{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:KMPSKROZ44H5WLGIK6UB6VXK57","short_pith_number":"pith:KMPSKROZ","canonical_record":{"source":{"id":"1605.08633","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-05-27T13:35:07Z","cross_cats_sorted":[],"title_canon_sha256":"120a90d7aa6027f7734a5026e3c4db3e4af909167e010b66ae9910d8bbf8075e","abstract_canon_sha256":"ee3eed1f3962955f3a1c8daa850d161428edcf46b4e968fbb57303ac0b1c6f19"},"schema_version":"1.0"},"canonical_sha256":"531f2545d9e70fdb2cc857a81f56eaeff8be0fee8735f2829565c543a07f4d0d","source":{"kind":"arxiv","id":"1605.08633","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.08633","created_at":"2026-05-18T00:55:13Z"},{"alias_kind":"arxiv_version","alias_value":"1605.08633v2","created_at":"2026-05-18T00:55:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.08633","created_at":"2026-05-18T00:55:13Z"},{"alias_kind":"pith_short_12","alias_value":"KMPSKROZ44H5","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"KMPSKROZ44H5WLGI","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"KMPSKROZ","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:KMPSKROZ44H5WLGIK6UB6VXK57","target":"record","payload":{"canonical_record":{"source":{"id":"1605.08633","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-05-27T13:35:07Z","cross_cats_sorted":[],"title_canon_sha256":"120a90d7aa6027f7734a5026e3c4db3e4af909167e010b66ae9910d8bbf8075e","abstract_canon_sha256":"ee3eed1f3962955f3a1c8daa850d161428edcf46b4e968fbb57303ac0b1c6f19"},"schema_version":"1.0"},"canonical_sha256":"531f2545d9e70fdb2cc857a81f56eaeff8be0fee8735f2829565c543a07f4d0d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:55:13.668912Z","signature_b64":"xFqWLH7QYXvZxJA9Ghcy0505i9L55eXp05UgL+ktQBf5FQnhib1yl+hUNHGPvAeBcTpemRzHwQfhHPMahBSIBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"531f2545d9e70fdb2cc857a81f56eaeff8be0fee8735f2829565c543a07f4d0d","last_reissued_at":"2026-05-18T00:55:13.668282Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:55:13.668282Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.08633","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":"2026-05-18T00:55:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TlJ41/w7Cryw/0WwA7qMzaca/i+3SppZRNdDPxb2ikJ6616EGR641Vrw9xvCALB6NEeXP78sAN9yZ1i+AB04AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:03:14.174837Z"},"content_sha256":"b788f5da0b24aab8a62408b0da95c2cfb72c712f48c6ff74f747dbca2bd72390","schema_version":"1.0","event_id":"sha256:b788f5da0b24aab8a62408b0da95c2cfb72c712f48c6ff74f747dbca2bd72390"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:KMPSKROZ44H5WLGIK6UB6VXK57","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Planck intermediate results. XLIX. Parity-violation constraints from polarization data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Coulais, A. Curto, A. De Rosa, A. Ducout, A. Frolov, A. Gruppuso, A. H. Jaffe, A. J. Banday, A. Lasenby, A. Melchiorri, A. Mennella, A. Moneti, A. Moss, A. Renzi, A.-S. Suur-Uski, A. Zacchei, A. Zonca, B. Comis, B. D. Wandelt, B. P. Crill, B. Racine, B. Ruiz-Granados, C. Baccigalupi, C. Burigana, C. Dickinson, C. R. Lawrence, C. Rosset, C. Sirignano, D. Contreras, D. Herranz, D. Maino, D. Molinari, D. Paoletti, D. Scott, D. Tavagnacco, E. Calabrese, E. Di Valentino, E. Franceschi, E. Hivon, E. Keih\\\"anen, E. Mart\\'inez-Gonz\\'alez, F. Couchot, F. Cuttaia, F. Elsner, F. Finelli, F. Forastieri, F. K. Hansen, F. Levrier, F. Piacentini, F. R. Bouchet, F. Van Tent, F. Villa, F.-X. D\\'esert, G. de Zotti, G. Maggio, G. Morgante, G. Patanchon, G. Polenta, G. Rocha, G. Roudier, G. Sirri, H. C. Chiang, H. K. Eriksen, H. Kurki-Suonio, I. K. Wehus, J. A. Rubi\\~no-Mart\\'in, J. A. Tauber, J. Aumont, J. Borrill, J. Carron, J. Delabrouille, J. D. McEwen, J. E. Gudmundsson, J.-F. Cardoso, J. F. Mac\\'ias-P\\'erez, J. Gonz\\'alez-Nuevo, J. M. Diego, J.-M. Lamarre, J.-P. Bernard, J. P. Leahy, J. P. Rachen, J. R. Bond, J. Valiviita, K. Benabed, K. Ganga, K. Kiiveri, K. M. G\\'orski, L. Bonavera, L. D. Spencer, L. Pagano, L. Patrizii, L. Perotto, L. P. L. Colombo, L. Polastri, L. Toffolatti, M.