{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:TW5SNHZPR7GLBG2YQK5HXD43F4","short_pith_number":"pith:TW5SNHZP","canonical_record":{"source":{"id":"2111.04712","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-11-08T18:44:49Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"e24446a522b25c502df55c12352258ddfbd6106999c1d1f2976ec211ea4a73d6","abstract_canon_sha256":"4fe45fd946279ac05adf5ff03e39df8683f3b14682248657f645d2a305220d98"},"schema_version":"1.0"},"canonical_sha256":"9dbb269f2f8fccb09b5882ba7b8f9b2f08e2380ace0277bd0a6deeea2b008cb5","source":{"kind":"arxiv","id":"2111.04712","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.04712","created_at":"2026-07-05T03:58:57Z"},{"alias_kind":"arxiv_version","alias_value":"2111.04712v2","created_at":"2026-07-05T03:58:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.04712","created_at":"2026-07-05T03:58:57Z"},{"alias_kind":"pith_short_12","alias_value":"TW5SNHZPR7GL","created_at":"2026-07-05T03:58:57Z"},{"alias_kind":"pith_short_16","alias_value":"TW5SNHZPR7GLBG2Y","created_at":"2026-07-05T03:58:57Z"},{"alias_kind":"pith_short_8","alias_value":"TW5SNHZP","created_at":"2026-07-05T03:58:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:TW5SNHZPR7GLBG2YQK5HXD43F4","target":"record","payload":{"canonical_record":{"source":{"id":"2111.04712","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-11-08T18:44:49Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"e24446a522b25c502df55c12352258ddfbd6106999c1d1f2976ec211ea4a73d6","abstract_canon_sha256":"4fe45fd946279ac05adf5ff03e39df8683f3b14682248657f645d2a305220d98"},"schema_version":"1.0"},"canonical_sha256":"9dbb269f2f8fccb09b5882ba7b8f9b2f08e2380ace0277bd0a6deeea2b008cb5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:58:57.159430Z","signature_b64":"DCMv2Lw5ijjXjUaK0gd97EK+TWfJMdhKHjfnCbLXnWPWTpUfW7fUtIAh2PRe4UCUyApjoTWTsbOcmSPqnuKqCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9dbb269f2f8fccb09b5882ba7b8f9b2f08e2380ace0277bd0a6deeea2b008cb5","last_reissued_at":"2026-07-05T03:58:57.158863Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:58:57.158863Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.04712","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":"2026-07-05T03:58:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bNP4Q6ghzn8eyqq24cVPZ67kmccFOXfG/62bn5NQfoi/6Xi2wjRhTlaVZMWtzNyDQTm9AVfE4Iuwc4Wko7QKAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T07:18:46.157506Z"},"content_sha256":"cf9a4ca03d64bec581401de486d6b9b817a8bd70d206512e2f355403b5139417","schema_version":"1.0","event_id":"sha256:cf9a4ca03d64bec581401de486d6b9b817a8bd70d206512e2f355403b5139417"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:TW5SNHZPR7GLBG2YQK5HXD43F4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hypermagnetogenesis from axion inflation: Model-independent estimates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"hep-ph","authors_text":"E.V. Gorbar, K. Schmitz, O.O. Sobol, S.I. Vilchinskii","submitted_at":"2021-11-08T18:44:49Z","abstract_excerpt":"Axion inflation coupled to the Standard Model (SM) hypercharge gauge sector represents an attractive scenario for the generation of primordial hypermagnetic fields. The description of this scenario is, however, complicated by the Schwinger effect, which gives rise to highly nonlinear dynamics. Hypermagnetogenesis during axion inflation in the absence of nonlinear effects is well studied and known to result in a hypermagnetic energy density that scales like $H^4\\,e^{2\\pi\\xi}/\\xi^5$, where $\\xi$ is proportional to the time derivative of the axion-vector coupling in units of the Hubble rate $H$. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.04712","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2111.04712/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":"2026-07-05T03:58:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zMQARukG8VIKM9fU690Pu1xW32M8i/WrpFsv+oVeNNKhn29NAKzwyQJfG5S0KIAe8ZiL+tHbWIie4kQDAbguBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T07:18:46.158040Z"},"content_sha256":"d73bfe6cb47812051276de9156dba6367df1d6419300ee7329f61fc49d45cdcc","schema_version":"1.0","event_id":"sha256:d73bfe6cb47812051276de9156dba6367df1d6419300ee7329f61fc49d45cdcc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TW5SNHZPR7GLBG2YQK5HXD43F4/bundle.json","state_url