{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:XHYI5P4DEFGOIXFEU6WHYOCJMH","short_pith_number":"pith:XHYI5P4D","canonical_record":{"source":{"id":"1105.4074","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-05-20T12:46:16Z","cross_cats_sorted":[],"title_canon_sha256":"0c006c89b1a4cb66d72f19667536106097895d064b2b84095678c2718ddc6331","abstract_canon_sha256":"a72689b2496958abc113545492545d0a6e762dede063d62ac4736885df50caef"},"schema_version":"1.0"},"canonical_sha256":"b9f08ebf83214ce45ca4a7ac7c384961cfa2b465a00d8dc98f55a06d52547757","source":{"kind":"arxiv","id":"1105.4074","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.4074","created_at":"2026-05-18T04:15:59Z"},{"alias_kind":"arxiv_version","alias_value":"1105.4074v2","created_at":"2026-05-18T04:15:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.4074","created_at":"2026-05-18T04:15:59Z"},{"alias_kind":"pith_short_12","alias_value":"XHYI5P4DEFGO","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"XHYI5P4DEFGOIXFE","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"XHYI5P4D","created_at":"2026-05-18T12:26:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:XHYI5P4DEFGOIXFEU6WHYOCJMH","target":"record","payload":{"canonical_record":{"source":{"id":"1105.4074","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-05-20T12:46:16Z","cross_cats_sorted":[],"title_canon_sha256":"0c006c89b1a4cb66d72f19667536106097895d064b2b84095678c2718ddc6331","abstract_canon_sha256":"a72689b2496958abc113545492545d0a6e762dede063d62ac4736885df50caef"},"schema_version":"1.0"},"canonical_sha256":"b9f08ebf83214ce45ca4a7ac7c384961cfa2b465a00d8dc98f55a06d52547757","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:15:59.279394Z","signature_b64":"H2NJ6QrgqT9Z+vYoNgp2gmxenRXQEavB+PlbANRxMJwVs3b9jLZa/dkxuQVj9NXZlMRYWP4fBtLLgHK8kSiCCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b9f08ebf83214ce45ca4a7ac7c384961cfa2b465a00d8dc98f55a06d52547757","last_reissued_at":"2026-05-18T04:15:59.278614Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:15:59.278614Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.4074","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":"2026-05-18T04:15:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D2V05ePJ5rCPTqVagt5bkgl3wacp1cEt6ZmxNZhkf0xMLZwrksVfAuCANMHpxfDb9D/QIwA9uOXog00vvxiyDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T10:21:00.876274Z"},"content_sha256":"330933b6d3c170e9eb75a34d404c514c179636b36448e0307e287498a0b4c20c","schema_version":"1.0","event_id":"sha256:330933b6d3c170e9eb75a34d404c514c179636b36448e0307e287498a0b4c20c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:XHYI5P4DEFGOIXFEU6WHYOCJMH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Graphene on Ir(111) characterized by angle-resolved photoemission","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. T. N'Diaye, C. Busse, I. Pletikosic, I. Vobornik, J. Fujii, M. Kralj, M. Milun, M. Petrovic, P. Pervan, T. Michely","submitted_at":"2011-05-20T12:46:16Z","abstract_excerpt":"Angle resolved photoelectron spectroscopy (ARPES) is extensively used to characterize the dependence of the electronic structure of graphene on Ir(111) on the preparation process. ARPES findings reveal that temperature programmed growth alone or in combination with chemical vapor deposition leads to graphene displaying sharp electronic bands. The photoemission intensity of the Dirac cone is monitored as a function of the increasing graphene area. Electronic features of the moir\\'e superstructure present in the system, namely minigaps and replica bands are examined and used as robust features t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.4074","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":"2026-05-18T04:15:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sppkGD1gG1goCIz7xiS6oOj9yDY8GXxugvug5k/s2HvCIfEzMyMItwpJk7BkzXkm2nZaHj6+V4OX4Vy/xXm9BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T10:21:00.876643Z"},"content_sha256":"a79c976c448f5fef15c12e92a7279cb0bb7989cddc13e2f9883e5f09a24496c5","schema_version":"1.0","event_id":"sha256:a79c976c448f5fef15c12e92a7279cb0bb7989cddc13e2f9883e5f09a24496c5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XHYI5P4DEFGOIXFEU6WHYOCJMH/bundle.json","state_url":"https://pith.science