{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:U3D2RDDC6G5WMOCOKT6UU5CEHP","short_pith_number":"pith:U3D2RDDC","canonical_record":{"source":{"id":"1901.04561","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-01-14T20:59:42Z","cross_cats_sorted":["cond-mat.stat-mech","quant-ph"],"title_canon_sha256":"d9cb94e3fadfa2250a6aa78b2907ebaba6fc27c34f59a531455008c30b6a5a21","abstract_canon_sha256":"4d98b7b94ec1af7f3642439e93abfa473bd466d1e8711367af3608947adfa808"},"schema_version":"1.0"},"canonical_sha256":"a6c7a88c62f1bb66384e54fd4a74443bd7f686beeeaff31e26e37bff449c2434","source":{"kind":"arxiv","id":"1901.04561","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.04561","created_at":"2026-05-17T23:56:22Z"},{"alias_kind":"arxiv_version","alias_value":"1901.04561v1","created_at":"2026-05-17T23:56:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.04561","created_at":"2026-05-17T23:56:22Z"},{"alias_kind":"pith_short_12","alias_value":"U3D2RDDC6G5W","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"U3D2RDDC6G5WMOCO","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"U3D2RDDC","created_at":"2026-05-18T12:33:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:U3D2RDDC6G5WMOCOKT6UU5CEHP","target":"record","payload":{"canonical_record":{"source":{"id":"1901.04561","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-01-14T20:59:42Z","cross_cats_sorted":["cond-mat.stat-mech","quant-ph"],"title_canon_sha256":"d9cb94e3fadfa2250a6aa78b2907ebaba6fc27c34f59a531455008c30b6a5a21","abstract_canon_sha256":"4d98b7b94ec1af7f3642439e93abfa473bd466d1e8711367af3608947adfa808"},"schema_version":"1.0"},"canonical_sha256":"a6c7a88c62f1bb66384e54fd4a74443bd7f686beeeaff31e26e37bff449c2434","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:22.408700Z","signature_b64":"YP/yp7xzaM3iz4AKawNdHzZSHEH7Q7JfTPyAjoYBhXxqXuNb4bQW+zAdZBeIxluIhBwd3SJkndaVa4ke0XRGBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a6c7a88c62f1bb66384e54fd4a74443bd7f686beeeaff31e26e37bff449c2434","last_reissued_at":"2026-05-17T23:56:22.408245Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:22.408245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.04561","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":"2026-05-17T23:56:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UNbjiTZcFpmvOHrFRPLPQoAlfeI8r/jACjiOtWODPzBDnNbVMTTMnrSkVzdY68zKYurtGZ2hdZwNs0AjNhPjDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:56:04.559243Z"},"content_sha256":"3338ec794783d3d4221e6ad3b2a459b44d46546112f386e38a38e9af6b1f81f8","schema_version":"1.0","event_id":"sha256:3338ec794783d3d4221e6ad3b2a459b44d46546112f386e38a38e9af6b1f81f8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:U3D2RDDC6G5WMOCOKT6UU5CEHP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chaos and Scrambling in Quantum Small Worlds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","quant-ph"],"primary_cat":"hep-th","authors_text":"Jean-Gabriel Hartmann, Jeff Murugan, Jonathan P. Shock","submitted_at":"2019-01-14T20:59:42Z","abstract_excerpt":"Quantum small-worlds are quantum many-body systems that interpolate between completely ordered (nearest-neighbour, next-to-nearest-neighbour etc.) and completely random interactions. As such, they furnish a novel new laboratory to study quantum systems transitioning between regular and chaotic behaviour. In this article, we introduce the idea of a quantum small-world network by starting from a well understood integrable system, a spin-1 Heisenberg chain. We then inject a small number of long-range interactions into the spin chain and study its ability to scramble quantum information using two "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.04561","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":"2026-05-17T23:56:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nEZkGMMun6B+oR2RCqjneRDzWmdGA1ZXxNhTqQr9huQOIYBkjlYTMfLx76/l1QIjGfAwpdR0BgZ+agMEZnyNCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:56:04.559610Z"},"content_sha256":"5b5a168a45000ed82c25e582e1e4e095896a07c0e068e73810e2270f09c3e4a1","schema_version":"1.0","event_id":"sha256:5b5a168a45000ed82c25e582e1e4e095896a07c0e068e73810e2270f09c3e4a1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U3D2RDDC6G5WMOCOKT6UU5CEHP/bundle.json","state_url":"https://pith