{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:HC4FH4X4YPFCXB2I3QI53AF3WP","short_pith_number":"pith:HC4FH4X4","canonical_record":{"source":{"id":"2102.02386","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-02-04T02:58:47Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"7ccb6c255a2a0369db26e2e018f53bd747f68415a4187ffef56a3406699ee20e","abstract_canon_sha256":"e85da99d43a0e88657b0c86d35806bada6e243f94c4161ac3f5122b403cb4228"},"schema_version":"1.0"},"canonical_sha256":"38b853f2fcc3ca2b8748dc11dd80bbb3e517a095631fb37a0d4bea3fa9c18a90","source":{"kind":"arxiv","id":"2102.02386","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.02386","created_at":"2026-07-05T02:12:47Z"},{"alias_kind":"arxiv_version","alias_value":"2102.02386v1","created_at":"2026-07-05T02:12:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.02386","created_at":"2026-07-05T02:12:47Z"},{"alias_kind":"pith_short_12","alias_value":"HC4FH4X4YPFC","created_at":"2026-07-05T02:12:47Z"},{"alias_kind":"pith_short_16","alias_value":"HC4FH4X4YPFCXB2I","created_at":"2026-07-05T02:12:47Z"},{"alias_kind":"pith_short_8","alias_value":"HC4FH4X4","created_at":"2026-07-05T02:12:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:HC4FH4X4YPFCXB2I3QI53AF3WP","target":"record","payload":{"canonical_record":{"source":{"id":"2102.02386","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-02-04T02:58:47Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"7ccb6c255a2a0369db26e2e018f53bd747f68415a4187ffef56a3406699ee20e","abstract_canon_sha256":"e85da99d43a0e88657b0c86d35806bada6e243f94c4161ac3f5122b403cb4228"},"schema_version":"1.0"},"canonical_sha256":"38b853f2fcc3ca2b8748dc11dd80bbb3e517a095631fb37a0d4bea3fa9c18a90","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:12:47.967232Z","signature_b64":"tVWnpr3cv5s+/15iGOWu2T42ATirL1t3z27R2SGjzUa7sGSzgVR9KvBKC8ASxXVzRQZjoZvs3xKNuo7pH/MXBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38b853f2fcc3ca2b8748dc11dd80bbb3e517a095631fb37a0d4bea3fa9c18a90","last_reissued_at":"2026-07-05T02:12:47.966756Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:12:47.966756Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2102.02386","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":"2026-07-05T02:12:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EM3EzSLimJ6VpTnFv4yjDz3FQFAVphOwabbTpnc9uA1hjLUQjJtpu2/W7/icd9cx/OQag7H+Huk9Y8ga1SjNDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T12:50:56.827950Z"},"content_sha256":"903c268836c6ce1469d3329c521a661c4075ee718f8c2e5834342479139905d1","schema_version":"1.0","event_id":"sha256:903c268836c6ce1469d3329c521a661c4075ee718f8c2e5834342479139905d1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:HC4FH4X4YPFCXB2I3QI53AF3WP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Analysis of Temperature-to-Polarization Leakage in BICEP3 and Keck CMB Data from 2016 to 2018","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.CO","authors_text":"A. Cukierman, A. C. Weber, A. D. Turner, A. G. Vieregg, A. Schillaci, A. Soliman, A. Wandui, B. L. Schmitt, B. Racine, B. Steinbach, C. A. Bischoff, C. D. Reintsema, C. D. Sheehy, C. L. Kuo, C. L. Wong, C. Pryke, C. Tucker, C. Umilt\\`a, C. Yu, C. Zhang, D. Barkats, D. C. Goldfinger, D. V. Wiebe, E. Bullock, E. Denison, E. Karpel, E. M. Leitch, E. Yang, E. Young, G. C. Hilton, G. Hall, G. P. Teply, H. Boenish, H. Hui, H. T. Nguyen, J. A. Grayson, J. Connors, J. Cornelison, J. E. Tolan, J. Hubmayr, J. J. Bock, J. Kang, J. M. Kovac, J. P. Filippini, J. R. Cheshire, J. Willmert, K. D. Irwin, K. G. Megerian, K. Lau, K. L. Thompson, K. S. Karkare, K. W. Yoon, L. Duband, L. Minutolo, L. Moncelsi, L. Zeng, M. Amiri, M. Crumrine, M. Dierickx, M. Eiben, M. Halpern, N. Goeckner-Wald, N. Precup, P. A. R. Ade, P. Grimes, R. Basu