{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:6N6Z2GKCDCOZQ5UQ75TNMHNVJU","short_pith_number":"pith:6N6Z2GKC","canonical_record":{"source":{"id":"0807.2897","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-07-18T05:54:32Z","cross_cats_sorted":[],"title_canon_sha256":"e335917a84e2eda20a773ab02fc4da7e8b9d84ecc653e8e415894b735575cf50","abstract_canon_sha256":"b63217395ccb7d82e4861461f7059a5540564e8ca61487a7995e7eb0a5e0af7b"},"schema_version":"1.0"},"canonical_sha256":"f37d9d1942189d987690ff66d61db54d2720208a52e27f46f7497adc09b35fff","source":{"kind":"arxiv","id":"0807.2897","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0807.2897","created_at":"2026-05-18T04:16:23Z"},{"alias_kind":"arxiv_version","alias_value":"0807.2897v3","created_at":"2026-05-18T04:16:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0807.2897","created_at":"2026-05-18T04:16:23Z"},{"alias_kind":"pith_short_12","alias_value":"6N6Z2GKCDCOZ","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"6N6Z2GKCDCOZQ5UQ","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"6N6Z2GKC","created_at":"2026-05-18T12:25:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:6N6Z2GKCDCOZQ5UQ75TNMHNVJU","target":"record","payload":{"canonical_record":{"source":{"id":"0807.2897","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-07-18T05:54:32Z","cross_cats_sorted":[],"title_canon_sha256":"e335917a84e2eda20a773ab02fc4da7e8b9d84ecc653e8e415894b735575cf50","abstract_canon_sha256":"b63217395ccb7d82e4861461f7059a5540564e8ca61487a7995e7eb0a5e0af7b"},"schema_version":"1.0"},"canonical_sha256":"f37d9d1942189d987690ff66d61db54d2720208a52e27f46f7497adc09b35fff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:16:23.277361Z","signature_b64":"z5uTYGk0kfe6dhcms8eqN5iLW9bkLicfgjeowoBRCiDE9J1TY0B3KT/cHtNJV1Mvl1gqJBuyKv6r8Ph1RlcoCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f37d9d1942189d987690ff66d61db54d2720208a52e27f46f7497adc09b35fff","last_reissued_at":"2026-05-18T04:16:23.276884Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:16:23.276884Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0807.2897","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:16:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a5Le4uG9AilJCtqLyHoDIU2n9JYautdPEh8xraMsXRLqk9MEtEWHnAH8YuDV6pNuAg78SaBL/gX+nOE4ZMl7DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:31:53.158690Z"},"content_sha256":"3c1162147ce1eb8a33bbdce68be15b048bd0f041d3732f3afb749ad9c81609e8","schema_version":"1.0","event_id":"sha256:3c1162147ce1eb8a33bbdce68be15b048bd0f041d3732f3afb749ad9c81609e8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:6N6Z2GKCDCOZQ5UQ75TNMHNVJU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A New Holographic Model of Chiral Symmetry Breaking","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Jacob Sonnenschein, Stanislav Kuperstein","submitted_at":"2008-07-18T05:54:32Z","abstract_excerpt":"A new family of models of flavour chiral symmetry breaking is proposed. The models are based on the embedding of a stack of D7-branes and a stack of anti D7-branes in the conifold background. This family of gravity models is dual to a field theory with spontaneous breaking of conformal invariance and chiral flavour symmetry. We identify the corresponding Goldstone bosons and compute the spectra of massive scalar and vector mesons. The dual quiver gauge theory is also discussed. We further analyse a model where chiral symmetry is not broken."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0807.2897","kind":"arxiv","version":3},"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":"2026-05-18T04:16:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XOdkQlAaA69AzSIywRjYFu7qN4M+j8l5/dtmPWk29V4pC+mzDuF2zxpAukuTf9sESMxJh1nMqtnYXKwf+FPhDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:31:53.159029Z"},"content_sha256":"c2f5db10a2a38329e7aeb7e94b40a35fd4f1721066448d6988d289d250aebf55","schema_version":"1.0","event_id":"sha256:c2f5db10a2a38329e7aeb7e94b40a35fd4f1721066448d6988d289d250aebf55"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6N6Z2GKCDCOZQ5UQ75TNMHNVJU/bundle.json","state_url":"https://pith.science