{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:3PQDDMCYG2GDJN6U47VW5EGW36","short_pith_number":"pith:3PQDDMCY","canonical_record":{"source":{"id":"1503.01010","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-03-03T16:55:03Z","cross_cats_sorted":[],"title_canon_sha256":"b391ae906e7b6e8ff54e6b6a17373c5f1ca9089ed2f8477de24da7716e05b345","abstract_canon_sha256":"5bd577ca95bab4750cacb9c7b0e8ba5463f611b6ae68810dde42fce9649dd22a"},"schema_version":"1.0"},"canonical_sha256":"dbe031b058368c34b7d4e7eb6e90d6df9f8802dbe870078a30f079d6a2e79064","source":{"kind":"arxiv","id":"1503.01010","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.01010","created_at":"2026-05-18T01:33:24Z"},{"alias_kind":"arxiv_version","alias_value":"1503.01010v3","created_at":"2026-05-18T01:33:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.01010","created_at":"2026-05-18T01:33:24Z"},{"alias_kind":"pith_short_12","alias_value":"3PQDDMCYG2GD","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_16","alias_value":"3PQDDMCYG2GDJN6U","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_8","alias_value":"3PQDDMCY","created_at":"2026-05-18T12:29:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:3PQDDMCYG2GDJN6U47VW5EGW36","target":"record","payload":{"canonical_record":{"source":{"id":"1503.01010","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-03-03T16:55:03Z","cross_cats_sorted":[],"title_canon_sha256":"b391ae906e7b6e8ff54e6b6a17373c5f1ca9089ed2f8477de24da7716e05b345","abstract_canon_sha256":"5bd577ca95bab4750cacb9c7b0e8ba5463f611b6ae68810dde42fce9649dd22a"},"schema_version":"1.0"},"canonical_sha256":"dbe031b058368c34b7d4e7eb6e90d6df9f8802dbe870078a30f079d6a2e79064","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:24.151278Z","signature_b64":"F5SIICGw1DpcPndvWnGvZ9c7ZUWb2+muhtu3e4rnxhyyQvPxwMszbHn2JuZITZYlV+1kc9s/n9cbTUsWdYD6DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dbe031b058368c34b7d4e7eb6e90d6df9f8802dbe870078a30f079d6a2e79064","last_reissued_at":"2026-05-18T01:33:24.150622Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:24.150622Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.01010","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":"2026-05-18T01:33:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/4Ase/a0/uflh3bzqRZnbnazEIdmKjVJVJwcn3m3kK/zZJUN0zjYtasObgmFCUT26YXXkPfynv4TlMGkswlyBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T07:16:46.021289Z"},"content_sha256":"a0dc8ebb1a89c9a10ac3c86e11638ac666d6a319e178e42217d2fa38d5929356","schema_version":"1.0","event_id":"sha256:a0dc8ebb1a89c9a10ac3c86e11638ac666d6a319e178e42217d2fa38d5929356"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:3PQDDMCYG2GDJN6U47VW5EGW36","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum simulations of dissipative dynamics: time-dependence instead of size","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Benjamin Dive, Daniel Burgarth, Florian Mintert","submitted_at":"2015-03-03T16:55:03Z","abstract_excerpt":"The simulation of quantum systems has been a key aim of quantum technologies for decades, and the generalisation to open systems is necessary to include physically realistic systems. We introduce an approach for quantum simulations of open system dynamics in terms of an environment of minimal size and a time-dependent Hamiltonian. This enables the implementation of a continuous-time simulation with a finite environment, whereas state of the art methods require an infinite environment or only match the simulation at discrete times. We find necessary and sufficient conditions for this Hamiltonia"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.01010","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":""},"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":"2026-05-18T01:33:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X5Ef6PdLmkjgAV80RycRrfP+2GnoWX+wjUiZlZC9eWuWIYm+7roZsyfA1FTwrkoqgmm0ihbjlQ3K/tjYmKmMDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T07:16:46.021950Z"},"content_sha256":"dc5542a944737f0be298123ac434e993fca79f66f23fd79793685c04de00680a","schema_version":"1.0","event_id":"sha256:dc5542a944737f0be298123ac434e993fca79f66f23fd79793685c04de00680a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3PQDDMCYG2GDJN6U47VW5EGW36/bundle.json","