{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:BWVRWTMY5UPK5WRL4F4CR7S7D2","short_pith_number":"pith:BWVRWTMY","canonical_record":{"source":{"id":"0802.3720","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-02-26T04:34:14Z","cross_cats_sorted":[],"title_canon_sha256":"8e3b3ae2b226c53a8c0b48c1eee065f763e3b10711b19e3d44c6cd292db873d0","abstract_canon_sha256":"773e488fda4d5c205f7d0766a294e1937b3f017b327f71a91c64b9a3d742c883"},"schema_version":"1.0"},"canonical_sha256":"0dab1b4d98ed1eaeda2be17828fe5f1e89de005fd19fff2eecb2ad5b5c370252","source":{"kind":"arxiv","id":"0802.3720","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0802.3720","created_at":"2026-07-04T17:17:41Z"},{"alias_kind":"arxiv_version","alias_value":"0802.3720v2","created_at":"2026-07-04T17:17:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0802.3720","created_at":"2026-07-04T17:17:41Z"},{"alias_kind":"pith_short_12","alias_value":"BWVRWTMY5UPK","created_at":"2026-07-04T17:17:41Z"},{"alias_kind":"pith_short_16","alias_value":"BWVRWTMY5UPK5WRL","created_at":"2026-07-04T17:17:41Z"},{"alias_kind":"pith_short_8","alias_value":"BWVRWTMY","created_at":"2026-07-04T17:17:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:BWVRWTMY5UPK5WRL4F4CR7S7D2","target":"record","payload":{"canonical_record":{"source":{"id":"0802.3720","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-02-26T04:34:14Z","cross_cats_sorted":[],"title_canon_sha256":"8e3b3ae2b226c53a8c0b48c1eee065f763e3b10711b19e3d44c6cd292db873d0","abstract_canon_sha256":"773e488fda4d5c205f7d0766a294e1937b3f017b327f71a91c64b9a3d742c883"},"schema_version":"1.0"},"canonical_sha256":"0dab1b4d98ed1eaeda2be17828fe5f1e89de005fd19fff2eecb2ad5b5c370252","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:17:41.023964Z","signature_b64":"3bkIYIjAEnXDvPpJ+mdJI473z4L8fmuRy3jpi6YbfU4mlx30Tj7P9fN+qFqsTULmXD3pZXUczcz2iI9N/EbHDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0dab1b4d98ed1eaeda2be17828fe5f1e89de005fd19fff2eecb2ad5b5c370252","last_reissued_at":"2026-07-04T17:17:41.023557Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:17:41.023557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0802.3720","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":"2026-07-04T17:17:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EinTyuFxwOWJ/HhSoionq2GyjdPoYgPRpKPlkCj2zrSOQH+rdmeqwu1Yxjx6MhkU7tZjMVBrlzbgeEDLA19bDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T13:45:56.280353Z"},"content_sha256":"270eea2981c01723c96a9cce2145379747d872291018e40706d52c8c93c392f1","schema_version":"1.0","event_id":"sha256:270eea2981c01723c96a9cce2145379747d872291018e40706d52c8c93c392f1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:BWVRWTMY5UPK5WRL4F4CR7S7D2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Response of Holographic QCD to Electric and Magnetic Fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Gilad Lifschytz, Matthew Lippert, Oren Bergman","submitted_at":"2008-02-26T04:34:14Z","abstract_excerpt":"We study the response of the Sakai-Sugimoto holographic model of large N_c QCD at nonzero temperature to external electric and magnetic fields. In the electric case we find a first-order insulator-conductor transition in both the confining and deconfining phases of the model. In the deconfining phase the conductor is described by the parallel 8-brane-anti-8-brane embedding with a current of quarks and anti-quarks. We compute the conductivity and show that it agrees precisely with a computation using the Kubo formula. In the confining phase we propose a new kind of 8-brane embedding, correspond"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0802.3720","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/0802.3720/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":"2026-07-04T17:17:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vybIJynzvKdFWRfufIyYe1oYo8A8yVNpvSdUWCgh8mCiVHKZpnmIZbtj3BVd2F9c90W4mtwrhGiMash2Wkr1Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T13:45:56.281205Z"},"content_sha256":"139f181ad2bf47ec9520bcb08dd19c88ff2c469c70f135b932f85680507b803c","schema_version":"1.0","event_id":"sha256:139f181ad2bf47ec9520bcb08dd19c88ff2c469c70f135b932f85680507b803c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BWVRWTMY5UPK5WRL4F4CR7S7D2/bundle.json","state_url":"https://pith.science