{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1996:IAMSFM53HTM6K7XMBWBJEDGEOF","short_pith_number":"pith:IAMSFM53","canonical_record":{"source":{"id":"hep-lat/9606004","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-lat","submitted_at":"1996-06-13T17:48:53Z","cross_cats_sorted":[],"title_canon_sha256":"d0a2390c642c1e8438f7f2de218d9d0d65ef13f8c0db892be94047798e6e779c","abstract_canon_sha256":"b78b893cc4924a0e13fe8c86940db128802b5584d3d7984245ee91b44370f58b"},"schema_version":"1.0"},"canonical_sha256":"401922b3bb3cd9e57eec0d82920cc4714d870488a75b0024f418dd455eee3c6e","source":{"kind":"arxiv","id":"hep-lat/9606004","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-lat/9606004","created_at":"2026-07-04T16:01:22Z"},{"alias_kind":"arxiv_version","alias_value":"hep-lat/9606004v1","created_at":"2026-07-04T16:01:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-lat/9606004","created_at":"2026-07-04T16:01:22Z"},{"alias_kind":"pith_short_12","alias_value":"IAMSFM53HTM6","created_at":"2026-07-04T16:01:22Z"},{"alias_kind":"pith_short_16","alias_value":"IAMSFM53HTM6K7XM","created_at":"2026-07-04T16:01:22Z"},{"alias_kind":"pith_short_8","alias_value":"IAMSFM53","created_at":"2026-07-04T16:01:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1996:IAMSFM53HTM6K7XMBWBJEDGEOF","target":"record","payload":{"canonical_record":{"source":{"id":"hep-lat/9606004","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-lat","submitted_at":"1996-06-13T17:48:53Z","cross_cats_sorted":[],"title_canon_sha256":"d0a2390c642c1e8438f7f2de218d9d0d65ef13f8c0db892be94047798e6e779c","abstract_canon_sha256":"b78b893cc4924a0e13fe8c86940db128802b5584d3d7984245ee91b44370f58b"},"schema_version":"1.0"},"canonical_sha256":"401922b3bb3cd9e57eec0d82920cc4714d870488a75b0024f418dd455eee3c6e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:01:22.082810Z","signature_b64":"iYuudrlYq0oNc9uyg9Ku12XU70r3tBtMhGZXHpN9hr6q8PSmcE0Qc0MvoPWscw5xrUQkgYSX5DZrMB0MKHVtCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"401922b3bb3cd9e57eec0d82920cc4714d870488a75b0024f418dd455eee3c6e","last_reissued_at":"2026-07-04T16:01:22.082439Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:01:22.082439Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-lat/9606004","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":"2026-07-04T16:01:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m6a7EUJ4wl7wCN7YcXRDq7huAZcBuO4KXOkLANMNKQ0Txflxv4Lum0v1Gm4nJod1t/y/iPgAx8P0GC+nNMPKAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T16:14:11.494830Z"},"content_sha256":"b2d275f740267cadabf0afff39a1f76c3e3b635115a595d5eeb950cabc274ef7","schema_version":"1.0","event_id":"sha256:b2d275f740267cadabf0afff39a1f76c3e3b635115a595d5eeb950cabc274ef7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1996:IAMSFM53HTM6K7XMBWBJEDGEOF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Instabilities and Non-Reversibility of Molecular Dynamics Trajectories","license":"","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"A.D. Kennedy, Ivan Horv\\'ath, R.G. Edwards","submitted_at":"1996-06-13T17:48:53Z","abstract_excerpt":"The theoretical justification of the Hybrid Monte Carlo algorithm depends upon the molecular dynamics trajectories within it being exactly reversible. If computations were carried out with exact arithmetic then it would be easy to ensure such reversibility, but the use of approximate floating point arithmetic inevitably introduces violations of reversibility. In the absence of evidence to the contrary, we are usually prepared to accept that such rounding errors can be made small enough to be innocuous, but in certain circumstances they are exponentially amplified and lead to blatantly erroneou"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-lat/9606004","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-lat/9606004/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":"2026-07-04T16:01:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3iJ0wTVQ6haociZpmIYnW7mZZViSQ1zYO2Q8NW8zKEaDiHptxVoDqezvSB+RPymlND6mQIb63whFLIovhRKADA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T16:14:11.495213Z"},"content_sha256":"bd92aa442b1121f27533b2e1e8a7df33e00fae9a2af72c33de6b82398485b123","schema_version":"1.0","event_id":"sha256:bd92aa442b1121f27533b2e1e8a7df33e00fae9a2af72c33de6b82398485b123"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IAMSFM53HTM6K7XMBWBJEDGEOF/bundle.json","state_url":"https://pith.