{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:4GPAHZZPLGKUBW2I2B3LO3XV4G","short_pith_number":"pith:4GPAHZZP","schema_version":"1.0","canonical_sha256":"e19e03e72f599540db48d076b76ef5e1b120327b5c34afde0abdb1a905ebf005","source":{"kind":"arxiv","id":"1502.01594","version":2},"attestation_state":"computed","paper":{"title":"Planck 2015 results. XIX. Constraints on primordial magnetic fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. A. Fraisse, A. Beno\\^it, A. Benoit-L\\'evy, A. Bonaldi, A. Catalano, A. Chamballu, A. Coulais, A. Curto, A. De Rosa, A. Ducout, A. Frejsel, A. Gregorio, A. Gruppuso, A. H. Jaffe, A. Hornstrup, A. J. Banday, A. L\\\"ahteenm\\\"aki, A. Lasenby, A. Mangilli, A. Melchiorri, A. Mennella, A. Moneti, A. Moss, A. Renzi, A.-S. Suur-Uski, A. Zacchei, A. Zonca, B. D. Wandelt, B. P. Crill, B. Ruiz-Granados, B. Rusholme, B. Van Tent, C. A. Oxborrow, C. Baccigalupi, C. B. Netterfield, C. Burigana, C. Combet, C. Hern\\'andez-Monteagudo, C. Renault, C. R. Lawrence, C. Rosset, D. Hanson, D. Herranz, D. L. Clements, D. L. Harrison, D. Maino, D. Molinari, D. Mortlock, D. Munshi, D. Novikov, D. Paoletti, D. Pietrobon, D. Santos, D. Scott, D. Sutton, D. Yvon, E. Battaner, E. Calabrese, E. Florido, E. Franceschi, E. Gjerl{\\o}w, E. Hivon, E. Keih\\\"anen, E. Mart\\'inez-Gonz\\'alez, E. Pierpaoli, E. Pointecouteau, E. P. S. Shellard, F. Arroja, F. Couchot, F. Cuttaia, F. Elsner, F. Finelli, F. K. Hansen, F. Levrier, F. Nati, F. Noviello, F. Paci, F. Pajot, F. Pasian, F. Perrotta, F. Piacentini, F. R. Bouchet, F. Villa, F.-X. D\\'esert, G. de Zotti, G. Efstathiou, G. Helou, G. Hurier, G. Lagache, G. Maggio, G. Morgante, G. Patanchon, G. Polenta, G. Pr\\'ezeau, G. Rocha, G. Roudier, G. Savini, G. Umana, G. W. Pratt, H. C. Chiang, H. Dole, H. K. Eriksen, H. Kurki-Suonio, H. U. N{\\o}rgaard-Nielsen, I. K. Wehus, I. Novikov, I. Ristorcelli, J. A. Murphy, J. A. Rubi\\~no-Mart\\'in, J. A. Tauber, J. Aumont, J. Borrill, J. Chluba, J. Delabrouille, J. E. Gudmundsson, J.-F. Cardoso, J. Fergusson, J. F. Mac\\'ias-P\\'erez, J.-F. Sygnet, J. Gonz\\'alez-Nuevo, J. J. Bock, J. Kim, J. Knoche, J. Lesgourgues, J.-L. Puget, J. M. Diego, J.-M. Lamarre, J.-P. Bernard, J. P. Leahy, J. P. Rachen, J. R. Bond, J. Tuovinen, J. Valiviita, K. Benabed, K. Dolag, K. Ganga, K. M. G\\'orski, K. M. Huffenberger, L. A. Wade, L. Bonavera, L. Danese, L. D. Spencer, L. Mendes, L. Montier, L. Pagano, L. Perotto, L. P. L. Colombo, L. Popa, L. Terenzi, L. Toffolatti, L. Valenziano, M.-A. Miville-Desch\\^enes, M. Arnaud, M. Ashdown, M. Ballardini, M. Bersanelli, M. Bucher, M. Douspis, M. D. Seiffert, M. Frailis, M. Giard, M. Hobson, M. Juvela, M. Kunz, M. Lattanzi, M. Liguori, M. Linden-V{\\o}rnle, M. L\\'opez-Caniego, M. Maris, M. Migliaccio, M. Piat, M. Reinecke, M. Remazeilles, M. Rossetti, M. Sandri, M. Savelainen, M. Shiraishi, M. Tomasi, M. Tristram, M. Tucci, N. Aghanim, N. Bartolo, N. Mandolesi, N. Oppermann, O. Dor\\'e, O. Forni, O. Perdereau, P. Bielewicz, P. B. Lilje, P. De Bernardis, P. G. Martin, Planck Collaboration: P. A. R. Ade, P. McGehee, P. M. Lubin, P. Naselsky, P. Natoli, P. R. Christensen, P. R. Meinhold, P. Vielva, R. B. Barreiro, R. C. Butler, R. D. Davies, R. J. Davis, R. Keskitalo, R. Leonardi, R. Rebolo, R. Stompor, R. Sudiwala, R. Sunyaev, S. Church, S. Colombi, S. Donzelli, S. Galeotta, S. Galli, S. Gratton, S. Henrot-Versill\\'e, S. Masi, S. Matarrese, S. Mitra, S. Plaszczynski, S. Prunet, S. R. Hildebrandt, T. A. En{\\ss}lin, T. R. Jaffe, T. S. Kisner, V. Pettorino, V. Stolyarov, W. A. Holmes, W. C. Jones, W. Hovest, X. Dupac, Y. Giraud-H\\'eraud","submitted_at":"2015-02-05T15:08:38Z","abstract_excerpt":"We compute and investigate four types of imprint of a stochastic background of primordial magnetic fields (PMFs) on the cosmic microwave background (CMB) anisotropies: the impact of PMFs on the CMB spectra; the effect on CMB polarization induced by Faraday rotation; the impact of PMFs on the ionization history; magnetically-induced non-Gaussianities; and the magnetically-induced breaking of statistical isotropy. Overall, Planck data constrain the amplitude of PMFs to less than a few nanogauss. In particular, individual limits coming from the analysis of the CMB angular power spectra, using the"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1502.01594","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-02-05T15:08:38Z","cross_cats_sorted":[],"title_canon_sha256":"750bc526d52930c025bbadb46e1657620b2ef8e3466c7c88a9182781c4452a9d","abstract_canon_sha256":"a1c9b0223c3c5ab64e35ee7cfd2567b9fecb420e627415709696009887e82663"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:03:53.343651Z","signature_b64":"/pIWtr0kzeJdrgFthiPAGkYVHYvmlHWvUUrd2brzMjF9Lfg74n//MOHPMbIVRBN4IUqs3Z/ktR/qzq8pVs5sDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e19e03e72f599540db48d076b76ef5e1b120327b5c34afde0abdb1a905ebf005","last_reissued_at":"2026-05-18T01:03:53.342897Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:03:53.342897Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Planck 2015 results. XIX. Constraints on primordial magnetic fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. A. Fraisse, A. Beno\\^it, A. Benoit-L\\'evy, A. Bonaldi, A. Catalano, A. Chamballu, A. Coulais, A. Curto, A. De Rosa, A. Ducout, A. Frejsel, A. Gregorio, A. Gruppuso, A. H. Jaffe, A. Hornstrup, A. J. Banday, A. L\\\"ahteenm\\\"aki, A. Lasenby, A. Mangilli, A. Melchiorri, A. Mennella, A. Moneti, A. Moss, A. Renzi, A.-S. Suur-Uski, A. Zacchei, A. Zonca, B. D. Wandelt, B. P. Crill, B. Ruiz-Granados, B. Rusholme, B. Van Tent, C. A. Oxborrow, C. Baccigalupi, C. B. Netterfield, C. Burigana, C. Combet, C. Hern\\'andez-Monteagudo, C. Renault, C. R. Lawrence, C. Rosset, D. Hanson, D. Herranz, D. L. Clements, D. L. Harrison, D. Maino, D. Molinari, D. Mortlock, D. Munshi, D. Novikov, D. Paoletti, D. Pietrobon, D. Santos, D. Scott, D. Sutton, D. Yvon, E. Battaner, E. Calabrese, E. Florido, E. Franceschi, E. Gjerl{\\o}w, E. Hivon, E. Keih\\\"anen, E. Mart\\'inez-Gonz\\'alez, E. Pierpaoli, E. Pointecouteau, E. P. S. Shellard, F. Arroja, F. Couchot, F. Cuttaia, F. Elsner, F. Finelli, F. K. Hansen, F. Levrier, F. Nati, F. Noviello, F. Paci, F. Pajot, F. Pasian, F. Perrotta, F. Piacentini, F. R. Bouchet, F. Villa, F.