{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:76J37F4LG5YNMN3ESVB3H3VO6E","short_pith_number":"pith:76J37F4L","schema_version":"1.0","canonical_sha256":"ff93bf978b3770d637649543b3eeaef10dedaff44dc50fff00f125e34f758d74","source":{"kind":"arxiv","id":"1910.06272","version":2},"attestation_state":"computed","paper":{"title":"CMB anisotropy and BBN constraints on pre-recombination decay of dark matter to visible particles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Rishi Khatri, Sandeep Kumar Acharya","submitted_at":"2019-10-14T16:56:20Z","abstract_excerpt":"Injection of high energy electromagnetic particles around the recombination epoch can modify the standard recombination history and therefore the CMB anisotropy power spectrum. Previous studies have put strong constraints on the amount of electromagnetic energy injection around the recombination era (redshifts $z\\lesssim 4500$). However, energy injected in the form of energetic ($>$ keV) visible standard model particles is not deposited instantaneously. The considerable delay between the time of energy injection and the time when all energy is deposited to background baryonic gas and CMB photo"},"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":"1910.06272","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-10-14T16:56:20Z","cross_cats_sorted":["astro-ph.HE","hep-ph"],"title_canon_sha256":"d33badedfc028291c5ca7fb5a0eb03b7113ddb6f1bff75444491a5f62ef82642","abstract_canon_sha256":"7025d07ee092895ac020a83b377dabc3f225fec0fbe51fbd896657e13d7ec83c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:26:59.062953Z","signature_b64":"ZJfM/b/GSCQBGPbgXPidmJnCILePjlLo3r/QrSaHpOPmVw3s9U60G+CvnfpjXOxlI8U1q9nwCpcXbr+mJHjmCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff93bf978b3770d637649543b3eeaef10dedaff44dc50fff00f125e34f758d74","last_reissued_at":"2026-07-05T00:26:59.062448Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:26:59.062448Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"CMB anisotropy and BBN constraints on pre-recombination decay of dark matter to visible particles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Rishi Khatri, Sandeep Kumar Acharya","submitted_at":"2019-10-14T16:56:20Z","abstract_excerpt":"Injection of high energy electromagnetic particles around the recombination epoch can modify the standard recombination history and therefore the CMB anisotropy power spectrum. Previous studies have put strong constraints on the amount of electromagnetic energy injection around the recombination era (redshifts $z\\lesssim 4500$). However, energy injected in the form of energetic ($>$ keV) visible standard model particles is not deposited instantaneously. The considerable delay between the time of energy injection and the time when all energy is deposited to background baryonic gas and CMB photo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.06272","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1910.06272/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"1910.06272","created_at":"2026-07-05T00:26:59.062510+00:00"},{"alias_kind":"arxiv_version","alias_value":"1910.06272v2","created_at":"2026-07-05T00:26:59.062510+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.06272","created_at":"2026-07-05T00:26:59.062510+00:00"},{"alias_kind":"pith_short_12","alias_value":"76J37F4LG5YN","created_at":"2026-07-05T00:26:59.062510+00:00"},{"alias_kind":"pith_short_16","alias_value":"76J37F4LG5YNMN3E","created_at":"2026-07-05T00:26:59.062510+00:00"},{"alias_kind":"pith_short_8","alias_value":"76J37F4L","created_at":"2026-07-05T00:26:59.062510+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.19198","citing_title":"Cosmological constraints on TeV-scale dark matter subcomponents decaying between recombination and reionisation","ref_index":1,"is_internal_anchor":false},{"citing_arxiv_id":"2604.18677","citing_title":"The KM3NeT event: a primordial high energy neutrino?","ref_index":27,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/76J37F4LG5YNMN3ESVB3H3VO6E","json":"https://pith.science/pith/76J37F4LG5YNMN3ESVB3H3VO6E.json","graph_json":"https://pith.science/api/pith-number/76J37F4LG5YNMN3ESVB3H3VO6E/graph.json","events_json":"https://pith.science/api/pith-number/76J37F4LG5YNMN3ESVB3H3VO6E/events.json","paper":"https://pith.science/paper/76J37F4L"},"agent_actions":{"view_html":"https://pith.science/pith/76J37F4LG5YNMN3ESVB3H3VO6E","download_json":"https://pith.science/pith/76J37F4LG5YNMN3ESVB3H3VO6E.json","view_paper":"https://pith.science/paper/76J37F4L","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1910.06272&json=true","fetch_graph":"https://pith.science/api/pith-number/76J37F4LG5YNMN3ESVB3H3VO6E/graph.json","fetch_events":"https://pith.science/api/pith-number/76J37F4LG5YNMN3ESVB3H3VO6E/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/76J37F4LG5YNMN3ESVB3H3VO6E/action/timestamp_anchor","attest_storage":"https://pith.science/pith/76J37F4LG5YNMN3ESVB3H3VO6E/action/storage_attestation","attest_author":"https://pith.science/pith/76J37F4LG5YNMN3ESVB3H3VO6E/action/author_attestation","sign_citation":"https://pith.science/pith/76J37F4LG5YNMN3ESVB3H3VO6E/action/citation_signature","submit_replication":"https://pith.science/pith/76J37F4LG5YNMN3ESVB3H3VO6E/action/replication_record"}},"created_at":"2026-07-05T00:26:59.062510+00:00","updated_at":"2026-07-05T00:26:59.062510+00:00"}