science/pith/IAMSFM53HTM6K7XMBWBJEDGEOF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IAMSFM53HTM6K7XMBWBJEDGEOF/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":"2026-07-06T16:14:11Z","links":{"resolver":"https://pith.science/pith/IAMSFM53HTM6K7XMBWBJEDGEOF","bundle":"https://pith.science/pith/IAMSFM53HTM6K7XMBWBJEDGEOF/bundle.json","state":"https://pith.science/pith/IAMSFM53HTM6K7XMBWBJEDGEOF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IAMSFM53HTM6K7XMBWBJEDGEOF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1996:IAMSFM53HTM6K7XMBWBJEDGEOF","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":"b78b893cc4924a0e13fe8c86940db128802b5584d3d7984245ee91b44370f58b","cross_cats_sorted":[],"license":"","primary_cat":"hep-lat","submitted_at":"1996-06-13T17:48:53Z","title_canon_sha256":"d0a2390c642c1e8438f7f2de218d9d0d65ef13f8c0db892be94047798e6e779c"},"schema_version":"1.0","source":{"id":"hep-lat/9606004","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-lat/9606004","created_at":"2026-07-04T16:01:22Z"},{"alias_kind":"arxiv_version","alias_value":"hep-lat/9606004v1","created_at":"2026-07-04T16:01:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-lat/9606004","created_at":"2026-07-04T16:01:22Z"},{"alias_kind":"pith_short_12","alias_value":"IAMSFM53HTM6","created_at":"2026-07-04T16:01:22Z"},{"alias_kind":"pith_short_16","alias_value":"IAMSFM53HTM6K7XM","created_at":"2026-07-04T16:01:22Z"},{"alias_kind":"pith_short_8","alias_value":"IAMSFM53","created_at":"2026-07-04T16:01:22Z"}],"graph_snapshots":[{"event_id":"sha256:bd92aa442b1121f27533b2e1e8a7df33e00fae9a2af72c33de6b82398485b123","target":"graph","created_at":"2026-07-04T16:01:22Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/hep-lat/9606004/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The theoretical justification of the Hybrid Monte Carlo algorithm depends upon the molecular dynamics trajectories within it being exactly reversible. If computations were carried out with exact arithmetic then it would be easy to ensure such reversibility, but the use of approximate floating point arithmetic inevitably introduces violations of reversibility. In the absence of evidence to the contrary, we are usually prepared to accept that such rounding errors can be made small enough to be innocuous, but in certain circumstances they are exponentially amplified and lead to blatantly erroneou","authors_text":"A.D. Kennedy, Ivan Horv\\'ath, R.G. Edwards","cross_cats":[],"headline":"","license":"","primary_cat":"hep-lat","submitted_at":"1996-06-13T17:48:53Z","title":"Instabilities and Non-Reversibility of Molecular Dynamics Trajectories"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-lat/9606004","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:b2d275f740267cadabf0afff39a1f76c3e3b635115a595d5eeb950cabc274ef7","target":"record","created_at":"2026-07-04T16:01:22Z","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":"b78b893cc4924a0e13fe8c86940db128802b5584d3d7984245ee91b44370f58b","cross_cats_sorted":[],"license":"","primary_cat":"hep-lat","submitted_at":"1996-06-13T17:48:53Z","title_canon_sha256":"d0a2390c642c1e8438f7f2de218d9d0d65ef13f8c0db892be94047798e6e779c"},"schema_version":"1.0","source":{"id":"hep-lat/9606004","kind":"arxiv","version":1}},"canonical_sha256":"401922b3bb3cd9e57eec0d82920cc4714d870488a75b0024f418dd455eee3c6e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"401922b3bb3cd9e57eec0d82920cc4714d870488a75b0024f418dd455eee3c6e","first_computed_at":"2026-07-04T16:01:22.082439Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:01:22.082439Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iYuudrlYq0oNc9uyg9Ku12XU70r3tBtMhGZXHpN9hr6q8PSmcE0Qc0MvoPWscw5xrUQkgYSX5DZrMB0MKHVtCg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:01:22.082810Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-lat/9606004","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b2d275f740267cadabf0afff39a1f76c3e3b635115a595d5eeb950cabc274ef7","sha256:bd92aa442b1121f27533b2e1e8a7df33e00fae9a2af72c33de6b82398485b123"],"state_sha256":"32e3e91b40b2c881788f570ed4c3d34bd9954449eee914b35719f2f39d5c675e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K64o35LS6IDOgOdn/9LRJbsyws5E67VqFrsk1LSdanl9nQ0pvS4tU4KByAjsHRbFBIVTY6FANg7VEcSKUjuHBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T16:14:11.497201Z","bundle_sha256":"739932d003339244a85c2e01465431fe1d5af96559cb0559ff3b3785eb2cfc66"}}