{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:DNRMXBXTYYKFWRKYFMRKEYT7CD","short_pith_number":"pith:DNRMXBXT","canonical_record":{"source":{"id":"2404.08266","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-04-12T06:28:18Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"1a280a73c546b77c1429072645b2c27a00b75720282ff1bbc4ede65258acc302","abstract_canon_sha256":"9bab62985d49d71413f910e4bd39135f2c15c55841f58877a744143b74cfdc19"},"schema_version":"1.0"},"canonical_sha256":"1b62cb86f3c6145b45582b22a2627f10ee42455aaa2629b8c4c4fa5a3bb0601a","source":{"kind":"arxiv","id":"2404.08266","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.08266","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"arxiv_version","alias_value":"2404.08266v1","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.08266","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"pith_short_12","alias_value":"DNRMXBXTYYKF","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"pith_short_16","alias_value":"DNRMXBXTYYKFWRKY","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"pith_short_8","alias_value":"DNRMXBXT","created_at":"2026-07-05T08:07:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:DNRMXBXTYYKFWRKYFMRKEYT7CD","target":"record","payload":{"canonical_record":{"source":{"id":"2404.08266","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-04-12T06:28:18Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"1a280a73c546b77c1429072645b2c27a00b75720282ff1bbc4ede65258acc302","abstract_canon_sha256":"9bab62985d49d71413f910e4bd39135f2c15c55841f58877a744143b74cfdc19"},"schema_version":"1.0"},"canonical_sha256":"1b62cb86f3c6145b45582b22a2627f10ee42455aaa2629b8c4c4fa5a3bb0601a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:07:19.987900Z","signature_b64":"xdbhUdoWkVwv6keNGNvtUIpOT18YzFWOeZiVMxZio8neub8V0l1jfioMQyQY5owP0aKxjbxkWQgF5YJaZAC/CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b62cb86f3c6145b45582b22a2627f10ee42455aaa2629b8c4c4fa5a3bb0601a","last_reissued_at":"2026-07-05T08:07:19.987404Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:07:19.987404Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.08266","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":"2026-07-05T08:07:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CQKHXiFKbo1quszrgQ1BAemrXzFrGRJngBufx64hMP14MtlbMz14htOMT68VsR2lLHGagRnmk7l3p7bKQjBnBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T08:10:32.948662Z"},"content_sha256":"8d1005372d828ddfb082750f6d131628ecfbf20937faabda307c9297cc5bd251","schema_version":"1.0","event_id":"sha256:8d1005372d828ddfb082750f6d131628ecfbf20937faabda307c9297cc5bd251"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:DNRMXBXTYYKFWRKYFMRKEYT7CD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Insights into the 21 cm field from the vanishing cross-power spectrum at the epoch of reionization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Adam Lidz, Angus Beane, Kana Moriwaki","submitted_at":"2024-04-12T06:28:18Z","abstract_excerpt":"The early stages of the Epoch of Reionization, probed by the 21 cm line, are sensitive to the detailed properties and formation histories of the first galaxies. We use 21cmFAST and a simple, self-consistent galaxy model to examine the redshift evolution of the large-scale cross-power spectrum between the 21 cm field and line-emitting galaxies. A key transition in redshift occurs when the 21 cm field shifts from being positively correlated with the galaxy distribution to being negatively correlated. Importantly, this transition redshift is insensitive to the properties of the galaxy tracers but"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.08266","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2404.08266/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:07:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l3od1AhGIJ0hjg0XjOmTkUprLs6BhpWRr3VD4vlA7AfcEmq2DDtAJerQ+XuOd5iw+A9FYsuKK7o9L0sZgSPuBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T08:10:32.949017Z"},"content_sha256":"bc89710346c5ecd298170da7790f0b556f89d99ee89b468537711cfa346acf93","schema_version":"1.0","event_id":"sha256:bc89710346c5ecd298170da7790f0b556f89d99ee89b468537711cfa346acf93"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DNRMXBXTYYKFWRKYFMRKEYT7CD/bundle.json","state_url":"https://pith.science