{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:OMNU4YVG4WPUL2LPJYW3UYJ4OK","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":"39c6dbeb6e2bb2a2a89bd3e5811946b38a3eb73c52e117e75df73915ff8ea15f","cross_cats_sorted":["astro-ph.HE","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-06-28T22:23:18Z","title_canon_sha256":"4c9e44414057739360a3da5dd431dcb7a85f3533f492eee2a77fe6f9119ea191"},"schema_version":"1.0","source":{"id":"2506.23029","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.23029","created_at":"2026-07-05T11:28:49Z"},{"alias_kind":"arxiv_version","alias_value":"2506.23029v1","created_at":"2026-07-05T11:28:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.23029","created_at":"2026-07-05T11:28:49Z"},{"alias_kind":"pith_short_12","alias_value":"OMNU4YVG4WPU","created_at":"2026-07-05T11:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"OMNU4YVG4WPUL2LP","created_at":"2026-07-05T11:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"OMNU4YVG","created_at":"2026-07-05T11:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:f0c3f94f1c51f9685b52b2cfffbbd52bb5e26757d7f0e584b6b567b108634e63","target":"graph","created_at":"2026-07-05T11:28:49Z","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/2506.23029/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Dark matter is fundamental to the composition, structure, and evolution of the universe. Combining the ACT's cosmic microwave background, DESI's baryon acoustic oscillations with DESY5 type Ia supernova observations, we find a $3.4\\,\\sigma$ evidence for dynamical dark matter (DDM) with an equation of state, $\\omega_{dm}(a)=\\omega_{dm0}+\\omega_{dma}(1-a)$. Independent of the Planck measurements, the ACT data confirms the linear relation $\\omega_{dma}=-\\omega_{dm0}$, inducing that the equation of state of dark matter is directly proportional to the scale factor $a$. Furthermore, the effects of D","authors_text":"Deng Wang, Kazuharu Bamba","cross_cats":["astro-ph.HE","gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-06-28T22:23:18Z","title":"ACT DR6 Leads to Stronger Evidence for Dynamical Dark Matter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.23029","kind":"arxiv","version":1},"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:d487fdb870f758c35eef6449b4f486281510ac1341bc6d82c5edbcc61c615838","target":"record","created_at":"2026-07-05T11:28:49Z","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":"39c6dbeb6e2bb2a2a89bd3e5811946b38a3eb73c52e117e75df73915ff8ea15f","cross_cats_sorted":["astro-ph.HE","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-06-28T22:23:18Z","title_canon_sha256":"4c9e44414057739360a3da5dd431dcb7a85f3533f492eee2a77fe6f9119ea191"},"schema_version":"1.0","source":{"id":"2506.23029","kind":"arxiv","version":1}},"canonical_sha256":"731b4e62a6e59f45e96f4e2dba613c72bb56f20f38e0aacac443c018dda0c9f7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"731b4e62a6e59f45e96f4e2dba613c72bb56f20f38e0aacac443c018dda0c9f7","first_computed_at":"2026-07-05T11:28:49.465262Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:28:49.465262Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lfxl4nNnChskQPrI5vxUZotNX+4cs+8uD5QTNTDxZ/4Z/VUR6PyYM8D+amc/o5i8VSlu3uHDJuKgv1oN9C3OAw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:28:49.465766Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.23029","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d487fdb870f758c35eef6449b4f486281510ac1341bc6d82c5edbcc61c615838","sha256:f0c3f94f1c51f9685b52b2cfffbbd52bb5e26757d7f0e584b6b567b108634e63"],"state_sha256":"eeaee7619d8b66d540be83c6fbf388889e9b3d3f8003dfca12a153dea333fd11"}