{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:OG2SATBH5KHCOIQOITYTYWTJ3W","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":"97d769f887685fdb5f1cf12fc0f3c5a93e696e49443e7e1f94258a34f5306a34","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-26T15:59:59Z","title_canon_sha256":"6fb0e1e98466e3e989eb0e82c5f21ee2f4cecf5bde5e2630b37157a1705e3db3"},"schema_version":"1.0","source":{"id":"1908.09761","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.09761","created_at":"2026-07-05T01:13:42Z"},{"alias_kind":"arxiv_version","alias_value":"1908.09761v2","created_at":"2026-07-05T01:13:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.09761","created_at":"2026-07-05T01:13:42Z"},{"alias_kind":"pith_short_12","alias_value":"OG2SATBH5KHC","created_at":"2026-07-05T01:13:42Z"},{"alias_kind":"pith_short_16","alias_value":"OG2SATBH5KHCOIQO","created_at":"2026-07-05T01:13:42Z"},{"alias_kind":"pith_short_8","alias_value":"OG2SATBH","created_at":"2026-07-05T01:13:42Z"}],"graph_snapshots":[{"event_id":"sha256:ef4d29f636a23e425fe291e607148d3bb53c63609c609e02994164a11f6c9261","target":"graph","created_at":"2026-07-05T01:13:42Z","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/1908.09761/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recently it was shown that continuous Matrix Product States (cMPS) cannot express the continuum limit state of any Matrix Product State (MPS), according to a certain natural definition of the latter. The missing element is a projector in the transfer matrix of the MPS. Here we provide a generalised ansatz of cMPS that is capable of expressing the continuum limit of any MPS. It consists of a sum of cMPS with different boundary conditions, each attached to an ancilla state. This new ansatz can be interpreted as the concatenation of a state which is at the closure of the set of cMPS together with","authors_text":"Gemma De las Cuevas, Maria Balanz\\'o-Juand\\'o","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-26T15:59:59Z","title":"Generalised ansatz for continuous Matrix Product States"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.09761","kind":"arxiv","version":2},"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:f210840a23b4b4df0971f7e3c35cffc75d04eb9151d1de58fe64b1da0c3cf866","target":"record","created_at":"2026-07-05T01:13:42Z","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":"97d769f887685fdb5f1cf12fc0f3c5a93e696e49443e7e1f94258a34f5306a34","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-26T15:59:59Z","title_canon_sha256":"6fb0e1e98466e3e989eb0e82c5f21ee2f4cecf5bde5e2630b37157a1705e3db3"},"schema_version":"1.0","source":{"id":"1908.09761","kind":"arxiv","version":2}},"canonical_sha256":"71b5204c27ea8e27220e44f13c5a69dd8c8b5e2711d27de01b2c2373cf270646","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"71b5204c27ea8e27220e44f13c5a69dd8c8b5e2711d27de01b2c2373cf270646","first_computed_at":"2026-07-05T01:13:42.047055Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:13:42.047055Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u82MvZhJfoHb9u25w+FkDHBlyczHotnPiwoxwC8nbvGmjURb2yRhUy+JLrSPHxRpTiOsTHd8BPJH3hxZgGhaDA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:13:42.047459Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.09761","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f210840a23b4b4df0971f7e3c35cffc75d04eb9151d1de58fe64b1da0c3cf866","sha256:ef4d29f636a23e425fe291e607148d3bb53c63609c609e02994164a11f6c9261"],"state_sha256":"0db82d3f289b52211cd41fd825018b71cc92068a31b0c1706820e897c5df0a3e"}