{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:6OVI4KX4UFQZGP5KHIFX7P6VVH","short_pith_number":"pith:6OVI4KX4","canonical_record":{"source":{"id":"1305.2663","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-05-13T02:56:39Z","cross_cats_sorted":[],"title_canon_sha256":"544303e68dd5fe6664d1a92487e090b078588cc05f3c4ac49f1ee5dc920d444a","abstract_canon_sha256":"a21139f000463ec78d35344541fae1c094349eaf68d7b8dba15c943c4bb65c00"},"schema_version":"1.0"},"canonical_sha256":"f3aa8e2afca161933faa3a0b7fbfd5a9c3e200c7b9989b9d8788abb11b5a61ff","source":{"kind":"arxiv","id":"1305.2663","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.2663","created_at":"2026-05-18T03:25:57Z"},{"alias_kind":"arxiv_version","alias_value":"1305.2663v1","created_at":"2026-05-18T03:25:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.2663","created_at":"2026-05-18T03:25:57Z"},{"alias_kind":"pith_short_12","alias_value":"6OVI4KX4UFQZ","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6OVI4KX4UFQZGP5K","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6OVI4KX4","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:6OVI4KX4UFQZGP5KHIFX7P6VVH","target":"record","payload":{"canonical_record":{"source":{"id":"1305.2663","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-05-13T02:56:39Z","cross_cats_sorted":[],"title_canon_sha256":"544303e68dd5fe6664d1a92487e090b078588cc05f3c4ac49f1ee5dc920d444a","abstract_canon_sha256":"a21139f000463ec78d35344541fae1c094349eaf68d7b8dba15c943c4bb65c00"},"schema_version":"1.0"},"canonical_sha256":"f3aa8e2afca161933faa3a0b7fbfd5a9c3e200c7b9989b9d8788abb11b5a61ff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:25:57.202475Z","signature_b64":"DcL/SAtw22tRG4j4fwB8DmQYRGN7Zmph3uk9hykXzfy9atU+wXeORO+KmUjI3YXpDZCBs3dUCXBYGBXAQsCbCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3aa8e2afca161933faa3a0b7fbfd5a9c3e200c7b9989b9d8788abb11b5a61ff","last_reissued_at":"2026-05-18T03:25:57.201742Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:25:57.201742Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.2663","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":"2026-05-18T03:25:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z0L/1rtjRJfwGD5uNiBKcPQDWjz4kbViMa/rCBHn4UuWQ+Ps/SPt2ZmsnOfM4FiS6+uO2haTBwZ/vx7Zk5fxCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:05:09.349110Z"},"content_sha256":"9ff2bfdb93db01c96e3c8b9822525c0d1b8a05a65897e3dc827759bd66d10b07","schema_version":"1.0","event_id":"sha256:9ff2bfdb93db01c96e3c8b9822525c0d1b8a05a65897e3dc827759bd66d10b07"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:6OVI4KX4UFQZGP5KHIFX7P6VVH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detection of symmetry-protected topological phases in one dimension with multiscale entanglement renormalization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Hsueh-Wen Chang, Ying-Jer Kao, Yun-Da Hsieh","submitted_at":"2013-05-13T02:56:39Z","abstract_excerpt":"Symmetry-protected topological (SPT) phases are short-range entangled quantum phases with symmetry, which have gapped excitations in the bulk and gapless modes at the edge. In this paper, we study the SPT phases in the spin-1 Heisenberg chain with a single-ion anisotropy D, which has a quantum phase transition between a Haldane phase and a large-D phase. Using symmetric multiscale entanglement renormalization ansatz (MERA) tensor networks, we study the nonlocal order parameters for time-reversal and inversion symmetry. For the inversion symmetric MERA, we propose a brick-and-rope representatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.2663","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":"2026-05-18T03:25:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5t7u1gfrDQUxtBAXOGGLhO+uNrYk7NgD2VXYFV9+IK+hyEWHQEYD/2JimWE/XLvRw5DOF9ZQzMtLUyENkuzQCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:05:09.349740Z"},"content_sha256":"dfd4e2e049ec6416fa1f56e76856aeeba86e345baeec32f3cdeb7267d7581ccb","schema_version":"1.0","event_id":"sha256:dfd4e2e049ec6416fa1f56e76856aeeba86e345baeec32f3cdeb7267d7581ccb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6OVI4KX4UFQZGP5KHIFX7P6VVH/bundle.json","state_url":"https://pith.science/pith