{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:JTI5C6KVLFIPWXLOXC4CWJG4NE","short_pith_number":"pith:JTI5C6KV","canonical_record":{"source":{"id":"1904.00028","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-03-29T18:01:52Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"bb9675a75b13cbc06e4bd560e0dd3370ff08f82880eecf573cccc85a0ac70e0f","abstract_canon_sha256":"f4c3b457052408cbebed89ff153e1c5d726636e12f02c20ec9f650e597f7f0ee"},"schema_version":"1.0"},"canonical_sha256":"4cd1d179555950fb5d6eb8b82b24dc69312cd8589a4ff3747141a2a1722167ee","source":{"kind":"arxiv","id":"1904.00028","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.00028","created_at":"2026-07-05T01:31:48Z"},{"alias_kind":"arxiv_version","alias_value":"1904.00028v3","created_at":"2026-07-05T01:31:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.00028","created_at":"2026-07-05T01:31:48Z"},{"alias_kind":"pith_short_12","alias_value":"JTI5C6KVLFIP","created_at":"2026-07-05T01:31:48Z"},{"alias_kind":"pith_short_16","alias_value":"JTI5C6KVLFIPWXLO","created_at":"2026-07-05T01:31:48Z"},{"alias_kind":"pith_short_8","alias_value":"JTI5C6KV","created_at":"2026-07-05T01:31:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:JTI5C6KVLFIPWXLOXC4CWJG4NE","target":"record","payload":{"canonical_record":{"source":{"id":"1904.00028","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-03-29T18:01:52Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"bb9675a75b13cbc06e4bd560e0dd3370ff08f82880eecf573cccc85a0ac70e0f","abstract_canon_sha256":"f4c3b457052408cbebed89ff153e1c5d726636e12f02c20ec9f650e597f7f0ee"},"schema_version":"1.0"},"canonical_sha256":"4cd1d179555950fb5d6eb8b82b24dc69312cd8589a4ff3747141a2a1722167ee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:31:48.152041Z","signature_b64":"bOlGzcTS+iRV6tQc0THSCVcpkK8+32SxCvZpLk5QqkTGNutAWABZVWE0/hELR4ik++qkbTL5SIobfzqip8zkDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4cd1d179555950fb5d6eb8b82b24dc69312cd8589a4ff3747141a2a1722167ee","last_reissued_at":"2026-07-05T01:31:48.151534Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:31:48.151534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.00028","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":"2026-07-05T01:31:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aAxXBaVgq6vUkCqfhiS0zCCy5vwd2C3Dlcve3oVqu8NQL/r+ZDJ5yJCyjY1nOMdF4ahwfdET1VoodCMYyLoLBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T17:24:36.555604Z"},"content_sha256":"ad8aced15903c18d66938f722e7104da8d1f8be20b9f168290925a569de145d3","schema_version":"1.0","event_id":"sha256:ad8aced15903c18d66938f722e7104da8d1f8be20b9f168290925a569de145d3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:JTI5C6KVLFIPWXLOXC4CWJG4NE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tensor network investigation of the double layer Kagome compound Ca$_{10}$Cr$_7$O$_{28}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.str-el","authors_text":"A. Kshetrimayum, B. Lake, C. Balz, J. Eisert","submitted_at":"2019-03-29T18:01:52Z","abstract_excerpt":"Quantum spin liquids are exotic quantum phases of matter that do not order even at zero temperature. While there are several toy models and simple Hamiltonians that could host a quantum spin liquid as their ground state, it is very rare to find actual, realistic materials that exhibits their properties. At the same time, the classical simulation of such instances of strongly correlated systems is intricate and reliable methods are scarce. In this work, we investigate the quantum magnet Ca$_{10}$Cr$_7$O$_{28}$ that has recently been discovered to exhibit properties of a quantum spin liquid in i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.00028","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1904.00028/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:31:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QvVpVbyoOtfRmFhmmPZMr8QxK82UxubdQmuP8Eqv8220nQH6MugEcNvG7WE19RwMQBryS4mnHC0LuEVmTtX5AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T17:24:36.555996Z"},"content_sha256":"ef614d977cdaf180340946c484f6099d490cde4a11d62823f35310c4e17430da","schema_version":"1.0","event_id":"sha256:ef614d977cdaf180340946c484f6099d490cde4a11d62823f35310c4e17430da"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JTI5C6KVLFIPWXLOXC4CWJG4NE/bundle.json","state_url":"