{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:W3BHB3EREHA77EHIJO25ZLYLR4","short_pith_number":"pith:W3BHB3ER","canonical_record":{"source":{"id":"1501.06178","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-01-25T16:23:49Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"62433263481977ee4ebca2586b088b7875d008a3e7d9b15693f2fd7af2b24fb7","abstract_canon_sha256":"1e780cf20bb585d0e91b575567bdc29c75f3487889ce9d8116ea9aa6570303eb"},"schema_version":"1.0"},"canonical_sha256":"b6c270ec9121c1ff90e84bb5dcaf0b8f1ea902cb28a3034c808320255b08545c","source":{"kind":"arxiv","id":"1501.06178","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.06178","created_at":"2026-05-18T01:33:48Z"},{"alias_kind":"arxiv_version","alias_value":"1501.06178v2","created_at":"2026-05-18T01:33:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.06178","created_at":"2026-05-18T01:33:48Z"},{"alias_kind":"pith_short_12","alias_value":"W3BHB3EREHA7","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"W3BHB3EREHA77EHI","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"W3BHB3ER","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:W3BHB3EREHA77EHIJO25ZLYLR4","target":"record","payload":{"canonical_record":{"source":{"id":"1501.06178","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-01-25T16:23:49Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"62433263481977ee4ebca2586b088b7875d008a3e7d9b15693f2fd7af2b24fb7","abstract_canon_sha256":"1e780cf20bb585d0e91b575567bdc29c75f3487889ce9d8116ea9aa6570303eb"},"schema_version":"1.0"},"canonical_sha256":"b6c270ec9121c1ff90e84bb5dcaf0b8f1ea902cb28a3034c808320255b08545c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:48.806263Z","signature_b64":"COuj/IwbBxNCIM2KvU2bLZM1/+3le48nSOx2o5zd1WWwhOQMIJP4ipaUy6fRf2wCpJtZt0trEu5QS9qgExiSBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b6c270ec9121c1ff90e84bb5dcaf0b8f1ea902cb28a3034c808320255b08545c","last_reissued_at":"2026-05-18T01:33:48.805678Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:48.805678Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.06178","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":"2026-05-18T01:33:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CCtKCoGxc545fzQ7yck6TBiUkW2aV8Z2E5MSC2/SoxjGSEjsjvnq3nIaQDS2miSd4rsUIctLtxoFfVmkqmSBBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T22:34:39.944381Z"},"content_sha256":"ab427d9087c60abfa3a8a644605622cca00b3269e56d9e65fbdfbde0ab124877","schema_version":"1.0","event_id":"sha256:ab427d9087c60abfa3a8a644605622cca00b3269e56d9e65fbdfbde0ab124877"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:W3BHB3EREHA77EHIJO25ZLYLR4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dimerized ground states in spin-S frustrated systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.str-el","authors_text":"C.A. Lamas, J.M. Matera","submitted_at":"2015-01-25T16:23:49Z","abstract_excerpt":"We study a family of frustrated anti-ferromagnetic spin-$S$ systems with a fully dimerized ground state. This state can be exactly obtained without the need to include any additional three-body interaction in the model. The simplest members of the family can be used as a building block to generate more complex geometries like spin tubes with a fully dimerized ground state. After present some numerical results about the phase diagram of these systems, we show that the ground state is robust against the inclusion of weak disorder in the couplings as well as several kinds of perturbations, allowi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.06178","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":"2026-05-18T01:33:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zVBRcRJdkBFci5J8NRqBKQBmzOiBs1XFpaQMRozOfLeZnsYf8+j1Rkco/u397xHqFIWFB+nL4EaBbjoBL6gNDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T22:34:39.944939Z"},"content_sha256":"0262c4d1d78a60c6d65471fbf7d80cc524874d9050bf4a9780594ea284f73436","schema_version":"1.0","event_id":"sha256:0262c4d1d78a60c6d65471fbf7d80cc524874d9050bf4a9780594ea284f73436"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W3BHB3EREHA77EHIJO25ZLYLR4/bundle.json","state_url":"https://pith.science