{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:4L66UDGFX2E64JOSFIZZK7YW3F","short_pith_number":"pith:4L66UDGF","canonical_record":{"source":{"id":"1707.08582","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-07-26T18:00:07Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"54fce62e36f86c859290d38103c3a5a4c44397299779bd5f381a64d766fe20db","abstract_canon_sha256":"26047398071f77863f270bd2dc62b577027b80171abff79dace42f1554c1d32b"},"schema_version":"1.0"},"canonical_sha256":"e2fdea0cc5be89ee25d22a33957f16d9491a44996ec9d3d32378a33c0480f8f8","source":{"kind":"arxiv","id":"1707.08582","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.08582","created_at":"2026-05-18T00:00:43Z"},{"alias_kind":"arxiv_version","alias_value":"1707.08582v3","created_at":"2026-05-18T00:00:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.08582","created_at":"2026-05-18T00:00:43Z"},{"alias_kind":"pith_short_12","alias_value":"4L66UDGFX2E6","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"4L66UDGFX2E64JOS","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"4L66UDGF","created_at":"2026-05-18T12:31:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:4L66UDGFX2E64JOSFIZZK7YW3F","target":"record","payload":{"canonical_record":{"source":{"id":"1707.08582","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-07-26T18:00:07Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"54fce62e36f86c859290d38103c3a5a4c44397299779bd5f381a64d766fe20db","abstract_canon_sha256":"26047398071f77863f270bd2dc62b577027b80171abff79dace42f1554c1d32b"},"schema_version":"1.0"},"canonical_sha256":"e2fdea0cc5be89ee25d22a33957f16d9491a44996ec9d3d32378a33c0480f8f8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:43.751465Z","signature_b64":"HBFKTZMpkOoAejvYFg6Q09105wLRVxwCc99c0GDtJnf+Q7G7YuQcuRH/vxkPobsevAL1FPLuSP5A3VQsOOLCAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e2fdea0cc5be89ee25d22a33957f16d9491a44996ec9d3d32378a33c0480f8f8","last_reissued_at":"2026-05-18T00:00:43.751102Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:43.751102Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.08582","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":"2026-05-18T00:00:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aFvan+ioVKcA290HEqJCEM6u+l8HTa7SnC5Om5mShCYpJPc2NF3xM9g+OGSSRfzPDkC+zYtJxbStYtU3sUzoAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:20:03.783406Z"},"content_sha256":"176060b2d3ceca269036bd8b5da8ac82d0e489175699e0353052d7a85d593834","schema_version":"1.0","event_id":"sha256:176060b2d3ceca269036bd8b5da8ac82d0e489175699e0353052d7a85d593834"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:4L66UDGFX2E64JOSFIZZK7YW3F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards Complexity for Quantum Field Theory States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"hep-th","authors_text":"Fernando Pastawski, Hugo Marrochio, Michal P. Heller, Shira Chapman","submitted_at":"2017-07-26T18:00:07Z","abstract_excerpt":"We investigate notions of complexity of states in continuous quantum-many body systems. We focus on Gaussian states which include ground states of free quantum field theories and their approximations encountered in the context of the continuous version of Multiscale Entanglement Renormalization Ansatz. Our proposal for quantifying state complexity is based on the Fubini-Study metric. It leads to counting the number of applications of each gate (infinitesimal generator) in the transformation, subject to a state-dependent metric. We minimize the defined complexity with respect to momentum preser"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.08582","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":"2026-05-18T00:00:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tG/HduPzbAokYnF1X9hlIq6069M/3uYUVw73Zpwwy3w8TU+QUsG+C+YaUoA41dCMmdDNG/8fAJ4sHeKss+zoCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:20:03.784080Z"},"content_sha256":"12b46ac5f34c81bae336f1637a72ee043814be654e93a7b48a3a5d3aad6cfd0e","schema_version":"1.0","event_id":"sha256:12b46ac5f34c81bae336f1637a72ee043814be654e93a7b48a3a5d3aad6cfd0e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4L66UDGFX2E64JOSFIZZK7YW3F/bundle.json","state_url":"https