{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:VA3AOOAE7D4ZSZ75KG2RC3GMM4","short_pith_number":"pith:VA3AOOAE","canonical_record":{"source":{"id":"1904.06266","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-04-12T15:13:37Z","cross_cats_sorted":[],"title_canon_sha256":"cd89fd47b690947f31e3efc8acd703015da497bc5aff24f2f567686ef4159b51","abstract_canon_sha256":"3a134ba295afa33e47b088691db8f42002f669fd81e0902b91f2a711f21ff5d2"},"schema_version":"1.0"},"canonical_sha256":"a836073804f8f99967fd51b5116ccc672457b1e3e66cadc4bf46e75a68cefc6b","source":{"kind":"arxiv","id":"1904.06266","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.06266","created_at":"2026-05-17T23:48:43Z"},{"alias_kind":"arxiv_version","alias_value":"1904.06266v1","created_at":"2026-05-17T23:48:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.06266","created_at":"2026-05-17T23:48:43Z"},{"alias_kind":"pith_short_12","alias_value":"VA3AOOAE7D4Z","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"VA3AOOAE7D4ZSZ75","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"VA3AOOAE","created_at":"2026-05-18T12:33:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:VA3AOOAE7D4ZSZ75KG2RC3GMM4","target":"record","payload":{"canonical_record":{"source":{"id":"1904.06266","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-04-12T15:13:37Z","cross_cats_sorted":[],"title_canon_sha256":"cd89fd47b690947f31e3efc8acd703015da497bc5aff24f2f567686ef4159b51","abstract_canon_sha256":"3a134ba295afa33e47b088691db8f42002f669fd81e0902b91f2a711f21ff5d2"},"schema_version":"1.0"},"canonical_sha256":"a836073804f8f99967fd51b5116ccc672457b1e3e66cadc4bf46e75a68cefc6b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:43.716116Z","signature_b64":"BQ+nVzMrK11mkp9ke+J5ipNupiJv1pvG20zRuyGmywG3ENsc4nUZw25j72HA+fFdgisimsUHZ0B9XIXAZwviBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a836073804f8f99967fd51b5116ccc672457b1e3e66cadc4bf46e75a68cefc6b","last_reissued_at":"2026-05-17T23:48:43.715695Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:43.715695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.06266","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":"2026-05-17T23:48:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8hXdMlmO2M7qkjsCAgY6CaksMGXXc4tCfUcIjSbDET5DXr40K4djjjDvlNDFHAtpAmYidBXYu2srp1xBDVbQCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:49:47.129022Z"},"content_sha256":"0a9ed30302c763ee33bd0bea8164d69f3335e9fc87196c0b42d102f55990580d","schema_version":"1.0","event_id":"sha256:0a9ed30302c763ee33bd0bea8164d69f3335e9fc87196c0b42d102f55990580d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:VA3AOOAE7D4ZSZ75KG2RC3GMM4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A semiclassical field theory that is freed of the ultraviolet catastrophe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Joanna Pietraszewicz, Piotr Deuar","submitted_at":"2019-04-12T15:13:37Z","abstract_excerpt":"A more accurate semiclassical theory for ultracold gases is derived, in which the occupation of high energy modes is dynamically constrained to the Bose-Einstein distribution. This regularized version of the SGPE model preserves the proper nonlinear energy dependence of coupling to the thermal reservoir. As a result, inclusion of high energy modes above $k_BT$ does not cause a UV divergence. Instead, the reservoir becomes a constraint on the high energy tails which are included explicitly in the system. Millions of modes can be treated because computational cost scales slowly, like in other se"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.06266","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":"2026-05-17T23:48:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xzr8L8FEvuH1tVwktF6FzNQpydyjiymGghz2vOneOT5hzd9ig90tYIMc5ZQVvPfHHlrm5GGMHalAQvyOuLGQCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:49:47.129398Z"},"content_sha256":"daf9f87ece12450d676bc871a50f5e53d64e9d4f918f24158c5fd1e57a95184f","schema_version":"1.0","event_id":"sha256:daf9f87ece12450d676bc871a50f5e53d64e9d4f918f24158c5fd1e57a95184f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VA3AOOAE7D4ZSZ75KG2RC3GMM4/bundle.json","state_url":"https