{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:WAFY4IOBKNAT4BN7ASTM5WDPAY","short_pith_number":"pith:WAFY4IOB","schema_version":"1.0","canonical_sha256":"b00b8e21c153413e05bf04a6ced86f06389fbc07e1f2b42ed7af12bb10235fd8","source":{"kind":"arxiv","id":"2207.03107","version":2},"attestation_state":"computed","paper":{"title":"Probing dark matter interactions with 21cm observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Celine Boehm, Markus R. Mosbech, Yvonne Y. Y. Wong","submitted_at":"2022-07-07T06:26:56Z","abstract_excerpt":"Similarly to warm dark matter which features a cut-off in the matter power spectrum due to free-streaming, many interacting dark matter models predict a suppression of the matter power spectrum on small length scales through collisional damping. Forecasts for 21cm line intensity mapping have shown that an instrument like the SKA will be able to probe a suppression of power in warm dark matter scenarios in a statistically significant way. Here we investigate the implications of these findings on interacting dark matter scenarios, particularly dark matter-neutrino interactions, which we use as a"},"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":"2207.03107","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-07T06:26:56Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"3a84d385b3ca34d1412f69b2a645d744b884a04615593e83921da43492100552","abstract_canon_sha256":"4f3e009b7a9543014b27ba26b623278fa7a68a3e780c5ba81445ccd1f1bc1845"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:53:32.537609Z","signature_b64":"KqgKAdDMgcs8KcwbWvdZKwQMLn3MeSbSx/7lEcFpzetIf4YoqJtuW/8Wxn1g3/lQkVfV5BuiFUqBa2yRw6OgDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b00b8e21c153413e05bf04a6ced86f06389fbc07e1f2b42ed7af12bb10235fd8","last_reissued_at":"2026-07-05T05:53:32.537062Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:53:32.537062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Probing dark matter interactions with 21cm observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Celine Boehm, Markus R. Mosbech, Yvonne Y. Y. Wong","submitted_at":"2022-07-07T06:26:56Z","abstract_excerpt":"Similarly to warm dark matter which features a cut-off in the matter power spectrum due to free-streaming, many interacting dark matter models predict a suppression of the matter power spectrum on small length scales through collisional damping. Forecasts for 21cm line intensity mapping have shown that an instrument like the SKA will be able to probe a suppression of power in warm dark matter scenarios in a statistically significant way. Here we investigate the implications of these findings on interacting dark matter scenarios, particularly dark matter-neutrino interactions, which we use as a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.03107","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/2207.03107/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":"2207.03107","created_at":"2026-07-05T05:53:32.537122+00:00"},{"alias_kind":"arxiv_version","alias_value":"2207.03107v2","created_at":"2026-07-05T05:53:32.537122+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.03107","created_at":"2026-07-05T05:53:32.537122+00:00"},{"alias_kind":"pith_short_12","alias_value":"WAFY4IOBKNAT","created_at":"2026-07-05T05:53:32.537122+00:00"},{"alias_kind":"pith_short_16","alias_value":"WAFY4IOBKNAT4BN7","created_at":"2026-07-05T05:53:32.537122+00:00"},{"alias_kind":"pith_short_8","alias_value":"WAFY4IOB","created_at":"2026-07-05T05:53:32.537122+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WAFY4IOBKNAT4BN7ASTM5WDPAY","json":"https://pith.science/pith/WAFY4IOBKNAT4BN7ASTM5WDPAY.json","graph_json":"https://pith.science/api/pith-number/WAFY4IOBKNAT4BN7ASTM5WDPAY/graph.json","events_json":"https://pith.science/api/pith-number/WAFY4IOBKNAT4BN7ASTM5WDPAY/events.json","paper":"https://pith.science/paper/WAFY4IOB"},"agent_actions":{"view_html":"https://pith.science/pith/WAFY4IOBKNAT4BN7ASTM5WDPAY","download_json":"https://pith.science/pith/WAFY4IOBKNAT4BN7ASTM5WDPAY.json","view_paper":"https://pith.science/paper/WAFY4IOB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2207.03107&json=true","fetch_graph":"https://pith.science/api/pith-number/WAFY4IOBKNAT4BN7ASTM5WDPAY/graph.json","fetch_events":"https://pith.science/api/pith-number/WAFY4IOBKNAT4BN7ASTM5WDPAY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WAFY4IOBKNAT4BN7ASTM5WDPAY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WAFY4IOBKNAT4BN7ASTM5WDPAY/action/storage_attestation","attest_author":"https://pith.science/pith/WAFY4IOBKNAT4BN7ASTM5WDPAY/action/author_attestation","sign_citation":"https://pith.science/pith/WAFY4IOBKNAT4BN7ASTM5WDPAY/action/citation_signature","submit_replication":"https://pith.science/pith/WAFY4IOBKNAT4BN7ASTM5WDPAY/action/replication_record"}},"created_at":"2026-07-05T05:53:32.537122+00:00","updated_at":"2026-07-05T05:53:32.537122+00:00"}