{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:67XPD74ONLLTGVMUITZP43GPFV","short_pith_number":"pith:67XPD74O","canonical_record":{"source":{"id":"2107.01935","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"gr-qc","submitted_at":"2021-07-05T11:03:22Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"ba553e4b0e2eb687ecd04269d4e46263e7fad05075eab69c9f4270bab281c133","abstract_canon_sha256":"b8bb70da1c3717fc56aee11b4594861e4f2c18d8986eacecbd1c938ea5d2bdd6"},"schema_version":"1.0"},"canonical_sha256":"f7eef1ff8e6ad733559444f2fe6ccf2d40ea186e478c3685300a7219ada1ebab","source":{"kind":"arxiv","id":"2107.01935","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.01935","created_at":"2026-07-05T05:27:16Z"},{"alias_kind":"arxiv_version","alias_value":"2107.01935v3","created_at":"2026-07-05T05:27:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.01935","created_at":"2026-07-05T05:27:16Z"},{"alias_kind":"pith_short_12","alias_value":"67XPD74ONLLT","created_at":"2026-07-05T05:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"67XPD74ONLLTGVMU","created_at":"2026-07-05T05:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"67XPD74O","created_at":"2026-07-05T05:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:67XPD74ONLLTGVMUITZP43GPFV","target":"record","payload":{"canonical_record":{"source":{"id":"2107.01935","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"gr-qc","submitted_at":"2021-07-05T11:03:22Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"ba553e4b0e2eb687ecd04269d4e46263e7fad05075eab69c9f4270bab281c133","abstract_canon_sha256":"b8bb70da1c3717fc56aee11b4594861e4f2c18d8986eacecbd1c938ea5d2bdd6"},"schema_version":"1.0"},"canonical_sha256":"f7eef1ff8e6ad733559444f2fe6ccf2d40ea186e478c3685300a7219ada1ebab","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:27:16.005517Z","signature_b64":"icfSPK+CPuwlCyYzKCVPPTV5lZnEIU4T6UPuS6Bykdo8QNiCzcyqBV6yJyIyw8/JQxyE0QWrZCpPfbG4Td7UCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f7eef1ff8e6ad733559444f2fe6ccf2d40ea186e478c3685300a7219ada1ebab","last_reissued_at":"2026-07-05T05:27:16.005088Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:27:16.005088Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2107.01935","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:27:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"18hVb9fMBX2Xm+XFTmMfmZLb2CRjt6Cz2r5Z5P3eVX2+PaqzOVcAnlqzfC+6hq6PH3AruKwc3k33beO0RU9ACg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T15:36:33.055129Z"},"content_sha256":"b769ebf4b60cf703ce05e860cb2e4e9a4e4fe2cfee8cb0c023cf4c147020eb74","schema_version":"1.0","event_id":"sha256:b769ebf4b60cf703ce05e860cb2e4e9a4e4fe2cfee8cb0c023cf4c147020eb74"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:67XPD74ONLLTGVMUITZP43GPFV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing primordial black holes with anisotropies in stochastic gravitational-wave background","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"Kazunori Kohri, Sai Wang, Valeri Vardanyan","submitted_at":"2021-07-05T11:03:22Z","abstract_excerpt":"Primordial black holes, if considered to constitute a significant fraction of cold dark matter, trace the inhomogeneous large-scale structure of the Universe. Consequently, the stochastic gravitational-wave background, originating from incoherent superposition of unresolved signals emitted by primordial black hole binaries, is expected to display anisotropies across the sky. In this work, we investigate the angular correlations of such anisotropies for the first time and demonstrate their difference from the analogous signal produced by astrophysical black hole binaries. We carefully evaluate "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.01935","kind":"arxiv","version":3},"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/2107.01935/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":"2026-07-05T05:27:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4hoKflwKjWXJRdgb2NGZz/q0k6z9Bnkw40uGqV+A/+5UWItR7VtDbr4a3FBAb5M//Q+U5GoCgxOSW4+D50rTAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T15:36:33.055557Z"},"content_sha256":"9781917b185543aa800e10ffa841ec6e5eb51e63e62cda9588514cfedd3c958a","schema_version":"1.0","event_id":"sha256:9781917b185543aa800e10ffa841ec6e5eb51e63e62cda9588514cfedd3c958a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/67XPD74ONLLTGVMUITZP43GPFV/bundle.json","state_url":"https://pith.science/pith/67XPD74ONLLTGVMUITZP43GPFV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/67XPD74ONLLTGVMUITZP43GPFV/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":"2026-07-09T15:36:33Z","links":{"resolver":"https://pith.science/pith/67XPD74ONLLTGVMUITZP43GPFV","bundle":"https://pith.science/pith/67XPD74ONLLTGVMUITZP43GPFV/bundle.json","state":"https://pith.science/pith/67XPD74ONLLTGVMUITZP43GPFV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/67XPD74ONLLTGVMUITZP43GPFV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:67XPD74ONLLTGVMUITZP43GPFV","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":"b8bb70da1c3717fc56aee11b4594861e4f2c18d8986eacecbd1c938ea5d2bdd6","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"gr-qc","submitted_at":"2021-07-05T11:03:22Z","title_canon_sha256":"ba553e4b0e2eb687ecd04269d4e46263e7fad05075eab69c9f4270bab281c133"},"schema_version":"1.0","source":{"id":"2107.01935","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.01935","created_at":"2026-07-05T05:27:16Z"},{"alias_kind":"arxiv_version","alias_value":"2107.01935v3","created_at":"2026-07-05T05:27:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.01935","created_at":"2026-07-05T05:27:16Z"},{"alias_kind":"pith_short_12","alias_value":"67XPD74ONLLT","created_at":"2026-07-05T05:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"67XPD74ONLLTGVMU","created_at":"2026-07-05T05:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"67XPD74O","created_at":"2026-07-05T05:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:9781917b185543aa800e10ffa841ec6e5eb51e63e62cda9588514cfedd3c958a","target":"graph","created_at":"2026-07-05T05:27:16Z","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/2107.01935/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Primordial black holes, if considered to constitute a significant fraction of cold dark matter, trace the inhomogeneous large-scale structure of the Universe. Consequently, the stochastic gravitational-wave background, originating from incoherent superposition of unresolved signals emitted by primordial black hole binaries, is expected to display anisotropies across the sky. In this work, we investigate the angular correlations of such anisotropies for the first time and demonstrate their difference from the analogous signal produced by astrophysical black hole binaries. We carefully evaluate ","authors_text":"Kazunori Kohri, Sai Wang, Valeri Vardanyan","cross_cats":["astro-ph.CO","astro-ph.HE"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"gr-qc","submitted_at":"2021-07-05T11:03:22Z","title":"Probing primordial black holes with anisotropies in stochastic gravitational-wave background"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.01935","kind":"arxiv","version":3},"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:b769ebf4b60cf703ce05e860cb2e4e9a4e4fe2cfee8cb0c023cf4c147020eb74","target":"record","created_at":"2026-07-05T05:27:16Z","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":"b8bb70da1c3717fc56aee11b4594861e4f2c18d8986eacecbd1c938ea5d2bdd6","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"gr-qc","submitted_at":"2021-07-05T11:03:22Z","title_canon_sha256":"ba553e4b0e2eb687ecd04269d4e46263e7fad05075eab69c9f4270bab281c133"},"schema_version":"1.0","source":{"id":"2107.01935","kind":"arxiv","version":3}},"canonical_sha256":"f7eef1ff8e6ad733559444f2fe6ccf2d40ea186e478c3685300a7219ada1ebab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f7eef1ff8e6ad733559444f2fe6ccf2d40ea186e478c3685300a7219ada1ebab","first_computed_at":"2026-07-05T05:27:16.005088Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:27:16.005088Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"icfSPK+CPuwlCyYzKCVPPTV5lZnEIU4T6UPuS6Bykdo8QNiCzcyqBV6yJyIyw8/JQxyE0QWrZCpPfbG4Td7UCg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:27:16.005517Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.01935","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b769ebf4b60cf703ce05e860cb2e4e9a4e4fe2cfee8cb0c023cf4c147020eb74","sha256:9781917b185543aa800e10ffa841ec6e5eb51e63e62cda9588514cfedd3c958a"],"state_sha256":"032855b23cc130cc7665adde4cd292cb11613ccb847aa811de10cd0e88cc7a54"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jweq47iTfPopBgSNjWLi5o3cXz5vGIEKIWdUih4DCvuMFkIP/sO9GGaDHYbVIF4NvvK1O/jv0lsflJ0lLEJgDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T15:36:33.057675Z","bundle_sha256":"0eda5f14412bec422803e76031e1f51ba2139bfbdd39b7c6db3f7a4bda41fdc4"}}