{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:O5DU2YDKR4RFRE43YDG7BJKYIJ","short_pith_number":"pith:O5DU2YDK","canonical_record":{"source":{"id":"2303.08982","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-03-15T23:09:10Z","cross_cats_sorted":[],"title_canon_sha256":"4d52e12334e1d2e8ac033245b5e7366ee4c380913e6e4cab8e7e378c1106e7a2","abstract_canon_sha256":"659015f84571b3f142682182f6667cea8a5b6f0a82331b9a7f8f063c8d2dd5a6"},"schema_version":"1.0"},"canonical_sha256":"77474d606a8f2258939bc0cdf0a55842430c66a5565606c17b61ba561b4770d2","source":{"kind":"arxiv","id":"2303.08982","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.08982","created_at":"2026-07-05T09:09:50Z"},{"alias_kind":"arxiv_version","alias_value":"2303.08982v3","created_at":"2026-07-05T09:09:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.08982","created_at":"2026-07-05T09:09:50Z"},{"alias_kind":"pith_short_12","alias_value":"O5DU2YDKR4RF","created_at":"2026-07-05T09:09:50Z"},{"alias_kind":"pith_short_16","alias_value":"O5DU2YDKR4RFRE43","created_at":"2026-07-05T09:09:50Z"},{"alias_kind":"pith_short_8","alias_value":"O5DU2YDK","created_at":"2026-07-05T09:09:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:O5DU2YDKR4RFRE43YDG7BJKYIJ","target":"record","payload":{"canonical_record":{"source":{"id":"2303.08982","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-03-15T23:09:10Z","cross_cats_sorted":[],"title_canon_sha256":"4d52e12334e1d2e8ac033245b5e7366ee4c380913e6e4cab8e7e378c1106e7a2","abstract_canon_sha256":"659015f84571b3f142682182f6667cea8a5b6f0a82331b9a7f8f063c8d2dd5a6"},"schema_version":"1.0"},"canonical_sha256":"77474d606a8f2258939bc0cdf0a55842430c66a5565606c17b61ba561b4770d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:09:50.874487Z","signature_b64":"UxjUoXro3MmG5cUdyINRxMsYxeAkAAKitd1qZG6fTjz6/G1+qXVQLLLcxc+r2fa8/YEI6Kbb7dAirR1vMBwpDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"77474d606a8f2258939bc0cdf0a55842430c66a5565606c17b61ba561b4770d2","last_reissued_at":"2026-07-05T09:09:50.873983Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:09:50.873983Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.08982","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":"2026-07-05T09:09:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zCVkBeeU33RS35ZfSfcJxxNsMDmd/LSfRaQkvTus3ah4CRQqU0z6TJuj7ooYMhv2L0GvOhpf1RQ6Ttq7m/UoDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T15:45:39.282868Z"},"content_sha256":"d5de4de321899503d3f77ba9298fc41f2c5eba07c22e51b49c585fdd0a20c6f2","schema_version":"1.0","event_id":"sha256:d5de4de321899503d3f77ba9298fc41f2c5eba07c22e51b49c585fdd0a20c6f2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:O5DU2YDKR4RFRE43YDG7BJKYIJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Systematic coarse-graining of environments for the non-perturbative simulation of open quantum systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Dario Tamascelli, James Lim, Martin B. Plenio, Namgee Cho, Nicola Lorenzoni, Susana F. Huelga","submitted_at":"2023-03-15T23:09:10Z","abstract_excerpt":"Conducting precise electronic-vibrational dynamics simulations of molecular systems poses significant challenges when dealing with realistic environments composed of numerous vibrational modes. Here, we introduce a technique for the construction of effective phonon spectral densities that capture accurately open system dynamics over a finite time interval of interest. When combined with existing non-perturbative simulation tools, our approach can reduce significantly the computational costs associated with many-body open system dynamics."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.08982","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/2303.08982/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":"2026-07-05T09:09:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CVE/OlNFsfT97H2jFqe+QSl07qETPMJzIbHee4yJUUGcvGzc3hZYOIsi8PhWwjVxmGEuQ5BemGwHqaC6AgPFDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T15:45:39.283371Z"},"content_sha256":"a5231c62faf9fb4de37dd70d8b35c4325b87484e7c582450c0d6ddbffdb8cebe","schema_version":"1.0","event_id":"sha256:a5231c62faf9fb4de37dd70d8b35c4325b87484e7c582450c0d6ddbffdb8cebe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O5DU2YDKR4RFRE43YDG7BJKYIJ/bundle.json","state_url":"https://pith