{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:OJZA66QP47MENGNW7YIWOBCYO5","short_pith_number":"pith:OJZA66QP","canonical_record":{"source":{"id":"1806.04810","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-13T01:17:20Z","cross_cats_sorted":[],"title_canon_sha256":"4f0b69ac009b242c433b8ba4020690079548153825a99f20af84505c0be7cfe0","abstract_canon_sha256":"532313d3b9fa833b17a8d6d01cff1ff1a12fff30be45f0be25fd226eb9f96a80"},"schema_version":"1.0"},"canonical_sha256":"72720f7a0fe7d84699b6fe11670458777e0c024608485def4071005c54fc52f3","source":{"kind":"arxiv","id":"1806.04810","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.04810","created_at":"2026-05-18T00:13:20Z"},{"alias_kind":"arxiv_version","alias_value":"1806.04810v1","created_at":"2026-05-18T00:13:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.04810","created_at":"2026-05-18T00:13:20Z"},{"alias_kind":"pith_short_12","alias_value":"OJZA66QP47ME","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"OJZA66QP47MENGNW","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"OJZA66QP","created_at":"2026-05-18T12:32:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:OJZA66QP47MENGNW7YIWOBCYO5","target":"record","payload":{"canonical_record":{"source":{"id":"1806.04810","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-13T01:17:20Z","cross_cats_sorted":[],"title_canon_sha256":"4f0b69ac009b242c433b8ba4020690079548153825a99f20af84505c0be7cfe0","abstract_canon_sha256":"532313d3b9fa833b17a8d6d01cff1ff1a12fff30be45f0be25fd226eb9f96a80"},"schema_version":"1.0"},"canonical_sha256":"72720f7a0fe7d84699b6fe11670458777e0c024608485def4071005c54fc52f3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:13:20.830564Z","signature_b64":"Z2TCIWrAWZx8g/+yid0A0solXNwZ4qQcXFfjvHAzuiXnSvUxe61eqgULVjbDU3+ddMFobITTPGLcFzqHJEGVAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"72720f7a0fe7d84699b6fe11670458777e0c024608485def4071005c54fc52f3","last_reissued_at":"2026-05-18T00:13:20.830050Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:13:20.830050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.04810","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":"2026-05-18T00:13:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JPdufuG8PBxDEot+8GXPftq6558Ye8ERDWkuEWhgoKSz9QJ5veZJDOfy//R4xHmqFynGFuqOmDcAvS5GYLSxAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T12:14:03.292364Z"},"content_sha256":"0ac15cda5324505412193f829021ec2a3088c8961db0d8ae63e94398797dc2e7","schema_version":"1.0","event_id":"sha256:0ac15cda5324505412193f829021ec2a3088c8961db0d8ae63e94398797dc2e7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:OJZA66QP47MENGNW7YIWOBCYO5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Formation of localized magnetic states in graphene in hollow-site adsorbed adatoms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. Juan, F. Escudero, J. S. Ardenghi, L. Sourrouille, P. Jasen","submitted_at":"2018-06-13T01:17:20Z","abstract_excerpt":"By applying tight binding model of adatoms in graphene, we study theoretically the localized aspects of the interaction between transition metal atoms and graphene. Considering the electron-electron interaction by adding a Hubbard term in the mean-field approximation, we find the spin-polarized localized and total density of states. We obtain the coupled system of equations for the occupation number for each spin in the impurity and we study the fixed points of the solutions. By comparing the top site and hollow site adsorption, we show that the anomalous broadening of the latter allows to obt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.04810","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":"2026-05-18T00:13:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eDyT22d2EP8hKPY+KpXGtIjj2Krq6aa5edRdRSOpNkuPHPvQeK/VRP9OujU/VhGdnUzA4aPpd17o5gOk+oqNAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T12:14:03.293096Z"},"content_sha256":"b9d3501ddb8abada428ee3fb5fd47a3c2c654dc8273cefa3e4879de09ad7f2a6","schema_version":"1.0","event_id":"sha256:b9d3501ddb8abada428ee3fb5fd47a3c2c654dc8273cefa3e4879de09ad7f2a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OJZA66QP47MENGNW7YIWOBCYO5/bundle.json","state_url":"https://pith.science