{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:2NO5QGRVUNWHHFKLKWLBUM6FT5","short_pith_number":"pith:2NO5QGRV","canonical_record":{"source":{"id":"1808.04375","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-13T18:00:03Z","cross_cats_sorted":["cond-mat.stat-mech","hep-th"],"title_canon_sha256":"196a503f5e75f203674849054858da164b010ca9e22290ac9bcdaf0d1362fec8","abstract_canon_sha256":"5ec8d1f4727d71ed748571a1c871ca19e56a6100d32bd2abff244f72e5d018f6"},"schema_version":"1.0"},"canonical_sha256":"d35dd81a35a36c73954b55961a33c59f5215b45a86f03ac1cfec1d29ac378d53","source":{"kind":"arxiv","id":"1808.04375","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.04375","created_at":"2026-07-05T01:55:05Z"},{"alias_kind":"arxiv_version","alias_value":"1808.04375v3","created_at":"2026-07-05T01:55:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.04375","created_at":"2026-07-05T01:55:05Z"},{"alias_kind":"pith_short_12","alias_value":"2NO5QGRVUNWH","created_at":"2026-07-05T01:55:05Z"},{"alias_kind":"pith_short_16","alias_value":"2NO5QGRVUNWHHFKL","created_at":"2026-07-05T01:55:05Z"},{"alias_kind":"pith_short_8","alias_value":"2NO5QGRV","created_at":"2026-07-05T01:55:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:2NO5QGRVUNWHHFKLKWLBUM6FT5","target":"record","payload":{"canonical_record":{"source":{"id":"1808.04375","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-13T18:00:03Z","cross_cats_sorted":["cond-mat.stat-mech","hep-th"],"title_canon_sha256":"196a503f5e75f203674849054858da164b010ca9e22290ac9bcdaf0d1362fec8","abstract_canon_sha256":"5ec8d1f4727d71ed748571a1c871ca19e56a6100d32bd2abff244f72e5d018f6"},"schema_version":"1.0"},"canonical_sha256":"d35dd81a35a36c73954b55961a33c59f5215b45a86f03ac1cfec1d29ac378d53","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:55:05.068410Z","signature_b64":"bAivXetVWSQFoQMAhOhewVsE8hI6JBq4Bf+KZ3SbmjAowsmTup6K4yhd+o28Ug+UCKpPZqHUaq0koPm+njbXAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d35dd81a35a36c73954b55961a33c59f5215b45a86f03ac1cfec1d29ac378d53","last_reissued_at":"2026-07-05T01:55:05.068017Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:55:05.068017Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.04375","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":"2026-07-05T01:55:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xLJC/qmYAskARP3XDK2Y9WWk4xSj4VanENWCKsR4xNyc6pC3iUAYs7XBtBlJ1jA8xbBV1ySdstgcBUF9pH6jCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T19:13:40.247426Z"},"content_sha256":"7bb67c6eb2ebefa4a26df71fa3c734bc0e4aba5c8da4b52341577ef94b653ed8","schema_version":"1.0","event_id":"sha256:7bb67c6eb2ebefa4a26df71fa3c734bc0e4aba5c8da4b52341577ef94b653ed8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:2NO5QGRVUNWHHFKLKWLBUM6FT5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sensitivity of quantum information to environment perturbations measured with a non-local out-of-time-order correlation function","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","hep-th"],"primary_cat":"quant-ph","authors_text":"David G. Cory, Lea F. Santos, Mohamad Niknam","submitted_at":"2018-08-13T18:00:03Z","abstract_excerpt":"In a quantum system coupled with a non-Markovian environment, quantum information may flow out of or in to the system. Measuring quantum information flow and its sensitivity to perturbations is important for a better understanding of open quantum systems and for the implementation of quantum technologies. Information gets shared between a quantum system and its environment by means of system-environment correlations (SECs) that grow during their interaction. We design a nuclear magnetic resonance (NMR) experiment to directly observe the evolution of the SECs and use the second moment of their "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.04375","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1808.04375/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":"2026-07-05T01:55:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BSjVV4XHxUQ3NhMB8GuzjB/AhJWezTdVnaNUsM8nBvBrurhhAl4+XltKFTWS6kRKeJ6HuiUCL8w67mDPjy+jBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T19:13:40.247823Z"},"content_sha256":"71c633349303927c803456b33d31f99cc78736e3f77a25fb5c368aea3bec4054","schema_version":"1.0","event_id":"sha256:71c633349303927c803456b33d31f99cc78736e3f77a25fb5c368aea3bec4054"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2NO5QGRVUNWHHFKLKWLBUM6FT5/bundle.json","state_url":"https://pith.science