state_url":"https://pith.science/pith/3PQDDMCYG2GDJN6U47VW5EGW36/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3PQDDMCYG2GDJN6U47VW5EGW36/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":"2026-06-07T07:16:46Z","links":{"resolver":"https://pith.science/pith/3PQDDMCYG2GDJN6U47VW5EGW36","bundle":"https://pith.science/pith/3PQDDMCYG2GDJN6U47VW5EGW36/bundle.json","state":"https://pith.science/pith/3PQDDMCYG2GDJN6U47VW5EGW36/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3PQDDMCYG2GDJN6U47VW5EGW36/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:3PQDDMCYG2GDJN6U47VW5EGW36","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":"5bd577ca95bab4750cacb9c7b0e8ba5463f611b6ae68810dde42fce9649dd22a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-03-03T16:55:03Z","title_canon_sha256":"b391ae906e7b6e8ff54e6b6a17373c5f1ca9089ed2f8477de24da7716e05b345"},"schema_version":"1.0","source":{"id":"1503.01010","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.01010","created_at":"2026-05-18T01:33:24Z"},{"alias_kind":"arxiv_version","alias_value":"1503.01010v3","created_at":"2026-05-18T01:33:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.01010","created_at":"2026-05-18T01:33:24Z"},{"alias_kind":"pith_short_12","alias_value":"3PQDDMCYG2GD","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_16","alias_value":"3PQDDMCYG2GDJN6U","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_8","alias_value":"3PQDDMCY","created_at":"2026-05-18T12:29:02Z"}],"graph_snapshots":[{"event_id":"sha256:dc5542a944737f0be298123ac434e993fca79f66f23fd79793685c04de00680a","target":"graph","created_at":"2026-05-18T01:33:24Z","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":"The simulation of quantum systems has been a key aim of quantum technologies for decades, and the generalisation to open systems is necessary to include physically realistic systems. We introduce an approach for quantum simulations of open system dynamics in terms of an environment of minimal size and a time-dependent Hamiltonian. This enables the implementation of a continuous-time simulation with a finite environment, whereas state of the art methods require an infinite environment or only match the simulation at discrete times. We find necessary and sufficient conditions for this Hamiltonia","authors_text":"Benjamin Dive, Daniel Burgarth, Florian Mintert","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-03-03T16:55:03Z","title":"Quantum simulations of dissipative dynamics: time-dependence instead of size"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.01010","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:a0dc8ebb1a89c9a10ac3c86e11638ac666d6a319e178e42217d2fa38d5929356","target":"record","created_at":"2026-05-18T01:33:24Z","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":"5bd577ca95bab4750cacb9c7b0e8ba5463f611b6ae68810dde42fce9649dd22a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-03-03T16:55:03Z","title_canon_sha256":"b391ae906e7b6e8ff54e6b6a17373c5f1ca9089ed2f8477de24da7716e05b345"},"schema_version":"1.0","source":{"id":"1503.01010","kind":"arxiv","version":3}},"canonical_sha256":"dbe031b058368c34b7d4e7eb6e90d6df9f8802dbe870078a30f079d6a2e79064","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dbe031b058368c34b7d4e7eb6e90d6df9f8802dbe870078a30f079d6a2e79064","first_computed_at":"2026-05-18T01:33:24.150622Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:33:24.150622Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"F5SIICGw1DpcPndvWnGvZ9c7ZUWb2+muhtu3e4rnxhyyQvPxwMszbHn2JuZITZYlV+1kc9s/n9cbTUsWdYD6DA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:33:24.151278Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.01010","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a0dc8ebb1a89c9a10ac3c86e11638ac666d6a319e178e42217d2fa38d5929356","sha256:dc5542a944737f0be298123ac434e993fca79f66f23fd79793685c04de00680a"],"state_sha256":"9dad02b6329f389b914010a9166403c09a334db8d4afe2d2831b73faa5df0f5b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6TXeL062shT6DjziiYo+FYIWiSIA6QDme6ZKaYNnx3z982YMhizU6BSKp9qkDOjmr2RH+W2XvU/X5xoe4zWaDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T07:16:46.025259Z","bundle_sha256":"53c48bab33be922f8da3b0b74f6c3f2580948c4059017f78fd8ae20ec70d3355"}}