{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:WIJDJFJ55BUR6YLFLCG7MGBXDO","short_pith_number":"pith:WIJDJFJ5","canonical_record":{"source":{"id":"1104.1302","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-04-07T11:14:01Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"a1c71fc5ed145bcd5e9aa2ef224c389270595abd97bdfc87e58a06612fe4ce09","abstract_canon_sha256":"8e3c3aca1e0c3e448a823666351649e3910f562c7d2c15f4568d0161cce117cd"},"schema_version":"1.0"},"canonical_sha256":"b21234953de8691f6165588df618371b871b603b455b2bd039cb386f6042c3cf","source":{"kind":"arxiv","id":"1104.1302","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.1302","created_at":"2026-05-18T04:24:52Z"},{"alias_kind":"arxiv_version","alias_value":"1104.1302v1","created_at":"2026-05-18T04:24:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.1302","created_at":"2026-05-18T04:24:52Z"},{"alias_kind":"pith_short_12","alias_value":"WIJDJFJ55BUR","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"WIJDJFJ55BUR6YLF","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"WIJDJFJ5","created_at":"2026-05-18T12:26:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:WIJDJFJ55BUR6YLFLCG7MGBXDO","target":"record","payload":{"canonical_record":{"source":{"id":"1104.1302","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-04-07T11:14:01Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"a1c71fc5ed145bcd5e9aa2ef224c389270595abd97bdfc87e58a06612fe4ce09","abstract_canon_sha256":"8e3c3aca1e0c3e448a823666351649e3910f562c7d2c15f4568d0161cce117cd"},"schema_version":"1.0"},"canonical_sha256":"b21234953de8691f6165588df618371b871b603b455b2bd039cb386f6042c3cf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:24:52.507137Z","signature_b64":"0CJuKu58xMJ8RWz3wocB+QYVUAGLLvE8NaWYGltvRUjOg9LjBZy3B+BO4qBOtERpdrDReEfCCO3joTVF7Ro4Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b21234953de8691f6165588df618371b871b603b455b2bd039cb386f6042c3cf","last_reissued_at":"2026-05-18T04:24:52.506669Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:24:52.506669Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.1302","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":"2026-05-18T04:24:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2Dyl+Ku7d+NQufOKz+WXJTYOa1DOGS2VXt+6QZ8rtcaqh3YQVVpCgYjZFEbtp9H5lRav83IBluGbgdrfegRYDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:12:11.956658Z"},"content_sha256":"f6c929ce6239fe638e344dd4db3263331beb1eabf0ef93e240b96d1d49ab5c41","schema_version":"1.0","event_id":"sha256:f6c929ce6239fe638e344dd4db3263331beb1eabf0ef93e240b96d1d49ab5c41"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:WIJDJFJ55BUR6YLFLCG7MGBXDO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The effect of atomic-scale defects and dopants on graphene electronic structure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Gian Franco Tantardini, Rocco Martinazzo, Simone Casolo","submitted_at":"2011-04-07T11:14:01Z","abstract_excerpt":"Graphene, being one-atom thick, is extremely sensitive to the presence of adsorbed atoms and molecules and, more generally, to defects such as vacancies, holes and/or substitutional dopants. This property, apart from being directly usable in molecular sensor devices, can also be employed to tune graphene electronic properties. Here we briefly review the basic features of atomic-scale defects that can be useful for material design. After a brief introduction on isolated $p_z$ defects, we analyse the electronic structure of multiple defective graphene substrates, and show how to predict the pres"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.1302","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":"2026-05-18T04:24:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fRX/WC2VSKwi1Ue/H1e0zbzWKTMFMFH1kj/Nwu5eCr6pvjRh7WtvzRFgyaaSOVUas2YOwiq5OMmzyn2npB8jAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:12:11.957467Z"},"content_sha256":"849a8b9a923c8189b686563190368fbb7477c7cd1c1195c658e4141bb7185901","schema_version":"1.0","event_id":"sha256:849a8b9a923c8189b686563190368fbb7477c7cd1c1195c658e4141bb7185901"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WIJDJFJ55BUR6YLFLCG7MGBXDO/bundle.json","state_url":"https://pith