{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:6MCKQZAZFRVSTIVM73LVUVH4AO","short_pith_number":"pith:6MCKQZAZ","canonical_record":{"source":{"id":"2207.09968","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-20T15:23:19Z","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"title_canon_sha256":"4318af0dace33244747058e61d8f1b49642cacfadccb32673d7ea255f5e9dc07","abstract_canon_sha256":"bb87aa2017870120e943587374698c8a66cea80e08ae08dc78575cf9a2b4e579"},"schema_version":"1.0"},"canonical_sha256":"f304a864192c6b29a2acfed75a54fc03892bdd186c72b4dc93ac2906c8b979e0","source":{"kind":"arxiv","id":"2207.09968","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.09968","created_at":"2026-07-05T06:46:20Z"},{"alias_kind":"arxiv_version","alias_value":"2207.09968v2","created_at":"2026-07-05T06:46:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.09968","created_at":"2026-07-05T06:46:20Z"},{"alias_kind":"pith_short_12","alias_value":"6MCKQZAZFRVS","created_at":"2026-07-05T06:46:20Z"},{"alias_kind":"pith_short_16","alias_value":"6MCKQZAZFRVSTIVM","created_at":"2026-07-05T06:46:20Z"},{"alias_kind":"pith_short_8","alias_value":"6MCKQZAZ","created_at":"2026-07-05T06:46:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:6MCKQZAZFRVSTIVM73LVUVH4AO","target":"record","payload":{"canonical_record":{"source":{"id":"2207.09968","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-20T15:23:19Z","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"title_canon_sha256":"4318af0dace33244747058e61d8f1b49642cacfadccb32673d7ea255f5e9dc07","abstract_canon_sha256":"bb87aa2017870120e943587374698c8a66cea80e08ae08dc78575cf9a2b4e579"},"schema_version":"1.0"},"canonical_sha256":"f304a864192c6b29a2acfed75a54fc03892bdd186c72b4dc93ac2906c8b979e0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:46:20.492060Z","signature_b64":"gCDGIGpVVO+HYmCx9qWXDO70MghtDIVqMQu3n1fsv+tOzBmm45y5VcQzwBAO8W2h14X+uSZXQhWQkibxoIpbAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f304a864192c6b29a2acfed75a54fc03892bdd186c72b4dc93ac2906c8b979e0","last_reissued_at":"2026-07-05T06:46:20.491562Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:46:20.491562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2207.09968","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":"2026-07-05T06:46:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wiLe0zF4TvW6tnyWqluF6HNz4AB/vH3q/91lFeykVpnuxiO/Q8U8/rcnIieI2ml5YiRqPt2gv6WjgwA3IcRECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T06:54:22.250155Z"},"content_sha256":"4caadd7af461e8d78e52f1c4d16a748872e930d1b9a207ce73517c4f306e581d","schema_version":"1.0","event_id":"sha256:4caadd7af461e8d78e52f1c4d16a748872e930d1b9a207ce73517c4f306e581d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:6MCKQZAZFRVSTIVM73LVUVH4AO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Primordial black holes from an inflationary potential valley","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Bao-Min Gu, Fu-Wen Shu, Ke Yang, Yu-Peng Zhang","submitted_at":"2022-07-20T15:23:19Z","abstract_excerpt":"Primordial black holes (PBHs) could be formed if large perturbations are generated on small scales in inflation. We study a toy inflation model with a local minimum. The curvature perturbations are enhanced when the inflaton passes through the local minimum, with more efficient amplification rate than that of quasi-inflection point inflation, leading to the production of PBHs on small scales. The PBHs could comprise the total dark matter in the mass window $10^{16}$--$10^{20}$g."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.09968","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/2207.09968/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":"2026-07-05T06:46:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fz6gXmt9P2i5Pw9pJjRbP04ocMkAZO3TCh9D/Yxj1OyBIovODj/mhIn0jquf20vQ8h1CIoiOi8EkbU3Qd4i5CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T06:54:22.250657Z"},"content_sha256":"8d2a172a23b3edc5bee774601ff3aa23c4ca897f54211c13705e938a363476e4","schema_version":"1.0","event_id":"sha256:8d2a172a23b3edc5bee774601ff3aa23c4ca897f54211c13705e938a363476e4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6MCKQZAZFRVSTIVM73LVUVH4AO/bundle.json","state_url