{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:ZB6WCTLBTEPZXZ47JC2OAAG2FD","short_pith_number":"pith:ZB6WCTLB","canonical_record":{"source":{"id":"1209.0555","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-09-04T07:53:10Z","cross_cats_sorted":[],"title_canon_sha256":"ce9b820e8878be41a96ebec5da554078ae52698151edc92444b149bc88faa763","abstract_canon_sha256":"6e362adf6b0dac9929e738c9c2c68b71eefeb969224e21e1d2a36aed2332dc17"},"schema_version":"1.0"},"canonical_sha256":"c87d614d61991f9be79f48b4e000da28e3afa70be91d71586708dc9bfb80974b","source":{"kind":"arxiv","id":"1209.0555","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.0555","created_at":"2026-05-18T03:46:17Z"},{"alias_kind":"arxiv_version","alias_value":"1209.0555v1","created_at":"2026-05-18T03:46:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.0555","created_at":"2026-05-18T03:46:17Z"},{"alias_kind":"pith_short_12","alias_value":"ZB6WCTLBTEPZ","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"ZB6WCTLBTEPZXZ47","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"ZB6WCTLB","created_at":"2026-05-18T12:27:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:ZB6WCTLBTEPZXZ47JC2OAAG2FD","target":"record","payload":{"canonical_record":{"source":{"id":"1209.0555","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-09-04T07:53:10Z","cross_cats_sorted":[],"title_canon_sha256":"ce9b820e8878be41a96ebec5da554078ae52698151edc92444b149bc88faa763","abstract_canon_sha256":"6e362adf6b0dac9929e738c9c2c68b71eefeb969224e21e1d2a36aed2332dc17"},"schema_version":"1.0"},"canonical_sha256":"c87d614d61991f9be79f48b4e000da28e3afa70be91d71586708dc9bfb80974b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:46:17.826936Z","signature_b64":"+M1bOIsr5KNoARbx2BDtI9BuHibZpCNU14dAS7x5y1ZF20a2zUuooRSq6oOdzrHve31g37eRGDEiKDVG2DViDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c87d614d61991f9be79f48b4e000da28e3afa70be91d71586708dc9bfb80974b","last_reissued_at":"2026-05-18T03:46:17.826325Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:46:17.826325Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.0555","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":"2026-05-18T03:46:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nQ9pcC37LFeCCWQ9Kw90pU4gDI5yt3SumPxVQ3w+vyhaccm5HrA5Kr4IkfYKZ6dMfKTqrzHf7ztAzItKIrExDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T15:26:01.452216Z"},"content_sha256":"9e39844e7de5683ea5d8d5d2919507c2de2b6e07ad100368ea3dfa50b6801517","schema_version":"1.0","event_id":"sha256:9e39844e7de5683ea5d8d5d2919507c2de2b6e07ad100368ea3dfa50b6801517"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:ZB6WCTLBTEPZXZ47JC2OAAG2FD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electronic structure and optical properties of Graphene Monoxide","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Gui Yang, Xunwang Yan, Yufeng Zhang","submitted_at":"2012-09-04T07:53:10Z","abstract_excerpt":"The electronic and optical properties of graphene monoxide, a new type of semiconductor materials, are first theoretically studied based on density functional theory. Electronic calculations show that the band gap is 0.952 eV which indicate that graphene monoxide is a direct band gap semiconductor. The density of states of graphene monoxide and the partial density of states for C and O are given to understand the electronic structure. In addition, we calculate the optical properties of graphene monoxide including the complex dielectric function, absorption coefficient, the complex refractive i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.0555","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":"2026-05-18T03:46:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CNRt6nWpSIScKuMoqEhbBpyQ0aPCdSPqUV7VvJkLkHHsTxtKkOXyIneX7i5UseNOPP/nWruQtIz7fokkni0+CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T15:26:01.452602Z"},"content_sha256":"32644423e441b34a9c0689f849894f0b5fe5894521f192fa4ddc8acff33d90d9","schema_version":"1.0","event_id":"sha256:32644423e441b34a9c0689f849894f0b5fe5894521f192fa4ddc8acff33d90d9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZB6WCTLBTEPZXZ47JC2OAAG2FD/bundle.json","state_url":"https