{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:FKHUGGU3H6H3HP73F6ZWLTZYU2","short_pith_number":"pith:FKHUGGU3","canonical_record":{"source":{"id":"1212.2983","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-12-12T21:09:53Z","cross_cats_sorted":[],"title_canon_sha256":"00359abaeeb810436d3c066f2fdf9f5e6858111c374200ed59f46fa376c6d789","abstract_canon_sha256":"fd5b4a6b8a03c427651d355abacbe68c7e7973a19d6fd17478bdd8cf888ab95f"},"schema_version":"1.0"},"canonical_sha256":"2a8f431a9b3f8fb3bffb2fb365cf38a68b53b957481bb5d6d82e682d398aafca","source":{"kind":"arxiv","id":"1212.2983","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.2983","created_at":"2026-05-18T01:52:39Z"},{"alias_kind":"arxiv_version","alias_value":"1212.2983v2","created_at":"2026-05-18T01:52:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.2983","created_at":"2026-05-18T01:52:39Z"},{"alias_kind":"pith_short_12","alias_value":"FKHUGGU3H6H3","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"FKHUGGU3H6H3HP73","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"FKHUGGU3","created_at":"2026-05-18T12:27:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:FKHUGGU3H6H3HP73F6ZWLTZYU2","target":"record","payload":{"canonical_record":{"source":{"id":"1212.2983","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-12-12T21:09:53Z","cross_cats_sorted":[],"title_canon_sha256":"00359abaeeb810436d3c066f2fdf9f5e6858111c374200ed59f46fa376c6d789","abstract_canon_sha256":"fd5b4a6b8a03c427651d355abacbe68c7e7973a19d6fd17478bdd8cf888ab95f"},"schema_version":"1.0"},"canonical_sha256":"2a8f431a9b3f8fb3bffb2fb365cf38a68b53b957481bb5d6d82e682d398aafca","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:39.262060Z","signature_b64":"rjC6xtSN0AbE2VkhW/jWakoVn5tPuHPv6a86SK6f/ejMXcSlpYmXdcq3f5hfSlK5t5C8BNS4oRQC3QrSwRO/Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2a8f431a9b3f8fb3bffb2fb365cf38a68b53b957481bb5d6d82e682d398aafca","last_reissued_at":"2026-05-18T01:52:39.261429Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:39.261429Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.2983","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:52:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a/33T12KhqHDC0LXpJ68nMrc7gu37MhFTV7vLA2NLYfQMBNqpZlmLufXTeoonjyus9eA1Qz51lZFm+QFcnNsCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T18:37:06.816659Z"},"content_sha256":"38528891ae44bcb77249ccce6929d7ce0a0e010ab0e21f03c67e0525e31e665e","schema_version":"1.0","event_id":"sha256:38528891ae44bcb77249ccce6929d7ce0a0e010ab0e21f03c67e0525e31e665e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:FKHUGGU3H6H3HP73F6ZWLTZYU2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tensor network study of the Shastry-Sutherland model in zero magnetic field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Frederic Mila, Philippe Corboz","submitted_at":"2012-12-12T21:09:53Z","abstract_excerpt":"We simulate the Shastry-Sutherland model in two dimensions by means of infinite projected entangled-pair states (iPEPS) - a variational tensor network method where the accuracy can be systematically controlled by the so-called bond dimension. Besides the well established dimer and N\\'eel phase iPEPS confirms the presence of an intermediate phase with plaquette long-range order, and we determine its phase boundaries with high accuracy. The first order phase transition for $J=0.675(2)$ between dimer and plaquette phase is compatible with previous series expansion results. iPEPS predicts a weak f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.2983","kind":"arxiv","version":2},"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":"2026-05-18T01:52:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"braT2weqxp4IFlyztq9Gn9ChRIycvjm8RoJL7ZEWkzaxNuQSKhrEhRSBctNICj9TkVdkrwcsWuDPx1lO8PDOBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T18:37:06.817052Z"},"content_sha256":"517d36352524eb2c8b90d2f250f814cf386499ffd5daaefa3ec470b1f71ffbad","schema_version":"1.0","event_id":"sha256:517d36352524eb2c8b90d2f250f814cf386499ffd5daaefa3ec470b1f71ffbad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FKHUGGU3H6H3HP73F6ZWLTZYU2/bundle.json","state_url":"https