https://pith.science/pith/JTI5C6KVLFIPWXLOXC4CWJG4NE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JTI5C6KVLFIPWXLOXC4CWJG4NE/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":"2026-07-06T17:24:36Z","links":{"resolver":"https://pith.science/pith/JTI5C6KVLFIPWXLOXC4CWJG4NE","bundle":"https://pith.science/pith/JTI5C6KVLFIPWXLOXC4CWJG4NE/bundle.json","state":"https://pith.science/pith/JTI5C6KVLFIPWXLOXC4CWJG4NE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JTI5C6KVLFIPWXLOXC4CWJG4NE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:JTI5C6KVLFIPWXLOXC4CWJG4NE","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":"f4c3b457052408cbebed89ff153e1c5d726636e12f02c20ec9f650e597f7f0ee","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-03-29T18:01:52Z","title_canon_sha256":"bb9675a75b13cbc06e4bd560e0dd3370ff08f82880eecf573cccc85a0ac70e0f"},"schema_version":"1.0","source":{"id":"1904.00028","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.00028","created_at":"2026-07-05T01:31:48Z"},{"alias_kind":"arxiv_version","alias_value":"1904.00028v3","created_at":"2026-07-05T01:31:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.00028","created_at":"2026-07-05T01:31:48Z"},{"alias_kind":"pith_short_12","alias_value":"JTI5C6KVLFIP","created_at":"2026-07-05T01:31:48Z"},{"alias_kind":"pith_short_16","alias_value":"JTI5C6KVLFIPWXLO","created_at":"2026-07-05T01:31:48Z"},{"alias_kind":"pith_short_8","alias_value":"JTI5C6KV","created_at":"2026-07-05T01:31:48Z"}],"graph_snapshots":[{"event_id":"sha256:ef614d977cdaf180340946c484f6099d490cde4a11d62823f35310c4e17430da","target":"graph","created_at":"2026-07-05T01:31:48Z","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/1904.00028/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum spin liquids are exotic quantum phases of matter that do not order even at zero temperature. While there are several toy models and simple Hamiltonians that could host a quantum spin liquid as their ground state, it is very rare to find actual, realistic materials that exhibits their properties. At the same time, the classical simulation of such instances of strongly correlated systems is intricate and reliable methods are scarce. In this work, we investigate the quantum magnet Ca$_{10}$Cr$_7$O$_{28}$ that has recently been discovered to exhibit properties of a quantum spin liquid in i","authors_text":"A. Kshetrimayum, B. Lake, C. Balz, J. Eisert","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-03-29T18:01:52Z","title":"Tensor network investigation of the double layer Kagome compound Ca$_{10}$Cr$_7$O$_{28}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.00028","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:ad8aced15903c18d66938f722e7104da8d1f8be20b9f168290925a569de145d3","target":"record","created_at":"2026-07-05T01:31:48Z","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":"f4c3b457052408cbebed89ff153e1c5d726636e12f02c20ec9f650e597f7f0ee","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-03-29T18:01:52Z","title_canon_sha256":"bb9675a75b13cbc06e4bd560e0dd3370ff08f82880eecf573cccc85a0ac70e0f"},"schema_version":"1.0","source":{"id":"1904.00028","kind":"arxiv","version":3}},"canonical_sha256":"4cd1d179555950fb5d6eb8b82b24dc69312cd8589a4ff3747141a2a1722167ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4cd1d179555950fb5d6eb8b82b24dc69312cd8589a4ff3747141a2a1722167ee","first_computed_at":"2026-07-05T01:31:48.151534Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:31:48.151534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bOlGzcTS+iRV6tQc0THSCVcpkK8+32SxCvZpLk5QqkTGNutAWABZVWE0/hELR4ik++qkbTL5SIobfzqip8zkDw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:31:48.152041Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.00028","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad8aced15903c18d66938f722e7104da8d1f8be20b9f168290925a569de145d3","sha256:ef614d977cdaf180340946c484f6099d490cde4a11d62823f35310c4e17430da"],"state_sha256":"65f5b47dc076232f39133bf27689f37beed6eed8b848531fe87907d4fa69d201"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HMtOFRW3PPQu/QGoc8fDs/5FMlfFeQHs1EIDghlTNGVXX0bRMCKBU+FOsW48lfPC1KefSOOyNe+x7ZivZyvmDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T17:24:36.558015Z","bundle_sha256":"b557a97baa8842656844800a6281eeb44736fa12dd50dbb988e2e2288ed18086"}}