://pith.science/pith/ZB6WCTLBTEPZXZ47JC2OAAG2FD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZB6WCTLBTEPZXZ47JC2OAAG2FD/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":"2026-06-27T15:26:01Z","links":{"resolver":"https://pith.science/pith/ZB6WCTLBTEPZXZ47JC2OAAG2FD","bundle":"https://pith.science/pith/ZB6WCTLBTEPZXZ47JC2OAAG2FD/bundle.json","state":"https://pith.science/pith/ZB6WCTLBTEPZXZ47JC2OAAG2FD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZB6WCTLBTEPZXZ47JC2OAAG2FD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:ZB6WCTLBTEPZXZ47JC2OAAG2FD","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":"6e362adf6b0dac9929e738c9c2c68b71eefeb969224e21e1d2a36aed2332dc17","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-09-04T07:53:10Z","title_canon_sha256":"ce9b820e8878be41a96ebec5da554078ae52698151edc92444b149bc88faa763"},"schema_version":"1.0","source":{"id":"1209.0555","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.0555","created_at":"2026-05-18T03:46:17Z"},{"alias_kind":"arxiv_version","alias_value":"1209.0555v1","created_at":"2026-05-18T03:46:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.0555","created_at":"2026-05-18T03:46:17Z"},{"alias_kind":"pith_short_12","alias_value":"ZB6WCTLBTEPZ","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"ZB6WCTLBTEPZXZ47","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"ZB6WCTLB","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:32644423e441b34a9c0689f849894f0b5fe5894521f192fa4ddc8acff33d90d9","target":"graph","created_at":"2026-05-18T03:46:17Z","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":"The electronic and optical properties of graphene monoxide, a new type of semiconductor materials, are first theoretically studied based on density functional theory. Electronic calculations show that the band gap is 0.952 eV which indicate that graphene monoxide is a direct band gap semiconductor. The density of states of graphene monoxide and the partial density of states for C and O are given to understand the electronic structure. In addition, we calculate the optical properties of graphene monoxide including the complex dielectric function, absorption coefficient, the complex refractive i","authors_text":"Gui Yang, Xunwang Yan, Yufeng Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-09-04T07:53:10Z","title":"Electronic structure and optical properties of Graphene Monoxide"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.0555","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":"sha256:9e39844e7de5683ea5d8d5d2919507c2de2b6e07ad100368ea3dfa50b6801517","target":"record","created_at":"2026-05-18T03:46:17Z","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":"6e362adf6b0dac9929e738c9c2c68b71eefeb969224e21e1d2a36aed2332dc17","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-09-04T07:53:10Z","title_canon_sha256":"ce9b820e8878be41a96ebec5da554078ae52698151edc92444b149bc88faa763"},"schema_version":"1.0","source":{"id":"1209.0555","kind":"arxiv","version":1}},"canonical_sha256":"c87d614d61991f9be79f48b4e000da28e3afa70be91d71586708dc9bfb80974b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c87d614d61991f9be79f48b4e000da28e3afa70be91d71586708dc9bfb80974b","first_computed_at":"2026-05-18T03:46:17.826325Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:46:17.826325Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+M1bOIsr5KNoARbx2BDtI9BuHibZpCNU14dAS7x5y1ZF20a2zUuooRSq6oOdzrHve31g37eRGDEiKDVG2DViDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:46:17.826936Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.0555","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e39844e7de5683ea5d8d5d2919507c2de2b6e07ad100368ea3dfa50b6801517","sha256:32644423e441b34a9c0689f849894f0b5fe5894521f192fa4ddc8acff33d90d9"],"state_sha256":"c119bf3c3a4ed7e0e1441f389d869139d95d8597007fda3313012612a4b3bc83"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G+CWBsBLL2BKEQ7UKz1MX1ef437fqR4jzXIydQOp9a5yRRcskUxJIE4R1DIsrRt8Fd1sG3uzLudNnxUDEcG3BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T15:26:01.454648Z","bundle_sha256":"eb37b0d11d8e7916babbbd6da93b951d4270fd304b241db0111700c5f1e016fd"}}