{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:LUIC4J3KAOO33L6UGVNLCJALK2","short_pith_number":"pith:LUIC4J3K","canonical_record":{"source":{"id":"1409.1383","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-09-04T09:53:48Z","cross_cats_sorted":[],"title_canon_sha256":"13fc88b59241f878a04f43bf1db1d794cf1bf216a2a913708c636d3e29e6a4cc","abstract_canon_sha256":"22a8e17c8b984f2eda7b43adf0452045b1f97a52eb5203cbefacd8a8f976f023"},"schema_version":"1.0"},"canonical_sha256":"5d102e276a039dbdafd4355ab1240b56b1a3112d1e06c1925cf9d9e419a2bb52","source":{"kind":"arxiv","id":"1409.1383","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.1383","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"arxiv_version","alias_value":"1409.1383v1","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.1383","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"pith_short_12","alias_value":"LUIC4J3KAOO3","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LUIC4J3KAOO33L6U","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LUIC4J3K","created_at":"2026-05-18T12:28:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:LUIC4J3KAOO33L6UGVNLCJALK2","target":"record","payload":{"canonical_record":{"source":{"id":"1409.1383","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-09-04T09:53:48Z","cross_cats_sorted":[],"title_canon_sha256":"13fc88b59241f878a04f43bf1db1d794cf1bf216a2a913708c636d3e29e6a4cc","abstract_canon_sha256":"22a8e17c8b984f2eda7b43adf0452045b1f97a52eb5203cbefacd8a8f976f023"},"schema_version":"1.0"},"canonical_sha256":"5d102e276a039dbdafd4355ab1240b56b1a3112d1e06c1925cf9d9e419a2bb52","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:08.077428Z","signature_b64":"sxqX+saWOg1jK6FL9fJa9SbJxv0//u/afEpXUnpZBnTuVtWRLaO2CYPL9hnOiVKzMsw6MqBTDOULh7hUge8BAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5d102e276a039dbdafd4355ab1240b56b1a3112d1e06c1925cf9d9e419a2bb52","last_reissued_at":"2026-05-18T01:42:08.076669Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:08.076669Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.1383","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":"2026-05-18T01:42:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p4515kClYEMo8/3tHgvlKI/3s8IL4mfZ61E0C3m57H9YMJlYeGuzRE/lcfSHUg/px3d779XnFiDTW/Hkd4VyDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:53:34.179977Z"},"content_sha256":"875221baa787e3afc367fb889d290dab14fd6e7ebc6c6fe2365037dbd9e6f590","schema_version":"1.0","event_id":"sha256:875221baa787e3afc367fb889d290dab14fd6e7ebc6c6fe2365037dbd9e6f590"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:LUIC4J3KAOO33L6UGVNLCJALK2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Schwinger Effect and Negative Differential Conductivity in Holographic Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"B.Sathiapalan, Shankhadeep Chakrabortty","submitted_at":"2014-09-04T09:53:48Z","abstract_excerpt":"The consequences of the Schwinger effect for conductivity is computed for strong coupling systems using holography. The one loop diagram on the flavor brane introduces an $O({\\lambda \\over N_c})$ imaginary part in the effective action for a Maxwell flavor gauge field. This in turn introduces a real conductivity in an otherwise insulating phase of the boundary theory. Moreover in certain regions of parameter space the differential conductivity is negative. This is computed in the context of the Sakai-Sugimoto model."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.1383","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":""},"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":"2026-05-18T01:42:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yNsIN7Q9DeEQ/7eMw7fPfjrVdXpaG+tlY94wkNzIjibtSOruXoEm3hx/I/Yam7nGTMsbk4FTyL7lOr4/cvx3AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:53:34.180340Z"},"content_sha256":"f9d549e29a36e48a4883683ac22957e019e6b459e9a93993ee5a02063983bf81","schema_version":"1.0","event_id":"sha256:f9d549e29a36e48a4883683ac22957e019e6b459e9a93993ee5a02063983bf81"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LUIC4J3KAOO33L6UGVNLCJALK2/bundle