-A. Miville-Desch\\^enes, M. Ashdown, M. Ballardini, M. Bersanelli, M. Frailis, M. Gerbino, M. Kunz, M. Langer, M. Lattanzi, M. Le Jeune, M. Liguori, M. L\\'opez-Caniego, M. Maris, M. Migliaccio, M. Reinecke, M. Remazeilles, M. Rossetti, M. Sandri, M. Savelainen, M. Tenti, M. Tomasi, M. Tristram, N. Bartolo, N. Krachmalnicoff, N. Mandolesi, N. Mauri, N. Vittorio, O. Dor\\'e, P. Bielewicz, P. B. Lilje, P. De Bernardis, P. G. Martin, Planck Collaboration: N. Aghanim, P. Natoli, P. R. Meinhold, P. Vielva, R. B. Barreiro, R. Keskitalo, R. T. G\\'enova-Santos, S. Basak, S. Dusini, S. Galeotta, S. Galli, S. Henrot-Versill\\'e, S. Matarrese, T. A. En{\\ss}lin, T. Trombetti, V. Lindholm, V. Pettorino, W. C. Jones, X. Dupac, Y. Fantaye, Y. Giraud-H\\'eraud, Y.-Z. Ma, Z. Huang","submitted_at":"2016-05-27T13:35:07Z","abstract_excerpt":"Parity violating extensions of the standard electromagnetic theory cause in vacuo rotation of the plane of polarization of propagating photons. This effect, also known as cosmic birefringence, impacts the cosmic microwave background (CMB) anisotropy angular power spectra, producing non-vanishing $T$--$B$ and $E$--$B$ correlations that are otherwise null when parity is a symmetry. Here we present new constraints on an isotropic rotation, parametrized by the angle $\\alpha$, derived from Planck 2015 CMB polarization data. To increase the robustness of our analyses, we employ two complementary app"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.08633","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":""},"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":"2026-05-18T00:55:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KuR0wZvPrhQO69KlmKOZrbF6bK80+GD2Yd4YgKdw757nyhULcCiNUzv6qE9d4+33xjwE/7owuYriBLesoqhJDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:03:14.175574Z"},"content_sha256":"002a5e58b8eb93dc74f99fc5f0d0400118dad834b3ea09142e5a8dc097a17c0e","schema_version":"1.0","event_id":"sha256:002a5e58b8eb93dc74f99fc5f0d0400118dad834b3ea09142e5a8dc097a17c0e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KMPSKROZ44H5WLGIK6UB6VXK57/bundle.json","state_url":"https://pith.science/pith/KMPSKROZ44H5WLGIK6UB6VXK57/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KMPSKROZ44H5WLGIK6UB6VXK57/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":"2026-05-26T00:03:14Z","links":{"resolver":"https://pith.science/pith/KMPSKROZ44H5WLGIK6UB6VXK57","bundle":"https://pith.science/pith/KMPSKROZ44H5WLGIK6UB6VXK57/bundle.json","state":"https://pith.science/pith/KMPSKROZ44H5WLGIK6UB6VXK57/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KMPSKROZ44H5WLGIK6UB6VXK57/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:KMPSKROZ44H5WLGIK6UB6VXK57","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":"ee3eed1f3962955f3a1c8daa850d161428edcf46b4e968fbb57303ac0b1c6f19","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-05-27T13:35:07Z","title_canon_sha256":"120a90d7aa6027f7734a5026e3c4db3e4af909167e010b66ae9910d8bbf8075e"},"schema_version":"1.0","source":{"id":"1605.08633","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.08633","created_at":"2026-05-18T00:55:13Z"},{"alias_kind":"arxiv_version","alias_value":"1605.08633v2","created_at":"2026-05-18T00:55:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.08633","created_at":"2026-05-18T00:55:13Z"},{"alias_kind":"pith_short_12","alias_value":"KMPSKROZ44H5","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"KMPSKROZ44H5WLGI","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"KMPSKROZ","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:002a5e58b8eb93dc74f99fc5f0d0400118dad834b3ea09142e5a8dc097a17c0e","target":"graph","created_at":"2026-05-18T00:55:13Z","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":"Parity violating extensions of the standard electromagnetic theory cause in vacuo rotation of the plane of polarization of propagating photons. This effect, also known as cosmic birefringence, impacts the cosmic microwave background (CMB) anisotropy angular power spectra, producing non-vanishing $T$--$B$ and $E$--$B$ correlations that are otherwise null when parity is a symmetry. Here we present new constraints on an isotropic rotation, parametrized by the angle $\\alpha$, derived from Planck 2015 CMB polarization data. To increase the robustness of our analyses, we employ two complementary app","authors_text":"A. Coulais, A. Curto, A. De Rosa, A. Ducout, A. Frolov, A. Gruppuso, A. H. Jaffe, A. J. Banday, A. Lasenby, A. Melchiorri, A. Mennella, A. Moneti, A. Moss, A. Renzi, A.