/pith/XHYI5P4DEFGOIXFEU6WHYOCJMH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XHYI5P4DEFGOIXFEU6WHYOCJMH/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":"2026-06-03T10:21:00Z","links":{"resolver":"https://pith.science/pith/XHYI5P4DEFGOIXFEU6WHYOCJMH","bundle":"https://pith.science/pith/XHYI5P4DEFGOIXFEU6WHYOCJMH/bundle.json","state":"https://pith.science/pith/XHYI5P4DEFGOIXFEU6WHYOCJMH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XHYI5P4DEFGOIXFEU6WHYOCJMH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:XHYI5P4DEFGOIXFEU6WHYOCJMH","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":"a72689b2496958abc113545492545d0a6e762dede063d62ac4736885df50caef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-05-20T12:46:16Z","title_canon_sha256":"0c006c89b1a4cb66d72f19667536106097895d064b2b84095678c2718ddc6331"},"schema_version":"1.0","source":{"id":"1105.4074","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.4074","created_at":"2026-05-18T04:15:59Z"},{"alias_kind":"arxiv_version","alias_value":"1105.4074v2","created_at":"2026-05-18T04:15:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.4074","created_at":"2026-05-18T04:15:59Z"},{"alias_kind":"pith_short_12","alias_value":"XHYI5P4DEFGO","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"XHYI5P4DEFGOIXFE","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"XHYI5P4D","created_at":"2026-05-18T12:26:44Z"}],"graph_snapshots":[{"event_id":"sha256:a79c976c448f5fef15c12e92a7279cb0bb7989cddc13e2f9883e5f09a24496c5","target":"graph","created_at":"2026-05-18T04:15:59Z","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":"Angle resolved photoelectron spectroscopy (ARPES) is extensively used to characterize the dependence of the electronic structure of graphene on Ir(111) on the preparation process. ARPES findings reveal that temperature programmed growth alone or in combination with chemical vapor deposition leads to graphene displaying sharp electronic bands. The photoemission intensity of the Dirac cone is monitored as a function of the increasing graphene area. Electronic features of the moir\\'e superstructure present in the system, namely minigaps and replica bands are examined and used as robust features t","authors_text":"A. T. N'Diaye, C. Busse, I. Pletikosic, I. Vobornik, J. Fujii, M. Kralj, M. Milun, M. Petrovic, P. Pervan, T. Michely","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-05-20T12:46:16Z","title":"Graphene on Ir(111) characterized by angle-resolved photoemission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.4074","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":"sha256:330933b6d3c170e9eb75a34d404c514c179636b36448e0307e287498a0b4c20c","target":"record","created_at":"2026-05-18T04:15:59Z","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":"a72689b2496958abc113545492545d0a6e762dede063d62ac4736885df50caef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-05-20T12:46:16Z","title_canon_sha256":"0c006c89b1a4cb66d72f19667536106097895d064b2b84095678c2718ddc6331"},"schema_version":"1.0","source":{"id":"1105.4074","kind":"arxiv","version":2}},"canonical_sha256":"b9f08ebf83214ce45ca4a7ac7c384961cfa2b465a00d8dc98f55a06d52547757","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b9f08ebf83214ce45ca4a7ac7c384961cfa2b465a00d8dc98f55a06d52547757","first_computed_at":"2026-05-18T04:15:59.278614Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:15:59.278614Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"H2NJ6QrgqT9Z+vYoNgp2gmxenRXQEavB+PlbANRxMJwVs3b9jLZa/dkxuQVj9NXZlMRYWP4fBtLLgHK8kSiCCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:15:59.279394Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.4074","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:330933b6d3c170e9eb75a34d404c514c179636b36448e0307e287498a0b4c20c","sha256:a79c976c448f5fef15c12e92a7279cb0bb7989cddc13e2f9883e5f09a24496c5"],"state_sha256":"73dc59e7db184684d3869cfc80b2440a8bafef5907abe1c09abc0acf980b008f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gQ2V3V5SU6Gp17I39bAxiHaxb6CFXho5VpKrYAFUI3AYaAzK1fm+AWpyru/eXdXTDXckh2uCZfvt7sllSufuBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T10:21:00.878606Z","bundle_sha256":"14e97b0ae0a6be61c140646cb17669f189e54dfc26b499f9a849c56345d31c2a"}}