.json","state_url":"https://pith.science/pith/LUIC4J3KAOO33L6UGVNLCJALK2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LUIC4J3KAOO33L6UGVNLCJALK2/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":"2026-05-28T14:53:34Z","links":{"resolver":"https://pith.science/pith/LUIC4J3KAOO33L6UGVNLCJALK2","bundle":"https://pith.science/pith/LUIC4J3KAOO33L6UGVNLCJALK2/bundle.json","state":"https://pith.science/pith/LUIC4J3KAOO33L6UGVNLCJALK2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LUIC4J3KAOO33L6UGVNLCJALK2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:LUIC4J3KAOO33L6UGVNLCJALK2","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":"22a8e17c8b984f2eda7b43adf0452045b1f97a52eb5203cbefacd8a8f976f023","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-09-04T09:53:48Z","title_canon_sha256":"13fc88b59241f878a04f43bf1db1d794cf1bf216a2a913708c636d3e29e6a4cc"},"schema_version":"1.0","source":{"id":"1409.1383","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.1383","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"arxiv_version","alias_value":"1409.1383v1","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.1383","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"pith_short_12","alias_value":"LUIC4J3KAOO3","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LUIC4J3KAOO33L6U","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LUIC4J3K","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:f9d549e29a36e48a4883683ac22957e019e6b459e9a93993ee5a02063983bf81","target":"graph","created_at":"2026-05-18T01:42:08Z","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":"The consequences of the Schwinger effect for conductivity is computed for strong coupling systems using holography. The one loop diagram on the flavor brane introduces an $O({\\lambda \\over N_c})$ imaginary part in the effective action for a Maxwell flavor gauge field. This in turn introduces a real conductivity in an otherwise insulating phase of the boundary theory. Moreover in certain regions of parameter space the differential conductivity is negative. This is computed in the context of the Sakai-Sugimoto model.","authors_text":"B.Sathiapalan, Shankhadeep Chakrabortty","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-09-04T09:53:48Z","title":"Schwinger Effect and Negative Differential Conductivity in Holographic Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.1383","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":"sha256:875221baa787e3afc367fb889d290dab14fd6e7ebc6c6fe2365037dbd9e6f590","target":"record","created_at":"2026-05-18T01:42:08Z","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":"22a8e17c8b984f2eda7b43adf0452045b1f97a52eb5203cbefacd8a8f976f023","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-09-04T09:53:48Z","title_canon_sha256":"13fc88b59241f878a04f43bf1db1d794cf1bf216a2a913708c636d3e29e6a4cc"},"schema_version":"1.0","source":{"id":"1409.1383","kind":"arxiv","version":1}},"canonical_sha256":"5d102e276a039dbdafd4355ab1240b56b1a3112d1e06c1925cf9d9e419a2bb52","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5d102e276a039dbdafd4355ab1240b56b1a3112d1e06c1925cf9d9e419a2bb52","first_computed_at":"2026-05-18T01:42:08.076669Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:08.076669Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sxqX+saWOg1jK6FL9fJa9SbJxv0//u/afEpXUnpZBnTuVtWRLaO2CYPL9hnOiVKzMsw6MqBTDOULh7hUge8BAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:08.077428Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.1383","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:875221baa787e3afc367fb889d290dab14fd6e7ebc6c6fe2365037dbd9e6f590","sha256:f9d549e29a36e48a4883683ac22957e019e6b459e9a93993ee5a02063983bf81"],"state_sha256":"fd3ea9573dc895a2c664f8eb1d812aed5cc45c0437a116b28ecead459f6d9be3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y69k5Wpl4MnpPyT+ohp4XwnzGXki6DedcKicu2tfezA5oZsDNZ/6I0GdIOjCxFfJAQuieaOGLT7GE7frVv6XBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T14:53:34.182468Z","bundle_sha256":"acf660d72f8a18d1874631198c6aeb566706383e8f3e81a313a8fc5d04e87460"}}