{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:D4VUM64JLGLQRIUYC47PEFYMG2","short_pith_number":"pith:D4VUM64J","canonical_record":{"source":{"id":"1104.4800","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-04-25T20:25:29Z","cross_cats_sorted":[],"title_canon_sha256":"236ab1b2ca0bc2814e33dfebf17c74f1c304138c31b56ba8a0ac34d4fa761c29","abstract_canon_sha256":"57f2ac12443350655895df3eda19b20facff56cb4fb9e342cd8d79f38baf1338"},"schema_version":"1.0"},"canonical_sha256":"1f2b467b89599708a298173ef2170c36ab130bf53a561c7ca8f50c92d198dc1f","source":{"kind":"arxiv","id":"1104.4800","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.4800","created_at":"2026-05-18T02:02:15Z"},{"alias_kind":"arxiv_version","alias_value":"1104.4800v1","created_at":"2026-05-18T02:02:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.4800","created_at":"2026-05-18T02:02:15Z"},{"alias_kind":"pith_short_12","alias_value":"D4VUM64JLGLQ","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"D4VUM64JLGLQRIUY","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"D4VUM64J","created_at":"2026-05-18T12:26:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:D4VUM64JLGLQRIUYC47PEFYMG2","target":"record","payload":{"canonical_record":{"source":{"id":"1104.4800","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-04-25T20:25:29Z","cross_cats_sorted":[],"title_canon_sha256":"236ab1b2ca0bc2814e33dfebf17c74f1c304138c31b56ba8a0ac34d4fa761c29","abstract_canon_sha256":"57f2ac12443350655895df3eda19b20facff56cb4fb9e342cd8d79f38baf1338"},"schema_version":"1.0"},"canonical_sha256":"1f2b467b89599708a298173ef2170c36ab130bf53a561c7ca8f50c92d198dc1f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:15.249276Z","signature_b64":"D8RhrLbf/fqZ+JVE6GKQK+RXM1WDKX0d5UyENC52IsNgD4Ky4+66szeNXknuZ0Sl/T3wgqHnMm43oi2Rl+9VDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f2b467b89599708a298173ef2170c36ab130bf53a561c7ca8f50c92d198dc1f","last_reissued_at":"2026-05-18T02:02:15.248413Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:15.248413Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.4800","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:02:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sts7H3FrOluTvchB10crDkvCeKImv0O2js+UM9j7bkNfDhTPsp9Zssr7BV7S6hUbsXELpKhAz0pmkPGzGctWAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:44:11.435545Z"},"content_sha256":"999eaf82f1e487c7800839d5f43c97451d8120161c814988c96a6c1ba766cb6a","schema_version":"1.0","event_id":"sha256:999eaf82f1e487c7800839d5f43c97451d8120161c814988c96a6c1ba766cb6a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:D4VUM64JLGLQRIUYC47PEFYMG2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Intensity Mapping with Carbon Monoxide Emission Lines and the Redshifted 21 cm Line","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Adam Lidz, James Aguirre, Jonathan R. Pritchard, Olivier Dor\\'e, S. Peng Oh, Steven R. Furlanetto, Tzu-Ching Chang","submitted_at":"2011-04-25T20:25:29Z","abstract_excerpt":"We quantify the prospects for using emission lines from rotational transitions of the CO molecule to perform an `intensity mapping' observation at high redshift during the Epoch of Reionization (EoR). The aim of CO intensity mapping is to observe the combined CO emission from many unresolved galaxies, to measure the spatial fluctuations in this emission, and use this as a tracer of large scale structure at very early times in the history of our Universe. This measurement would help determine the properties of molecular clouds -- the sites of star formation -- in the very galaxies that reionize"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.4800","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:02:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IM5kONjeoZEgx/6Vj4YCrFQCXH+qg9XJycccWb9kAaWNnW2nO3ty7SouFr1RgSBUOzYucQjfAXmLecHho946Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:44:11.436272Z"},"content_sha256":"47be5fe0c367fbe161c5ebea0890d5455f2338493ef6db6e8dbe79e2576ff894","schema_version":"1.0","event_id":"sha256:47be5fe0c367fbe161c5ebea0890d5455f2338493ef6db6e8dbe79e2576ff894"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D4VUM64JLGLQRIUYC47PEFYMG2/bundle.json","state_url":"https://pith.science/pith/D4VUM64JLGLQRIUYC47PEFYMG2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D4VUM64JLGLQRIUYC47PEFYMG2/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-25T18:44:11Z","links":{"resolver":"https://pith.science/pith/D4VUM64JLGLQRIUYC47PEFYMG2","bundle":"https://pith.science/pith/D4VUM64JLGLQRIUYC47PEFYMG2/bundle.json","state":"https://pith.science/pith/D4VUM64JLGLQRIUYC47PEFYMG2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D4VUM64JLGLQRIUYC47PEFYMG2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:D4VUM64JLGLQRIUYC47PEFYMG2","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":"57f2ac12443350655895df3eda19b20facff56cb4fb9e342cd8d79f38baf1338","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-04-25T20:25:29Z","title_canon_sha256":"236ab1b2ca0bc2814e33dfebf17c74f1c304138c31b56ba8a0ac34d4fa761c29"},"schema_version":"1.0","source":{"id":"1104.4800","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.4800","created_at":"2026-05-18T02:02:15Z"},{"alias_kind":"arxiv_version","alias_value":"1104.4800v1","created_at":"2026-05-18T02:02:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.4800","created_at":"2026-05-18T02:02:15Z"},{"alias_kind":"pith_short_12","alias_value":"D4VUM64JLGLQ","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"D4VUM64JLGLQRIUY","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"D4VUM64J","created_at":"2026-05-18T12:26:26Z"}],"graph_snapshots":[{"event_id":"sha256:47be5fe0c367fbe161c5ebea0890d5455f2338493ef6db6e8dbe79e2576ff894","target":"graph","created_at":"2026-05-18T02:02:15Z","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":"We quantify the prospects for using emission lines from rotational transitions of the CO molecule to perform an `intensity mapping' observation at high redshift during the Epoch of Reionization (EoR). The aim of CO intensity mapping is to observe the combined CO emission from many unresolved galaxies, to measure the spatial fluctuations in this emission, and use this as a tracer of large scale structure at very early times in the history of our Universe. This measurement would help determine the properties of molecular clouds -- the sites of star formation -- in the very galaxies that reionize","authors_text":"Adam Lidz, James Aguirre, Jonathan R. Pritchard, Olivier Dor\\'e, S. Peng Oh, Steven R. Furlanetto, Tzu-Ching Chang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-04-25T20:25:29Z","title":"Intensity Mapping with Carbon Monoxide Emission Lines and the Redshifted 21 cm Line"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.4800","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":"sha256:999eaf82f1e487c7800839d5f43c97451d8120161c814988c96a6c1ba766cb6a","target":"record","created_at":"2026-05-18T02:02:15Z","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":"57f2ac12443350655895df3eda19b20facff56cb4fb9e342cd8d79f38baf1338","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-04-25T20:25:29Z","title_canon_sha256":"236ab1b2ca0bc2814e33dfebf17c74f1c304138c31b56ba8a0ac34d4fa761c29"},"schema_version":"1.0","source":{"id":"1104.4800","kind":"arxiv","version":1}},"canonical_sha256":"1f2b467b89599708a298173ef2170c36ab130bf53a561c7ca8f50c92d198dc1f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1f2b467b89599708a298173ef2170c36ab130bf53a561c7ca8f50c92d198dc1f","first_computed_at":"2026-05-18T02:02:15.248413Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:15.248413Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D8RhrLbf/fqZ+JVE6GKQK+RXM1WDKX0d5UyENC52IsNgD4Ky4+66szeNXknuZ0Sl/T3wgqHnMm43oi2Rl+9VDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:15.249276Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.4800","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:999eaf82f1e487c7800839d5f43c97451d8120161c814988c96a6c1ba766cb6a","sha256:47be5fe0c367fbe161c5ebea0890d5455f2338493ef6db6e8dbe79e2576ff894"],"state_sha256":"39125d9fef73ee412dab35aa796a84f4f61a6988abfdfb00e23796726ce5a4af"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TW+Ycls1NTeIO5JNg+ONq9k1asJEjPBW2saDhsyYOaTOl2lUY2jqMaU1JA5gH/alewORwI1bQDZ/Yw9c2IjqCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:44:11.440132Z","bundle_sha256":"5b97f14aea3993e4541fb1d1c05c8471dff84ff9c016888dc4c9479ce20d1633"}}