.science/pith/U3D2RDDC6G5WMOCOKT6UU5CEHP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U3D2RDDC6G5WMOCOKT6UU5CEHP/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":"2026-06-01T17:56:04Z","links":{"resolver":"https://pith.science/pith/U3D2RDDC6G5WMOCOKT6UU5CEHP","bundle":"https://pith.science/pith/U3D2RDDC6G5WMOCOKT6UU5CEHP/bundle.json","state":"https://pith.science/pith/U3D2RDDC6G5WMOCOKT6UU5CEHP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U3D2RDDC6G5WMOCOKT6UU5CEHP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:U3D2RDDC6G5WMOCOKT6UU5CEHP","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":"4d98b7b94ec1af7f3642439e93abfa473bd466d1e8711367af3608947adfa808","cross_cats_sorted":["cond-mat.stat-mech","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-01-14T20:59:42Z","title_canon_sha256":"d9cb94e3fadfa2250a6aa78b2907ebaba6fc27c34f59a531455008c30b6a5a21"},"schema_version":"1.0","source":{"id":"1901.04561","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.04561","created_at":"2026-05-17T23:56:22Z"},{"alias_kind":"arxiv_version","alias_value":"1901.04561v1","created_at":"2026-05-17T23:56:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.04561","created_at":"2026-05-17T23:56:22Z"},{"alias_kind":"pith_short_12","alias_value":"U3D2RDDC6G5W","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"U3D2RDDC6G5WMOCO","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"U3D2RDDC","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:5b5a168a45000ed82c25e582e1e4e095896a07c0e068e73810e2270f09c3e4a1","target":"graph","created_at":"2026-05-17T23:56:22Z","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":"Quantum small-worlds are quantum many-body systems that interpolate between completely ordered (nearest-neighbour, next-to-nearest-neighbour etc.) and completely random interactions. As such, they furnish a novel new laboratory to study quantum systems transitioning between regular and chaotic behaviour. In this article, we introduce the idea of a quantum small-world network by starting from a well understood integrable system, a spin-1 Heisenberg chain. We then inject a small number of long-range interactions into the spin chain and study its ability to scramble quantum information using two ","authors_text":"Jean-Gabriel Hartmann, Jeff Murugan, Jonathan P. Shock","cross_cats":["cond-mat.stat-mech","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-01-14T20:59:42Z","title":"Chaos and Scrambling in Quantum Small Worlds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.04561","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":"sha256:3338ec794783d3d4221e6ad3b2a459b44d46546112f386e38a38e9af6b1f81f8","target":"record","created_at":"2026-05-17T23:56:22Z","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":"4d98b7b94ec1af7f3642439e93abfa473bd466d1e8711367af3608947adfa808","cross_cats_sorted":["cond-mat.stat-mech","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-01-14T20:59:42Z","title_canon_sha256":"d9cb94e3fadfa2250a6aa78b2907ebaba6fc27c34f59a531455008c30b6a5a21"},"schema_version":"1.0","source":{"id":"1901.04561","kind":"arxiv","version":1}},"canonical_sha256":"a6c7a88c62f1bb66384e54fd4a74443bd7f686beeeaff31e26e37bff449c2434","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a6c7a88c62f1bb66384e54fd4a74443bd7f686beeeaff31e26e37bff449c2434","first_computed_at":"2026-05-17T23:56:22.408245Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:22.408245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YP/yp7xzaM3iz4AKawNdHzZSHEH7Q7JfTPyAjoYBhXxqXuNb4bQW+zAdZBeIxluIhBwd3SJkndaVa4ke0XRGBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:22.408700Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.04561","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3338ec794783d3d4221e6ad3b2a459b44d46546112f386e38a38e9af6b1f81f8","sha256:5b5a168a45000ed82c25e582e1e4e095896a07c0e068e73810e2270f09c3e4a1"],"state_sha256":"f8f9e6f7a27a7eee3b2e5469ca3728d6b174dfaeb3a4221c57b647f7bf643f1c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pEs1TM5j+0+875tlkY5bKN5SNfabN/9tXb/THVDmE595H2JpL1comG855EA0qe+Btd1rynhnq3FU7/FjANwZDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T17:56:04.561532Z","bundle_sha256":"bfd9b89831ec0e7553d4e30c748020ed60f1d14f51e13e7d9aa0e56ff2d02e2a"}}