Thakur, R. O'Brient, R. Schwarz, R. V. Sudiwala, R. W. Ogburn IV, S. A. Harrison, S. A. Kernasovskiy, S. Fatigoni, S. Fliescher, S. Henderson, S. Kefeli, S. Palladino, S. R. Hildebrandt, S. Richter, S. Zhang, The BICEP/Keck Collaboration: T. St. Germaine, T. Namikawa, T. Prouve, V. Buza, W. L. K. Wu, Y. Nakato, Z. Ahmed","submitted_at":"2021-02-04T02:58:47Z","abstract_excerpt":"The BICEP/Keck Array experiment is a series of small-aperture refracting telescopes observing degree-scale Cosmic Microwave Background polarization from the South Pole in search of a primordial $B$-mode signature. As a pair differencing experiment, an important systematic that must be controlled is the differential beam response between the co-located, orthogonally polarized detectors. We use high-fidelity, in-situ measurements of the beam response to estimate the temperature-to-polarization (T $\\rightarrow$ P) leakage in our latest data including observations from 2016 through 2018. This incl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.02386","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/2102.02386/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":"2026-07-05T02:12:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m1Aqg+tLaRMCRGqgqEgxmnZIrYK0TVYAgjf9dCCfxGnfI6Py4L0UB6d7qhENYVZ5umaSinOGJs6S08G0zDUbBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T12:50:56.828609Z"},"content_sha256":"c9c1666f3f9b395d862d01091633066bfe2702df41c1358f7af16d63b9ed3936","schema_version":"1.0","event_id":"sha256:c9c1666f3f9b395d862d01091633066bfe2702df41c1358f7af16d63b9ed3936"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HC4FH4X4YPFCXB2I3QI53AF3WP/bundle.json","state_url":"https://pith.science/pith/HC4FH4X4YPFCXB2I3QI53AF3WP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HC4FH4X4YPFCXB2I3QI53AF3WP/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":"2026-07-05T12:50:56Z","links":{"resolver":"https://pith.science/pith/HC4FH4X4YPFCXB2I3QI53AF3WP","bundle":"https://pith.science/pith/HC4FH4X4YPFCXB2I3QI53AF3WP/bundle.json","state":"https://pith.science/pith/HC4FH4X4YPFCXB2I3QI53AF3WP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HC4FH4X4YPFCXB2I3QI53AF3WP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:HC4FH4X4YPFCXB2I3QI53AF3WP","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":"e85da99d43a0e88657b0c86d35806bada6e243f94c4161ac3f5122b403cb4228","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-02-04T02:58:47Z","title_canon_sha256":"7ccb6c255a2a0369db26e2e018f53bd747f68415a4187ffef56a3406699ee20e"},"schema_version":"1.0","source":{"id":"2102.02386","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.02386","created_at":"2026-07-05T02:12:47Z"},{"alias_kind":"arxiv_version","alias_value":"2102.02386v1","created_at":"2026-07-05T02:12:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.02386","created_at":"2026-07-05T02:12:47Z"},{"alias_kind":"pith_short_12","alias_value":"HC4FH4X4YPFC","created_at":"2026-07-05T02:12:47Z"},{"alias_kind":"pith_short_16","alias_value":"HC4FH4X4YPFCXB2I","created_at":"2026-07-05T02:12:47Z"},{"alias_kind":"pith_short_8","alias_value":"HC4FH4X4","created_at":"2026-07-05T02:12:47Z"}],"graph_snapshots":[{"event_id":"sha256:c9c1666f3f9b395d862d01091633066bfe2702df41c1358f7af16d63b9ed3936","target":"graph","created_at":"2026-07-05T02:12:47Z","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/2102.02386/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The BICEP/Keck Array experiment is a series of small-aperture refracting