://pith.science/pith/4L66UDGFX2E64JOSFIZZK7YW3F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4L66UDGFX2E64JOSFIZZK7YW3F/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":"2026-05-25T18:20:03Z","links":{"resolver":"https://pith.science/pith/4L66UDGFX2E64JOSFIZZK7YW3F","bundle":"https://pith.science/pith/4L66UDGFX2E64JOSFIZZK7YW3F/bundle.json","state":"https://pith.science/pith/4L66UDGFX2E64JOSFIZZK7YW3F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4L66UDGFX2E64JOSFIZZK7YW3F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:4L66UDGFX2E64JOSFIZZK7YW3F","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":"26047398071f77863f270bd2dc62b577027b80171abff79dace42f1554c1d32b","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-07-26T18:00:07Z","title_canon_sha256":"54fce62e36f86c859290d38103c3a5a4c44397299779bd5f381a64d766fe20db"},"schema_version":"1.0","source":{"id":"1707.08582","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.08582","created_at":"2026-05-18T00:00:43Z"},{"alias_kind":"arxiv_version","alias_value":"1707.08582v3","created_at":"2026-05-18T00:00:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.08582","created_at":"2026-05-18T00:00:43Z"},{"alias_kind":"pith_short_12","alias_value":"4L66UDGFX2E6","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"4L66UDGFX2E64JOS","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"4L66UDGF","created_at":"2026-05-18T12:31:00Z"}],"graph_snapshots":[{"event_id":"sha256:12b46ac5f34c81bae336f1637a72ee043814be654e93a7b48a3a5d3aad6cfd0e","target":"graph","created_at":"2026-05-18T00:00:43Z","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":"We investigate notions of complexity of states in continuous quantum-many body systems. We focus on Gaussian states which include ground states of free quantum field theories and their approximations encountered in the context of the continuous version of Multiscale Entanglement Renormalization Ansatz. Our proposal for quantifying state complexity is based on the Fubini-Study metric. It leads to counting the number of applications of each gate (infinitesimal generator) in the transformation, subject to a state-dependent metric. We minimize the defined complexity with respect to momentum preser","authors_text":"Fernando Pastawski, Hugo Marrochio, Michal P. Heller, Shira Chapman","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-07-26T18:00:07Z","title":"Towards Complexity for Quantum Field Theory States"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.08582","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":"sha256:176060b2d3ceca269036bd8b5da8ac82d0e489175699e0353052d7a85d593834","target":"record","created_at":"2026-05-18T00:00:43Z","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":"26047398071f77863f270bd2dc62b577027b80171abff79dace42f1554c1d32b","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-07-26T18:00:07Z","title_canon_sha256":"54fce62e36f86c859290d38103c3a5a4c44397299779bd5f381a64d766fe20db"},"schema_version":"1.0","source":{"id":"1707.08582","kind":"arxiv","version":3}},"canonical_sha256":"e2fdea0cc5be89ee25d22a33957f16d9491a44996ec9d3d32378a33c0480f8f8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e2fdea0cc5be89ee25d22a33957f16d9491a44996ec9d3d32378a33c0480f8f8","first_computed_at":"2026-05-18T00:00:43.751102Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:43.751102Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HBFKTZMpkOoAejvYFg6Q09105wLRVxwCc99c0GDtJnf+Q7G7YuQcuRH/vxkPobsevAL1FPLuSP5A3VQsOOLCAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:43.751465Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.08582","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:176060b2d3ceca269036bd8b5da8ac82d0e489175699e0353052d7a85d593834","sha256:12b46ac5f34c81bae336f1637a72ee043814be654e93a7b48a3a5d3aad6cfd0e"],"state_sha256":"988f84ece316f85d13ab9342b3f6bfe31237636d08d9da4ef295ece96654263d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GKfhYKPIxGm1IFf1+Tm7NxP8IQ5dsrZxrE7oVHTyYfUnYh/+/gU09sbyOeuB8tll7rWKAe45cfauv3kjOadvBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:20:03.787582Z","bundle_sha256":"7a550cb2f700620ba2dcfda3f58b3f2309a5b0e6199d7dd93cb90965a3440631"}}