{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:B3PXZKRNHYMU3ZL55KS5H2HTFC","short_pith_number":"pith:B3PXZKRN","canonical_record":{"source":{"id":"2306.15511","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-06-27T14:36:25Z","cross_cats_sorted":[],"title_canon_sha256":"c0041114193fd935e5f61ee84eb866dd1a001bf47e0916387cec3dadfa024e7a","abstract_canon_sha256":"05a402c17773400d65223d32fb870d38f3145adc9ccaa1d0962c4ea8cef6edfc"},"schema_version":"1.0"},"canonical_sha256":"0edf7caa2d3e194de57deaa5d3e8f328a0b9acc8c77d7de8191ad324be8b572d","source":{"kind":"arxiv","id":"2306.15511","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.15511","created_at":"2026-07-05T07:07:12Z"},{"alias_kind":"arxiv_version","alias_value":"2306.15511v2","created_at":"2026-07-05T07:07:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.15511","created_at":"2026-07-05T07:07:12Z"},{"alias_kind":"pith_short_12","alias_value":"B3PXZKRNHYMU","created_at":"2026-07-05T07:07:12Z"},{"alias_kind":"pith_short_16","alias_value":"B3PXZKRNHYMU3ZL5","created_at":"2026-07-05T07:07:12Z"},{"alias_kind":"pith_short_8","alias_value":"B3PXZKRN","created_at":"2026-07-05T07:07:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:B3PXZKRNHYMU3ZL55KS5H2HTFC","target":"record","payload":{"canonical_record":{"source":{"id":"2306.15511","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-06-27T14:36:25Z","cross_cats_sorted":[],"title_canon_sha256":"c0041114193fd935e5f61ee84eb866dd1a001bf47e0916387cec3dadfa024e7a","abstract_canon_sha256":"05a402c17773400d65223d32fb870d38f3145adc9ccaa1d0962c4ea8cef6edfc"},"schema_version":"1.0"},"canonical_sha256":"0edf7caa2d3e194de57deaa5d3e8f328a0b9acc8c77d7de8191ad324be8b572d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:07:12.838796Z","signature_b64":"x+6idl/xUz33qg/6nMBzMYxzrdWLDPRQVpKbVjVFbCeG0eROk5wrnavpyeCjNGSbkUmCTHDy0jz2rZ5JDoQ+AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0edf7caa2d3e194de57deaa5d3e8f328a0b9acc8c77d7de8191ad324be8b572d","last_reissued_at":"2026-07-05T07:07:12.838299Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:07:12.838299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2306.15511","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":"2026-07-05T07:07:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"61kC4936C7uvA1rblNkPKuuvTL8R6HRKTMl3WkkiH0/J/0ztBPK6qiVNqr4ddOpewsOkOBqG1B67U/vJTyR4Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T14:50:02.955478Z"},"content_sha256":"ef2531865365addc46205a8376863927f2afbe8899ea3933c2652309e85ee22e","schema_version":"1.0","event_id":"sha256:ef2531865365addc46205a8376863927f2afbe8899ea3933c2652309e85ee22e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:B3PXZKRNHYMU3ZL55KS5H2HTFC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmoglobe: Towards end-to-end CMB cosmological parameter estimation without likelihood approximations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Basyrov, A. Marins, D. J. Watts, E. Gjerl{\\o}w, F. Rahman, H. K. Eriksen, H. T. Ihle, I. K. Wehus, J. G. S. Lunde, J. R. Eskilt, K. Lee, K. S. F. Fornazier, L. P. L. Colombo, L. T. Hergt, M. Bersanelli, M. Galloway, M. San, N.-O. Stutzer, R. Aurlien, S. K. Nerval, S. Paradiso, U. Fuskeland, V. Anshul","submitted_at":"2023-06-27T14:36:25Z","abstract_excerpt":"We implement support for a cosmological parameter estimation algorithm as proposed by Racine et al. (2016) in Commander, and quantify its computational efficiency and cost. For a semi-realistic simulation similar to Planck LFI 70 GHz, we find that the computational cost of producing one single sample is about 20 CPU-hours and that the typical Markov chain correlation length is $\\sim$100 samples. The net effective cost per independent sample is $\\sim$2 000 CPU-hours, in comparison with all low-level processing costs of 812 CPU-hours for Planck LFI and WMAP in Cosmoglobe Data Release 1. Thus, al"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.15511","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/2306.15511/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":"2026-07-05T07:07:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CXbvuHEMEP8P2johtwsxCqupjC8x5i4hu9eDLJ8Fx/X897wq0TGlf5Agw0MdodMYk+x0Be1dKs0FAFPh82SkCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T14:50:02.955866Z"},"content_sha256":"a0a814e462782c73cbeb8b52d7b0007e006341b4faf9a500675a7cb01d29d6b9","schema_version":"1.0","event_id":"sha256:a0a814e462782c73cbeb8b52d7b0007e006341b4faf9a500675a7cb01d29d6b9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B3PXZKRNHYMU3ZL55KS5H2HTFC/bundle.json","state_url":"https://pith.science