":"https://pith.science/pith/TW5SNHZPR7GLBG2YQK5HXD43F4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TW5SNHZPR7GLBG2YQK5HXD43F4/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":"2026-08-01T07:18:46Z","links":{"resolver":"https://pith.science/pith/TW5SNHZPR7GLBG2YQK5HXD43F4","bundle":"https://pith.science/pith/TW5SNHZPR7GLBG2YQK5HXD43F4/bundle.json","state":"https://pith.science/pith/TW5SNHZPR7GLBG2YQK5HXD43F4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TW5SNHZPR7GLBG2YQK5HXD43F4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:TW5SNHZPR7GLBG2YQK5HXD43F4","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":"4fe45fd946279ac05adf5ff03e39df8683f3b14682248657f645d2a305220d98","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-11-08T18:44:49Z","title_canon_sha256":"e24446a522b25c502df55c12352258ddfbd6106999c1d1f2976ec211ea4a73d6"},"schema_version":"1.0","source":{"id":"2111.04712","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.04712","created_at":"2026-07-05T03:58:57Z"},{"alias_kind":"arxiv_version","alias_value":"2111.04712v2","created_at":"2026-07-05T03:58:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.04712","created_at":"2026-07-05T03:58:57Z"},{"alias_kind":"pith_short_12","alias_value":"TW5SNHZPR7GL","created_at":"2026-07-05T03:58:57Z"},{"alias_kind":"pith_short_16","alias_value":"TW5SNHZPR7GLBG2Y","created_at":"2026-07-05T03:58:57Z"},{"alias_kind":"pith_short_8","alias_value":"TW5SNHZP","created_at":"2026-07-05T03:58:57Z"}],"graph_snapshots":[{"event_id":"sha256:d73bfe6cb47812051276de9156dba6367df1d6419300ee7329f61fc49d45cdcc","target":"graph","created_at":"2026-07-05T03:58:57Z","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/2111.04712/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Axion inflation coupled to the Standard Model (SM) hypercharge gauge sector represents an attractive scenario for the generation of primordial hypermagnetic fields. The description of this scenario is, however, complicated by the Schwinger effect, which gives rise to highly nonlinear dynamics. Hypermagnetogenesis during axion inflation in the absence of nonlinear effects is well studied and known to result in a hypermagnetic energy density that scales like $H^4\\,e^{2\\pi\\xi}/\\xi^5$, where $\\xi$ is proportional to the time derivative of the axion-vector coupling in units of the Hubble rate $H$. ","authors_text":"E.V. Gorbar, K. Schmitz, O.O. Sobol, S.I. Vilchinskii","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-11-08T18:44:49Z","title":"Hypermagnetogenesis from axion inflation: Model-independent estimates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.04712","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:cf9a4ca03d64bec581401de486d6b9b817a8bd70d206512e2f355403b5139417","target":"record","created_at":"2026-07-05T03:58:57Z","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":"4fe45fd946279ac05adf5ff03e39df8683f3b14682248657f645d2a305220d98","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-11-08T18:44:49Z","title_canon_sha256":"e24446a522b25c502df55c12352258ddfbd6106999c1d1f2976ec211ea4a73d6"},"schema_version":"1.0","source":{"id":"2111.04712","kind":"arxiv","version":2}},"canonical_sha256":"9dbb269f2f8fccb09b5882ba7b8f9b2f08e2380ace0277bd0a6deeea2b008cb5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9dbb269f2f8fccb09b5882ba7b8f9b2f08e2380ace0277bd0a6deeea2b008cb5","first_computed_at":"2026-07-05T03:58:57.158863Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:58:57.158863Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DCMv2Lw5ijjXjUaK0gd97EK+TWfJMdhKHjfnCbLXnWPWTpUfW7fUtIAh2PRe4UCUyApjoTWTsbOcmSPqnuKqCg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:58:57.159430Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.04712","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cf9a4ca03d64bec581401de486d6b9b817a8bd70d206512e2f355403b5139417","sha256:d73bfe6cb47812051276de9156dba6367df1d6419300ee7329f61fc49d45cdcc"],"state_sha256":"98cfae5b0e649be5ee3bfd229edbed2df54c6b5ba0a64409d30612a72947ec36"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"myVO2I1/i40eN3Sn1Ln+95R7YJN2q14FF5OYO/XneAN8H63Zlbm6r1aoNOdRZXwNwGeHwqei5TdJS9J4yMexCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T07:18:46.176217Z","bundle_sha256":"0ca08bc6b05225928e14dd8bf946033fcb28b432608591b3c793714d46b59dda"}}