{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:FXA6VLZZLH3IJDMZSG62N3INHN","short_pith_number":"pith:FXA6VLZZ","canonical_record":{"source":{"id":"1402.0667","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-02-04T09:12:58Z","cross_cats_sorted":[],"title_canon_sha256":"bb35eee817c92f142787a6c36ff6315a08df793a8b78749ce7948e1cc1fd575f","abstract_canon_sha256":"31b5f8c0f0ca3b9aac51db953d9f11a37aae58912f860a2d0005de42fd4996e3"},"schema_version":"1.0"},"canonical_sha256":"2dc1eaaf3959f6848d9991bda6ed0d3b65be0245dd488ad6a2de56ea08940dd0","source":{"kind":"arxiv","id":"1402.0667","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.0667","created_at":"2026-05-18T02:49:11Z"},{"alias_kind":"arxiv_version","alias_value":"1402.0667v2","created_at":"2026-05-18T02:49:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.0667","created_at":"2026-05-18T02:49:11Z"},{"alias_kind":"pith_short_12","alias_value":"FXA6VLZZLH3I","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"FXA6VLZZLH3IJDMZ","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"FXA6VLZZ","created_at":"2026-05-18T12:28:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:FXA6VLZZLH3IJDMZSG62N3INHN","target":"record","payload":{"canonical_record":{"source":{"id":"1402.0667","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-02-04T09:12:58Z","cross_cats_sorted":[],"title_canon_sha256":"bb35eee817c92f142787a6c36ff6315a08df793a8b78749ce7948e1cc1fd575f","abstract_canon_sha256":"31b5f8c0f0ca3b9aac51db953d9f11a37aae58912f860a2d0005de42fd4996e3"},"schema_version":"1.0"},"canonical_sha256":"2dc1eaaf3959f6848d9991bda6ed0d3b65be0245dd488ad6a2de56ea08940dd0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:49:11.961072Z","signature_b64":"B4dxPvT28WDVzeZKMs+teIGt7mmzNOFuNNaCejKcc7gFfMnzpGaiwMUXHgxSrXrEdDnNv6D/Tl899yzS3jWwBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2dc1eaaf3959f6848d9991bda6ed0d3b65be0245dd488ad6a2de56ea08940dd0","last_reissued_at":"2026-05-18T02:49:11.960534Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:49:11.960534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.0667","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":"2026-05-18T02:49:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H/WAffD29ZrBcHFd6oFI9PmvkcFFZGtgHlf2unBglOyTN89GC5whCE7zslUC+v3vCtxKuR2wZyOTkxS+oWrSDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T19:41:12.006359Z"},"content_sha256":"797fc65279d6629cbb1a9e860ecf6c4978f20b53f211d062775ec1e00c22a6a0","schema_version":"1.0","event_id":"sha256:797fc65279d6629cbb1a9e860ecf6c4978f20b53f211d062775ec1e00c22a6a0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:FXA6VLZZLH3IJDMZSG62N3INHN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quenching the Haldane gap in spin-1 Heisenberg antiferromagnets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Keola Wierschem, Pinaki Sengupta","submitted_at":"2014-02-04T09:12:58Z","abstract_excerpt":"We consider a quasi-one-dimensional system of spin-1 Heisenberg antiferromagnetic chains in 2D and 3D hypercubic lattices with interchain coupling $J$ and uniaxial single-ion anisotropy $D$. Using large scale numerical simulations, we map out the $J-D$ phase diagram and investigate the low lying excitations of the Haldane phase in the $J\\ll1$ limit. We also provide direct evidence that the Haldane phase remains a non-trivial symmetry protected topological state for small but finite $J$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.0667","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":"2026-05-18T02:49:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z5EoNnRdtqH6FOtet0+BwjR/g0TTbJbLbC80jAGSmduiJ0FN0T6z3jboXqi3VHLjPwX3OLWGNH8gAakz9ZUjBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T19:41:12.007044Z"},"content_sha256":"d94985b2a29941b6320c5d65d77ace80e063af6ea0a32cc97a43bbad2afbc1ad","schema_version":"1.0","event_id":"sha256:d94985b2a29941b6320c5d65d77ace80e063af6ea0a32cc97a43bbad2afbc1ad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FXA6VLZZLH3IJDMZSG62N3INHN/bundle.json","state_url":"https://pith.science