{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:G4NRVJGGF2JLJGLP3NQZ5NADNO","short_pith_number":"pith:G4NRVJGG","canonical_record":{"source":{"id":"2302.04058","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-02-08T13:52:33Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"53ceccbf2c4ca38b6c80027b447cb3ae9131425107b6077d2c473bb8b7209837","abstract_canon_sha256":"2e2ac828cb44b92c08be7180b651bb9259f269c4fdd90b05516b061a57951026"},"schema_version":"1.0"},"canonical_sha256":"371b1aa4c62e92b4996fdb619eb4036b9601f486dcaffe9fc7b49d0fc401bb36","source":{"kind":"arxiv","id":"2302.04058","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.04058","created_at":"2026-07-05T05:40:00Z"},{"alias_kind":"arxiv_version","alias_value":"2302.04058v1","created_at":"2026-07-05T05:40:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.04058","created_at":"2026-07-05T05:40:00Z"},{"alias_kind":"pith_short_12","alias_value":"G4NRVJGGF2JL","created_at":"2026-07-05T05:40:00Z"},{"alias_kind":"pith_short_16","alias_value":"G4NRVJGGF2JLJGLP","created_at":"2026-07-05T05:40:00Z"},{"alias_kind":"pith_short_8","alias_value":"G4NRVJGG","created_at":"2026-07-05T05:40:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:G4NRVJGGF2JLJGLP3NQZ5NADNO","target":"record","payload":{"canonical_record":{"source":{"id":"2302.04058","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-02-08T13:52:33Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"53ceccbf2c4ca38b6c80027b447cb3ae9131425107b6077d2c473bb8b7209837","abstract_canon_sha256":"2e2ac828cb44b92c08be7180b651bb9259f269c4fdd90b05516b061a57951026"},"schema_version":"1.0"},"canonical_sha256":"371b1aa4c62e92b4996fdb619eb4036b9601f486dcaffe9fc7b49d0fc401bb36","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:40:00.616479Z","signature_b64":"cbqylrVkbnk2Ae6jD4L+zpl6ubydAPN2ZMKMmdJcrJd/iz1tkNxVRmUnRQUtWaiulnsgD8b5/l1LRgzsz1btDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"371b1aa4c62e92b4996fdb619eb4036b9601f486dcaffe9fc7b49d0fc401bb36","last_reissued_at":"2026-07-05T05:40:00.616061Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:40:00.616061Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.04058","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":"2026-07-05T05:40:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1iNhoj3ZRQQyxS7e4v1FdxW6mHA19RvpVwYrBBVRIGRB/at6kbrJdyD+Oj1KGRRnp1x8z3qOK6SEda2QfG3pAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T05:49:31.545062Z"},"content_sha256":"2ec93db4906096d720e9302836a56fcf97f4f95765d8af46b0a85c1c7b926a3c","schema_version":"1.0","event_id":"sha256:2ec93db4906096d720e9302836a56fcf97f4f95765d8af46b0a85c1c7b926a3c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:G4NRVJGGF2JLJGLP3NQZ5NADNO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"All Sky Modelling Requirements for Bayesian 21 cm Power Spectrum Estimation with BayesEoR","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.IM","authors_text":"Jacob Burba, Jonathan C. Pober, Peter H. Sims","submitted_at":"2023-02-08T13:52:33Z","abstract_excerpt":"We present a comprehensive simulation-based study of the BayesEoR code for 21 cm power spectrum recovery when analytically marginalizing over foreground parameters. To account for covariance between the 21 cm signal and contaminating foreground emission, BayesEoR jointly constructs models for both signals within a Bayesian framework. Due to computational constraints, the forward model is constructed using a restricted field-of-view (FoV) in the image domain. When the only EoR contaminants are noise and foregrounds, we demonstrate that BayesEoR can accurately recover the 21 cm power spectrum wh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.04058","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/2302.04058/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":"2026-07-05T05:40:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r97YTYcSSxMioE/uCjnyCwueCabtyVK31GDeyXoP3yBN5Nk+1RB8yC7aSV2wgKQnvCfHyPM47B1VuVZzIokfAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T05:49:31.545985Z"},"content_sha256":"16496706a913d5c1587d54850e148cd73fba858b46ebd7e947ad595d66a6f8e9","schema_version":"1.0","event_id":"sha256:16496706a913d5c1587d54850e148cd73fba858b46ebd7e947ad595d66a6f8e9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G4NRVJGGF2JLJGLP3NQZ5NADNO/bundle.json","state_url