{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:K36Q42IWQSS74MD3W4DVD2ZIW5","short_pith_number":"pith:K36Q42IW","canonical_record":{"source":{"id":"1909.01864","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-09-04T15:13:20Z","cross_cats_sorted":[],"title_canon_sha256":"4b0c909cd0ba4e816f330d41a1f54910372debaa2f0e97626923a38cd1922dd9","abstract_canon_sha256":"739b172b63de0a5fb7592eb776f155c5651a0ae404a4a72b1d9283e723520b86"},"schema_version":"1.0"},"canonical_sha256":"56fd0e691684a5fe307bb70751eb28b76bd469229e8673bfa76e4f77eb157d24","source":{"kind":"arxiv","id":"1909.01864","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1909.01864","created_at":"2026-07-05T00:38:46Z"},{"alias_kind":"arxiv_version","alias_value":"1909.01864v2","created_at":"2026-07-05T00:38:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.01864","created_at":"2026-07-05T00:38:46Z"},{"alias_kind":"pith_short_12","alias_value":"K36Q42IWQSS7","created_at":"2026-07-05T00:38:46Z"},{"alias_kind":"pith_short_16","alias_value":"K36Q42IWQSS74MD3","created_at":"2026-07-05T00:38:46Z"},{"alias_kind":"pith_short_8","alias_value":"K36Q42IW","created_at":"2026-07-05T00:38:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:K36Q42IWQSS74MD3W4DVD2ZIW5","target":"record","payload":{"canonical_record":{"source":{"id":"1909.01864","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-09-04T15:13:20Z","cross_cats_sorted":[],"title_canon_sha256":"4b0c909cd0ba4e816f330d41a1f54910372debaa2f0e97626923a38cd1922dd9","abstract_canon_sha256":"739b172b63de0a5fb7592eb776f155c5651a0ae404a4a72b1d9283e723520b86"},"schema_version":"1.0"},"canonical_sha256":"56fd0e691684a5fe307bb70751eb28b76bd469229e8673bfa76e4f77eb157d24","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:38:46.176064Z","signature_b64":"PlDCCjxkHMr94d1D1AHsO8wNYyIEw5u617sNohtzOmviY1nR66WPAVGrrd26jk5iWMsxVb9t7YpQ5cALfRwuBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"56fd0e691684a5fe307bb70751eb28b76bd469229e8673bfa76e4f77eb157d24","last_reissued_at":"2026-07-05T00:38:46.175654Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:38:46.175654Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1909.01864","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":"2026-07-05T00:38:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SCANxihbvyV0eELQZNnL4pzO3hSC5H99tkF3zohaMJweiqqj23NbZ4+rowUmCVXQ1q03gbvaCIqDI862/pSTCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T13:11:13.030075Z"},"content_sha256":"f3e97ed2b229feb9ba49f2988f38c2c5ae305aebaef72aaaeed5c077378a434c","schema_version":"1.0","event_id":"sha256:f3e97ed2b229feb9ba49f2988f38c2c5ae305aebaef72aaaeed5c077378a434c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:K36Q42IWQSS74MD3W4DVD2ZIW5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Holographic fundamental matter in multilayered media","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Alfonso V. Ramallo, Daniele Musso, Marcus Torns\\\"o, Niko Jokela, Ulf Gran","submitted_at":"2019-09-04T15:13:20Z","abstract_excerpt":"We describe a strongly coupled layered system in 3+1 dimensions by means of a top-down D-brane construction. Adjoint matter is encoded in a large-$N_c$ stack of D3-branes, while fundamental matter is confined to $(2+1)$-dimensional defects introduced by a large-$N_f$ stack of smeared D5-branes. To the anisotropic Lifshitz-like background geometry, we add a single flavor D7-brane treated in the probe limit. Such bulk setup corresponds to a partially quenched approximation for the dual field theory. The holographic model sheds light on the anisotropic physics induced by the layered structure, al"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.01864","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/1909.01864/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":"2026-07-05T00:38:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"isHUvAh1VmBSaQss0WZFAgwI2/VQUkUmhkyEqAaTlzYk4oXB7PdNFT+EFllmMG1lxhdGAU6A233vhfzTxtjDBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T13:11:13.030430Z"},"content_sha256":"4ce37f0634718051b1073ef378e88605225601ca27a5f4e8be4b589ed875643a","schema_version":"1.0","event_id":"sha256:4ce37f0634718051b1073ef378e88605225601ca27a5f4e8be4b589ed875643a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K36Q42IWQSS74MD3W4DVD2ZIW5/bundle.json","state_url":"https://pith.science