{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:D6YDPZWKGICCBIMURFMGRXL3ZJ","short_pith_number":"pith:D6YDPZWK","canonical_record":{"source":{"id":"1704.00477","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-04-03T09:04:48Z","cross_cats_sorted":[],"title_canon_sha256":"ff3b657723bd8b2c7162aba8800f0af430805364609e5d08cdce87f1bff1f6b4","abstract_canon_sha256":"7f5e7ef1099ca29393af06abbcb8e12a42fc023845b555549205b0c65ec3f7e8"},"schema_version":"1.0"},"canonical_sha256":"1fb037e6ca320420a194895868dd7bca7395e6abbe06a68e0c55e7fddba55df7","source":{"kind":"arxiv","id":"1704.00477","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.00477","created_at":"2026-05-18T00:21:28Z"},{"alias_kind":"arxiv_version","alias_value":"1704.00477v1","created_at":"2026-05-18T00:21:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.00477","created_at":"2026-05-18T00:21:28Z"},{"alias_kind":"pith_short_12","alias_value":"D6YDPZWKGICC","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"D6YDPZWKGICCBIMU","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"D6YDPZWK","created_at":"2026-05-18T12:31:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:D6YDPZWKGICCBIMURFMGRXL3ZJ","target":"record","payload":{"canonical_record":{"source":{"id":"1704.00477","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-04-03T09:04:48Z","cross_cats_sorted":[],"title_canon_sha256":"ff3b657723bd8b2c7162aba8800f0af430805364609e5d08cdce87f1bff1f6b4","abstract_canon_sha256":"7f5e7ef1099ca29393af06abbcb8e12a42fc023845b555549205b0c65ec3f7e8"},"schema_version":"1.0"},"canonical_sha256":"1fb037e6ca320420a194895868dd7bca7395e6abbe06a68e0c55e7fddba55df7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:21:28.541514Z","signature_b64":"eEzZ5Eg0Vs5LVddeyllri5zysC693Nx67QxfHP+ouJgAse/f99qYA1bhbyRaqiFgw4dwS2VSOUUkDoKFgpQQCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1fb037e6ca320420a194895868dd7bca7395e6abbe06a68e0c55e7fddba55df7","last_reissued_at":"2026-05-18T00:21:28.540832Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:21:28.540832Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.00477","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":"2026-05-18T00:21:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jxp5TymEcWm7iD5AuLMt9azA9+NYhssp2C5fy5o9A+jlL8lVcayii8k9cJXh/LLm2Vh3CkigKyHCGJBdOcbjDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T19:02:23.785814Z"},"content_sha256":"54da214fb5c9c715da3a55f28647d44b8d3449b6e4062bb2e09c9ad0f4369c24","schema_version":"1.0","event_id":"sha256:54da214fb5c9c715da3a55f28647d44b8d3449b6e4062bb2e09c9ad0f4369c24"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:D6YDPZWKGICCBIMURFMGRXL3ZJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Semiclassical Propagation: Hilbert Space vs. Wigner Representation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Fabian Gottwald, Sergei D. Ivanov","submitted_at":"2017-04-03T09:04:48Z","abstract_excerpt":"A unified viewpoint on the van Vleck and Herman-Kluk propagators in Hilbert space and their recently developed counterparts in Wigner representation is presented. It is shown that the numerical protocol for the Herman-Kluk propagator, which contains the van Vleck one as a particular case, coincides in both representations. The flexibility of the Wigner version in choosing the Gaussians' width for the underlying coherent states, being not bound to minimal uncertainty, is investigated numerically on prototypical potentials. Exploiting this flexibility provides neither qualitative nor quantitativ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.00477","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":""},"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":"2026-05-18T00:21:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rCwr3J4asFx0gYl08ZfWE58ntAf2fdmSLZJ1JBlvPUY+K06nk0UalROMGDEAMSzeJiwutXjht3jB7ZFIRPKwBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T19:02:23.786180Z"},"content_sha256":"40c99ec7fe784e3e4f5ea732106514ca1353512baf2a5e61025d7ce44cee0136","schema_version":"1.0","event_id":"sha256:40c99ec7fe784e3e4f5ea732106514ca1353512baf2a5e61025d7ce44cee0136"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D6YDPZWKGICCBIMURFMGRXL3ZJ/bundle.json