://pith.science/pith/FKHUGGU3H6H3HP73F6ZWLTZYU2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FKHUGGU3H6H3HP73F6ZWLTZYU2/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":"2026-06-06T18:37:06Z","links":{"resolver":"https://pith.science/pith/FKHUGGU3H6H3HP73F6ZWLTZYU2","bundle":"https://pith.science/pith/FKHUGGU3H6H3HP73F6ZWLTZYU2/bundle.json","state":"https://pith.science/pith/FKHUGGU3H6H3HP73F6ZWLTZYU2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FKHUGGU3H6H3HP73F6ZWLTZYU2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:FKHUGGU3H6H3HP73F6ZWLTZYU2","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":"fd5b4a6b8a03c427651d355abacbe68c7e7973a19d6fd17478bdd8cf888ab95f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-12-12T21:09:53Z","title_canon_sha256":"00359abaeeb810436d3c066f2fdf9f5e6858111c374200ed59f46fa376c6d789"},"schema_version":"1.0","source":{"id":"1212.2983","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.2983","created_at":"2026-05-18T01:52:39Z"},{"alias_kind":"arxiv_version","alias_value":"1212.2983v2","created_at":"2026-05-18T01:52:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.2983","created_at":"2026-05-18T01:52:39Z"},{"alias_kind":"pith_short_12","alias_value":"FKHUGGU3H6H3","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"FKHUGGU3H6H3HP73","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"FKHUGGU3","created_at":"2026-05-18T12:27:06Z"}],"graph_snapshots":[{"event_id":"sha256:517d36352524eb2c8b90d2f250f814cf386499ffd5daaefa3ec470b1f71ffbad","target":"graph","created_at":"2026-05-18T01:52:39Z","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 simulate the Shastry-Sutherland model in two dimensions by means of infinite projected entangled-pair states (iPEPS) - a variational tensor network method where the accuracy can be systematically controlled by the so-called bond dimension. Besides the well established dimer and N\\'eel phase iPEPS confirms the presence of an intermediate phase with plaquette long-range order, and we determine its phase boundaries with high accuracy. The first order phase transition for $J=0.675(2)$ between dimer and plaquette phase is compatible with previous series expansion results. iPEPS predicts a weak f","authors_text":"Frederic Mila, Philippe Corboz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-12-12T21:09:53Z","title":"Tensor network study of the Shastry-Sutherland model in zero magnetic field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.2983","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":"sha256:38528891ae44bcb77249ccce6929d7ce0a0e010ab0e21f03c67e0525e31e665e","target":"record","created_at":"2026-05-18T01:52:39Z","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":"fd5b4a6b8a03c427651d355abacbe68c7e7973a19d6fd17478bdd8cf888ab95f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-12-12T21:09:53Z","title_canon_sha256":"00359abaeeb810436d3c066f2fdf9f5e6858111c374200ed59f46fa376c6d789"},"schema_version":"1.0","source":{"id":"1212.2983","kind":"arxiv","version":2}},"canonical_sha256":"2a8f431a9b3f8fb3bffb2fb365cf38a68b53b957481bb5d6d82e682d398aafca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2a8f431a9b3f8fb3bffb2fb365cf38a68b53b957481bb5d6d82e682d398aafca","first_computed_at":"2026-05-18T01:52:39.261429Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:39.261429Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rjC6xtSN0AbE2VkhW/jWakoVn5tPuHPv6a86SK6f/ejMXcSlpYmXdcq3f5hfSlK5t5C8BNS4oRQC3QrSwRO/Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:39.262060Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.2983","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:38528891ae44bcb77249ccce6929d7ce0a0e010ab0e21f03c67e0525e31e665e","sha256:517d36352524eb2c8b90d2f250f814cf386499ffd5daaefa3ec470b1f71ffbad"],"state_sha256":"86cc248a3019e1dc8b48173c626759ebb0f1f55466aaa3d6989af7d1fa6be38a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0J5q4BRZybWgLh3jNMILzbT+LhoXL9MMFBihLDUs+LJZze3Py/G6qdtCHl2vyP9+9GH6KiOKLk5gtu2ZD/eYAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T18:37:06.819791Z","bundle_sha256":"34560b99e451b0eea675d50eec2fa6be958152689b862445af1d58434ea27cd1"}}