/pith/BWVRWTMY5UPK5WRL4F4CR7S7D2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BWVRWTMY5UPK5WRL4F4CR7S7D2/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":"2026-08-05T13:45:56Z","links":{"resolver":"https://pith.science/pith/BWVRWTMY5UPK5WRL4F4CR7S7D2","bundle":"https://pith.science/pith/BWVRWTMY5UPK5WRL4F4CR7S7D2/bundle.json","state":"https://pith.science/pith/BWVRWTMY5UPK5WRL4F4CR7S7D2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BWVRWTMY5UPK5WRL4F4CR7S7D2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:BWVRWTMY5UPK5WRL4F4CR7S7D2","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":"773e488fda4d5c205f7d0766a294e1937b3f017b327f71a91c64b9a3d742c883","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-02-26T04:34:14Z","title_canon_sha256":"8e3b3ae2b226c53a8c0b48c1eee065f763e3b10711b19e3d44c6cd292db873d0"},"schema_version":"1.0","source":{"id":"0802.3720","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0802.3720","created_at":"2026-07-04T17:17:41Z"},{"alias_kind":"arxiv_version","alias_value":"0802.3720v2","created_at":"2026-07-04T17:17:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0802.3720","created_at":"2026-07-04T17:17:41Z"},{"alias_kind":"pith_short_12","alias_value":"BWVRWTMY5UPK","created_at":"2026-07-04T17:17:41Z"},{"alias_kind":"pith_short_16","alias_value":"BWVRWTMY5UPK5WRL","created_at":"2026-07-04T17:17:41Z"},{"alias_kind":"pith_short_8","alias_value":"BWVRWTMY","created_at":"2026-07-04T17:17:41Z"}],"graph_snapshots":[{"event_id":"sha256:139f181ad2bf47ec9520bcb08dd19c88ff2c469c70f135b932f85680507b803c","target":"graph","created_at":"2026-07-04T17:17:41Z","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/0802.3720/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the response of the Sakai-Sugimoto holographic model of large N_c QCD at nonzero temperature to external electric and magnetic fields. In the electric case we find a first-order insulator-conductor transition in both the confining and deconfining phases of the model. In the deconfining phase the conductor is described by the parallel 8-brane-anti-8-brane embedding with a current of quarks and anti-quarks. We compute the conductivity and show that it agrees precisely with a computation using the Kubo formula. In the confining phase we propose a new kind of 8-brane embedding, correspond","authors_text":"Gilad Lifschytz, Matthew Lippert, Oren Bergman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-02-26T04:34:14Z","title":"Response of Holographic QCD to Electric and Magnetic Fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0802.3720","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":"sha256:270eea2981c01723c96a9cce2145379747d872291018e40706d52c8c93c392f1","target":"record","created_at":"2026-07-04T17:17:41Z","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":"773e488fda4d5c205f7d0766a294e1937b3f017b327f71a91c64b9a3d742c883","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-02-26T04:34:14Z","title_canon_sha256":"8e3b3ae2b226c53a8c0b48c1eee065f763e3b10711b19e3d44c6cd292db873d0"},"schema_version":"1.0","source":{"id":"0802.3720","kind":"arxiv","version":2}},"canonical_sha256":"0dab1b4d98ed1eaeda2be17828fe5f1e89de005fd19fff2eecb2ad5b5c370252","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0dab1b4d98ed1eaeda2be17828fe5f1e89de005fd19fff2eecb2ad5b5c370252","first_computed_at":"2026-07-04T17:17:41.023557Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:17:41.023557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3bkIYIjAEnXDvPpJ+mdJI473z4L8fmuRy3jpi6YbfU4mlx30Tj7P9fN+qFqsTULmXD3pZXUczcz2iI9N/EbHDA==","signature_status":"signed_v1","signed_at":"2026-07-04T17:17:41.023964Z","signed_message":"canonical_sha256_bytes"},"source_id":"0802.3720","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:270eea2981c01723c96a9cce2145379747d872291018e40706d52c8c93c392f1","sha256:139f181ad2bf47ec9520bcb08dd19c88ff2c469c70f135b932f85680507b803c"],"state_sha256":"5aca4fab2439920d01562e7ff908161819d9856ebd83ad0fdf4fd772fbc001b3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vj0gLpjIdfbWZOma3wA6x6P1XioMFypcA25bYIF/OhPE+V69bQHai4CkzDL4YBY06wb7Z8EijR3jxzsUY9PVBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T13:45:56.347552Z","bundle_sha256":"63887e2b49974410c98f82e0d7551182c792642ffe8e746aef8c96baf3b23dcd"}}