{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:MRV2UXDDOE7BG2JCFJJRNEIZ7M","short_pith_number":"pith:MRV2UXDD","canonical_record":{"source":{"id":"2503.01981","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2025-03-03T19:01:37Z","cross_cats_sorted":["astro-ph.CO","gr-qc","hep-th"],"title_canon_sha256":"85bf0a354263217a40ae1f96c3c8b35604f42ef7b40620d28fae72ab22e10522","abstract_canon_sha256":"c563f6159150cf5d616fbfe91dfa26b497c44fb6dd836e476547c72e0fc36cb0"},"schema_version":"1.0"},"canonical_sha256":"646baa5c63713e1369222a53169119fb075caac7273bc357abd40c186fbf1086","source":{"kind":"arxiv","id":"2503.01981","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.01981","created_at":"2026-07-05T10:23:33Z"},{"alias_kind":"arxiv_version","alias_value":"2503.01981v1","created_at":"2026-07-05T10:23:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.01981","created_at":"2026-07-05T10:23:33Z"},{"alias_kind":"pith_short_12","alias_value":"MRV2UXDDOE7B","created_at":"2026-07-05T10:23:33Z"},{"alias_kind":"pith_short_16","alias_value":"MRV2UXDDOE7BG2JC","created_at":"2026-07-05T10:23:33Z"},{"alias_kind":"pith_short_8","alias_value":"MRV2UXDD","created_at":"2026-07-05T10:23:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:MRV2UXDDOE7BG2JCFJJRNEIZ7M","target":"record","payload":{"canonical_record":{"source":{"id":"2503.01981","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2025-03-03T19:01:37Z","cross_cats_sorted":["astro-ph.CO","gr-qc","hep-th"],"title_canon_sha256":"85bf0a354263217a40ae1f96c3c8b35604f42ef7b40620d28fae72ab22e10522","abstract_canon_sha256":"c563f6159150cf5d616fbfe91dfa26b497c44fb6dd836e476547c72e0fc36cb0"},"schema_version":"1.0"},"canonical_sha256":"646baa5c63713e1369222a53169119fb075caac7273bc357abd40c186fbf1086","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:23:33.984249Z","signature_b64":"k4pWXB5WDlFXy9yfdbOW0Oy5fZD5epTyZUdkmDMH0C/iu6Y174UYQlHYW19l4s0kKNy8V2g+Zm6lBjA+rsHeBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"646baa5c63713e1369222a53169119fb075caac7273bc357abd40c186fbf1086","last_reissued_at":"2026-07-05T10:23:33.983732Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:23:33.983732Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.01981","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:23:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f3EIFhq0FoMqhA83f5JADanTByR4lilwXjcpeylmT/XA/cxqw5FKPKDivw8raJBEm+OlhtNp3HdIIhtBuomtBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T14:57:45.596424Z"},"content_sha256":"a3c1ac141b43d316aea7ab2d22daa71ae7cc45b4a49e7745ea87c8aecb32ca08","schema_version":"1.0","event_id":"sha256:a3c1ac141b43d316aea7ab2d22daa71ae7cc45b4a49e7745ea87c8aecb32ca08"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:MRV2UXDDOE7BG2JCFJJRNEIZ7M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Schwinger Current in de Sitter Space","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO","gr-qc","hep-th"],"primary_cat":"hep-ph","authors_text":"Ant\\'onio Torres Manso, Lorenzo Ubaldi, Mar Bastero-Gil, Paulo B. Ferraz, Roberto Vega-Morales","submitted_at":"2025-03-03T19:01:37Z","abstract_excerpt":"We study classical background electric fields and the Schwinger effect in de Sitter space. We show that having a constant electric field in de Sitter requires the photon to have a tachyonic mass proportional to the Hubble scale. This has physical implications for the induced Schwinger current which affect its IR behaviour. To study this we recompute the Schwinger current in de Sitter space for charged fermions and minimally coupled scalars imposing a physically consistent renormalization condition. We find a finite and positive Schwinger current even in the massless limit. This is in contrast "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.01981","kind":"arxiv","version":1},"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/2503.01981/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":"2026-07-05T10:23:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f2IM3t0Gw5HXIv9v6w3vptMqTxJyAG0vBJTBjB3ApJPDKKIN3oIPUoGz82hCHil5gfOgw8jYBbDcqoMS3ONSDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T14:57:45.597036Z"},"content_sha256":"d63eada6d1a30e10f53ec01e4100360ec4bbb8fb216f8d14c6feffc213e77c92","schema_version":"1.0","event_id":"sha256:d63eada6d1a30e10f53ec01e4100360ec4bbb8fb216f8d14c6feffc213e77c92"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MRV2UXDDOE7BG2JCFJJRNEIZ7M/bundle.json","state_url":"https://pith.science/pith