":"https://pith.science/pith/6MCKQZAZFRVSTIVM73LVUVH4AO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6MCKQZAZFRVSTIVM73LVUVH4AO/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":"2026-08-16T06:54:22Z","links":{"resolver":"https://pith.science/pith/6MCKQZAZFRVSTIVM73LVUVH4AO","bundle":"https://pith.science/pith/6MCKQZAZFRVSTIVM73LVUVH4AO/bundle.json","state":"https://pith.science/pith/6MCKQZAZFRVSTIVM73LVUVH4AO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6MCKQZAZFRVSTIVM73LVUVH4AO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:6MCKQZAZFRVSTIVM73LVUVH4AO","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":"bb87aa2017870120e943587374698c8a66cea80e08ae08dc78575cf9a2b4e579","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-20T15:23:19Z","title_canon_sha256":"4318af0dace33244747058e61d8f1b49642cacfadccb32673d7ea255f5e9dc07"},"schema_version":"1.0","source":{"id":"2207.09968","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.09968","created_at":"2026-07-05T06:46:20Z"},{"alias_kind":"arxiv_version","alias_value":"2207.09968v2","created_at":"2026-07-05T06:46:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.09968","created_at":"2026-07-05T06:46:20Z"},{"alias_kind":"pith_short_12","alias_value":"6MCKQZAZFRVS","created_at":"2026-07-05T06:46:20Z"},{"alias_kind":"pith_short_16","alias_value":"6MCKQZAZFRVSTIVM","created_at":"2026-07-05T06:46:20Z"},{"alias_kind":"pith_short_8","alias_value":"6MCKQZAZ","created_at":"2026-07-05T06:46:20Z"}],"graph_snapshots":[{"event_id":"sha256:8d2a172a23b3edc5bee774601ff3aa23c4ca897f54211c13705e938a363476e4","target":"graph","created_at":"2026-07-05T06:46:20Z","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/2207.09968/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Primordial black holes (PBHs) could be formed if large perturbations are generated on small scales in inflation. We study a toy inflation model with a local minimum. The curvature perturbations are enhanced when the inflaton passes through the local minimum, with more efficient amplification rate than that of quasi-inflection point inflation, leading to the production of PBHs on small scales. The PBHs could comprise the total dark matter in the mass window $10^{16}$--$10^{20}$g.","authors_text":"Bao-Min Gu, Fu-Wen Shu, Ke Yang, Yu-Peng Zhang","cross_cats":["gr-qc","hep-ph","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-20T15:23:19Z","title":"Primordial black holes from an inflationary potential valley"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.09968","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":"sha256:4caadd7af461e8d78e52f1c4d16a748872e930d1b9a207ce73517c4f306e581d","target":"record","created_at":"2026-07-05T06:46:20Z","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":"bb87aa2017870120e943587374698c8a66cea80e08ae08dc78575cf9a2b4e579","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-20T15:23:19Z","title_canon_sha256":"4318af0dace33244747058e61d8f1b49642cacfadccb32673d7ea255f5e9dc07"},"schema_version":"1.0","source":{"id":"2207.09968","kind":"arxiv","version":2}},"canonical_sha256":"f304a864192c6b29a2acfed75a54fc03892bdd186c72b4dc93ac2906c8b979e0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f304a864192c6b29a2acfed75a54fc03892bdd186c72b4dc93ac2906c8b979e0","first_computed_at":"2026-07-05T06:46:20.491562Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:46:20.491562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gCDGIGpVVO+HYmCx9qWXDO70MghtDIVqMQu3n1fsv+tOzBmm45y5VcQzwBAO8W2h14X+uSZXQhWQkibxoIpbAA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:46:20.492060Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.09968","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4caadd7af461e8d78e52f1c4d16a748872e930d1b9a207ce73517c4f306e581d","sha256:8d2a172a23b3edc5bee774601ff3aa23c4ca897f54211c13705e938a363476e4"],"state_sha256":"6b58ad71ac901c289ca522d31bbe7ec0772e95c3a1ebffdf0b31c4cbe9fe7450"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SmvDHXLHsLfI7RGA6rzalgRbDXzohRoe5gaA7MmH8pghO7gXwQWermY1sYpvYmHNUjL1NCmMP+fMFPWvPrstAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T06:54:22.254195Z","bundle_sha256":"8cbff317e6c626a263d851789906676a621e0dee636aaed43c3460b5b7cc8ee5"}}