{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:LXPXRBXBJTSD7SE5I7IF5UYKFK","short_pith_number":"pith:LXPXRBXB","canonical_record":{"source":{"id":"1904.10298","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-04-23T13:23:35Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"436a2917e90b1c6a09642f7eac526f26d5c2b83e2a1ba805fef030736103d881","abstract_canon_sha256":"c25eb7545d2cbe3ef34f195d0c4e919ad7ce94ce5c9b5356999c90b2d3c76b89"},"schema_version":"1.0"},"canonical_sha256":"5ddf7886e14ce43fc89d47d05ed30a2abb847e66f970deb4953292b42f64b187","source":{"kind":"arxiv","id":"1904.10298","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.10298","created_at":"2026-07-04T23:52:41Z"},{"alias_kind":"arxiv_version","alias_value":"1904.10298v2","created_at":"2026-07-04T23:52:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.10298","created_at":"2026-07-04T23:52:41Z"},{"alias_kind":"pith_short_12","alias_value":"LXPXRBXBJTSD","created_at":"2026-07-04T23:52:41Z"},{"alias_kind":"pith_short_16","alias_value":"LXPXRBXBJTSD7SE5","created_at":"2026-07-04T23:52:41Z"},{"alias_kind":"pith_short_8","alias_value":"LXPXRBXB","created_at":"2026-07-04T23:52:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:LXPXRBXBJTSD7SE5I7IF5UYKFK","target":"record","payload":{"canonical_record":{"source":{"id":"1904.10298","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-04-23T13:23:35Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"436a2917e90b1c6a09642f7eac526f26d5c2b83e2a1ba805fef030736103d881","abstract_canon_sha256":"c25eb7545d2cbe3ef34f195d0c4e919ad7ce94ce5c9b5356999c90b2d3c76b89"},"schema_version":"1.0"},"canonical_sha256":"5ddf7886e14ce43fc89d47d05ed30a2abb847e66f970deb4953292b42f64b187","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:52:41.796931Z","signature_b64":"uXURwNfxtt8T4+oH88GwhKyo3iSaPccx/K2nUBlZ4tHBV7el5k3kOa9zgOPksQl9K0ZWYFyW9EGiu1OBOthmDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ddf7886e14ce43fc89d47d05ed30a2abb847e66f970deb4953292b42f64b187","last_reissued_at":"2026-07-04T23:52:41.796462Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:52:41.796462Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.10298","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":"2026-07-04T23:52:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ys1pIxiqB04Ht2neJu0GHrwoKKbIW7BPAXXZJrJjxqGj75KwzIrtaEjToBq2kc31I82NkAsJ5XVL4fPEIAkZDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:50:48.170454Z"},"content_sha256":"a860ae88e01f9946db09306de3f479cc40ebce0c59cdc38bc048a1ce96bb4935","schema_version":"1.0","event_id":"sha256:a860ae88e01f9946db09306de3f479cc40ebce0c59cdc38bc048a1ce96bb4935"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:LXPXRBXBJTSD7SE5I7IF5UYKFK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Primordial black hole tower: Dark matter, earth-mass, and LIGO black holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Shuichiro Yokoyama, Yuichiro Tada","submitted_at":"2019-04-23T13:23:35Z","abstract_excerpt":"We investigate a possibility of primordial black hole (PBH) formation with a hierarchical mass spectrum in multiple phases of inflation. As an example, we find that one can simultaneously realize a mass spectrum which has recently attracted a lot of attention: stellar-mass PBHs ($\\sim\\mathcal{O}(10)M_\\odot$) as a possible source of binary black holes detected by LIGO/Virgo collaboration, asteroid-mass ($\\sim\\mathcal{O}(10^{-12})M_\\odot$) as a main component of dark matter, and earth-mass ($\\sim\\mathcal{O}(10^{-5})M_\\odot$) as a source of ultrashort-timescale events in Optical Gravitational Len"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.10298","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/1904.10298/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":"2026-07-04T23:52:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rDyShQLTy2OC6zMY0lpnx9OFpF9it6Ar4PPsmHECCscOJPDhxgIl8pRUVI3Ix0DFgkDuNbAImpFPSjqCZy7vCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:50:48.171322Z"},"content_sha256":"1bfc254c41c4eb30e405c5336965d0fea2e125042fa115c1cea2df14271372e6","schema_version":"1.0","event_id":"sha256:1bfc254c41c4eb30e405c5336965d0fea2e125042fa115c1cea2df14271372e6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LXPXRBXBJTSD7SE5I7IF5UYKFK/bundle.json","state_url":"https://