/pith/FXA6VLZZLH3IJDMZSG62N3INHN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FXA6VLZZLH3IJDMZSG62N3INHN/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":"2026-06-09T19:41:12Z","links":{"resolver":"https://pith.science/pith/FXA6VLZZLH3IJDMZSG62N3INHN","bundle":"https://pith.science/pith/FXA6VLZZLH3IJDMZSG62N3INHN/bundle.json","state":"https://pith.science/pith/FXA6VLZZLH3IJDMZSG62N3INHN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FXA6VLZZLH3IJDMZSG62N3INHN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:FXA6VLZZLH3IJDMZSG62N3INHN","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":"31b5f8c0f0ca3b9aac51db953d9f11a37aae58912f860a2d0005de42fd4996e3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-02-04T09:12:58Z","title_canon_sha256":"bb35eee817c92f142787a6c36ff6315a08df793a8b78749ce7948e1cc1fd575f"},"schema_version":"1.0","source":{"id":"1402.0667","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.0667","created_at":"2026-05-18T02:49:11Z"},{"alias_kind":"arxiv_version","alias_value":"1402.0667v2","created_at":"2026-05-18T02:49:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.0667","created_at":"2026-05-18T02:49:11Z"},{"alias_kind":"pith_short_12","alias_value":"FXA6VLZZLH3I","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"FXA6VLZZLH3IJDMZ","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"FXA6VLZZ","created_at":"2026-05-18T12:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:d94985b2a29941b6320c5d65d77ace80e063af6ea0a32cc97a43bbad2afbc1ad","target":"graph","created_at":"2026-05-18T02:49:11Z","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 consider a quasi-one-dimensional system of spin-1 Heisenberg antiferromagnetic chains in 2D and 3D hypercubic lattices with interchain coupling $J$ and uniaxial single-ion anisotropy $D$. Using large scale numerical simulations, we map out the $J-D$ phase diagram and investigate the low lying excitations of the Haldane phase in the $J\\ll1$ limit. We also provide direct evidence that the Haldane phase remains a non-trivial symmetry protected topological state for small but finite $J$.","authors_text":"Keola Wierschem, Pinaki Sengupta","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-02-04T09:12:58Z","title":"Quenching the Haldane gap in spin-1 Heisenberg antiferromagnets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.0667","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":"sha256:797fc65279d6629cbb1a9e860ecf6c4978f20b53f211d062775ec1e00c22a6a0","target":"record","created_at":"2026-05-18T02:49:11Z","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":"31b5f8c0f0ca3b9aac51db953d9f11a37aae58912f860a2d0005de42fd4996e3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-02-04T09:12:58Z","title_canon_sha256":"bb35eee817c92f142787a6c36ff6315a08df793a8b78749ce7948e1cc1fd575f"},"schema_version":"1.0","source":{"id":"1402.0667","kind":"arxiv","version":2}},"canonical_sha256":"2dc1eaaf3959f6848d9991bda6ed0d3b65be0245dd488ad6a2de56ea08940dd0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2dc1eaaf3959f6848d9991bda6ed0d3b65be0245dd488ad6a2de56ea08940dd0","first_computed_at":"2026-05-18T02:49:11.960534Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:49:11.960534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"B4dxPvT28WDVzeZKMs+teIGt7mmzNOFuNNaCejKcc7gFfMnzpGaiwMUXHgxSrXrEdDnNv6D/Tl899yzS3jWwBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:49:11.961072Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.0667","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:797fc65279d6629cbb1a9e860ecf6c4978f20b53f211d062775ec1e00c22a6a0","sha256:d94985b2a29941b6320c5d65d77ace80e063af6ea0a32cc97a43bbad2afbc1ad"],"state_sha256":"dd795d754e661ba2bd67cf4f33d49edc6ca61ec4712d617faaf452746339841c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/Jr1cVgVOL/ftNrMUgwr2uOj3aYLiSE4lmBmzwowGqRpsCuI3ktTVCodF1/JdfyK8D52bfKlxx5XuyGFnbZWCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T19:41:12.010990Z","bundle_sha256":"62d35b37f3a66a6a7ed5d3f6bcb69ee0694f96dde8217cc53c89cc37546137fc"}}