{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:UHEUM6VVXVI76GHHIPJSEH7ITU","short_pith_number":"pith:UHEUM6VV","canonical_record":{"source":{"id":"1312.4946","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-12-17T21:00:01Z","cross_cats_sorted":["hep-ph","hep-th"],"title_canon_sha256":"2224df02355dfa0f737d131d87be5c6976a2710b315f8825565bb6b6067eb295","abstract_canon_sha256":"c9373ac038dc32fc917934ac3eaccc5fd41537d78f15acbed3c8c54ed4479d1f"},"schema_version":"1.0"},"canonical_sha256":"a1c9467ab5bd51ff18e743d3221fe89d2dc00096974d80e19d204c65702c2034","source":{"kind":"arxiv","id":"1312.4946","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.4946","created_at":"2026-05-18T02:47:52Z"},{"alias_kind":"arxiv_version","alias_value":"1312.4946v2","created_at":"2026-05-18T02:47:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.4946","created_at":"2026-05-18T02:47:52Z"},{"alias_kind":"pith_short_12","alias_value":"UHEUM6VVXVI7","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UHEUM6VVXVI76GHH","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UHEUM6VV","created_at":"2026-05-18T12:28:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:UHEUM6VVXVI76GHHIPJSEH7ITU","target":"record","payload":{"canonical_record":{"source":{"id":"1312.4946","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-12-17T21:00:01Z","cross_cats_sorted":["hep-ph","hep-th"],"title_canon_sha256":"2224df02355dfa0f737d131d87be5c6976a2710b315f8825565bb6b6067eb295","abstract_canon_sha256":"c9373ac038dc32fc917934ac3eaccc5fd41537d78f15acbed3c8c54ed4479d1f"},"schema_version":"1.0"},"canonical_sha256":"a1c9467ab5bd51ff18e743d3221fe89d2dc00096974d80e19d204c65702c2034","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:47:52.831562Z","signature_b64":"zVq1dmarlfpHhaowE321soQCB4FNgG0Y3x9Uv+RNfNxxuQLmFBehL8q/xb19O/PG1BDh8NdaZ7gVSuX9+gQgBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1c9467ab5bd51ff18e743d3221fe89d2dc00096974d80e19d204c65702c2034","last_reissued_at":"2026-05-18T02:47:52.831087Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:47:52.831087Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.4946","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":"2026-05-18T02:47:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5PNF8LsZ3zLTj+hP7Q+jOTFoOlfxaWigdKDe/joSX2MQNBfPGgjfrfTusziHUEjlyopI2t2hPuJnyqEXzuO4DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T05:28:42.229972Z"},"content_sha256":"0218d4772ce50b8ab61d5c34e1424f1ba5b13047f361f2cc8c11ffb3a2fd3426","schema_version":"1.0","event_id":"sha256:0218d4772ce50b8ab61d5c34e1424f1ba5b13047f361f2cc8c11ffb3a2fd3426"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:UHEUM6VVXVI76GHHIPJSEH7ITU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraints on Gauge Field Production during Inflation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Martin S. Sloth, Sami Nurmi","submitted_at":"2013-12-17T21:00:01Z","abstract_excerpt":"In order to gain new insights into the gauge field couplings in the early universe, we consider the constraints on gauge field production during inflation imposed by requiring that their effect on the CMB anisotropies are subdominant. In particular, we calculate systematically the bispectrum of the primordial curvature perturbation induced by the presence of vector gauge fields during inflation. Using a model independent parametrization in terms of magnetic non-linearity parameters, we calculate for the first time the contribution to the bispectrum from the cross correlation between the inflat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.4946","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":"2026-05-18T02:47:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FwAQnAm/47zM0yXkPLfN4cDRY4znq9Uet/FKm0AzCYMcBnoLL0kcHHQLhFIsPdHFbEwVNBvtQi2P6HdwG4bkDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T05:28:42.230445Z"},"content_sha256":"6e3a0de12c48a372c0f8a33a6923f3b2bf42c53d306a6804105e248ee592630d","schema_version":"1.0","event_id":"sha256:6e3a0de12c48a372c0f8a33a6923f3b2bf42c53d306a6804105e248ee592630d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UHEUM6VVXVI76GHHIPJSEH7ITU/bundle.json","state_url":"https://pith.science/pith/UHEUM6VVXVI76