/pith/DNRMXBXTYYKFWRKYFMRKEYT7CD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DNRMXBXTYYKFWRKYFMRKEYT7CD/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":"2026-08-18T08:10:32Z","links":{"resolver":"https://pith.science/pith/DNRMXBXTYYKFWRKYFMRKEYT7CD","bundle":"https://pith.science/pith/DNRMXBXTYYKFWRKYFMRKEYT7CD/bundle.json","state":"https://pith.science/pith/DNRMXBXTYYKFWRKYFMRKEYT7CD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DNRMXBXTYYKFWRKYFMRKEYT7CD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:DNRMXBXTYYKFWRKYFMRKEYT7CD","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":"9bab62985d49d71413f910e4bd39135f2c15c55841f58877a744143b74cfdc19","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-04-12T06:28:18Z","title_canon_sha256":"1a280a73c546b77c1429072645b2c27a00b75720282ff1bbc4ede65258acc302"},"schema_version":"1.0","source":{"id":"2404.08266","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.08266","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"arxiv_version","alias_value":"2404.08266v1","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.08266","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"pith_short_12","alias_value":"DNRMXBXTYYKF","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"pith_short_16","alias_value":"DNRMXBXTYYKFWRKY","created_at":"2026-07-05T08:07:19Z"},{"alias_kind":"pith_short_8","alias_value":"DNRMXBXT","created_at":"2026-07-05T08:07:19Z"}],"graph_snapshots":[{"event_id":"sha256:bc89710346c5ecd298170da7790f0b556f89d99ee89b468537711cfa346acf93","target":"graph","created_at":"2026-07-05T08:07:19Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2404.08266/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The early stages of the Epoch of Reionization, probed by the 21 cm line, are sensitive to the detailed properties and formation histories of the first galaxies. We use 21cmFAST and a simple, self-consistent galaxy model to examine the redshift evolution of the large-scale cross-power spectrum between the 21 cm field and line-emitting galaxies. A key transition in redshift occurs when the 21 cm field shifts from being positively correlated with the galaxy distribution to being negatively correlated. Importantly, this transition redshift is insensitive to the properties of the galaxy tracers but","authors_text":"Adam Lidz, Angus Beane, Kana Moriwaki","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-04-12T06:28:18Z","title":"Insights into the 21 cm field from the vanishing cross-power spectrum at the epoch of reionization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.08266","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":"sha256:8d1005372d828ddfb082750f6d131628ecfbf20937faabda307c9297cc5bd251","target":"record","created_at":"2026-07-05T08:07:19Z","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":"9bab62985d49d71413f910e4bd39135f2c15c55841f58877a744143b74cfdc19","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-04-12T06:28:18Z","title_canon_sha256":"1a280a73c546b77c1429072645b2c27a00b75720282ff1bbc4ede65258acc302"},"schema_version":"1.0","source":{"id":"2404.08266","kind":"arxiv","version":1}},"canonical_sha256":"1b62cb86f3c6145b45582b22a2627f10ee42455aaa2629b8c4c4fa5a3bb0601a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1b62cb86f3c6145b45582b22a2627f10ee42455aaa2629b8c4c4fa5a3bb0601a","first_computed_at":"2026-07-05T08:07:19.987404Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:07:19.987404Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xdbhUdoWkVwv6keNGNvtUIpOT18YzFWOeZiVMxZio8neub8V0l1jfioMQyQY5owP0aKxjbxkWQgF5YJaZAC/CA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:07:19.987900Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.08266","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8d1005372d828ddfb082750f6d131628ecfbf20937faabda307c9297cc5bd251","sha256:bc89710346c5ecd298170da7790f0b556f89d99ee89b468537711cfa346acf93"],"state_sha256":"76aba0aaba243f56cda4a26b083246d1e127ce63be375e82671a323230ade97a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LzozODb6V6R0OWI6KEiOiNyczm0LnLzDIkWcvNZV0IKXV3q1XfEJQ1oSYtzvQ600Y7NaisLN9M6GJi7+S1RyDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T08:10:32.952644Z","bundle_sha256":"61a483464692fdbd0000c840b6eb8a7f33f2eb4e185c431f1911aaf243611850"}}