02.334079Z","bundle_sha256":"c9cb963cd7bc0ec9eb5f081e07868f8e57692b8bb2dd8e6049ed71d2c047484d"}}