{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:SB4CCCH2RACLKJMHDWZXW3VLIA","short_pith_number":"pith:SB4CCCH2","canonical_record":{"source":{"id":"astro-ph/0305553","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-05-29T01:46:35Z","cross_cats_sorted":[],"title_canon_sha256":"8b1a06d2b44e187f67ef043f5114c5d1a02881170cbc95accb0c2fcb61629432","abstract_canon_sha256":"bf254b746aee4d085df901082fe9c5b9c4cb1cb407011f27f147d6c6b9e585c0"},"schema_version":"1.0"},"canonical_sha256":"90782108fa8804b525871db37b6eab4004c82c7d2f19998ebf0491ffc3d4e036","source":{"kind":"arxiv","id":"astro-ph/0305553","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0305553","created_at":"2026-05-18T01:40:38Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0305553v1","created_at":"2026-05-18T01:40:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0305553","created_at":"2026-05-18T01:40:38Z"},{"alias_kind":"pith_short_12","alias_value":"SB4CCCH2RACL","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"SB4CCCH2RACLKJMH","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"SB4CCCH2","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:SB4CCCH2RACLKJMHDWZXW3VLIA","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0305553","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-05-29T01:46:35Z","cross_cats_sorted":[],"title_canon_sha256":"8b1a06d2b44e187f67ef043f5114c5d1a02881170cbc95accb0c2fcb61629432","abstract_canon_sha256":"bf254b746aee4d085df901082fe9c5b9c4cb1cb407011f27f147d6c6b9e585c0"},"schema_version":"1.0"},"canonical_sha256":"90782108fa8804b525871db37b6eab4004c82c7d2f19998ebf0491ffc3d4e036","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:38.839340Z","signature_b64":"BkQCB+uMGPsIQCgpsrGJWCZQgJfjYMUhbNadvrqlBRVjONQmha5nne2ct77gMaoeXbl76IIbZfd48V+Vw7NuCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"90782108fa8804b525871db37b6eab4004c82c7d2f19998ebf0491ffc3d4e036","last_reissued_at":"2026-05-18T01:40:38.838761Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:38.838761Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0305553","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":"2026-05-18T01:40:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WLrtlKS6fxkIrhHcXczhO8/J0tV+gFhEy6bl0hU7l6XFGNtYu/myI+uf4nM9Kh0QgOHHOd2IW0tHS3aWQLzQAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T14:07:13.454770Z"},"content_sha256":"59cb07870afab95d5d5e8bbc7c640b814b4be03f78e47569782db6cb54929175","schema_version":"1.0","event_id":"sha256:59cb07870afab95d5d5e8bbc7c640b814b4be03f78e47569782db6cb54929175"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:SB4CCCH2RACLKJMHDWZXW3VLIA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"First Results from the Arcminute Cosmology Bolometer Array Receiver","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"10), (10) UCSB, (11) CMU, 12), (12) UCB Astro), 2), (2) Chicago, (4) Cardiff, (5) JPL, (6) CITA, (7) LBL, (8) UCB Physics, (9) CWRU, A. E. Lange (1), A. K. Romer (11), C. Cantalupo (7), C. L. Kuo (8, C. R. Contaldi (6), D. Pogosyan (6), D. Woolsey (8) ((1) Caltech, E. Torbet (10), J. B. Peterson (11), J. H. Goldstein (9, J. J. Bock (5), J. R. Bond (6), J. Ruhl (9), M. C. Runyan (1, M. D. Daub (8), M. Lueker (8), M. Newcomb (8), P. A. R. Ade (4), P. L. Gomez (11), W. L. Holzapfel (8)","submitted_at":"2003-05-29T01:46:35Z","abstract_excerpt":"We review the first science results from the Arcminute Cosmology Bolometer Array Receiver (ACBAR); a multifrequency millimeter-wave receiver optimized for observations of the Cosmic Microwave Background (CMB) and the Sunyaev-Zel'dovich (SZ) effect in clusters of galaxies. ACBAR was installed on the 2 m Viper telescope at the South Pole in January 2001 and the results presented here incorporate data through July 2002. We present the power spectrum of the CMB at 150 GHz over the range \\ell = 150 - 3000 measured by ACBAR as well as estimates for the values of the cosmological parameters within