{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:FILXBIHJC3GGEJOT45JHD7MV4U","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":"f2e55202ebfa294833596dc493aaf83e175e4e8db029e02f03188454c4643ccf","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-09-08T17:47:57Z","title_canon_sha256":"106e13b3b3f6694a58248947870c078a9e1d762b9478dc96d2f8d1ce3531c9b6"},"schema_version":"1.0","source":{"id":"astro-ph/0009135","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0009135","created_at":"2026-07-04T16:17:07Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0009135v2","created_at":"2026-07-04T16:17:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0009135","created_at":"2026-07-04T16:17:07Z"},{"alias_kind":"pith_short_12","alias_value":"FILXBIHJC3GG","created_at":"2026-07-04T16:17:07Z"},{"alias_kind":"pith_short_16","alias_value":"FILXBIHJC3GGEJOT","created_at":"2026-07-04T16:17:07Z"},{"alias_kind":"pith_short_8","alias_value":"FILXBIHJ","created_at":"2026-07-04T16:17:07Z"}],"graph_snapshots":[{"event_id":"sha256:f1688731876d8136a0207938eacc5c4e08565bd80fa54d18deee44cdfdae4e04","target":"graph","created_at":"2026-07-04T16:17:07Z","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/astro-ph/0009135/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have analyzed the available polarization surveys of the Galactic emission to estimate to what extent it may be a serious hindrance to forthcoming experiments aimed at detecting the polarized component of Cosmic Microwave Background (CMB) anisotropies. Regions were identified for which independent data consistently indicate that depolarization must be small. The power spectrum of the polarized emission, in terms of antenna temperature, was found to be described by $C_{\\ell}\\simeq (1.2\\pm 0.8)\\cdot 10^{-9}\\cdot (\\ell / 450)^{-1.8\\pm 0.3}\\cdot (\\nu/ 2.4{\\rm GHz})^{-5.8}$ K$^{2}$, from arcminut","authors_text":"C. Baccigalupi, C. Burigana, D.Maino, F.Perrotta, G.de Zotti, L.La Porta, M.Maris, R.Paladini","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2000-09-08T17:47:57Z","title":"Power spectrum of the polarized diffuse Galactic radio emission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0009135","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:feba1df845890125eda215b5b848995623eff6c5f159a670317ed46d33e9c01b","target":"record","created_at":"2026-07-04T16:17:07Z","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":"f2e55202ebfa294833596dc493aaf83e175e4e8db029e02f03188454c4643ccf","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-09-08T17:47:57Z","title_canon_sha256":"106e13b3b3f6694a58248947870c078a9e1d762b9478dc96d2f8d1ce3531c9b6"},"schema_version":"1.0","source":{"id":"astro-ph/0009135","kind":"arxiv","version":2}},"canonical_sha256":"2a1770a0e916cc6225d3e75271fd95e50d1daf3795ed1a4d1103b9c53709316a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2a1770a0e916cc6225d3e75271fd95e50d1daf3795ed1a4d1103b9c53709316a","first_computed_at":"2026-07-04T16:17:07.959582Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:17:07.959582Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SiwMWtWBuVwVPpGPrPZCoCvVcu7zAsfVrGQZ2TAOs0t2mYmcArfvMretLRc3Qc/tllkT3M5Kfa3fUw6i1Ad9Aw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:17:07.960010Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0009135","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:feba1df845890125eda215b5b848995623eff6c5f159a670317ed46d33e9c01b","sha256:f1688731876d8136a0207938eacc5c4e08565bd80fa54d18deee44cdfdae4e04"],"state_sha256":"6745be2dd7017ba3becff7ea1aee3f12572c79e84f66ee9e1ea941f68071d416"}