-X. D\\'esert, G. de Zotti, G. Efstathiou, G. Helou, G. Hurier, G. Lagache, G. Maggio, G. Morgante, G. Patanchon, G. Polenta, G. Pr\\'ezeau, G. Rocha, G. Roudier, G. Savini, G. Umana, G. W. Pratt, H. C. Chiang, H. Dole, H. K. Eriksen, H. Kurki-Suonio, H. U. N{\\o}rgaard-Nielsen, I. K. Wehus, I. Novikov, I. Ristorcelli, J. A. Murphy, J. A. Rubi\\~no-Mart\\'in, J. A. Tauber, J. Aumont, J. Borrill, J. Chluba, J. Delabrouille, J. E. Gudmundsson, J.-F. Cardoso, J. Fergusson, J. F. Mac\\'ias-P\\'erez, J.-F. Sygnet, J. Gonz\\'alez-Nuevo, J. J. Bock, J. Kim, J. Knoche, J. Lesgourgues, J.-L. Puget, J. M. Diego, J.-M. Lamarre, J.-P. Bernard, J. P. Leahy, J. P. Rachen, J. R. Bond, J. Tuovinen, J. Valiviita, K. Benabed, K. Dolag, K. Ganga, K. M. G\\'orski, K. M. Huffenberger, L. A. Wade, L. Bonavera, L. Danese, L. D. Spencer, L. Mendes, L. Montier, L. Pagano, L. Perotto, L. P. L. Colombo, L. Popa, L. Terenzi, L. Toffolatti, L. Valenziano, M.-A. Miville-Desch\\^enes, M. Arnaud, M. Ashdown, M. Ballardini, M. Bersanelli, M. Bucher, M. Douspis, M. D. Seiffert, M. Frailis, M. Giard, M. Hobson, M. Juvela, M. Kunz, M. Lattanzi, M. Liguori, M. Linden-V{\\o}rnle, M. L\\'opez-Caniego, M. Maris, M. Migliaccio, M. Piat, M. Reinecke, M. Remazeilles, M. Rossetti, M. Sandri, M. Savelainen, M. Shiraishi, M. Tomasi, M. Tristram, M. Tucci, N. Aghanim, N. Bartolo, N. Mandolesi, N. Oppermann, O. Dor\\'e, O. Forni, O. Perdereau, P. Bielewicz, P. B. Lilje, P. De Bernardis, P. G. Martin, Planck Collaboration: P. A. R. Ade, P. McGehee, P. M. Lubin, P. Naselsky, P. Natoli, P. R. Christensen, P. R. Meinhold, P. Vielva, R. B. Barreiro, R. C. Butler, R. D. Davies, R. J. Davis, R. Keskitalo, R. Leonardi, R. Rebolo, R. Stompor, R. Sudiwala, R. Sunyaev, S. Church, S. Colombi, S. Donzelli, S. Galeotta, S. Galli, S. Gratton, S. Henrot-Versill\\'e, S. Masi, S. Matarrese, S. Mitra, S. Plaszczynski, S. Prunet, S. R. Hildebrandt, T. A. En{\\ss}lin, T. R. Jaffe, T. S. Kisner, V. Pettorino, V. Stolyarov, W. A. Holmes, W. C. Jones, W. Hovest, X. Dupac, Y. Giraud-H\\'eraud","submitted_at":"2015-02-05T15:08:38Z","abstract_excerpt":"We compute and investigate four types of imprint of a stochastic background of primordial magnetic fields (PMFs) on the cosmic microwave background (CMB) anisotropies: the impact of PMFs on the CMB spectra; the effect on CMB polarization induced by Faraday rotation; the impact of PMFs on the ionization history; magnetically-induced non-Gaussianities; and the magnetically-induced breaking of statistical isotropy. Overall, Planck data constrain the amplitude of PMFs to less than a few nanogauss. In particular, individual limits coming from the analysis of the CMB angular power spectra, using