/pith/6N6Z2GKCDCOZQ5UQ75TNMHNVJU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6N6Z2GKCDCOZQ5UQ75TNMHNVJU/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":"2026-06-02T06:31:53Z","links":{"resolver":"https://pith.science/pith/6N6Z2GKCDCOZQ5UQ75TNMHNVJU","bundle":"https://pith.science/pith/6N6Z2GKCDCOZQ5UQ75TNMHNVJU/bundle.json","state":"https://pith.science/pith/6N6Z2GKCDCOZQ5UQ75TNMHNVJU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6N6Z2GKCDCOZQ5UQ75TNMHNVJU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:6N6Z2GKCDCOZQ5UQ75TNMHNVJU","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":"b63217395ccb7d82e4861461f7059a5540564e8ca61487a7995e7eb0a5e0af7b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-07-18T05:54:32Z","title_canon_sha256":"e335917a84e2eda20a773ab02fc4da7e8b9d84ecc653e8e415894b735575cf50"},"schema_version":"1.0","source":{"id":"0807.2897","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0807.2897","created_at":"2026-05-18T04:16:23Z"},{"alias_kind":"arxiv_version","alias_value":"0807.2897v3","created_at":"2026-05-18T04:16:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0807.2897","created_at":"2026-05-18T04:16:23Z"},{"alias_kind":"pith_short_12","alias_value":"6N6Z2GKCDCOZ","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"6N6Z2GKCDCOZQ5UQ","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"6N6Z2GKC","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:c2f5db10a2a38329e7aeb7e94b40a35fd4f1721066448d6988d289d250aebf55","target":"graph","created_at":"2026-05-18T04:16:23Z","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":"A new family of models of flavour chiral symmetry breaking is proposed. The models are based on the embedding of a stack of D7-branes and a stack of anti D7-branes in the conifold background. This family of gravity models is dual to a field theory with spontaneous breaking of conformal invariance and chiral flavour symmetry. We identify the corresponding Goldstone bosons and compute the spectra of massive scalar and vector mesons. The dual quiver gauge theory is also discussed. We further analyse a model where chiral symmetry is not broken.","authors_text":"Jacob Sonnenschein, Stanislav Kuperstein","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-07-18T05:54:32Z","title":"A New Holographic Model of Chiral Symmetry Breaking"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0807.2897","kind":"arxiv","version":3},"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":"sha256:3c1162147ce1eb8a33bbdce68be15b048bd0f041d3732f3afb749ad9c81609e8","target":"record","created_at":"2026-05-18T04:16:23Z","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":"b63217395ccb7d82e4861461f7059a5540564e8ca61487a7995e7eb0a5e0af7b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-07-18T05:54:32Z","title_canon_sha256":"e335917a84e2eda20a773ab02fc4da7e8b9d84ecc653e8e415894b735575cf50"},"schema_version":"1.0","source":{"id":"0807.2897","kind":"arxiv","version":3}},"canonical_sha256":"f37d9d1942189d987690ff66d61db54d2720208a52e27f46f7497adc09b35fff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f37d9d1942189d987690ff66d61db54d2720208a52e27f46f7497adc09b35fff","first_computed_at":"2026-05-18T04:16:23.276884Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:16:23.276884Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z5uTYGk0kfe6dhcms8eqN5iLW9bkLicfgjeowoBRCiDE9J1TY0B3KT/cHtNJV1Mvl1gqJBuyKv6r8Ph1RlcoCA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:16:23.277361Z","signed_message":"canonical_sha256_bytes"},"source_id":"0807.2897","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3c1162147ce1eb8a33bbdce68be15b048bd0f041d3732f3afb749ad9c81609e8","sha256:c2f5db10a2a38329e7aeb7e94b40a35fd4f1721066448d6988d289d250aebf55"],"state_sha256":"c8e914f5664b35b513b2de2a788404023825d5fbbc39a5086ff9181aa89294ae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KiBe4euDMwxHocuujq6Er+zyD0fh9bROdYjnqNtTSqfIOAH7xdASABkCb4VRtH+TWM6ZH7tXPmeO2RP+UyYPCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T06:31:53.160929Z","bundle_sha256":"1845e6651614b43efc732f7ed89def24c04afef30406385498678d185fe59f41"}}