telescopes observing degree-scale Cosmic Microwave Background polarization from the South Pole in search of a primordial $B$-mode signature. As a pair differencing experiment, an important systematic that must be controlled is the differential beam response between the co-located, orthogonally polarized detectors. We use high-fidelity, in-situ measurements of the beam response to estimate the temperature-to-polarization (T $\\rightarrow$ P) leakage in our latest data including observations from 2016 through 2018. This incl","authors_text":"A. Cukierman, A. C. Weber, A. D. Turner, A. G. Vieregg, A. Schillaci, A. Soliman, A. Wandui, B. L. Schmitt, B. Racine, B. Steinbach, C. A. Bischoff, C. D. Reintsema, C. D. Sheehy, C. L. Kuo, C. L. Wong, C. Pryke, C. Tucker, C. Umilt\\`a, C. Yu, C. Zhang, D. Barkats, D. C. Goldfinger, D. V. Wiebe, E. Bullock, E. Denison, E. Karpel, E. M. Leitch, E. Yang, E. Young, G. C. Hilton, G. Hall, G. P. Teply, H. Boenish, H. Hui, H. T. Nguyen, J. A. Grayson, J. Connors, J. Cornelison, J. E. Tolan, J. Hubmayr, J. J. Bock, J. Kang, J. M. Kovac, J. P. Filippini, J. R. Cheshire, J. Willmert, K. D. Irwin, K. G. Megerian, K. Lau, K. L. Thompson, K. S. Karkare, K. W. Yoon, L. Duband, L. Minutolo, L. Moncelsi, L. Zeng, M. Amiri, M. Crumrine, M. Dierickx, M. Eiben, M. Halpern, N. Goeckner-Wald, N. Precup, P. A. R. Ade, P. Grimes, R. Basu Thakur, R. O'Brient, R. Schwarz, R. V. Sudiwala, R. W. Ogburn IV, S. A. Harrison, S. A. Kernasovskiy, S. Fatigoni, S. Fliescher, S. Henderson, S. Kefeli, S. Palladino, S. R. Hildebrandt, S. Richter, S. Zhang, The BICEP/Keck Collaboration: T. St. Germaine, T. Namikawa, T. Prouve, V. Buza, W. L. K. Wu, Y. Nakato, Z. Ahmed","cross_cats":["astro-ph.IM"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-02-04T02:58:47Z","title":"Analysis of Temperature-to-Polarization Leakage in BICEP3 and Keck CMB Data from 2016 to 2018"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.02386","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":"sha256:903c268836c6ce1469d3329c521a661c4075ee718f8c2e5834342479139905d1","target":"record","created_at":"2026-07-05T02:12:47Z","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":"e85da99d43a0e88657b0c86d35806bada6e243f94c4161ac3f5122b403cb4228","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-02-04T02:58:47Z","title_canon_sha256":"7ccb6c255a2a0369db26e2e018f53bd747f68415a4187ffef56a3406699ee20e"},"schema_version":"1.0","source":{"id":"2102.02386","kind":"arxiv","version":1}},"canonical_sha256":"38b853f2fcc3ca2b8748dc11dd80bbb3e517a095631fb37a0d4bea3fa9c18a90","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"38b853f2fcc3ca2b8748dc11dd80bbb3e517a095631fb37a0d4bea3fa9c18a90","first_computed_at":"2026-07-05T02:12:47.966756Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:12:47.966756Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tVWnpr3cv5s+/15iGOWu2T42ATirL1t3z27R2SGjzUa7sGSzgVR9KvBKC8ASxXVzRQZjoZvs3xKNuo7pH/MXBw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:12:47.967232Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.02386","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:903c268836c6ce1469d3329c521a661c4075ee718f8c2e5834342479139905d1","sha256:c9c1666f3f9b395d862d01091633066bfe2702df41c1358f7af16d63b9ed3936"],"state_sha256":"69bef71f8b4cc94e54c7a363ee1af6ff224659f1075d2fa44ae9b71ee7101373"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4OhtZS8tgR/sXNINK5J9ZENhusokGMmg1BLERVCIcAW/9UPkTCD4tOhskZ3WKbFRWG2fgi4nmA1cS2akKwAoAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T12:50:56.831624Z","bundle_sha256":"008b6c55241e4dd7cc4c780b2c221cfdc75524e1183a22dfce523666ee4aab58"}}