the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.01594","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1502.01594","created_at":"2026-05-18T01:03:53.343019+00:00"},{"alias_kind":"arxiv_version","alias_value":"1502.01594v2","created_at":"2026-05-18T01:03:53.343019+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.01594","created_at":"2026-05-18T01:03:53.343019+00:00"},{"alias_kind":"pith_short_12","alias_value":"4GPAHZZPLGKU","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_16","alias_value":"4GPAHZZPLGKUBW2I","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_8","alias_value":"4GPAHZZP","created_at":"2026-05-18T12:29:05.191682+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":8,"internal_anchor_count":7,"sample":[{"citing_arxiv_id":"1907.04402","citing_title":"Lectures on Reheating after Inflation","ref_index":115,"is_internal_anchor":true},{"citing_arxiv_id":"2510.22592","citing_title":"Probing Axion-Photon conversion via circular polarization imprints in the CMB $V$-mode observations","ref_index":88,"is_internal_anchor":true},{"citing_arxiv_id":"2510.13752","citing_title":"Effects of primordial magnetic fields on 21 cm multifrequency angular power spectra","ref_index":7,"is_internal_anchor":true},{"citing_arxiv_id":"2605.21281","citing_title":"Self-Consistent Parker Bound on Magnetic Monopoles","ref_index":115,"is_internal_anchor":true},{"citing_arxiv_id":"2601.04340","citing_title":"Dark QCD Origin of the NANOGrav Signal and Self-Interacting Dark Matter","ref_index":64,"is_internal_anchor":true},{"citing_arxiv_id":"2605.14044","citing_title":"The Magnetic Origin of Primordial Black Holes: Ultralight PBHs and Secondary GWs","ref_index":33,"is_internal_anchor":true},{"citing_arxiv_id":"2605.13016","citing_title":"Revisiting constraints on primordial vector modes and implications for sourced magnetic fields and observed $EB$ power spectrum","ref_index":33,"is_internal_anchor":true},{"citing_arxiv_id":"2605.05323","citing_title":"Primordial Magnetic Fields at Cosmic Dawn: 21-cm Forecasts with HERA and SKA","ref_index":27,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4GPAHZZPLGKUBW2I2B3LO3XV4G","json":"https://pith.science/pith/4GPAHZZPLGKUBW2I2B3LO3XV4G.json","graph_json":"https://pith.science/api/pith-number/4GPAHZZPLGKUBW2I2B3LO3XV4G/graph.json","events_json":"https://pith.science/api/pith-number/4GPAHZZPLGKUBW2I2B3LO3XV4G/events.json","paper":"https://pith.science/paper/4GPAHZZP"},"agent_actions":{"view_html":"https://pith.science/pith/4GPAHZZPLGKUBW2I2B3LO3XV4G","download_json":"https://pith.science/pith/4GPAHZZPLGKUBW2I2B3LO3XV4G.json","view_paper":"https://pith.science/paper/4GPAHZZP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1502.01594&json=true","fetch_graph":"https://pith.science/api/pith-number/4GPAHZZPLGKUBW2I2B3LO3XV4G/graph.json","fetch_events":"https://pith.science/api/pith-number/4GPAHZZPLGKUBW2I2B3LO3XV4G/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4GPAHZZPLGKUBW2I2B3LO3XV4G/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4GPAHZZPLGKUBW2I2B3LO3XV4G/action/storage_attestation","attest_author":"https://pith.science/pith/4GPAHZZPLGKUBW2I2B3LO3XV4G/action/author_attestation","sign_citation":"https://pith.science/pith/4GPAHZZPLGKUBW2I2B3LO3XV4G/action/citation_signature","submit_replication":"https://pith.science/pith/4GPAHZZPLGKUBW2I2B3LO3XV4G/action/replication_record"}},"created_at":"2026-05-18T01:03:53.343019+00:00","updated_at":"2026-05-18T01:03:53.343019+00:00"}