","state_url":"https://pith.science/pith/D6YDPZWKGICCBIMURFMGRXL3ZJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D6YDPZWKGICCBIMURFMGRXL3ZJ/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":"2026-06-22T19:02:23Z","links":{"resolver":"https://pith.science/pith/D6YDPZWKGICCBIMURFMGRXL3ZJ","bundle":"https://pith.science/pith/D6YDPZWKGICCBIMURFMGRXL3ZJ/bundle.json","state":"https://pith.science/pith/D6YDPZWKGICCBIMURFMGRXL3ZJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D6YDPZWKGICCBIMURFMGRXL3ZJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:D6YDPZWKGICCBIMURFMGRXL3ZJ","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":"7f5e7ef1099ca29393af06abbcb8e12a42fc023845b555549205b0c65ec3f7e8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-04-03T09:04:48Z","title_canon_sha256":"ff3b657723bd8b2c7162aba8800f0af430805364609e5d08cdce87f1bff1f6b4"},"schema_version":"1.0","source":{"id":"1704.00477","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.00477","created_at":"2026-05-18T00:21:28Z"},{"alias_kind":"arxiv_version","alias_value":"1704.00477v1","created_at":"2026-05-18T00:21:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.00477","created_at":"2026-05-18T00:21:28Z"},{"alias_kind":"pith_short_12","alias_value":"D6YDPZWKGICC","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"D6YDPZWKGICCBIMU","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"D6YDPZWK","created_at":"2026-05-18T12:31:10Z"}],"graph_snapshots":[{"event_id":"sha256:40c99ec7fe784e3e4f5ea732106514ca1353512baf2a5e61025d7ce44cee0136","target":"graph","created_at":"2026-05-18T00:21:28Z","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":"A unified viewpoint on the van Vleck and Herman-Kluk propagators in Hilbert space and their recently developed counterparts in Wigner representation is presented. It is shown that the numerical protocol for the Herman-Kluk propagator, which contains the van Vleck one as a particular case, coincides in both representations. The flexibility of the Wigner version in choosing the Gaussians' width for the underlying coherent states, being not bound to minimal uncertainty, is investigated numerically on prototypical potentials. Exploiting this flexibility provides neither qualitative nor quantitativ","authors_text":"Fabian Gottwald, Sergei D. Ivanov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-04-03T09:04:48Z","title":"Semiclassical Propagation: Hilbert Space vs. Wigner Representation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.00477","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":"sha256:54da214fb5c9c715da3a55f28647d44b8d3449b6e4062bb2e09c9ad0f4369c24","target":"record","created_at":"2026-05-18T00:21:28Z","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":"7f5e7ef1099ca29393af06abbcb8e12a42fc023845b555549205b0c65ec3f7e8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-04-03T09:04:48Z","title_canon_sha256":"ff3b657723bd8b2c7162aba8800f0af430805364609e5d08cdce87f1bff1f6b4"},"schema_version":"1.0","source":{"id":"1704.00477","kind":"arxiv","version":1}},"canonical_sha256":"1fb037e6ca320420a194895868dd7bca7395e6abbe06a68e0c55e7fddba55df7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1fb037e6ca320420a194895868dd7bca7395e6abbe06a68e0c55e7fddba55df7","first_computed_at":"2026-05-18T00:21:28.540832Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:21:28.540832Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eEzZ5Eg0Vs5LVddeyllri5zysC693Nx67QxfHP+ouJgAse/f99qYA1bhbyRaqiFgw4dwS2VSOUUkDoKFgpQQCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:21:28.541514Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.00477","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:54da214fb5c9c715da3a55f28647d44b8d3449b6e4062bb2e09c9ad0f4369c24","sha256:40c99ec7fe784e3e4f5ea732106514ca1353512baf2a5e61025d7ce44cee0136"],"state_sha256":"d7fa768e693a88f2ac6650811bd1ec63219ab7c98cf697b06a2bc8e1294379f4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5C34oMSRfLB7BP2Ngytz2GjebRzhMAKHhnw8oSqs2XGYIL+/SLHcbbQQo6ciu6NCl/I7U26cbi4nBx909Ea0DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T19:02:23.788473Z","bundle_sha256":"3cf49a9c690a4c92af2dd0ab86d70c85a8c6f97d0cbbb0c95d6701dff5c2168a"}}