{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:PQ7KULZW66357523B46NFKGM3H","short_pith_number":"pith:PQ7KULZW","canonical_record":{"source":{"id":"1903.05924","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-03-14T11:45:38Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"3a16aa7f3119b1727b2cbf2403a71458686a339fe493f969d55160dea1fd1b70","abstract_canon_sha256":"03ebbd763d2e1684e8299862f151bd1be85c6f165405230a1667bf99fe40c26e"},"schema_version":"1.0"},"canonical_sha256":"7c3eaa2f36f7b7dff75b0f3cd2a8ccd9ea3b495bac846d2f36ecd3f02835161f","source":{"kind":"arxiv","id":"1903.05924","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.05924","created_at":"2026-07-05T00:50:24Z"},{"alias_kind":"arxiv_version","alias_value":"1903.05924v2","created_at":"2026-07-05T00:50:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.05924","created_at":"2026-07-05T00:50:24Z"},{"alias_kind":"pith_short_12","alias_value":"PQ7KULZW6635","created_at":"2026-07-05T00:50:24Z"},{"alias_kind":"pith_short_16","alias_value":"PQ7KULZW66357523","created_at":"2026-07-05T00:50:24Z"},{"alias_kind":"pith_short_8","alias_value":"PQ7KULZW","created_at":"2026-07-05T00:50:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:PQ7KULZW66357523B46NFKGM3H","target":"record","payload":{"canonical_record":{"source":{"id":"1903.05924","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-03-14T11:45:38Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"3a16aa7f3119b1727b2cbf2403a71458686a339fe493f969d55160dea1fd1b70","abstract_canon_sha256":"03ebbd763d2e1684e8299862f151bd1be85c6f165405230a1667bf99fe40c26e"},"schema_version":"1.0"},"canonical_sha256":"7c3eaa2f36f7b7dff75b0f3cd2a8ccd9ea3b495bac846d2f36ecd3f02835161f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:50:24.636638Z","signature_b64":"BZcOwqWoDzuE8gmucEbrpwLwrAuD6/UXpoVa/+h5ZF9CBFIOSFvTmYMyw06KbjT4p6O41W+guHGSYx0YAFshDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7c3eaa2f36f7b7dff75b0f3cd2a8ccd9ea3b495bac846d2f36ecd3f02835161f","last_reissued_at":"2026-07-05T00:50:24.636119Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:50:24.636119Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.05924","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":"2026-07-05T00:50:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tMm2KUIIC7nXdS11wwU06XlMAeEHXIgnGJTsi1HwI2oY/A2onSShfPGnWuz4BI8Qb6oCnsnLGDURoJj5pK0yCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T17:45:33.304968Z"},"content_sha256":"80a1df355540393c1ba5bf359af662896f1624347463bd786d6ba5c70a2b408e","schema_version":"1.0","event_id":"sha256:80a1df355540393c1ba5bf359af662896f1624347463bd786d6ba5c70a2b408e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:PQ7KULZW66357523B46NFKGM3H","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Prospective constraints on the primordial black hole abundance from the stochastic gravitational-wave backgrounds produced by coalescing events and curvature perturbations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Kazunori Kohri, Sai Wang, Takahiro Terada","submitted_at":"2019-03-14T11:45:38Z","abstract_excerpt":"For a variety of on-going and planned gravitational-wave (GW) experiments, we study expected constraints on the fraction ($f_{\\rm PBH}$) of primordial black holes (PBHs) in dark matter by evaluating the energy-density spectra of two kinds of stochastic GW backgrounds. The first one is produced from an incoherent superposition of GWs emitted from coalescences of all the binary PBHs. The second one is induced through non-linear mode couplings of large primordial curvature perturbations inevitably associated with the generation of PBHs in the early Universe. In this paper, we focus on the PBHs wi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.05924","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/1903.05924/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":"2026-07-05T00:50:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8s0k+A+wPQZx5chSMaB5+ukShVEffyq0fELeka7ZITzENlxqiIlvNnfs1M8pLbHfoua8cdxzuSj7NxvlDQ7GCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T17:45:33.306230Z"},"content_sha256":"73efcf98d55349169d6012b0a83e1a800545ce0cf38d11b22593f489b61c0211","schema_version":"1.0","event_id":"sha256:73efcf98d55349169d6012b0a83e1a800545ce0cf38d11b22593f489b61c0211"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PQ7KULZW66357523B46NFKGM3H/bundle.json","state_url":"https://pith