/pith/2NO5QGRVUNWHHFKLKWLBUM6FT5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2NO5QGRVUNWHHFKLKWLBUM6FT5/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":"2026-08-21T19:13:40Z","links":{"resolver":"https://pith.science/pith/2NO5QGRVUNWHHFKLKWLBUM6FT5","bundle":"https://pith.science/pith/2NO5QGRVUNWHHFKLKWLBUM6FT5/bundle.json","state":"https://pith.science/pith/2NO5QGRVUNWHHFKLKWLBUM6FT5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2NO5QGRVUNWHHFKLKWLBUM6FT5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:2NO5QGRVUNWHHFKLKWLBUM6FT5","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":"5ec8d1f4727d71ed748571a1c871ca19e56a6100d32bd2abff244f72e5d018f6","cross_cats_sorted":["cond-mat.stat-mech","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-13T18:00:03Z","title_canon_sha256":"196a503f5e75f203674849054858da164b010ca9e22290ac9bcdaf0d1362fec8"},"schema_version":"1.0","source":{"id":"1808.04375","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.04375","created_at":"2026-07-05T01:55:05Z"},{"alias_kind":"arxiv_version","alias_value":"1808.04375v3","created_at":"2026-07-05T01:55:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.04375","created_at":"2026-07-05T01:55:05Z"},{"alias_kind":"pith_short_12","alias_value":"2NO5QGRVUNWH","created_at":"2026-07-05T01:55:05Z"},{"alias_kind":"pith_short_16","alias_value":"2NO5QGRVUNWHHFKL","created_at":"2026-07-05T01:55:05Z"},{"alias_kind":"pith_short_8","alias_value":"2NO5QGRV","created_at":"2026-07-05T01:55:05Z"}],"graph_snapshots":[{"event_id":"sha256:71c633349303927c803456b33d31f99cc78736e3f77a25fb5c368aea3bec4054","target":"graph","created_at":"2026-07-05T01:55:05Z","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/1808.04375/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In a quantum system coupled with a non-Markovian environment, quantum information may flow out of or in to the system. Measuring quantum information flow and its sensitivity to perturbations is important for a better understanding of open quantum systems and for the implementation of quantum technologies. Information gets shared between a quantum system and its environment by means of system-environment correlations (SECs) that grow during their interaction. We design a nuclear magnetic resonance (NMR) experiment to directly observe the evolution of the SECs and use the second moment of their ","authors_text":"David G. Cory, Lea F. Santos, Mohamad Niknam","cross_cats":["cond-mat.stat-mech","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-13T18:00:03Z","title":"Sensitivity of quantum information to environment perturbations measured with a non-local out-of-time-order correlation function"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.04375","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":"sha256:7bb67c6eb2ebefa4a26df71fa3c734bc0e4aba5c8da4b52341577ef94b653ed8","target":"record","created_at":"2026-07-05T01:55:05Z","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":"5ec8d1f4727d71ed748571a1c871ca19e56a6100d32bd2abff244f72e5d018f6","cross_cats_sorted":["cond-mat.stat-mech","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-13T18:00:03Z","title_canon_sha256":"196a503f5e75f203674849054858da164b010ca9e22290ac9bcdaf0d1362fec8"},"schema_version":"1.0","source":{"id":"1808.04375","kind":"arxiv","version":3}},"canonical_sha256":"d35dd81a35a36c73954b55961a33c59f5215b45a86f03ac1cfec1d29ac378d53","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d35dd81a35a36c73954b55961a33c59f5215b45a86f03ac1cfec1d29ac378d53","first_computed_at":"2026-07-05T01:55:05.068017Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:55:05.068017Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bAivXetVWSQFoQMAhOhewVsE8hI6JBq4Bf+KZ3SbmjAowsmTup6K4yhd+o28Ug+UCKpPZqHUaq0koPm+njbXAA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:55:05.068410Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.04375","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7bb67c6eb2ebefa4a26df71fa3c734bc0e4aba5c8da4b52341577ef94b653ed8","sha256:71c633349303927c803456b33d31f99cc78736e3f77a25fb5c368aea3bec4054"],"state_sha256":"f93b97b2cb41b95e43773dda2681065ae6674847251e18d323e4e2be51f7c507"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+BwcXA44KHbAH93VSRzHOsWEav+s2hu7EiLFvXmL+Z5b8JnVKxBoKEUIZLnkzPB58N+OdkdpZ6C9y6hSHfP5Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T19:13:40.251017Z","bundle_sha256":"29a35de50aacdb2ab323404618d852014951c14f93a692020e305e91b5607daa"}}