th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0305553","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":"2026-05-18T01:40:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gxHjWpxyahdBDa0at4HtpTyms/VmzIrM6CzrmgHnix0Of7YJIHokVkmTK2kOaBp6pMCNa93XMJQaNST6jB0VBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T14:07:13.455113Z"},"content_sha256":"5c3be41e43c3b34a03fb329b66af3a78d3e4577a92bd6d883adc8f5d7193637d","schema_version":"1.0","event_id":"sha256:5c3be41e43c3b34a03fb329b66af3a78d3e4577a92bd6d883adc8f5d7193637d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SB4CCCH2RACLKJMHDWZXW3VLIA/bundle.json","state_url":"https://pith.science/pith/SB4CCCH2RACLKJMHDWZXW3VLIA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SB4CCCH2RACLKJMHDWZXW3VLIA/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":"2026-06-03T14:07:13Z","links":{"resolver":"https://pith.science/pith/SB4CCCH2RACLKJMHDWZXW3VLIA","bundle":"https://pith.science/pith/SB4CCCH2RACLKJMHDWZXW3VLIA/bundle.json","state":"https://pith.science/pith/SB4CCCH2RACLKJMHDWZXW3VLIA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SB4CCCH2RACLKJMHDWZXW3VLIA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:SB4CCCH2RACLKJMHDWZXW3VLIA","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":"bf254b746aee4d085df901082fe9c5b9c4cb1cb407011f27f147d6c6b9e585c0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-05-29T01:46:35Z","title_canon_sha256":"8b1a06d2b44e187f67ef043f5114c5d1a02881170cbc95accb0c2fcb61629432"},"schema_version":"1.0","source":{"id":"astro-ph/0305553","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0305553","created_at":"2026-05-18T01:40:38Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0305553v1","created_at":"2026-05-18T01:40:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0305553","created_at":"2026-05-18T01:40:38Z"},{"alias_kind":"pith_short_12","alias_value":"SB4CCCH2RACL","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"SB4CCCH2RACLKJMH","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"SB4CCCH2","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:5c3be41e43c3b34a03fb329b66af3a78d3e4577a92bd6d883adc8f5d7193637d","target":"graph","created_at":"2026-05-18T01:40:38Z","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 review the first science results from the Arcminute Cosmology Bolometer Array Receiver (ACBAR); a multifrequency millimeter-wave receiver optimized for observations of the Cosmic Microwave Background (CMB) and the Sunyaev-Zel'dovich (SZ) effect in clusters of galaxies. ACBAR was installed on the 2 m Viper telescope at the South Pole in January 2001 and the results presented here incorporate data through July 2002. We present the power spectrum of the CMB at 150 GHz over the range \\ell = 150 - 3000 measured by ACBAR as well as estimates for the values of the cosmological parameters within th","authors_text":"10), (10) UCSB, (11) CMU, 12), (12) UCB Astro), 2), (2) Chicago, (4) Cardiff, (5) JPL, (6) CITA, (7) LBL, (8) UCB Physics, (9) CWRU, A. E. Lange (1), A. K. Romer (11), C. Cantalupo (7), C. L. Kuo (8, C. R. Contaldi (6), D. Pogosyan (6), D. Woolsey (8) ((1) Caltech, E. Torbet (10), J. B. Peterson (11), J. H. Goldstein (9, J. J. Bock (5), J. R. Bond (6), J. Ruhl (9), M. C. Runyan (1, M. D. Daub (8), M. Lueker (8), M. Newcomb (8), P. A. R. Ade (4), P. L. Gomez (11), W. L. Holzapfel (8)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-05-29T01:46:35Z","title":"First Results from the Arcminute Cosmology Bolometer Array Receiver"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0305553","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":"sha256:59cb07870afab95d5d5e8bbc7c640b814b4be03f78e47569782db6cb54929175","target":"record","created_at":"2026-05-18T01:40:38Z","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":"bf254b746aee4d085df901082fe9c5b9c4cb1cb407011f27f147d6c6b9e585c0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-05-29T01:46:35Z","title_canon_sha256":"8b1a06d2b44e187f67ef043f5114c5d1a02881170cbc95accb0c2fcb61629432"},"schema_version":"1.0","source":{"id":"astro-ph/0305553","kind":"arxiv","version":1}},"canonical_sha256":"90782108fa8804b525871db37b6eab4004c82c7d2f19998ebf0491ffc3d4e036","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"90782108fa8804b525871db37b6eab4004c82c7d2f19998ebf0491ffc3d4e036","first_computed_at":"2026-05-18T01:40:38.838761Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:38.838761Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BkQCB+uMGPsIQCgpsrGJWCZQgJfjYMUhbNadvrqlBRVjONQmha5nne2ct77gMaoeXbl76IIbZfd48V+Vw7NuCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:38.839340Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0305553","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:59cb07870afab95d5d5e8bbc7c640b814b4be03f78e47569782db6cb54929175","sha256:5c3be41e43c3b34a03fb329b66af3a78d3e4577a92bd6d883adc8f5d7193637d"],"state_sha256":"a99ccd6d078c4b69e453a9731307aa8bc342d247906a5a57a7bf220efbe326cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/+r6dZIShKZCTgIJQvbsz0RVRY4DRSStQz+ZLN1zXMzQLqoT/umlSmgOg38aG0IKu9o/kUySdXX75+7wGUkqDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T14:07:13.457054Z","bundle_sha256":"94c7393499d75d2902cf9cb084f5a472aec63ec5be49a8aa36de5e3d085e6d0a"}}