.science/pith/PQ7KULZW66357523B46NFKGM3H/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PQ7KULZW66357523B46NFKGM3H/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":"2026-08-06T17:45:33Z","links":{"resolver":"https://pith.science/pith/PQ7KULZW66357523B46NFKGM3H","bundle":"https://pith.science/pith/PQ7KULZW66357523B46NFKGM3H/bundle.json","state":"https://pith.science/pith/PQ7KULZW66357523B46NFKGM3H/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PQ7KULZW66357523B46NFKGM3H/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:PQ7KULZW66357523B46NFKGM3H","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":"03ebbd763d2e1684e8299862f151bd1be85c6f165405230a1667bf99fe40c26e","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-03-14T11:45:38Z","title_canon_sha256":"3a16aa7f3119b1727b2cbf2403a71458686a339fe493f969d55160dea1fd1b70"},"schema_version":"1.0","source":{"id":"1903.05924","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.05924","created_at":"2026-07-05T00:50:24Z"},{"alias_kind":"arxiv_version","alias_value":"1903.05924v2","created_at":"2026-07-05T00:50:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.05924","created_at":"2026-07-05T00:50:24Z"},{"alias_kind":"pith_short_12","alias_value":"PQ7KULZW6635","created_at":"2026-07-05T00:50:24Z"},{"alias_kind":"pith_short_16","alias_value":"PQ7KULZW66357523","created_at":"2026-07-05T00:50:24Z"},{"alias_kind":"pith_short_8","alias_value":"PQ7KULZW","created_at":"2026-07-05T00:50:24Z"}],"graph_snapshots":[{"event_id":"sha256:73efcf98d55349169d6012b0a83e1a800545ce0cf38d11b22593f489b61c0211","target":"graph","created_at":"2026-07-05T00:50:24Z","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/1903.05924/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"For a variety of on-going and planned gravitational-wave (GW) experiments, we study expected constraints on the fraction ($f_{\\rm PBH}$) of primordial black holes (PBHs) in dark matter by evaluating the energy-density spectra of two kinds of stochastic GW backgrounds. The first one is produced from an incoherent superposition of GWs emitted from coalescences of all the binary PBHs. The second one is induced through non-linear mode couplings of large primordial curvature perturbations inevitably associated with the generation of PBHs in the early Universe. In this paper, we focus on the PBHs wi","authors_text":"Kazunori Kohri, Sai Wang, Takahiro Terada","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-03-14T11:45:38Z","title":"Prospective constraints on the primordial black hole abundance from the stochastic gravitational-wave backgrounds produced by coalescing events and curvature perturbations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.05924","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":"sha256:80a1df355540393c1ba5bf359af662896f1624347463bd786d6ba5c70a2b408e","target":"record","created_at":"2026-07-05T00:50:24Z","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":"03ebbd763d2e1684e8299862f151bd1be85c6f165405230a1667bf99fe40c26e","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-03-14T11:45:38Z","title_canon_sha256":"3a16aa7f3119b1727b2cbf2403a71458686a339fe493f969d55160dea1fd1b70"},"schema_version":"1.0","source":{"id":"1903.05924","kind":"arxiv","version":2}},"canonical_sha256":"7c3eaa2f36f7b7dff75b0f3cd2a8ccd9ea3b495bac846d2f36ecd3f02835161f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7c3eaa2f36f7b7dff75b0f3cd2a8ccd9ea3b495bac846d2f36ecd3f02835161f","first_computed_at":"2026-07-05T00:50:24.636119Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:50:24.636119Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BZcOwqWoDzuE8gmucEbrpwLwrAuD6/UXpoVa/+h5ZF9CBFIOSFvTmYMyw06KbjT4p6O41W+guHGSYx0YAFshDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:50:24.636638Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.05924","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:80a1df355540393c1ba5bf359af662896f1624347463bd786d6ba5c70a2b408e","sha256:73efcf98d55349169d6012b0a83e1a800545ce0cf38d11b22593f489b61c0211"],"state_sha256":"2502943d962e8c4650e8a7463d51fdbcc3bdb603029cfb4ab08f1c745d439bb5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OiJP1vFuIx5klzJKNnoOEe7xnNHkxHKYc2bST4PQ7zl1YCi3hbwuz9IdJBkX1p/KvEnjBSaBCPGGGIB67DH8DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T17:45:33.310881Z","bundle_sha256":"1f35dfb29f0ab219302180c6f4389b31ed44defec34b1f9c0ee94932c197df18"}}