/pith/B3PXZKRNHYMU3ZL55KS5H2HTFC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B3PXZKRNHYMU3ZL55KS5H2HTFC/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":"2026-07-06T14:50:02Z","links":{"resolver":"https://pith.science/pith/B3PXZKRNHYMU3ZL55KS5H2HTFC","bundle":"https://pith.science/pith/B3PXZKRNHYMU3ZL55KS5H2HTFC/bundle.json","state":"https://pith.science/pith/B3PXZKRNHYMU3ZL55KS5H2HTFC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B3PXZKRNHYMU3ZL55KS5H2HTFC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:B3PXZKRNHYMU3ZL55KS5H2HTFC","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":"05a402c17773400d65223d32fb870d38f3145adc9ccaa1d0962c4ea8cef6edfc","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-06-27T14:36:25Z","title_canon_sha256":"c0041114193fd935e5f61ee84eb866dd1a001bf47e0916387cec3dadfa024e7a"},"schema_version":"1.0","source":{"id":"2306.15511","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.15511","created_at":"2026-07-05T07:07:12Z"},{"alias_kind":"arxiv_version","alias_value":"2306.15511v2","created_at":"2026-07-05T07:07:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.15511","created_at":"2026-07-05T07:07:12Z"},{"alias_kind":"pith_short_12","alias_value":"B3PXZKRNHYMU","created_at":"2026-07-05T07:07:12Z"},{"alias_kind":"pith_short_16","alias_value":"B3PXZKRNHYMU3ZL5","created_at":"2026-07-05T07:07:12Z"},{"alias_kind":"pith_short_8","alias_value":"B3PXZKRN","created_at":"2026-07-05T07:07:12Z"}],"graph_snapshots":[{"event_id":"sha256:a0a814e462782c73cbeb8b52d7b0007e006341b4faf9a500675a7cb01d29d6b9","target":"graph","created_at":"2026-07-05T07:07:12Z","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/2306.15511/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We implement support for a cosmological parameter estimation algorithm as proposed by Racine et al. (2016) in Commander, and quantify its computational efficiency and cost. For a semi-realistic simulation similar to Planck LFI 70 GHz, we find that the computational cost of producing one single sample is about 20 CPU-hours and that the typical Markov chain correlation length is $\\sim$100 samples. The net effective cost per independent sample is $\\sim$2 000 CPU-hours, in comparison with all low-level processing costs of 812 CPU-hours for Planck LFI and WMAP in Cosmoglobe Data Release 1. Thus, al","authors_text":"A. Basyrov, A. Marins, D. J. Watts, E. Gjerl{\\o}w, F. Rahman, H. K. Eriksen, H. T. Ihle, I. K. Wehus, J. G. S. Lunde, J. R. Eskilt, K. Lee, K. S. F. Fornazier, L. P. L. Colombo, L. T. Hergt, M. Bersanelli, M. Galloway, M. San, N.-O. Stutzer, R. Aurlien, S. K. Nerval, S. Paradiso, U. Fuskeland, V. Anshul","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-06-27T14:36:25Z","title":"Cosmoglobe: Towards end-to-end CMB cosmological parameter estimation without likelihood approximations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.15511","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:ef2531865365addc46205a8376863927f2afbe8899ea3933c2652309e85ee22e","target":"record","created_at":"2026-07-05T07:07:12Z","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":"05a402c17773400d65223d32fb870d38f3145adc9ccaa1d0962c4ea8cef6edfc","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-06-27T14:36:25Z","title_canon_sha256":"c0041114193fd935e5f61ee84eb866dd1a001bf47e0916387cec3dadfa024e7a"},"schema_version":"1.0","source":{"id":"2306.15511","kind":"arxiv","version":2}},"canonical_sha256":"0edf7caa2d3e194de57deaa5d3e8f328a0b9acc8c77d7de8191ad324be8b572d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0edf7caa2d3e194de57deaa5d3e8f328a0b9acc8c77d7de8191ad324be8b572d","first_computed_at":"2026-07-05T07:07:12.838299Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:07:12.838299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x+6idl/xUz33qg/6nMBzMYxzrdWLDPRQVpKbVjVFbCeG0eROk5wrnavpyeCjNGSbkUmCTHDy0jz2rZ5JDoQ+AA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:07:12.838796Z","signed_message":"canonical_sha256_bytes"},"source_id":"2306.15511","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ef2531865365addc46205a8376863927f2afbe8899ea3933c2652309e85ee22e","sha256:a0a814e462782c73cbeb8b52d7b0007e006341b4faf9a500675a7cb01d29d6b9"],"state_sha256":"83e1e3948a20901130c13aa01ffe8464cb2102fe784288628155cc8d20f10e4a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UY7VollrkSiA8pOTk9vmIS9cLD3g6YnqGWSMfLzpwb7MP57E6etOsehgIt8C2BEDS3EoMWRhq8d5RFquNbk4AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T14:50:02.957840Z","bundle_sha256":"8ef352b69d858d672e31c270860ac0dd3e45758b56ae20054fc33af120ae40f2"}}