{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:5Y2YVFBHAS7H6KVAJIEFQ2VPUN","short_pith_number":"pith:5Y2YVFBH","canonical_record":{"source":{"id":"2405.16182","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-25T11:17:43Z","cross_cats_sorted":["cond-mat.stat-mech","hep-th","nlin.CD"],"title_canon_sha256":"c9f90c019d73f26e91539710d7b9ca832a8f4209abc19ad88c6933c897196743","abstract_canon_sha256":"5e4c36b24c34f9958f926d57768db5b62000d9407608a432986490c9187c7947"},"schema_version":"1.0"},"canonical_sha256":"ee358a942704be7f2aa04a08586aafa37cb2bfb6cc8c6e0d8482ad021495b9cd","source":{"kind":"arxiv","id":"2405.16182","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.16182","created_at":"2026-07-05T09:02:20Z"},{"alias_kind":"arxiv_version","alias_value":"2405.16182v2","created_at":"2026-07-05T09:02:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.16182","created_at":"2026-07-05T09:02:20Z"},{"alias_kind":"pith_short_12","alias_value":"5Y2YVFBHAS7H","created_at":"2026-07-05T09:02:20Z"},{"alias_kind":"pith_short_16","alias_value":"5Y2YVFBHAS7H6KVA","created_at":"2026-07-05T09:02:20Z"},{"alias_kind":"pith_short_8","alias_value":"5Y2YVFBH","created_at":"2026-07-05T09:02:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:5Y2YVFBHAS7H6KVAJIEFQ2VPUN","target":"record","payload":{"canonical_record":{"source":{"id":"2405.16182","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-25T11:17:43Z","cross_cats_sorted":["cond-mat.stat-mech","hep-th","nlin.CD"],"title_canon_sha256":"c9f90c019d73f26e91539710d7b9ca832a8f4209abc19ad88c6933c897196743","abstract_canon_sha256":"5e4c36b24c34f9958f926d57768db5b62000d9407608a432986490c9187c7947"},"schema_version":"1.0"},"canonical_sha256":"ee358a942704be7f2aa04a08586aafa37cb2bfb6cc8c6e0d8482ad021495b9cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:02:20.057474Z","signature_b64":"5PInJTHStGa3ViUQkt6r0B7rwKyk9a5n1X+sdGIUqN3FEqgIRSVoRGAzVnKLvov6av4Ra2K4r6O1ZqaiHdgZDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ee358a942704be7f2aa04a08586aafa37cb2bfb6cc8c6e0d8482ad021495b9cd","last_reissued_at":"2026-07-05T09:02:20.057008Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:02:20.057008Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.16182","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":"2026-07-05T09:02:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0j7f7LiwlDnR7aiBt8tV1R0DOWpxN3pypnpSm4YJkNzbK6fP40KY5OOGKPMKf9sJTSj+VMd4W/CcR0U0TAiwDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T20:14:41.920203Z"},"content_sha256":"726b6a5d06f87b8a6c2154387b8764753292275f8cc789d03562fae55dee0c15","schema_version":"1.0","event_id":"sha256:726b6a5d06f87b8a6c2154387b8764753292275f8cc789d03562fae55dee0c15"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:5Y2YVFBHAS7H6KVAJIEFQ2VPUN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spread complexity and quantum chaos for periodically driven spin chains","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.stat-mech","hep-th","nlin.CD"],"primary_cat":"quant-ph","authors_text":"Amin A. Nizami, Ankit W. Shrestha","submitted_at":"2024-05-25T11:17:43Z","abstract_excerpt":"The complexity of quantum states under dynamical evolution can be investigated by studying the spread with time of the state over a pre-defined basis. It is known that this complexity is minimised by choosing the Krylov basis, thus defining the spread complexity. We study the dynamics of spread complexity for quantum maps using the Arnoldi iterative procedure. The main illustrative quantum many-body model we use is the periodically kicked Ising spin-chain with non-integrable deformations, a chaotic system where we look at both local and non-local interactions. In the various cases we find dist"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.16182","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/2405.16182/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":"2026-07-05T09:02:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fbEpYH0PFyX6/zZXi4uQOCQteUIhtEZGx3udBzgOCXSrhHdZZQd/wdbEta/041vA+iDrmHOYOOwoa9WcEzWYDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T20:14:41.921072Z"},"content_sha256":"21a1d8ba824f1fe874e5ed17f7aa7ea6ed50ddda8a8a1c415ad64ca43291cd73","schema_version":"1.0","event_id":"sha256:21a1d8ba824f1fe874e5ed17f7aa7ea6ed50ddda8a8a1c415ad64ca43291cd73"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5Y2YVFBHAS7H6KVAJIEFQ2VPUN/bundle.json","state_url":"https://pith.science/pith