/MRV2UXDDOE7BG2JCFJJRNEIZ7M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MRV2UXDDOE7BG2JCFJJRNEIZ7M/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":"2026-08-11T14:57:45Z","links":{"resolver":"https://pith.science/pith/MRV2UXDDOE7BG2JCFJJRNEIZ7M","bundle":"https://pith.science/pith/MRV2UXDDOE7BG2JCFJJRNEIZ7M/bundle.json","state":"https://pith.science/pith/MRV2UXDDOE7BG2JCFJJRNEIZ7M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MRV2UXDDOE7BG2JCFJJRNEIZ7M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:MRV2UXDDOE7BG2JCFJJRNEIZ7M","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":"c563f6159150cf5d616fbfe91dfa26b497c44fb6dd836e476547c72e0fc36cb0","cross_cats_sorted":["astro-ph.CO","gr-qc","hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2025-03-03T19:01:37Z","title_canon_sha256":"85bf0a354263217a40ae1f96c3c8b35604f42ef7b40620d28fae72ab22e10522"},"schema_version":"1.0","source":{"id":"2503.01981","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.01981","created_at":"2026-07-05T10:23:33Z"},{"alias_kind":"arxiv_version","alias_value":"2503.01981v1","created_at":"2026-07-05T10:23:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.01981","created_at":"2026-07-05T10:23:33Z"},{"alias_kind":"pith_short_12","alias_value":"MRV2UXDDOE7B","created_at":"2026-07-05T10:23:33Z"},{"alias_kind":"pith_short_16","alias_value":"MRV2UXDDOE7BG2JC","created_at":"2026-07-05T10:23:33Z"},{"alias_kind":"pith_short_8","alias_value":"MRV2UXDD","created_at":"2026-07-05T10:23:33Z"}],"graph_snapshots":[{"event_id":"sha256:d63eada6d1a30e10f53ec01e4100360ec4bbb8fb216f8d14c6feffc213e77c92","target":"graph","created_at":"2026-07-05T10:23:33Z","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/2503.01981/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study classical background electric fields and the Schwinger effect in de Sitter space. We show that having a constant electric field in de Sitter requires the photon to have a tachyonic mass proportional to the Hubble scale. This has physical implications for the induced Schwinger current which affect its IR behaviour. To study this we recompute the Schwinger current in de Sitter space for charged fermions and minimally coupled scalars imposing a physically consistent renormalization condition. We find a finite and positive Schwinger current even in the massless limit. This is in contrast ","authors_text":"Ant\\'onio Torres Manso, Lorenzo Ubaldi, Mar Bastero-Gil, Paulo B. Ferraz, Roberto Vega-Morales","cross_cats":["astro-ph.CO","gr-qc","hep-th"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2025-03-03T19:01:37Z","title":"Schwinger Current in de Sitter Space"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.01981","kind":"arxiv","version":1},"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:a3c1ac141b43d316aea7ab2d22daa71ae7cc45b4a49e7745ea87c8aecb32ca08","target":"record","created_at":"2026-07-05T10:23:33Z","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":"c563f6159150cf5d616fbfe91dfa26b497c44fb6dd836e476547c72e0fc36cb0","cross_cats_sorted":["astro-ph.CO","gr-qc","hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2025-03-03T19:01:37Z","title_canon_sha256":"85bf0a354263217a40ae1f96c3c8b35604f42ef7b40620d28fae72ab22e10522"},"schema_version":"1.0","source":{"id":"2503.01981","kind":"arxiv","version":1}},"canonical_sha256":"646baa5c63713e1369222a53169119fb075caac7273bc357abd40c186fbf1086","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"646baa5c63713e1369222a53169119fb075caac7273bc357abd40c186fbf1086","first_computed_at":"2026-07-05T10:23:33.983732Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:23:33.983732Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k4pWXB5WDlFXy9yfdbOW0Oy5fZD5epTyZUdkmDMH0C/iu6Y174UYQlHYW19l4s0kKNy8V2g+Zm6lBjA+rsHeBg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:23:33.984249Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.01981","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3c1ac141b43d316aea7ab2d22daa71ae7cc45b4a49e7745ea87c8aecb32ca08","sha256:d63eada6d1a30e10f53ec01e4100360ec4bbb8fb216f8d14c6feffc213e77c92"],"state_sha256":"0a73562228f0e449bb745d3c92e2edeef6f9d77f376eb5e67a85869abb545ee9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ecZNTiBUPdm+eHxdJqg9hQuwz75WvHJ6mIq5F83Y0TZGAXTTqik6z5oKKCAzMgymz7W47cApDafw9tmIsIq7CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T14:57:45.602926Z","bundle_sha256":"b76506e0ae67555478dc7501519d2fc51fff266c1b771344497fdf13455b6762"}}