-S. Suur-Uski, A. Zacchei, A. Zonca, B. Comis, B. D. Wandelt, B. P. Crill, B. Racine, B. Ruiz-Granados, C. Baccigalupi, C. Burigana, C. Dickinson, C. R. Lawrence, C. Rosset, C. Sirignano, D. Contreras, D. Herranz, D. Maino, D. Molinari, D. Paoletti, D. Scott, D. Tavagnacco, E. Calabrese, E. Di Valentino, E. Franceschi, E. Hivon, E. Keih\\\"anen, E. Mart\\'inez-Gonz\\'alez, F. Couchot, F. Cuttaia, F. Elsner, F. Finelli, F. Forastieri, F. K. Hansen, F. Levrier, F. Piacentini, F. R. Bouchet, F. Van Tent, F. Villa, F.-X. D\\'esert, G. de Zotti, G. Maggio, G. Morgante, G. Patanchon, G. Polenta, G. Rocha, G. Roudier, G. Sirri, H. C. Chiang, H. K. Eriksen, H. Kurki-Suonio, I. K. Wehus, J. A. Rubi\\~no-Mart\\'in, J. A. Tauber, J. Aumont, J. Borrill, J. Carron, J. Delabrouille, J. D. McEwen, J. E. Gudmundsson, J.-F. Cardoso, J. F. Mac\\'ias-P\\'erez, J. Gonz\\'alez-Nuevo, J. M. Diego, J.-M. Lamarre, J.-P. Bernard, J. P. Leahy, J. P. Rachen, J. R. Bond, J. Valiviita, K. Benabed, K. Ganga, K. Kiiveri, K. M. G\\'orski, L. Bonavera, L. D. Spencer, L. Pagano, L. Patrizii, L. Perotto, L. P. L. Colombo, L. Polastri, L. Toffolatti, M.-A. Miville-Desch\\^enes, M. Ashdown, M. Ballardini, M. Bersanelli, M. Frailis, M. Gerbino, M. Kunz, M. Langer, M. Lattanzi, M. Le Jeune, M. Liguori, M. L\\'opez-Caniego, M. Maris, M. Migliaccio, M. Reinecke, M. Remazeilles, M. Rossetti, M. Sandri, M. Savelainen, M. Tenti, M. Tomasi, M. Tristram, N. Bartolo, N. Krachmalnicoff, N. Mandolesi, N. Mauri, N. Vittorio, O. Dor\\'e, P. Bielewicz, P. B. Lilje, P. De Bernardis, P. G. Martin, Planck Collaboration: N. Aghanim, P. Natoli, P. R. Meinhold, P. Vielva, R. B. Barreiro, R. Keskitalo, R. T. G\\'enova-Santos, S. Basak, S. Dusini, S. Galeotta, S. Galli, S. Henrot-Versill\\'e, S. Matarrese, T. A. En{\\ss}lin, T. Trombetti, V. Lindholm, V. Pettorino, W. C. Jones, X. Dupac, Y. Fantaye, Y. Giraud-H\\'eraud, Y.-Z. Ma, Z. Huang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-05-27T13:35:07Z","title":"Planck intermediate results. XLIX. Parity-violation constraints from polarization data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.08633","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:b788f5da0b24aab8a62408b0da95c2cfb72c712f48c6ff74f747dbca2bd72390","target":"record","created_at":"2026-05-18T00:55:13Z","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":"ee3eed1f3962955f3a1c8daa850d161428edcf46b4e968fbb57303ac0b1c6f19","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-05-27T13:35:07Z","title_canon_sha256":"120a90d7aa6027f7734a5026e3c4db3e4af909167e010b66ae9910d8bbf8075e"},"schema_version":"1.0","source":{"id":"1605.08633","kind":"arxiv","version":2}},"canonical_sha256":"531f2545d9e70fdb2cc857a81f56eaeff8be0fee8735f2829565c543a07f4d0d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"531f2545d9e70fdb2cc857a81f56eaeff8be0fee8735f2829565c543a07f4d0d","first_computed_at":"2026-05-18T00:55:13.668282Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:55:13.668282Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xFqWLH7QYXvZxJA9Ghcy0505i9L55eXp05UgL+ktQBf5FQnhib1yl+hUNHGPvAeBcTpemRzHwQfhHPMahBSIBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:55:13.668912Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.08633","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b788f5da0b24aab8a62408b0da95c2cfb72c712f48c6ff74f747dbca2bd72390","sha256:002a5e58b8eb93dc74f99fc5f0d0400118dad834b3ea09142e5a8dc097a17c0e"],"state_sha256":"bfd833c90f38861a97b04aa9eefe67b47197f7f8ed088a37d7fadf650437a9f2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ok8eAZlAbSlHXLw09PuMLNxqs6IjHHF7JiMKiHDytNHKoUL7YHdKXiATJCwRz8QPxdnXcuYQYg6c5ZlEMfWtAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T00:03:14.179427Z","bundle_sha256":"22c98593738fc5510e3b61c930b23d21f6d67e457b2052723fab52feb9ddb2f6"}}