/pith/W3BHB3EREHA77EHIJO25ZLYLR4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W3BHB3EREHA77EHIJO25ZLYLR4/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":"2026-05-30T22:34:39Z","links":{"resolver":"https://pith.science/pith/W3BHB3EREHA77EHIJO25ZLYLR4","bundle":"https://pith.science/pith/W3BHB3EREHA77EHIJO25ZLYLR4/bundle.json","state":"https://pith.science/pith/W3BHB3EREHA77EHIJO25ZLYLR4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W3BHB3EREHA77EHIJO25ZLYLR4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:W3BHB3EREHA77EHIJO25ZLYLR4","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":"1e780cf20bb585d0e91b575567bdc29c75f3487889ce9d8116ea9aa6570303eb","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-01-25T16:23:49Z","title_canon_sha256":"62433263481977ee4ebca2586b088b7875d008a3e7d9b15693f2fd7af2b24fb7"},"schema_version":"1.0","source":{"id":"1501.06178","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.06178","created_at":"2026-05-18T01:33:48Z"},{"alias_kind":"arxiv_version","alias_value":"1501.06178v2","created_at":"2026-05-18T01:33:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.06178","created_at":"2026-05-18T01:33:48Z"},{"alias_kind":"pith_short_12","alias_value":"W3BHB3EREHA7","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"W3BHB3EREHA77EHI","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"W3BHB3ER","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:0262c4d1d78a60c6d65471fbf7d80cc524874d9050bf4a9780594ea284f73436","target":"graph","created_at":"2026-05-18T01:33:48Z","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"},"paper":{"abstract_excerpt":"We study a family of frustrated anti-ferromagnetic spin-$S$ systems with a fully dimerized ground state. This state can be exactly obtained without the need to include any additional three-body interaction in the model. The simplest members of the family can be used as a building block to generate more complex geometries like spin tubes with a fully dimerized ground state. After present some numerical results about the phase diagram of these systems, we show that the ground state is robust against the inclusion of weak disorder in the couplings as well as several kinds of perturbations, allowi","authors_text":"C.A. Lamas, J.M. Matera","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-01-25T16:23:49Z","title":"Dimerized ground states in spin-S frustrated systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.06178","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:ab427d9087c60abfa3a8a644605622cca00b3269e56d9e65fbdfbde0ab124877","target":"record","created_at":"2026-05-18T01:33:48Z","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":"1e780cf20bb585d0e91b575567bdc29c75f3487889ce9d8116ea9aa6570303eb","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-01-25T16:23:49Z","title_canon_sha256":"62433263481977ee4ebca2586b088b7875d008a3e7d9b15693f2fd7af2b24fb7"},"schema_version":"1.0","source":{"id":"1501.06178","kind":"arxiv","version":2}},"canonical_sha256":"b6c270ec9121c1ff90e84bb5dcaf0b8f1ea902cb28a3034c808320255b08545c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b6c270ec9121c1ff90e84bb5dcaf0b8f1ea902cb28a3034c808320255b08545c","first_computed_at":"2026-05-18T01:33:48.805678Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:33:48.805678Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"COuj/IwbBxNCIM2KvU2bLZM1/+3le48nSOx2o5zd1WWwhOQMIJP4ipaUy6fRf2wCpJtZt0trEu5QS9qgExiSBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:33:48.806263Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.06178","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab427d9087c60abfa3a8a644605622cca00b3269e56d9e65fbdfbde0ab124877","sha256:0262c4d1d78a60c6d65471fbf7d80cc524874d9050bf4a9780594ea284f73436"],"state_sha256":"1c4dd8458bb40ed1307209c202f0a040cae0c281193012748d3227905571caf8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MZyDMOKlh4IItocJ/xS6wM36SV0QugPs+YIztLy0+nPJWuXGzqQTFm85Pm8w6FvIqhXBdtS/cJy8zO9t9rSWCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T22:34:39.949117Z","bundle_sha256":"c131b223aafc67d20c20623075c08c5793838d34406b1d4264548dbcd03d9579"}}