{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1995:IVZYJFFFRA3AMCUN3PZBYKMAVV","short_pith_number":"pith:IVZYJFFF","canonical_record":{"source":{"id":"cond-mat/9504012","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"1995-04-04T16:30:01Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"73d7e7cbf2509f32848f8e9d16bdfbc62df19a168db5ecd217e14d20cb2d50db","abstract_canon_sha256":"418bb0298487ce6f57b73863c87dce1ba9d3d529211b8b56d70eb719c3f1dc78"},"schema_version":"1.0"},"canonical_sha256":"45738494a58836060a8ddbf21c2980ad5b54b4a39e9685b428e5e0eb55452556","source":{"kind":"arxiv","id":"cond-mat/9504012","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9504012","created_at":"2026-05-18T01:09:20Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9504012v1","created_at":"2026-05-18T01:09:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9504012","created_at":"2026-05-18T01:09:20Z"},{"alias_kind":"pith_short_12","alias_value":"IVZYJFFFRA3A","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"IVZYJFFFRA3AMCUN","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"IVZYJFFF","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1995:IVZYJFFFRA3AMCUN3PZBYKMAVV","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/9504012","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"1995-04-04T16:30:01Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"73d7e7cbf2509f32848f8e9d16bdfbc62df19a168db5ecd217e14d20cb2d50db","abstract_canon_sha256":"418bb0298487ce6f57b73863c87dce1ba9d3d529211b8b56d70eb719c3f1dc78"},"schema_version":"1.0"},"canonical_sha256":"45738494a58836060a8ddbf21c2980ad5b54b4a39e9685b428e5e0eb55452556","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:20.615241Z","signature_b64":"ZjDAn7pGKTNY/bV8VpPMHMJ1nbenRT+cyGVLflGY/lPcG23ePBU7dHDlU3zFdipwGjkyTw8kLopuSw6L6yYICA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"45738494a58836060a8ddbf21c2980ad5b54b4a39e9685b428e5e0eb55452556","last_reissued_at":"2026-05-18T01:09:20.614673Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:20.614673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/9504012","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":"2026-05-18T01:09:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vEEBMoFwIz99ikg1lHG3R55PzHy8sTzZmqvrzI1hw0aYDbLlv1G4x+3IGRGpuwmy7ZmFuBEi64Dntl3W/9ekCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:07:01.514686Z"},"content_sha256":"268688802a079257ce32c46fb6b667ac83e682039f106081b74d816aec871b36","schema_version":"1.0","event_id":"sha256:268688802a079257ce32c46fb6b667ac83e682039f106081b74d816aec871b36"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1995:IVZYJFFFRA3AMCUN3PZBYKMAVV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fokker-Planck approach to quantum lattice Hamiltonians","license":"","headline":"","cross_cats":["hep-th"],"primary_cat":"cond-mat","authors_text":"Fernando Jim\\'enez, Germ\\'an Sierra","submitted_at":"1995-04-04T16:30:01Z","abstract_excerpt":"Fokker-Planck equations have been applied in the past to field theory topics such as the stochastic quantization and the stabilization of bottomless action theories. In this paper we give another application of the FP-techniques in a way appropriate to the study of the ground state, the excited states and the critical behaviour of quantum lattice Hamiltonians. With this purpose, we start by considering a discrete or lattice version of the standard FP-Hamiltonian. The well known exponential ansatz for the ground state wave functional becomes in our case an exponential ``cluster\" expansion. With"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9504012","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":"2026-05-18T01:09:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/f4tqumnVynyRYI6z8kRGr20atZFIZYZctMzHZE62vP+byDJv8HgiXriQcbSGNlTz9Dqv/UMeIMrwmy7Fc3RCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:07:01.515049Z"},"content_sha256":"83697c87678918ef566dc4163eb93ddbe60694c6f58dfe10a755a25667c0e031","schema_version":"1.0","event_id":"sha256:83697c87678918ef566dc4163eb93ddbe60694c6f58dfe10a755a25667c0e031"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IVZYJFFFRA3AMCUN3PZBYKMAVV/bundle.json","state_url":"https://pith.science/pith/IVZYJFFFRA3AMCUN3PZBYKMAVV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IVZYJFFFRA3AMCUN3PZBYKMAVV/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":"2026-05-28T12:07:01Z","links":{"resolver":"https://pith.science/pith/IVZYJFFFRA3AMCUN3PZBYKMAVV","bundle":"https://pith.science/pith/IVZYJFFFRA3AMCUN3PZBYKMAVV/bundle.json","state":"https://pith.science/pith/IVZYJFFFRA3AMCUN3PZBYKMAVV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IVZYJFFFRA3AMCUN3PZBYKMAVV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:IVZYJFFFRA3AMCUN3PZBYKMAVV","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":"418bb0298487ce6f57b73863c87dce1ba9d3d529211b8b56d70eb719c3f1dc78","cross_cats_sorted":["hep-th"],"license":"","primary_cat":"cond-mat","submitted_at":"1995-04-04T16:30:01Z","title_canon_sha256":"73d7e7cbf2509f32848f8e9d16bdfbc62df19a168db5ecd217e14d20cb2d50db"},"schema_version":"1.0","source":{"id":"cond-mat/9504012","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9504012","created_at":"2026-05-18T01:09:20Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9504012v1","created_at":"2026-05-18T01:09:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9504012","created_at":"2026-05-18T01:09:20Z"},{"alias_kind":"pith_short_12","alias_value":"IVZYJFFFRA3A","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"IVZYJFFFRA3AMCUN","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"IVZYJFFF","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:83697c87678918ef566dc4163eb93ddbe60694c6f58dfe10a755a25667c0e031","target":"graph","created_at":"2026-05-18T01:09:20Z","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":"Fokker-Planck equations have been applied in the past to field theory topics such as the stochastic quantization and the stabilization of bottomless action theories. In this paper we give another application of the FP-techniques in a way appropriate to the study of the ground state, the excited states and the critical behaviour of quantum lattice Hamiltonians. With this purpose, we start by considering a discrete or lattice version of the standard FP-Hamiltonian. The well known exponential ansatz for the ground state wave functional becomes in our case an exponential ``cluster\" expansion. With","authors_text":"Fernando Jim\\'enez, Germ\\'an Sierra","cross_cats":["hep-th"],"headline":"","license":"","primary_cat":"cond-mat","submitted_at":"1995-04-04T16:30:01Z","title":"Fokker-Planck approach to quantum lattice Hamiltonians"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9504012","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":"sha256:268688802a079257ce32c46fb6b667ac83e682039f106081b74d816aec871b36","target":"record","created_at":"2026-05-18T01:09:20Z","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":"418bb0298487ce6f57b73863c87dce1ba9d3d529211b8b56d70eb719c3f1dc78","cross_cats_sorted":["hep-th"],"license":"","primary_cat":"cond-mat","submitted_at":"1995-04-04T16:30:01Z","title_canon_sha256":"73d7e7cbf2509f32848f8e9d16bdfbc62df19a168db5ecd217e14d20cb2d50db"},"schema_version":"1.0","source":{"id":"cond-mat/9504012","kind":"arxiv","version":1}},"canonical_sha256":"45738494a58836060a8ddbf21c2980ad5b54b4a39e9685b428e5e0eb55452556","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"45738494a58836060a8ddbf21c2980ad5b54b4a39e9685b428e5e0eb55452556","first_computed_at":"2026-05-18T01:09:20.614673Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:20.614673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZjDAn7pGKTNY/bV8VpPMHMJ1nbenRT+cyGVLflGY/lPcG23ePBU7dHDlU3zFdipwGjkyTw8kLopuSw6L6yYICA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:20.615241Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9504012","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:268688802a079257ce32c46fb6b667ac83e682039f106081b74d816aec871b36","sha256:83697c87678918ef566dc4163eb93ddbe60694c6f58dfe10a755a25667c0e031"],"state_sha256":"f72e1291a4543b42fc9e5e9a3380b6e8c0ba1368280419c5c3e003e0ffc6e724"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MdAX4Py7c12LXpVeu/BNSbeScp51zDUw81BQXg0lcsrejrHkQnx6qeXkZs/USjNvXJh3eWjQrf9M9My7r5J9CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T12:07:01.517008Z","bundle_sha256":"66fc4cedb98393a2273b3dc241f5ff66b94feff1cb235229e5dd6e3796bbc9b8"}}