{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:XSRTCHINJE6VA7OC3T2MCCHISX","short_pith_number":"pith:XSRTCHIN","schema_version":"1.0","canonical_sha256":"bca3311d0d493d507dc2dcf4c108e895e33ad2821c597aebeb0e39b4ff0c0877","source":{"kind":"arxiv","id":"1510.02296","version":1},"attestation_state":"computed","paper":{"title":"Detailed modelling of the 21-cm Forest","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Benoit Semelin","submitted_at":"2015-10-08T12:46:03Z","abstract_excerpt":"The 21-cm forest is a promising probe of the Epoch of Reionization. The local state of the intergalactic medium (IGM) is encoded in the spectrum of a background source (radio-loud quasars or gamma ray burst afterglow) by absorption at the local 21-cm wavelength, resulting in a continuous and fluctuating absorption level. Small-scale structures (filaments and minihaloes) in the IGM are responsible for the strongest absorption features. The absorption can also be modulated on large scales by inhomogeneous heating and Wouthuysen-Field coupling.\n  We present the results from a simulation that atte"},"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":"1510.02296","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-10-08T12:46:03Z","cross_cats_sorted":[],"title_canon_sha256":"cb2506de5a59c2ab7506b16f573803ac4d242b90e900f8d0537d869a6f6daaa5","abstract_canon_sha256":"526852356e8d3976d23238d35b8ee1d571528394c2da3cbbcf280d630d14385a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:26:41.128901Z","signature_b64":"OIB5+8/sB83UA3bYUj+G0TZ/D15KH0mqylarPRUQYBvO2sO27sBSZFxTqNkvrh9Jv9oab/52aY7sIoB0+n+nAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bca3311d0d493d507dc2dcf4c108e895e33ad2821c597aebeb0e39b4ff0c0877","last_reissued_at":"2026-05-18T01:26:41.128347Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:26:41.128347Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Detailed modelling of the 21-cm Forest","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Benoit Semelin","submitted_at":"2015-10-08T12:46:03Z","abstract_excerpt":"The 21-cm forest is a promising probe of the Epoch of Reionization. The local state of the intergalactic medium (IGM) is encoded in the spectrum of a background source (radio-loud quasars or gamma ray burst afterglow) by absorption at the local 21-cm wavelength, resulting in a continuous and fluctuating absorption level. Small-scale structures (filaments and minihaloes) in the IGM are responsible for the strongest absorption features. The absorption can also be modulated on large scales by inhomogeneous heating and Wouthuysen-Field coupling.\n  We present the results from a simulation that atte"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.02296","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":"1510.02296","created_at":"2026-05-18T01:26:41.128443+00:00"},{"alias_kind":"arxiv_version","alias_value":"1510.02296v1","created_at":"2026-05-18T01:26:41.128443+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.02296","created_at":"2026-05-18T01:26:41.128443+00:00"},{"alias_kind":"pith_short_12","alias_value":"XSRTCHINJE6V","created_at":"2026-05-18T12:29:50.041715+00:00"},{"alias_kind":"pith_short_16","alias_value":"XSRTCHINJE6VA7OC","created_at":"2026-05-18T12:29:50.041715+00:00"},{"alias_kind":"pith_short_8","alias_value":"XSRTCHIN","created_at":"2026-05-18T12:29:50.041715+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2511.13092","citing_title":"Topological Signatures of Heating and Dark Matter in the 21 cm Forest","ref_index":9,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/XSRTCHINJE6VA7OC3T2MCCHISX","json":"https://pith.science/pith/XSRTCHINJE6VA7OC3T2MCCHISX.json","graph_json":"https://pith.science/api/pith-number/XSRTCHINJE6VA7OC3T2MCCHISX/graph.json","events_json":"https://pith.science/api/pith-number/XSRTCHINJE6VA7OC3T2MCCHISX/events.json","paper":"https://pith.science/paper/XSRTCHIN"},"agent_actions":{"view_html":"https://pith.science/pith/XSRTCHINJE6VA7OC3T2MCCHISX","download_json":"https://pith.science/pith/XSRTCHINJE6VA7OC3T2MCCHISX.json","view_paper":"https://pith.science/paper/XSRTCHIN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1510.02296&json=true","fetch_graph":"https://pith.science/api/pith-number/XSRTCHINJE6VA7OC3T2MCCHISX/graph.json","fetch_events":"https://pith.science/api/pith-number/XSRTCHINJE6VA7OC3T2MCCHISX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XSRTCHINJE6VA7OC3T2MCCHISX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XSRTCHINJE6VA7OC3T2MCCHISX/action/storage_attestation","attest_author":"https://pith.science/pith/XSRTCHINJE6VA7OC3T2MCCHISX/action/author_attestation","sign_citation":"https://pith.science/pith/XSRTCHINJE6VA7OC3T2MCCHISX/action/citation_signature","submit_replication":"https://pith.science/pith/XSRTCHINJE6VA7OC3T2MCCHISX/action/replication_record"}},"created_at":"2026-05-18T01:26:41.128443+00:00","updated_at":"2026-05-18T01:26:41.128443+00:00"}