/5Y2YVFBHAS7H6KVAJIEFQ2VPUN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5Y2YVFBHAS7H6KVAJIEFQ2VPUN/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":"2026-08-11T20:14:41Z","links":{"resolver":"https://pith.science/pith/5Y2YVFBHAS7H6KVAJIEFQ2VPUN","bundle":"https://pith.science/pith/5Y2YVFBHAS7H6KVAJIEFQ2VPUN/bundle.json","state":"https://pith.science/pith/5Y2YVFBHAS7H6KVAJIEFQ2VPUN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5Y2YVFBHAS7H6KVAJIEFQ2VPUN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:5Y2YVFBHAS7H6KVAJIEFQ2VPUN","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":"5e4c36b24c34f9958f926d57768db5b62000d9407608a432986490c9187c7947","cross_cats_sorted":["cond-mat.stat-mech","hep-th","nlin.CD"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-25T11:17:43Z","title_canon_sha256":"c9f90c019d73f26e91539710d7b9ca832a8f4209abc19ad88c6933c897196743"},"schema_version":"1.0","source":{"id":"2405.16182","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.16182","created_at":"2026-07-05T09:02:20Z"},{"alias_kind":"arxiv_version","alias_value":"2405.16182v2","created_at":"2026-07-05T09:02:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.16182","created_at":"2026-07-05T09:02:20Z"},{"alias_kind":"pith_short_12","alias_value":"5Y2YVFBHAS7H","created_at":"2026-07-05T09:02:20Z"},{"alias_kind":"pith_short_16","alias_value":"5Y2YVFBHAS7H6KVA","created_at":"2026-07-05T09:02:20Z"},{"alias_kind":"pith_short_8","alias_value":"5Y2YVFBH","created_at":"2026-07-05T09:02:20Z"}],"graph_snapshots":[{"event_id":"sha256:21a1d8ba824f1fe874e5ed17f7aa7ea6ed50ddda8a8a1c415ad64ca43291cd73","target":"graph","created_at":"2026-07-05T09:02:20Z","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/2405.16182/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The complexity of quantum states under dynamical evolution can be investigated by studying the spread with time of the state over a pre-defined basis. It is known that this complexity is minimised by choosing the Krylov basis, thus defining the spread complexity. We study the dynamics of spread complexity for quantum maps using the Arnoldi iterative procedure. The main illustrative quantum many-body model we use is the periodically kicked Ising spin-chain with non-integrable deformations, a chaotic system where we look at both local and non-local interactions. In the various cases we find dist","authors_text":"Amin A. Nizami, Ankit W. Shrestha","cross_cats":["cond-mat.stat-mech","hep-th","nlin.CD"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-25T11:17:43Z","title":"Spread complexity and quantum chaos for periodically driven spin chains"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.16182","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":"sha256:726b6a5d06f87b8a6c2154387b8764753292275f8cc789d03562fae55dee0c15","target":"record","created_at":"2026-07-05T09:02:20Z","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":"5e4c36b24c34f9958f926d57768db5b62000d9407608a432986490c9187c7947","cross_cats_sorted":["cond-mat.stat-mech","hep-th","nlin.CD"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-25T11:17:43Z","title_canon_sha256":"c9f90c019d73f26e91539710d7b9ca832a8f4209abc19ad88c6933c897196743"},"schema_version":"1.0","source":{"id":"2405.16182","kind":"arxiv","version":2}},"canonical_sha256":"ee358a942704be7f2aa04a08586aafa37cb2bfb6cc8c6e0d8482ad021495b9cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ee358a942704be7f2aa04a08586aafa37cb2bfb6cc8c6e0d8482ad021495b9cd","first_computed_at":"2026-07-05T09:02:20.057008Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:02:20.057008Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5PInJTHStGa3ViUQkt6r0B7rwKyk9a5n1X+sdGIUqN3FEqgIRSVoRGAzVnKLvov6av4Ra2K4r6O1ZqaiHdgZDw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:02:20.057474Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.16182","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:726b6a5d06f87b8a6c2154387b8764753292275f8cc789d03562fae55dee0c15","sha256:21a1d8ba824f1fe874e5ed17f7aa7ea6ed50ddda8a8a1c415ad64ca43291cd73"],"state_sha256":"363416a5e5832ec8d5e3d587616fe706a86f99cf38f0012ef19d9a3ec0103eef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xC6m56xh6YoLfMQs1coVNYJiLwfLTYPmexS13/ymPCb6XNhpDCWb06CLJNPd7MaJ85tL3H2JMYk4vhM6HcJnBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T20:14:41.926978Z","bundle_sha256":"c874a22a3ec2fcbff83f2f49449f76c7f5b6f589fecdaa471b8e401886a694ff"}}