.science/pith/O5DU2YDKR4RFRE43YDG7BJKYIJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O5DU2YDKR4RFRE43YDG7BJKYIJ/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":"2026-08-23T15:45:39Z","links":{"resolver":"https://pith.science/pith/O5DU2YDKR4RFRE43YDG7BJKYIJ","bundle":"https://pith.science/pith/O5DU2YDKR4RFRE43YDG7BJKYIJ/bundle.json","state":"https://pith.science/pith/O5DU2YDKR4RFRE43YDG7BJKYIJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O5DU2YDKR4RFRE43YDG7BJKYIJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:O5DU2YDKR4RFRE43YDG7BJKYIJ","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":"659015f84571b3f142682182f6667cea8a5b6f0a82331b9a7f8f063c8d2dd5a6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-03-15T23:09:10Z","title_canon_sha256":"4d52e12334e1d2e8ac033245b5e7366ee4c380913e6e4cab8e7e378c1106e7a2"},"schema_version":"1.0","source":{"id":"2303.08982","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.08982","created_at":"2026-07-05T09:09:50Z"},{"alias_kind":"arxiv_version","alias_value":"2303.08982v3","created_at":"2026-07-05T09:09:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.08982","created_at":"2026-07-05T09:09:50Z"},{"alias_kind":"pith_short_12","alias_value":"O5DU2YDKR4RF","created_at":"2026-07-05T09:09:50Z"},{"alias_kind":"pith_short_16","alias_value":"O5DU2YDKR4RFRE43","created_at":"2026-07-05T09:09:50Z"},{"alias_kind":"pith_short_8","alias_value":"O5DU2YDK","created_at":"2026-07-05T09:09:50Z"}],"graph_snapshots":[{"event_id":"sha256:a5231c62faf9fb4de37dd70d8b35c4325b87484e7c582450c0d6ddbffdb8cebe","target":"graph","created_at":"2026-07-05T09:09:50Z","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/2303.08982/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Conducting precise electronic-vibrational dynamics simulations of molecular systems poses significant challenges when dealing with realistic environments composed of numerous vibrational modes. Here, we introduce a technique for the construction of effective phonon spectral densities that capture accurately open system dynamics over a finite time interval of interest. When combined with existing non-perturbative simulation tools, our approach can reduce significantly the computational costs associated with many-body open system dynamics.","authors_text":"Dario Tamascelli, James Lim, Martin B. Plenio, Namgee Cho, Nicola Lorenzoni, Susana F. Huelga","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-03-15T23:09:10Z","title":"Systematic coarse-graining of environments for the non-perturbative simulation of open quantum systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.08982","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:d5de4de321899503d3f77ba9298fc41f2c5eba07c22e51b49c585fdd0a20c6f2","target":"record","created_at":"2026-07-05T09:09:50Z","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":"659015f84571b3f142682182f6667cea8a5b6f0a82331b9a7f8f063c8d2dd5a6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-03-15T23:09:10Z","title_canon_sha256":"4d52e12334e1d2e8ac033245b5e7366ee4c380913e6e4cab8e7e378c1106e7a2"},"schema_version":"1.0","source":{"id":"2303.08982","kind":"arxiv","version":3}},"canonical_sha256":"77474d606a8f2258939bc0cdf0a55842430c66a5565606c17b61ba561b4770d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"77474d606a8f2258939bc0cdf0a55842430c66a5565606c17b61ba561b4770d2","first_computed_at":"2026-07-05T09:09:50.873983Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:09:50.873983Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UxjUoXro3MmG5cUdyINRxMsYxeAkAAKitd1qZG6fTjz6/G1+qXVQLLLcxc+r2fa8/YEI6Kbb7dAirR1vMBwpDw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:09:50.874487Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.08982","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d5de4de321899503d3f77ba9298fc41f2c5eba07c22e51b49c585fdd0a20c6f2","sha256:a5231c62faf9fb4de37dd70d8b35c4325b87484e7c582450c0d6ddbffdb8cebe"],"state_sha256":"9b5bb893f556d3773edfbdccb77d68abcb7f5c8b8996f10ac3ed920507047fad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"twpGGQhOf5Zc47LrGosEvEzuEM2XKeMEOeHyc3NyQJlA3EB+aaBn5FaWOsHouvaP63zhKirCK/3TA6aUDY4LDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T15:45:39.288370Z","bundle_sha256":"73f03de44eca6772c0aeb1f59a2fce194e959d4e2cbef333d4519b143de701ed"}}