":"https://pith.science/pith/G4NRVJGGF2JLJGLP3NQZ5NADNO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G4NRVJGGF2JLJGLP3NQZ5NADNO/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":"2026-08-04T05:49:31Z","links":{"resolver":"https://pith.science/pith/G4NRVJGGF2JLJGLP3NQZ5NADNO","bundle":"https://pith.science/pith/G4NRVJGGF2JLJGLP3NQZ5NADNO/bundle.json","state":"https://pith.science/pith/G4NRVJGGF2JLJGLP3NQZ5NADNO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G4NRVJGGF2JLJGLP3NQZ5NADNO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:G4NRVJGGF2JLJGLP3NQZ5NADNO","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":"2e2ac828cb44b92c08be7180b651bb9259f269c4fdd90b05516b061a57951026","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-02-08T13:52:33Z","title_canon_sha256":"53ceccbf2c4ca38b6c80027b447cb3ae9131425107b6077d2c473bb8b7209837"},"schema_version":"1.0","source":{"id":"2302.04058","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.04058","created_at":"2026-07-05T05:40:00Z"},{"alias_kind":"arxiv_version","alias_value":"2302.04058v1","created_at":"2026-07-05T05:40:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.04058","created_at":"2026-07-05T05:40:00Z"},{"alias_kind":"pith_short_12","alias_value":"G4NRVJGGF2JL","created_at":"2026-07-05T05:40:00Z"},{"alias_kind":"pith_short_16","alias_value":"G4NRVJGGF2JLJGLP","created_at":"2026-07-05T05:40:00Z"},{"alias_kind":"pith_short_8","alias_value":"G4NRVJGG","created_at":"2026-07-05T05:40:00Z"}],"graph_snapshots":[{"event_id":"sha256:16496706a913d5c1587d54850e148cd73fba858b46ebd7e947ad595d66a6f8e9","target":"graph","created_at":"2026-07-05T05:40:00Z","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/2302.04058/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a comprehensive simulation-based study of the BayesEoR code for 21 cm power spectrum recovery when analytically marginalizing over foreground parameters. To account for covariance between the 21 cm signal and contaminating foreground emission, BayesEoR jointly constructs models for both signals within a Bayesian framework. Due to computational constraints, the forward model is constructed using a restricted field-of-view (FoV) in the image domain. When the only EoR contaminants are noise and foregrounds, we demonstrate that BayesEoR can accurately recover the 21 cm power spectrum wh","authors_text":"Jacob Burba, Jonathan C. Pober, Peter H. Sims","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-02-08T13:52:33Z","title":"All Sky Modelling Requirements for Bayesian 21 cm Power Spectrum Estimation with BayesEoR"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.04058","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":"sha256:2ec93db4906096d720e9302836a56fcf97f4f95765d8af46b0a85c1c7b926a3c","target":"record","created_at":"2026-07-05T05:40:00Z","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":"2e2ac828cb44b92c08be7180b651bb9259f269c4fdd90b05516b061a57951026","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-02-08T13:52:33Z","title_canon_sha256":"53ceccbf2c4ca38b6c80027b447cb3ae9131425107b6077d2c473bb8b7209837"},"schema_version":"1.0","source":{"id":"2302.04058","kind":"arxiv","version":1}},"canonical_sha256":"371b1aa4c62e92b4996fdb619eb4036b9601f486dcaffe9fc7b49d0fc401bb36","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"371b1aa4c62e92b4996fdb619eb4036b9601f486dcaffe9fc7b49d0fc401bb36","first_computed_at":"2026-07-05T05:40:00.616061Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:40:00.616061Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cbqylrVkbnk2Ae6jD4L+zpl6ubydAPN2ZMKMmdJcrJd/iz1tkNxVRmUnRQUtWaiulnsgD8b5/l1LRgzsz1btDw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:40:00.616479Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.04058","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2ec93db4906096d720e9302836a56fcf97f4f95765d8af46b0a85c1c7b926a3c","sha256:16496706a913d5c1587d54850e148cd73fba858b46ebd7e947ad595d66a6f8e9"],"state_sha256":"0f5128d98d93d8f86bf0852408ceeb7112e4d67516e24f1715afe550acded923"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TEXZNqi1Du1iCzBIOJPvhTHycqIUe8cULqAjdW8XEqpAK30wO9s1k6OZZBHGdjWSOLmX6YGTxsq4FSbYajJIAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T05:49:31.552791Z","bundle_sha256":"24df144137e8bd7190c6f005d4cf9fb7ce75bc8884d02cce23dd1154fcffcc68"}}