{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:VDE4J4QUPYNKNHLXGXP5QS3OTP","short_pith_number":"pith:VDE4J4QU","canonical_record":{"source":{"id":"2107.01639","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-07-04T14:06:54Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"484e38c81620eec75563d609032ff63c61f2819da2559587d5163880da75f024","abstract_canon_sha256":"a46f54fa7643e67c9da278834f2ae1efc96b1758f7089b1f9a0ed9f486cc5232"},"schema_version":"1.0"},"canonical_sha256":"a8c9c4f2147e1aa69d7735dfd84b6e9bc502830f2f79dc0b90e8525bca350e50","source":{"kind":"arxiv","id":"2107.01639","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.01639","created_at":"2026-07-05T04:45:47Z"},{"alias_kind":"arxiv_version","alias_value":"2107.01639v2","created_at":"2026-07-05T04:45:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.01639","created_at":"2026-07-05T04:45:47Z"},{"alias_kind":"pith_short_12","alias_value":"VDE4J4QUPYNK","created_at":"2026-07-05T04:45:47Z"},{"alias_kind":"pith_short_16","alias_value":"VDE4J4QUPYNKNHLX","created_at":"2026-07-05T04:45:47Z"},{"alias_kind":"pith_short_8","alias_value":"VDE4J4QU","created_at":"2026-07-05T04:45:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:VDE4J4QUPYNKNHLXGXP5QS3OTP","target":"record","payload":{"canonical_record":{"source":{"id":"2107.01639","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-07-04T14:06:54Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"484e38c81620eec75563d609032ff63c61f2819da2559587d5163880da75f024","abstract_canon_sha256":"a46f54fa7643e67c9da278834f2ae1efc96b1758f7089b1f9a0ed9f486cc5232"},"schema_version":"1.0"},"canonical_sha256":"a8c9c4f2147e1aa69d7735dfd84b6e9bc502830f2f79dc0b90e8525bca350e50","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:45:47.049730Z","signature_b64":"dq+N7Bbq07febKb6/fd7TEulO6GngbVFrccrdCLNhEKLliywX1Cv9BWQxGFmNX2ywoiaRcMH/j7LsElkzWiwAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a8c9c4f2147e1aa69d7735dfd84b6e9bc502830f2f79dc0b90e8525bca350e50","last_reissued_at":"2026-07-05T04:45:47.049282Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:45:47.049282Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2107.01639","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:45:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GtsqXEi5THCb7FSCsGPc/fefx7ULWaQpByTvt+eGF/5HoJZdbkO9EIiarA//PqInP7qZNJFxTEqZ6w7PLOEtBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:13:22.556441Z"},"content_sha256":"13d13b9107390a11cbda0bf495b9079bc1366e8ced0fa44afc5225b0b4a4137a","schema_version":"1.0","event_id":"sha256:13d13b9107390a11cbda0bf495b9079bc1366e8ced0fa44afc5225b0b4a4137a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:VDE4J4QUPYNKNHLXGXP5QS3OTP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The BINGO Project VII: Cosmological Forecasts from 21cm Intensity Mapping","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.CO","authors_text":"Alessandro Marins, Amilcar R. Queiroz, Andre A. Costa, Bin Wang, Camila P. Novaes, Carlos A. Wuensche, Elcio Abdalla, Elisa G. M. Ferreira, Filipe B. Abdalla, Francisco A. Brito, Jiajun Zhang, Karin S. F. Fornazier, Larissa Santos, Linfeng Xiao, Luciano Barosi, Marcelo V. dos Santos, Ricardo G. Landim, Richard A. Battye, Thyrso Villela, Vincenzo Liccardo","submitted_at":"2021-07-04T14:06:54Z","abstract_excerpt":"The 21cm line of neutral hydrogen (HI) opens a new avenue in our exploration of the structure and evolution of the Universe. It provides complementary data to the current large-scale structure observations with different systematics, and thus it will be used to improve our understanding of the $\\Lambda$CDM model. Among several radio cosmological surveys designed to measure this line, BINGO is a single-dish telescope mainly designed to detect baryon acoustic oscillations (BAOs) at low redshifts ($0.127< z<0.449$). Our goal is to assess the fiducial BINGO setup and its capabilities of constraini"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.01639","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/2107.01639/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":"2026-07-05T04:45:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4FLEQgddxLvEmc+IppgVCC3pUDfqM/UnfLDoKGy+4tIKBW3La2Sig9KMm0jJRj1NrZVj9WD+HctgFgqYFSchAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:13:22.556853Z"},"content_sha256":"e7b457e62722027ce0bd281b5d034a6f6eee305b497acbab5321320cd694d684","schema_version":"1.0","event_id":"sha256:e7b457e62722027ce0bd281b5d034a6f6eee305b497acbab5321320cd694d684"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VDE4J4QUPYNKNHLXGXP5QS3OTP/bundle.json","state_url":"https://pith.science/pith/VDE4J4QUPYNKNHLXGXP5QS3OTP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VDE4J4QUPYNKNHLXGXP5QS3OTP/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":"2026-07-07T14:13:22Z","links":{"resolver":"https://pith.science/pith/VDE4J4QUPYNKNHLXGXP5QS3OTP","bundle":"https://pith.science/pith/VDE4J4QUPYNKNHLXGXP5QS3OTP/bundle.json","state":"https://pith.science/pith/VDE4J4QUPYNKNHLXGXP5QS3OTP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VDE4J4QUPYNKNHLXGXP5QS3OTP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:VDE4J4QUPYNKNHLXGXP5QS3OTP","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":"a46f54fa7643e67c9da278834f2ae1efc96b1758f7089b1f9a0ed9f486cc5232","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-07-04T14:06:54Z","title_canon_sha256":"484e38c81620eec75563d609032ff63c61f2819da2559587d5163880da75f024"},"schema_version":"1.0","source":{"id":"2107.01639","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.01639","created_at":"2026-07-05T04:45:47Z"},{"alias_kind":"arxiv_version","alias_value":"2107.01639v2","created_at":"2026-07-05T04:45:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.01639","created_at":"2026-07-05T04:45:47Z"},{"alias_kind":"pith_short_12","alias_value":"VDE4J4QUPYNK","created_at":"2026-07-05T04:45:47Z"},{"alias_kind":"pith_short_16","alias_value":"VDE4J4QUPYNKNHLX","created_at":"2026-07-05T04:45:47Z"},{"alias_kind":"pith_short_8","alias_value":"VDE4J4QU","created_at":"2026-07-05T04:45:47Z"}],"graph_snapshots":[{"event_id":"sha256:e7b457e62722027ce0bd281b5d034a6f6eee305b497acbab5321320cd694d684","target":"graph","created_at":"2026-07-05T04:45:47Z","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/2107.01639/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The 21cm line of neutral hydrogen (HI) opens a new avenue in our exploration of the structure and evolution of the Universe. It provides complementary data to the current large-scale structure observations with different systematics, and thus it will be used to improve our understanding of the $\\Lambda$CDM model. Among several radio cosmological surveys designed to measure this line, BINGO is a single-dish telescope mainly designed to detect baryon acoustic oscillations (BAOs) at low redshifts ($0.127< z<0.449$). Our goal is to assess the fiducial BINGO setup and its capabilities of constraini","authors_text":"Alessandro Marins, Amilcar R. Queiroz, Andre A. Costa, Bin Wang, Camila P. Novaes, Carlos A. Wuensche, Elcio Abdalla, Elisa G. M. Ferreira, Filipe B. Abdalla, Francisco A. Brito, Jiajun Zhang, Karin S. F. Fornazier, Larissa Santos, Linfeng Xiao, Luciano Barosi, Marcelo V. dos Santos, Ricardo G. Landim, Richard A. Battye, Thyrso Villela, Vincenzo Liccardo","cross_cats":["astro-ph.IM"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-07-04T14:06:54Z","title":"The BINGO Project VII: Cosmological Forecasts from 21cm Intensity Mapping"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.01639","kind":"arxiv","version":2},"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":"sha256:13d13b9107390a11cbda0bf495b9079bc1366e8ced0fa44afc5225b0b4a4137a","target":"record","created_at":"2026-07-05T04:45:47Z","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":"a46f54fa7643e67c9da278834f2ae1efc96b1758f7089b1f9a0ed9f486cc5232","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-07-04T14:06:54Z","title_canon_sha256":"484e38c81620eec75563d609032ff63c61f2819da2559587d5163880da75f024"},"schema_version":"1.0","source":{"id":"2107.01639","kind":"arxiv","version":2}},"canonical_sha256":"a8c9c4f2147e1aa69d7735dfd84b6e9bc502830f2f79dc0b90e8525bca350e50","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a8c9c4f2147e1aa69d7735dfd84b6e9bc502830f2f79dc0b90e8525bca350e50","first_computed_at":"2026-07-05T04:45:47.049282Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:45:47.049282Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dq+N7Bbq07febKb6/fd7TEulO6GngbVFrccrdCLNhEKLliywX1Cv9BWQxGFmNX2ywoiaRcMH/j7LsElkzWiwAg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:45:47.049730Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.01639","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:13d13b9107390a11cbda0bf495b9079bc1366e8ced0fa44afc5225b0b4a4137a","sha256:e7b457e62722027ce0bd281b5d034a6f6eee305b497acbab5321320cd694d684"],"state_sha256":"5151e3eded3c007f5e7bd6b5f321ed442073f27eaaf0c4a6f5a4c65d21847b5a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z9HxY1ijYXZ8v1snY4Futo9QpcGox1WdWTe5dau/b7X5wz1UBJp9Ks9cLVOvRKQW21hFdLqIBMh52FhXQMAmDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T14:13:22.558867Z","bundle_sha256":"31e00087110966f0312da0e476d762371281cae27fb9e5c165414d279b292c11"}}