/6OVI4KX4UFQZGP5KHIFX7P6VVH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6OVI4KX4UFQZGP5KHIFX7P6VVH/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":"2026-05-27T11:05:09Z","links":{"resolver":"https://pith.science/pith/6OVI4KX4UFQZGP5KHIFX7P6VVH","bundle":"https://pith.science/pith/6OVI4KX4UFQZGP5KHIFX7P6VVH/bundle.json","state":"https://pith.science/pith/6OVI4KX4UFQZGP5KHIFX7P6VVH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6OVI4KX4UFQZGP5KHIFX7P6VVH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:6OVI4KX4UFQZGP5KHIFX7P6VVH","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":"a21139f000463ec78d35344541fae1c094349eaf68d7b8dba15c943c4bb65c00","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-05-13T02:56:39Z","title_canon_sha256":"544303e68dd5fe6664d1a92487e090b078588cc05f3c4ac49f1ee5dc920d444a"},"schema_version":"1.0","source":{"id":"1305.2663","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.2663","created_at":"2026-05-18T03:25:57Z"},{"alias_kind":"arxiv_version","alias_value":"1305.2663v1","created_at":"2026-05-18T03:25:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.2663","created_at":"2026-05-18T03:25:57Z"},{"alias_kind":"pith_short_12","alias_value":"6OVI4KX4UFQZ","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6OVI4KX4UFQZGP5K","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6OVI4KX4","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:dfd4e2e049ec6416fa1f56e76856aeeba86e345baeec32f3cdeb7267d7581ccb","target":"graph","created_at":"2026-05-18T03:25:57Z","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":"Symmetry-protected topological (SPT) phases are short-range entangled quantum phases with symmetry, which have gapped excitations in the bulk and gapless modes at the edge. In this paper, we study the SPT phases in the spin-1 Heisenberg chain with a single-ion anisotropy D, which has a quantum phase transition between a Haldane phase and a large-D phase. Using symmetric multiscale entanglement renormalization ansatz (MERA) tensor networks, we study the nonlocal order parameters for time-reversal and inversion symmetry. For the inversion symmetric MERA, we propose a brick-and-rope representatio","authors_text":"Hsueh-Wen Chang, Ying-Jer Kao, Yun-Da Hsieh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-05-13T02:56:39Z","title":"Detection of symmetry-protected topological phases in one dimension with multiscale entanglement renormalization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.2663","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":"sha256:9ff2bfdb93db01c96e3c8b9822525c0d1b8a05a65897e3dc827759bd66d10b07","target":"record","created_at":"2026-05-18T03:25:57Z","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":"a21139f000463ec78d35344541fae1c094349eaf68d7b8dba15c943c4bb65c00","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-05-13T02:56:39Z","title_canon_sha256":"544303e68dd5fe6664d1a92487e090b078588cc05f3c4ac49f1ee5dc920d444a"},"schema_version":"1.0","source":{"id":"1305.2663","kind":"arxiv","version":1}},"canonical_sha256":"f3aa8e2afca161933faa3a0b7fbfd5a9c3e200c7b9989b9d8788abb11b5a61ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f3aa8e2afca161933faa3a0b7fbfd5a9c3e200c7b9989b9d8788abb11b5a61ff","first_computed_at":"2026-05-18T03:25:57.201742Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:25:57.201742Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DcL/SAtw22tRG4j4fwB8DmQYRGN7Zmph3uk9hykXzfy9atU+wXeORO+KmUjI3YXpDZCBs3dUCXBYGBXAQsCbCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:25:57.202475Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.2663","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9ff2bfdb93db01c96e3c8b9822525c0d1b8a05a65897e3dc827759bd66d10b07","sha256:dfd4e2e049ec6416fa1f56e76856aeeba86e345baeec32f3cdeb7267d7581ccb"],"state_sha256":"cae737157c594c950f595fd0532322c46818007295bd2e0049b61ff406516ed7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zceJG24XneLLt6fd79YlOzQ/VDhd0LHxxT98ie4Y+vThIAN2FnkaeHPLaZJJOQsylcOEEMzRdnebS6v6b2aZDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T11:05:09.353944Z","bundle_sha256":"80371fd1756c96349a03fe853ebb626f30e5502741deb858b5af3b5e2a480a0b"}}