.science/pith/WIJDJFJ55BUR6YLFLCG7MGBXDO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WIJDJFJ55BUR6YLFLCG7MGBXDO/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":"2026-06-01T02:12:11Z","links":{"resolver":"https://pith.science/pith/WIJDJFJ55BUR6YLFLCG7MGBXDO","bundle":"https://pith.science/pith/WIJDJFJ55BUR6YLFLCG7MGBXDO/bundle.json","state":"https://pith.science/pith/WIJDJFJ55BUR6YLFLCG7MGBXDO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WIJDJFJ55BUR6YLFLCG7MGBXDO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:WIJDJFJ55BUR6YLFLCG7MGBXDO","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":"8e3c3aca1e0c3e448a823666351649e3910f562c7d2c15f4568d0161cce117cd","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-04-07T11:14:01Z","title_canon_sha256":"a1c71fc5ed145bcd5e9aa2ef224c389270595abd97bdfc87e58a06612fe4ce09"},"schema_version":"1.0","source":{"id":"1104.1302","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.1302","created_at":"2026-05-18T04:24:52Z"},{"alias_kind":"arxiv_version","alias_value":"1104.1302v1","created_at":"2026-05-18T04:24:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.1302","created_at":"2026-05-18T04:24:52Z"},{"alias_kind":"pith_short_12","alias_value":"WIJDJFJ55BUR","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"WIJDJFJ55BUR6YLF","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"WIJDJFJ5","created_at":"2026-05-18T12:26:44Z"}],"graph_snapshots":[{"event_id":"sha256:849a8b9a923c8189b686563190368fbb7477c7cd1c1195c658e4141bb7185901","target":"graph","created_at":"2026-05-18T04:24:52Z","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":"Graphene, being one-atom thick, is extremely sensitive to the presence of adsorbed atoms and molecules and, more generally, to defects such as vacancies, holes and/or substitutional dopants. This property, apart from being directly usable in molecular sensor devices, can also be employed to tune graphene electronic properties. Here we briefly review the basic features of atomic-scale defects that can be useful for material design. After a brief introduction on isolated $p_z$ defects, we analyse the electronic structure of multiple defective graphene substrates, and show how to predict the pres","authors_text":"Gian Franco Tantardini, Rocco Martinazzo, Simone Casolo","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-04-07T11:14:01Z","title":"The effect of atomic-scale defects and dopants on graphene electronic structure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.1302","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:f6c929ce6239fe638e344dd4db3263331beb1eabf0ef93e240b96d1d49ab5c41","target":"record","created_at":"2026-05-18T04:24:52Z","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":"8e3c3aca1e0c3e448a823666351649e3910f562c7d2c15f4568d0161cce117cd","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-04-07T11:14:01Z","title_canon_sha256":"a1c71fc5ed145bcd5e9aa2ef224c389270595abd97bdfc87e58a06612fe4ce09"},"schema_version":"1.0","source":{"id":"1104.1302","kind":"arxiv","version":1}},"canonical_sha256":"b21234953de8691f6165588df618371b871b603b455b2bd039cb386f6042c3cf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b21234953de8691f6165588df618371b871b603b455b2bd039cb386f6042c3cf","first_computed_at":"2026-05-18T04:24:52.506669Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:24:52.506669Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0CJuKu58xMJ8RWz3wocB+QYVUAGLLvE8NaWYGltvRUjOg9LjBZy3B+BO4qBOtERpdrDReEfCCO3joTVF7Ro4Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:24:52.507137Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.1302","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f6c929ce6239fe638e344dd4db3263331beb1eabf0ef93e240b96d1d49ab5c41","sha256:849a8b9a923c8189b686563190368fbb7477c7cd1c1195c658e4141bb7185901"],"state_sha256":"c3db380e6f4f11958c09215b896c08511a00cb4dfee36dbf14b6beddbf78c6dc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gWB/mGTawbQqxMlHt4criMWFUyHCSFIJfaqZeBW1ELo+vytJifdJf5i+TyEd/WSnWLXQDxOIRfJm8eFnkQFRDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T02:12:11.961896Z","bundle_sha256":"21984d689164c1f351bd321bea1560b1f60e7338d52effbf470c2e96d4a99dfa"}}