pith.science/pith/LXPXRBXBJTSD7SE5I7IF5UYKFK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LXPXRBXBJTSD7SE5I7IF5UYKFK/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":"2026-08-03T19:50:48Z","links":{"resolver":"https://pith.science/pith/LXPXRBXBJTSD7SE5I7IF5UYKFK","bundle":"https://pith.science/pith/LXPXRBXBJTSD7SE5I7IF5UYKFK/bundle.json","state":"https://pith.science/pith/LXPXRBXBJTSD7SE5I7IF5UYKFK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LXPXRBXBJTSD7SE5I7IF5UYKFK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:LXPXRBXBJTSD7SE5I7IF5UYKFK","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":"c25eb7545d2cbe3ef34f195d0c4e919ad7ce94ce5c9b5356999c90b2d3c76b89","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-04-23T13:23:35Z","title_canon_sha256":"436a2917e90b1c6a09642f7eac526f26d5c2b83e2a1ba805fef030736103d881"},"schema_version":"1.0","source":{"id":"1904.10298","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.10298","created_at":"2026-07-04T23:52:41Z"},{"alias_kind":"arxiv_version","alias_value":"1904.10298v2","created_at":"2026-07-04T23:52:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.10298","created_at":"2026-07-04T23:52:41Z"},{"alias_kind":"pith_short_12","alias_value":"LXPXRBXBJTSD","created_at":"2026-07-04T23:52:41Z"},{"alias_kind":"pith_short_16","alias_value":"LXPXRBXBJTSD7SE5","created_at":"2026-07-04T23:52:41Z"},{"alias_kind":"pith_short_8","alias_value":"LXPXRBXB","created_at":"2026-07-04T23:52:41Z"}],"graph_snapshots":[{"event_id":"sha256:1bfc254c41c4eb30e405c5336965d0fea2e125042fa115c1cea2df14271372e6","target":"graph","created_at":"2026-07-04T23:52:41Z","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/1904.10298/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate a possibility of primordial black hole (PBH) formation with a hierarchical mass spectrum in multiple phases of inflation. As an example, we find that one can simultaneously realize a mass spectrum which has recently attracted a lot of attention: stellar-mass PBHs ($\\sim\\mathcal{O}(10)M_\\odot$) as a possible source of binary black holes detected by LIGO/Virgo collaboration, asteroid-mass ($\\sim\\mathcal{O}(10^{-12})M_\\odot$) as a main component of dark matter, and earth-mass ($\\sim\\mathcal{O}(10^{-5})M_\\odot$) as a source of ultrashort-timescale events in Optical Gravitational Len","authors_text":"Shuichiro Yokoyama, Yuichiro Tada","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-04-23T13:23:35Z","title":"Primordial black hole tower: Dark matter, earth-mass, and LIGO black holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.10298","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:a860ae88e01f9946db09306de3f479cc40ebce0c59cdc38bc048a1ce96bb4935","target":"record","created_at":"2026-07-04T23:52:41Z","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":"c25eb7545d2cbe3ef34f195d0c4e919ad7ce94ce5c9b5356999c90b2d3c76b89","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-04-23T13:23:35Z","title_canon_sha256":"436a2917e90b1c6a09642f7eac526f26d5c2b83e2a1ba805fef030736103d881"},"schema_version":"1.0","source":{"id":"1904.10298","kind":"arxiv","version":2}},"canonical_sha256":"5ddf7886e14ce43fc89d47d05ed30a2abb847e66f970deb4953292b42f64b187","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ddf7886e14ce43fc89d47d05ed30a2abb847e66f970deb4953292b42f64b187","first_computed_at":"2026-07-04T23:52:41.796462Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:52:41.796462Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uXURwNfxtt8T4+oH88GwhKyo3iSaPccx/K2nUBlZ4tHBV7el5k3kOa9zgOPksQl9K0ZWYFyW9EGiu1OBOthmDg==","signature_status":"signed_v1","signed_at":"2026-07-04T23:52:41.796931Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.10298","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a860ae88e01f9946db09306de3f479cc40ebce0c59cdc38bc048a1ce96bb4935","sha256:1bfc254c41c4eb30e405c5336965d0fea2e125042fa115c1cea2df14271372e6"],"state_sha256":"fa5397aa015f2e5db113ca6a4efd0947c17b0dd80e65856158d0c279378858ae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZFzm+6vyKkC83OB3Fxr5Gynif+CzaSU9qN33URyheTbprHQflwDF1syQC1r6VteSfJqPpYOzMmtTn1F0c2L3Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T19:50:48.178051Z","bundle_sha256":"ca91bc02d42eb252cc2ddaaeb66f5188b34d6ba8ad50eaa4ebfe2b791bcf7224"}}