{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:AY5FU5KR4JGC6SQHBJRVIKFHAE","short_pith_number":"pith:AY5FU5KR","schema_version":"1.0","canonical_sha256":"063a5a7551e24c2f4a070a635428a7010adf800b0e1b69a19cfd89fd0014615f","source":{"kind":"arxiv","id":"1208.2625","version":2},"attestation_state":"computed","paper":{"title":"Constraints on a Stochastic Background of Primordial Magnetic Fields with WMAP and South Pole Telescope data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Daniela Paoletti, Fabio Finelli","submitted_at":"2012-08-13T16:04:39Z","abstract_excerpt":"We constrain a stochastic background of primordial magnetic fields (PMF) by its contribution to the cosmic microwave background (CMB) anisotropy angular power spectrum with the combination of WMAP 7 year and South Pole Telescope (SPT) data. The contamination in the SPT data by unresolved point sources and by the Sunyaev Zeldovich (SZ) effect due to galaxy clusters has been taken into account as modelled by the SPT collaboration. With this combination of WMAP 7 yr and SPT data, we constrain the amplitude Gaussian smoothed over 1 Mpc scale of a stochatic background of non-helical PMF to $B_{\\rm "},"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":"1208.2625","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-08-13T16:04:39Z","cross_cats_sorted":[],"title_canon_sha256":"5d75ad4c564ec32f7becfc38c9221cb30e11ce455e9f981bdcc2cac1155e8381","abstract_canon_sha256":"3fce0e42613c97a4af9b2eb810aab7f3eafeb5c603f46e73c7d775a5f81ded34"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:09:34.107166Z","signature_b64":"Cu0snRM4b3wansPmBDygXuGjsJEUS45uGjEvUXNZRTg+VSQR2T8ga13tO6YnIcu9jBdV6o/KNTIPcZSTtQlpDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"063a5a7551e24c2f4a070a635428a7010adf800b0e1b69a19cfd89fd0014615f","last_reissued_at":"2026-05-18T03:09:34.106404Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:09:34.106404Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Constraints on a Stochastic Background of Primordial Magnetic Fields with WMAP and South Pole Telescope data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Daniela Paoletti, Fabio Finelli","submitted_at":"2012-08-13T16:04:39Z","abstract_excerpt":"We constrain a stochastic background of primordial magnetic fields (PMF) by its contribution to the cosmic microwave background (CMB) anisotropy angular power spectrum with the combination of WMAP 7 year and South Pole Telescope (SPT) data. The contamination in the SPT data by unresolved point sources and by the Sunyaev Zeldovich (SZ) effect due to galaxy clusters has been taken into account as modelled by the SPT collaboration. With this combination of WMAP 7 yr and SPT data, we constrain the amplitude Gaussian smoothed over 1 Mpc scale of a stochatic background of non-helical PMF to $B_{\\rm "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.2625","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":"1208.2625","created_at":"2026-05-18T03:09:34.106532+00:00"},{"alias_kind":"arxiv_version","alias_value":"1208.2625v2","created_at":"2026-05-18T03:09:34.106532+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.2625","created_at":"2026-05-18T03:09:34.106532+00:00"},{"alias_kind":"pith_short_12","alias_value":"AY5FU5KR4JGC","created_at":"2026-05-18T12:26:58.693483+00:00"},{"alias_kind":"pith_short_16","alias_value":"AY5FU5KR4JGC6SQH","created_at":"2026-05-18T12:26:58.693483+00:00"},{"alias_kind":"pith_short_8","alias_value":"AY5FU5KR","created_at":"2026-05-18T12:26:58.693483+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/AY5FU5KR4JGC6SQHBJRVIKFHAE","json":"https://pith.science/pith/AY5FU5KR4JGC6SQHBJRVIKFHAE.json","graph_json":"https://pith.science/api/pith-number/AY5FU5KR4JGC6SQHBJRVIKFHAE/graph.json","events_json":"https://pith.science/api/pith-number/AY5FU5KR4JGC6SQHBJRVIKFHAE/events.json","paper":"https://pith.science/paper/AY5FU5KR"},"agent_actions":{"view_html":"https://pith.science/pith/AY5FU5KR4JGC6SQHBJRVIKFHAE","download_json":"https://pith.science/pith/AY5FU5KR4JGC6SQHBJRVIKFHAE.json","view_paper":"https://pith.science/paper/AY5FU5KR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1208.2625&json=true","fetch_graph":"https://pith.science/api/pith-number/AY5FU5KR4JGC6SQHBJRVIKFHAE/graph.json","fetch_events":"https://pith.science/api/pith-number/AY5FU5KR4JGC6SQHBJRVIKFHAE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AY5FU5KR4JGC6SQHBJRVIKFHAE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AY5FU5KR4JGC6SQHBJRVIKFHAE/action/storage_attestation","attest_author":"https://pith.science/pith/AY5FU5KR4JGC6SQHBJRVIKFHAE/action/author_attestation","sign_citation":"https://pith.science/pith/AY5FU5KR4JGC6SQHBJRVIKFHAE/action/citation_signature","submit_replication":"https://pith.science/pith/AY5FU5KR4JGC6SQHBJRVIKFHAE/action/replication_record"}},"created_at":"2026-05-18T03:09:34.106532+00:00","updated_at":"2026-05-18T03:09:34.106532+00:00"}