{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:CMVFQCSAQNI2VNA5BD2SDBI255","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":"5f25ce9451677b925883d9753b195628dbb75c75d81f8bc3d6a026a9a2611e58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-01T10:46:27Z","title_canon_sha256":"babe5f9e4a05784848b81b1d782b5cc2e57da661abd5c2269c1db02959aeffe5"},"schema_version":"1.0","source":{"id":"1206.0143","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.0143","created_at":"2026-05-18T03:54:27Z"},{"alias_kind":"arxiv_version","alias_value":"1206.0143v1","created_at":"2026-05-18T03:54:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.0143","created_at":"2026-05-18T03:54:27Z"},{"alias_kind":"pith_short_12","alias_value":"CMVFQCSAQNI2","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"CMVFQCSAQNI2VNA5","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"CMVFQCSA","created_at":"2026-05-18T12:27:01Z"}],"graph_snapshots":[{"event_id":"sha256:43f91fe494d43c49b59ff9e295be3ab082ee98849d14d17be85373f2b0679984","target":"graph","created_at":"2026-05-18T03:54:27Z","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"},"paper":{"abstract_excerpt":"The 21-cm and Lyman Alpha lines are the dominant line-emission spectral features at opposite ends of the spectrum of hydrogen. Each line can be used to create three dimensional intensity maps of large scale structure. The sky brightness at low redshift due to Lyman Alpha emission is estimated to be 0.4 Jy/Steradian, which is brighter than the zodiacal light foreground.","authors_text":"Enrique Suarez, J. B. Peterson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-01T10:46:27Z","title":"Intensity Mapping with the 21-cm and Lyman Alpha Lines"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.0143","kind":"arxiv","version":1},"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:ea354d464a88a1bbcb800b38e70c092d920bd7b08896e1e28f156e31dfb4d89a","target":"record","created_at":"2026-05-18T03:54:27Z","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":"5f25ce9451677b925883d9753b195628dbb75c75d81f8bc3d6a026a9a2611e58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-01T10:46:27Z","title_canon_sha256":"babe5f9e4a05784848b81b1d782b5cc2e57da661abd5c2269c1db02959aeffe5"},"schema_version":"1.0","source":{"id":"1206.0143","kind":"arxiv","version":1}},"canonical_sha256":"132a580a408351aab41d08f521851aef69cf63fa67fb55776d15ee0a1dbfa42c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"132a580a408351aab41d08f521851aef69cf63fa67fb55776d15ee0a1dbfa42c","first_computed_at":"2026-05-18T03:54:27.010866Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:54:27.010866Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3T8OJl1OXpsZlt0tsQW5RdexZb+Ycc/SPqMxsOg0hF1qhRJ7oz9JD0ELF8sFwSt2vHQ07J6a5pZvLkOUGHQRAw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:54:27.011383Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.0143","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ea354d464a88a1bbcb800b38e70c092d920bd7b08896e1e28f156e31dfb4d89a","sha256:43f91fe494d43c49b59ff9e295be3ab082ee98849d14d17be85373f2b0679984"],"state_sha256":"0f1e3fc5a7a6309f84fac1fb321f1849fc27e8cab0021ac71458cb298b580731"}