{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:N5QN5QPOB5TWP4IJB52VCZP2FC","short_pith_number":"pith:N5QN5QPO","schema_version":"1.0","canonical_sha256":"6f60dec1ee0f6767f1090f755165fa28bea152247bd1dcc6acdec0af90d7be1d","source":{"kind":"arxiv","id":"1405.6938","version":1},"attestation_state":"computed","paper":{"title":"Science with CMB spectral distortions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Jens Chluba","submitted_at":"2014-05-27T14:52:46Z","abstract_excerpt":"The measurements of COBE/FIRAS have shown that the CMB spectrum is extremely close to a perfect blackbody. There are, however, a number of processes in the early Universe that should create spectral distortions at a level which is within reach of present day technology. In this talk, I will give a brief overview of recent theoretical and experimental developments, explaining why future measurements of the CMB spectrum will open up an unexplored window to early-universe and particle physics with possible non-standard surprises but also several guaranteed signals awaiting us."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1405.6938","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-05-27T14:52:46Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"e2d9924d1ce1b68e180dc0ec0cac06ebc163081cfe3bfaaa46d6747ebdea7116","abstract_canon_sha256":"62ee5be018d260151a10206f6d7e51313c74b16de9d44ea7dfce9183b302e6e6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:51:00.074300Z","signature_b64":"snsa1nC47dByqWgOgA13ccssM4JcErRDxXx30+kSziIy/d6FYc7Q4MaJ6atHLOJ6lxLQPdJH05sPUW32fEsXAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6f60dec1ee0f6767f1090f755165fa28bea152247bd1dcc6acdec0af90d7be1d","last_reissued_at":"2026-05-18T02:51:00.073861Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:51:00.073861Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Science with CMB spectral distortions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Jens Chluba","submitted_at":"2014-05-27T14:52:46Z","abstract_excerpt":"The measurements of COBE/FIRAS have shown that the CMB spectrum is extremely close to a perfect blackbody. There are, however, a number of processes in the early Universe that should create spectral distortions at a level which is within reach of present day technology. In this talk, I will give a brief overview of recent theoretical and experimental developments, explaining why future measurements of the CMB spectrum will open up an unexplored window to early-universe and particle physics with possible non-standard surprises but also several guaranteed signals awaiting us."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.6938","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1405.6938","created_at":"2026-05-18T02:51:00.073919+00:00"},{"alias_kind":"arxiv_version","alias_value":"1405.6938v1","created_at":"2026-05-18T02:51:00.073919+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.6938","created_at":"2026-05-18T02:51:00.073919+00:00"},{"alias_kind":"pith_short_12","alias_value":"N5QN5QPOB5TW","created_at":"2026-05-18T12:28:41.024544+00:00"},{"alias_kind":"pith_short_16","alias_value":"N5QN5QPOB5TWP4IJ","created_at":"2026-05-18T12:28:41.024544+00:00"},{"alias_kind":"pith_short_8","alias_value":"N5QN5QPO","created_at":"2026-05-18T12:28:41.024544+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.24838","citing_title":"spectroxide: A code package for computing cosmic microwave background spectral distortions","ref_index":3,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/N5QN5QPOB5TWP4IJB52VCZP2FC","json":"https://pith.science/pith/N5QN5QPOB5TWP4IJB52VCZP2FC.json","graph_json":"https://pith.science/api/pith-number/N5QN5QPOB5TWP4IJB52VCZP2FC/graph.json","events_json":"https://pith.science/api/pith-number/N5QN5QPOB5TWP4IJB52VCZP2FC/events.json","paper":"https://pith.science/paper/N5QN5QPO"},"agent_actions":{"view_html":"https://pith.science/pith/N5QN5QPOB5TWP4IJB52VCZP2FC","download_json":"https://pith.science/pith/N5QN5QPOB5TWP4IJB52VCZP2FC.json","view_paper":"https://pith.science/paper/N5QN5QPO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1405.6938&json=true","fetch_graph":"https://pith.science/api/pith-number/N5QN5QPOB5TWP4IJB52VCZP2FC/graph.json","fetch_events":"https://pith.science/api/pith-number/N5QN5QPOB5TWP4IJB52VCZP2FC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/N5QN5QPOB5TWP4IJB52VCZP2FC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/N5QN5QPOB5TWP4IJB52VCZP2FC/action/storage_attestation","attest_author":"https://pith.science/pith/N5QN5QPOB5TWP4IJB52VCZP2FC/action/author_attestation","sign_citation":"https://pith.science/pith/N5QN5QPOB5TWP4IJB52VCZP2FC/action/citation_signature","submit_replication":"https://pith.science/pith/N5QN5QPOB5TWP4IJB52VCZP2FC/action/replication_record"}},"created_at":"2026-05-18T02:51:00.073919+00:00","updated_at":"2026-05-18T02:51:00.073919+00:00"}