GHHIPJSEH7ITU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UHEUM6VVXVI76GHHIPJSEH7ITU/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":"2026-08-06T05:28:42Z","links":{"resolver":"https://pith.science/pith/UHEUM6VVXVI76GHHIPJSEH7ITU","bundle":"https://pith.science/pith/UHEUM6VVXVI76GHHIPJSEH7ITU/bundle.json","state":"https://pith.science/pith/UHEUM6VVXVI76GHHIPJSEH7ITU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UHEUM6VVXVI76GHHIPJSEH7ITU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:UHEUM6VVXVI76GHHIPJSEH7ITU","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":"c9373ac038dc32fc917934ac3eaccc5fd41537d78f15acbed3c8c54ed4479d1f","cross_cats_sorted":["hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-12-17T21:00:01Z","title_canon_sha256":"2224df02355dfa0f737d131d87be5c6976a2710b315f8825565bb6b6067eb295"},"schema_version":"1.0","source":{"id":"1312.4946","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.4946","created_at":"2026-05-18T02:47:52Z"},{"alias_kind":"arxiv_version","alias_value":"1312.4946v2","created_at":"2026-05-18T02:47:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.4946","created_at":"2026-05-18T02:47:52Z"},{"alias_kind":"pith_short_12","alias_value":"UHEUM6VVXVI7","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UHEUM6VVXVI76GHH","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UHEUM6VV","created_at":"2026-05-18T12:28:02Z"}],"graph_snapshots":[{"event_id":"sha256:6e3a0de12c48a372c0f8a33a6923f3b2bf42c53d306a6804105e248ee592630d","target":"graph","created_at":"2026-05-18T02:47:52Z","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":"In order to gain new insights into the gauge field couplings in the early universe, we consider the constraints on gauge field production during inflation imposed by requiring that their effect on the CMB anisotropies are subdominant. In particular, we calculate systematically the bispectrum of the primordial curvature perturbation induced by the presence of vector gauge fields during inflation. Using a model independent parametrization in terms of magnetic non-linearity parameters, we calculate for the first time the contribution to the bispectrum from the cross correlation between the inflat","authors_text":"Martin S. Sloth, Sami Nurmi","cross_cats":["hep-ph","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-12-17T21:00:01Z","title":"Constraints on Gauge Field Production during Inflation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.4946","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":"sha256:0218d4772ce50b8ab61d5c34e1424f1ba5b13047f361f2cc8c11ffb3a2fd3426","target":"record","created_at":"2026-05-18T02:47:52Z","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":"c9373ac038dc32fc917934ac3eaccc5fd41537d78f15acbed3c8c54ed4479d1f","cross_cats_sorted":["hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-12-17T21:00:01Z","title_canon_sha256":"2224df02355dfa0f737d131d87be5c6976a2710b315f8825565bb6b6067eb295"},"schema_version":"1.0","source":{"id":"1312.4946","kind":"arxiv","version":2}},"canonical_sha256":"a1c9467ab5bd51ff18e743d3221fe89d2dc00096974d80e19d204c65702c2034","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a1c9467ab5bd51ff18e743d3221fe89d2dc00096974d80e19d204c65702c2034","first_computed_at":"2026-05-18T02:47:52.831087Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:47:52.831087Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zVq1dmarlfpHhaowE321soQCB4FNgG0Y3x9Uv+RNfNxxuQLmFBehL8q/xb19O/PG1BDh8NdaZ7gVSuX9+gQgBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:47:52.831562Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.4946","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0218d4772ce50b8ab61d5c34e1424f1ba5b13047f361f2cc8c11ffb3a2fd3426","sha256:6e3a0de12c48a372c0f8a33a6923f3b2bf42c53d306a6804105e248ee592630d"],"state_sha256":"607d7e3f9146d0cfb272fff985a7ee4d6fd119bdf8143de67ae9956b30faa05d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KMT/bMIwmjDLNA8VwPQnjMJquje8mJ92ZAUKPStuXCfjRONyJSD45h7wkJAMe65kxTiq72Uwz7NWEC0dp52WDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T05:28:42.236285Z","bundle_sha256":"b88b963dce7febfebb735df2375bb684584a526d76d2f4d4d63bd13c402102a4"}}