{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:FEV3LDVZN4H3NM7NK6JKL7MG72","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":"8cb5feda8e896026ce81137f9781b7a568184c6f1a2ed911178779a957365fd5","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-08-28T16:23:43Z","title_canon_sha256":"7c0bec4fcb9d0c55afc1a700c65e32c70622bb51f56aa382a3699bb9a6fdba02"},"schema_version":"1.0","source":{"id":"2308.14688","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.14688","created_at":"2026-07-05T10:39:58Z"},{"alias_kind":"arxiv_version","alias_value":"2308.14688v2","created_at":"2026-07-05T10:39:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.14688","created_at":"2026-07-05T10:39:58Z"},{"alias_kind":"pith_short_12","alias_value":"FEV3LDVZN4H3","created_at":"2026-07-05T10:39:58Z"},{"alias_kind":"pith_short_16","alias_value":"FEV3LDVZN4H3NM7N","created_at":"2026-07-05T10:39:58Z"},{"alias_kind":"pith_short_8","alias_value":"FEV3LDVZ","created_at":"2026-07-05T10:39:58Z"}],"graph_snapshots":[{"event_id":"sha256:bb09c1395218f4eec687be222d9b82c6f6f87b8392934ebafda717851b176ec1","target":"graph","created_at":"2026-07-05T10:39:58Z","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/2308.14688/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The data recently released by the North American Nanohertz Observatory for Gravitational Waves (NANOGrav) provides compelling evidence supporting the existence of a stochastic signal that aligns with a gravitational-wave background. We show that the scalar-induced gravitational waves from the Higgs inflation model with the parametric amplification mechanism can explain this signal. Such a gravitational-wave background naturally predicts the substantial existence of planet-mass primordial black holes, which can be planet 9 in our solar system and the lensing objects for the ultrashort-timescale","authors_text":"Lang Liu, You Wu, Zhi-Qiang You, Zhu Yi, Zu-Cheng Chen","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-08-28T16:23:43Z","title":"Exploring the NANOGrav Signal and Planet-mass Primordial Black Holes through Higgs Inflation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.14688","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":"sha256:6dec558ed662e314d12566c89578d3679945b04f4155ea0548720b053d483af9","target":"record","created_at":"2026-07-05T10:39:58Z","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":"8cb5feda8e896026ce81137f9781b7a568184c6f1a2ed911178779a957365fd5","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-08-28T16:23:43Z","title_canon_sha256":"7c0bec4fcb9d0c55afc1a700c65e32c70622bb51f56aa382a3699bb9a6fdba02"},"schema_version":"1.0","source":{"id":"2308.14688","kind":"arxiv","version":2}},"canonical_sha256":"292bb58eb96f0fb6b3ed5792a5fd86feb7c1f7d34ecec7da8be3bbe692e75f4d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"292bb58eb96f0fb6b3ed5792a5fd86feb7c1f7d34ecec7da8be3bbe692e75f4d","first_computed_at":"2026-07-05T10:39:58.588673Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:39:58.588673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sh0s58B/jWoxsXBCPpuFPdZ5SJewDqe5J/ASRI4tiD9FpHkXeCrcqdGDENmgYG7rQ00cCkG+baajXcrBJ+30Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:39:58.589107Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.14688","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6dec558ed662e314d12566c89578d3679945b04f4155ea0548720b053d483af9","sha256:bb09c1395218f4eec687be222d9b82c6f6f87b8392934ebafda717851b176ec1"],"state_sha256":"d0445913a9aaf7fddd5e3caed44466d74c435271ac5573a7a52325d98bdefa88"}