/pith/OJZA66QP47MENGNW7YIWOBCYO5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OJZA66QP47MENGNW7YIWOBCYO5/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":"2026-06-10T12:14:03Z","links":{"resolver":"https://pith.science/pith/OJZA66QP47MENGNW7YIWOBCYO5","bundle":"https://pith.science/pith/OJZA66QP47MENGNW7YIWOBCYO5/bundle.json","state":"https://pith.science/pith/OJZA66QP47MENGNW7YIWOBCYO5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OJZA66QP47MENGNW7YIWOBCYO5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:OJZA66QP47MENGNW7YIWOBCYO5","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":"532313d3b9fa833b17a8d6d01cff1ff1a12fff30be45f0be25fd226eb9f96a80","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-13T01:17:20Z","title_canon_sha256":"4f0b69ac009b242c433b8ba4020690079548153825a99f20af84505c0be7cfe0"},"schema_version":"1.0","source":{"id":"1806.04810","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.04810","created_at":"2026-05-18T00:13:20Z"},{"alias_kind":"arxiv_version","alias_value":"1806.04810v1","created_at":"2026-05-18T00:13:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.04810","created_at":"2026-05-18T00:13:20Z"},{"alias_kind":"pith_short_12","alias_value":"OJZA66QP47ME","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"OJZA66QP47MENGNW","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"OJZA66QP","created_at":"2026-05-18T12:32:43Z"}],"graph_snapshots":[{"event_id":"sha256:b9d3501ddb8abada428ee3fb5fd47a3c2c654dc8273cefa3e4879de09ad7f2a6","target":"graph","created_at":"2026-05-18T00:13:20Z","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":"By applying tight binding model of adatoms in graphene, we study theoretically the localized aspects of the interaction between transition metal atoms and graphene. Considering the electron-electron interaction by adding a Hubbard term in the mean-field approximation, we find the spin-polarized localized and total density of states. We obtain the coupled system of equations for the occupation number for each spin in the impurity and we study the fixed points of the solutions. By comparing the top site and hollow site adsorption, we show that the anomalous broadening of the latter allows to obt","authors_text":"A. Juan, F. Escudero, J. S. Ardenghi, L. Sourrouille, P. Jasen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-13T01:17:20Z","title":"Formation of localized magnetic states in graphene in hollow-site adsorbed adatoms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.04810","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":"sha256:0ac15cda5324505412193f829021ec2a3088c8961db0d8ae63e94398797dc2e7","target":"record","created_at":"2026-05-18T00:13:20Z","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":"532313d3b9fa833b17a8d6d01cff1ff1a12fff30be45f0be25fd226eb9f96a80","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-13T01:17:20Z","title_canon_sha256":"4f0b69ac009b242c433b8ba4020690079548153825a99f20af84505c0be7cfe0"},"schema_version":"1.0","source":{"id":"1806.04810","kind":"arxiv","version":1}},"canonical_sha256":"72720f7a0fe7d84699b6fe11670458777e0c024608485def4071005c54fc52f3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"72720f7a0fe7d84699b6fe11670458777e0c024608485def4071005c54fc52f3","first_computed_at":"2026-05-18T00:13:20.830050Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:13:20.830050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z2TCIWrAWZx8g/+yid0A0solXNwZ4qQcXFfjvHAzuiXnSvUxe61eqgULVjbDU3+ddMFobITTPGLcFzqHJEGVAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:13:20.830564Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.04810","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0ac15cda5324505412193f829021ec2a3088c8961db0d8ae63e94398797dc2e7","sha256:b9d3501ddb8abada428ee3fb5fd47a3c2c654dc8273cefa3e4879de09ad7f2a6"],"state_sha256":"383872c8f622c173f89ef0765bb68d3d1f28777c6ab5fdd774c3d315941b8568"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BqQprSl0cLD4S1Db17SxToJLheuylOGpoqmxnU4WP0+RxApr7JmxgHIGxfCKByPaiyko1woaXbNZE6VNcdnNCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T12:14:03.297200Z","bundle_sha256":"7f260c5e0ea88ac10317451a7feacc9230fe7b3f9201ef1ba4c89bf3ea3d883f"}}