/pith/K36Q42IWQSS74MD3W4DVD2ZIW5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K36Q42IWQSS74MD3W4DVD2ZIW5/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":"2026-08-14T13:11:13Z","links":{"resolver":"https://pith.science/pith/K36Q42IWQSS74MD3W4DVD2ZIW5","bundle":"https://pith.science/pith/K36Q42IWQSS74MD3W4DVD2ZIW5/bundle.json","state":"https://pith.science/pith/K36Q42IWQSS74MD3W4DVD2ZIW5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K36Q42IWQSS74MD3W4DVD2ZIW5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:K36Q42IWQSS74MD3W4DVD2ZIW5","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":"739b172b63de0a5fb7592eb776f155c5651a0ae404a4a72b1d9283e723520b86","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-09-04T15:13:20Z","title_canon_sha256":"4b0c909cd0ba4e816f330d41a1f54910372debaa2f0e97626923a38cd1922dd9"},"schema_version":"1.0","source":{"id":"1909.01864","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1909.01864","created_at":"2026-07-05T00:38:46Z"},{"alias_kind":"arxiv_version","alias_value":"1909.01864v2","created_at":"2026-07-05T00:38:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.01864","created_at":"2026-07-05T00:38:46Z"},{"alias_kind":"pith_short_12","alias_value":"K36Q42IWQSS7","created_at":"2026-07-05T00:38:46Z"},{"alias_kind":"pith_short_16","alias_value":"K36Q42IWQSS74MD3","created_at":"2026-07-05T00:38:46Z"},{"alias_kind":"pith_short_8","alias_value":"K36Q42IW","created_at":"2026-07-05T00:38:46Z"}],"graph_snapshots":[{"event_id":"sha256:4ce37f0634718051b1073ef378e88605225601ca27a5f4e8be4b589ed875643a","target":"graph","created_at":"2026-07-05T00:38:46Z","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/1909.01864/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We describe a strongly coupled layered system in 3+1 dimensions by means of a top-down D-brane construction. Adjoint matter is encoded in a large-$N_c$ stack of D3-branes, while fundamental matter is confined to $(2+1)$-dimensional defects introduced by a large-$N_f$ stack of smeared D5-branes. To the anisotropic Lifshitz-like background geometry, we add a single flavor D7-brane treated in the probe limit. Such bulk setup corresponds to a partially quenched approximation for the dual field theory. The holographic model sheds light on the anisotropic physics induced by the layered structure, al","authors_text":"Alfonso V. Ramallo, Daniele Musso, Marcus Torns\\\"o, Niko Jokela, Ulf Gran","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-09-04T15:13:20Z","title":"Holographic fundamental matter in multilayered media"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.01864","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:f3e97ed2b229feb9ba49f2988f38c2c5ae305aebaef72aaaeed5c077378a434c","target":"record","created_at":"2026-07-05T00:38:46Z","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":"739b172b63de0a5fb7592eb776f155c5651a0ae404a4a72b1d9283e723520b86","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-09-04T15:13:20Z","title_canon_sha256":"4b0c909cd0ba4e816f330d41a1f54910372debaa2f0e97626923a38cd1922dd9"},"schema_version":"1.0","source":{"id":"1909.01864","kind":"arxiv","version":2}},"canonical_sha256":"56fd0e691684a5fe307bb70751eb28b76bd469229e8673bfa76e4f77eb157d24","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"56fd0e691684a5fe307bb70751eb28b76bd469229e8673bfa76e4f77eb157d24","first_computed_at":"2026-07-05T00:38:46.175654Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:38:46.175654Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PlDCCjxkHMr94d1D1AHsO8wNYyIEw5u617sNohtzOmviY1nR66WPAVGrrd26jk5iWMsxVb9t7YpQ5cALfRwuBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:38:46.176064Z","signed_message":"canonical_sha256_bytes"},"source_id":"1909.01864","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f3e97ed2b229feb9ba49f2988f38c2c5ae305aebaef72aaaeed5c077378a434c","sha256:4ce37f0634718051b1073ef378e88605225601ca27a5f4e8be4b589ed875643a"],"state_sha256":"b1d8bbf8295c0045ca8ffbc104d688901bff283e3fdbbe4b2de4b45489c4791b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MTZWSxjE/nRneGLa/XI6fkzUeeyEgZYACTmUnU09oN0Km42hocSwrk1IQ69etnK3CpNt2+qJNK1GTU7detMkDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T13:11:13.033062Z","bundle_sha256":"1d0ffb41a7e6a9b091943b57c208e1b86321b53a86f92d5c19a0e416519f3972"}}