://pith.science/pith/VA3AOOAE7D4ZSZ75KG2RC3GMM4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VA3AOOAE7D4ZSZ75KG2RC3GMM4/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":"2026-06-01T05:49:47Z","links":{"resolver":"https://pith.science/pith/VA3AOOAE7D4ZSZ75KG2RC3GMM4","bundle":"https://pith.science/pith/VA3AOOAE7D4ZSZ75KG2RC3GMM4/bundle.json","state":"https://pith.science/pith/VA3AOOAE7D4ZSZ75KG2RC3GMM4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VA3AOOAE7D4ZSZ75KG2RC3GMM4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:VA3AOOAE7D4ZSZ75KG2RC3GMM4","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":"3a134ba295afa33e47b088691db8f42002f669fd81e0902b91f2a711f21ff5d2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-04-12T15:13:37Z","title_canon_sha256":"cd89fd47b690947f31e3efc8acd703015da497bc5aff24f2f567686ef4159b51"},"schema_version":"1.0","source":{"id":"1904.06266","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.06266","created_at":"2026-05-17T23:48:43Z"},{"alias_kind":"arxiv_version","alias_value":"1904.06266v1","created_at":"2026-05-17T23:48:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.06266","created_at":"2026-05-17T23:48:43Z"},{"alias_kind":"pith_short_12","alias_value":"VA3AOOAE7D4Z","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"VA3AOOAE7D4ZSZ75","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"VA3AOOAE","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:daf9f87ece12450d676bc871a50f5e53d64e9d4f918f24158c5fd1e57a95184f","target":"graph","created_at":"2026-05-17T23:48:43Z","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 more accurate semiclassical theory for ultracold gases is derived, in which the occupation of high energy modes is dynamically constrained to the Bose-Einstein distribution. This regularized version of the SGPE model preserves the proper nonlinear energy dependence of coupling to the thermal reservoir. As a result, inclusion of high energy modes above $k_BT$ does not cause a UV divergence. Instead, the reservoir becomes a constraint on the high energy tails which are included explicitly in the system. Millions of modes can be treated because computational cost scales slowly, like in other se","authors_text":"Joanna Pietraszewicz, Piotr Deuar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-04-12T15:13:37Z","title":"A semiclassical field theory that is freed of the ultraviolet catastrophe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.06266","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":"sha256:0a9ed30302c763ee33bd0bea8164d69f3335e9fc87196c0b42d102f55990580d","target":"record","created_at":"2026-05-17T23:48:43Z","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":"3a134ba295afa33e47b088691db8f42002f669fd81e0902b91f2a711f21ff5d2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-04-12T15:13:37Z","title_canon_sha256":"cd89fd47b690947f31e3efc8acd703015da497bc5aff24f2f567686ef4159b51"},"schema_version":"1.0","source":{"id":"1904.06266","kind":"arxiv","version":1}},"canonical_sha256":"a836073804f8f99967fd51b5116ccc672457b1e3e66cadc4bf46e75a68cefc6b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a836073804f8f99967fd51b5116ccc672457b1e3e66cadc4bf46e75a68cefc6b","first_computed_at":"2026-05-17T23:48:43.715695Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:43.715695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BQ+nVzMrK11mkp9ke+J5ipNupiJv1pvG20zRuyGmywG3ENsc4nUZw25j72HA+fFdgisimsUHZ0B9XIXAZwviBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:43.716116Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.06266","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0a9ed30302c763ee33bd0bea8164d69f3335e9fc87196c0b42d102f55990580d","sha256:daf9f87ece12450d676bc871a50f5e53d64e9d4f918f24158c5fd1e57a95184f"],"state_sha256":"252e08ba4ad2544571cfb43c64f56120fc58b77708f3a0c7d216fb70680a840c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uD86d3tZE6rE8uQPBrYJAcfeglYwnRJlZN857IXBfynqv+kQ8gWccybwAuDuOvOn8pti0eZ1RRGlDx02fESGAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T05:49:47.131963Z","bundle_sha256":"c3393a6f53a0fafbc6bb6c836738c9e6734ea2e31fbd44792e9717ce56e5d1b7"}}