{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:YQPRM4R3DW5P4JNYONAO2TEO3R","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":"9aabaf3b7078847e35b6f11c27eb73108c035bc83863807a3ff4419de9ba2be7","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-02-15T19:00:04Z","title_canon_sha256":"b0c185dc8eae50c49784ebc393b21d01ea333a8b22f7c9b823aee3641e1b402b"},"schema_version":"1.0","source":{"id":"2302.07901","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.07901","created_at":"2026-07-05T06:57:21Z"},{"alias_kind":"arxiv_version","alias_value":"2302.07901v3","created_at":"2026-07-05T06:57:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.07901","created_at":"2026-07-05T06:57:21Z"},{"alias_kind":"pith_short_12","alias_value":"YQPRM4R3DW5P","created_at":"2026-07-05T06:57:21Z"},{"alias_kind":"pith_short_16","alias_value":"YQPRM4R3DW5P4JNY","created_at":"2026-07-05T06:57:21Z"},{"alias_kind":"pith_short_8","alias_value":"YQPRM4R3","created_at":"2026-07-05T06:57:21Z"}],"graph_snapshots":[{"event_id":"sha256:34f8a407ecc9ea75e4cbdcc9b2b6be388066f13802103d25e290b2978345c27d","target":"graph","created_at":"2026-07-05T06:57:21Z","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/2302.07901/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We perform a Bayesian search in the latest Pulsar Timing Array (PTA) datasets for a stochastic gravitational wave (GW) background sourced by curvature perturbations at scales $10^5~\\text{Mpc}^{-1}\\lesssim k\\lesssim 10^8~\\text{Mpc}^{-1}$. These re-enter the Hubble horizon at temperatures around and below the QCD crossover phase transition in the early Universe. We include a stochastic background of astrophysical origin in our search and properly account for constraints on the curvature power spectrum from the overproduction of primordial black holes (PBHs). We find that the International PTA Da","authors_text":"Fabrizio Rompineve, Valerie Domcke, Virgile Dandoy","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-02-15T19:00:04Z","title":"Search for scalar induced gravitational waves in the International Pulsar Timing Array Data Release 2 and NANOgrav 12.5 years datasets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.07901","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":"sha256:85eebf58b9441c43cfc29930addfa2b22283b5b75d73969e705f6ae29ec6e04c","target":"record","created_at":"2026-07-05T06:57:21Z","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":"9aabaf3b7078847e35b6f11c27eb73108c035bc83863807a3ff4419de9ba2be7","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-02-15T19:00:04Z","title_canon_sha256":"b0c185dc8eae50c49784ebc393b21d01ea333a8b22f7c9b823aee3641e1b402b"},"schema_version":"1.0","source":{"id":"2302.07901","kind":"arxiv","version":3}},"canonical_sha256":"c41f16723b1dbafe25b87340ed4c8edc7a8295cd3e847d5b5a96e52d24ce3514","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c41f16723b1dbafe25b87340ed4c8edc7a8295cd3e847d5b5a96e52d24ce3514","first_computed_at":"2026-07-05T06:57:21.343721Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:57:21.343721Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6z05XF3mZ8W3EwBO1KVqPZxwlXUVQ7V4qpHl3rCyZGVEGRHpqc/k2GNmCIuWccy3z+KH1C0xy8kZRRV3mKasCw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:57:21.344217Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.07901","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:85eebf58b9441c43cfc29930addfa2b22283b5b75d73969e705f6ae29ec6e04c","sha256:34f8a407ecc9ea75e4cbdcc9b2b6be388066f13802103d25e290b2978345c27d"],"state_sha256":"d6cb31d1245faa5c874d27bfc218227acfab4f2672ae0c2d72f16e908091e6ad"}