{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:FJMQ67YABF4F422W7TBWLFZ6JQ","short_pith_number":"pith:FJMQ67YA","canonical_record":{"source":{"id":"1803.08681","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-03-23T08:10:38Z","cross_cats_sorted":[],"title_canon_sha256":"e7b6b100ae739cf92fdd09c71a18c32961bec5d0e8f8491ee16c83a58f69f28e","abstract_canon_sha256":"51bec267eaadac683bcff30977f234f64f5ed76b5236018145a57ca99cfa776d"},"schema_version":"1.0"},"canonical_sha256":"2a590f7f0009785e6b56fcc365973e4c174a42e94411463dc7920c6d8a12f046","source":{"kind":"arxiv","id":"1803.08681","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.08681","created_at":"2026-05-18T00:20:18Z"},{"alias_kind":"arxiv_version","alias_value":"1803.08681v1","created_at":"2026-05-18T00:20:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.08681","created_at":"2026-05-18T00:20:18Z"},{"alias_kind":"pith_short_12","alias_value":"FJMQ67YABF4F","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"FJMQ67YABF4F422W","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"FJMQ67YA","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:FJMQ67YABF4F422W7TBWLFZ6JQ","target":"record","payload":{"canonical_record":{"source":{"id":"1803.08681","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-03-23T08:10:38Z","cross_cats_sorted":[],"title_canon_sha256":"e7b6b100ae739cf92fdd09c71a18c32961bec5d0e8f8491ee16c83a58f69f28e","abstract_canon_sha256":"51bec267eaadac683bcff30977f234f64f5ed76b5236018145a57ca99cfa776d"},"schema_version":"1.0"},"canonical_sha256":"2a590f7f0009785e6b56fcc365973e4c174a42e94411463dc7920c6d8a12f046","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:20:18.857427Z","signature_b64":"8xlL/3kSpuJ0zSFtoaFt5G6Vo8PAghm+EJ59f1B1A6S3MTGsqHuF4KIUO8wqLnduwZxKZtysihNt4YDmklMJCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2a590f7f0009785e6b56fcc365973e4c174a42e94411463dc7920c6d8a12f046","last_reissued_at":"2026-05-18T00:20:18.856789Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:20:18.856789Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.08681","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":"2026-05-18T00:20:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aumgm35Vc7yPQbOxVpd93m1RuVEM8sA+LWNEF8ZLdbc3MfqzgajifJjprCoN6uSqEAeNPIRNEYKfEESqlsOODQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:09:09.973202Z"},"content_sha256":"072143eb367e701a0db6f2460a47303f901bddedf1f756043350e29d3ad488fb","schema_version":"1.0","event_id":"sha256:072143eb367e701a0db6f2460a47303f901bddedf1f756043350e29d3ad488fb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:FJMQ67YABF4F422W7TBWLFZ6JQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pattern Evolution Characterizes the Mechanism and Efficiency of CVD Graphene Growth","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Dechao Geng, Wanzhen He, Zhiping Xu","submitted_at":"2018-03-23T08:10:38Z","abstract_excerpt":"Growing large-area single-crystal monolayers is the holy grail of graphene synthesis. In this work, the efficiency of graphene growth and the quality of their continuous films are explored through the time evolution of individual domains and their surface coverage on the substrate. Our phase-field modeling results and experimental characterization clearly demonstrate the critical roles of the deposition flux, edge-reaction kinetics and the surface diffusion of active carbon sources in modulating the pattern evolution and rate of growth. The contrast in edge-kinetics-limited and surface-diffusi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.08681","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":"2026-05-18T00:20:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8tAldwkGloX/fyiVE3E5bX1R3NYZctEDm1mW169sIRPNPGtmWsGuYyr/48j5pSHY+bI5S0BmiHYfeegsdG8SCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:09:09.973624Z"},"content_sha256":"e73a596365fb09b29d02b78aa64ac9995c0548fd4483c5521bb1f67e81792f54","schema_version":"1.0","event_id":"sha256:e73a596365fb09b29d02b78aa64ac9995c0548fd4483c5521bb1f67e81792f54"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FJMQ67YABF4F422W7TBWLFZ6JQ/bundle.json","state_url":"https://pith.science/pith/FJMQ67YABF4F422W7TBWLFZ6JQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FJMQ67YABF4F422W7TBWLFZ6JQ/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":"2026-05-28T21:09:09Z","links":{"resolver":"https://pith.science/pith/FJMQ67YABF4F422W7TBWLFZ6JQ","bundle":"https://pith.science/pith/FJMQ67YABF4F422W7TBWLFZ6JQ/bundle.json","state":"https://pith.science/pith/FJMQ67YABF4F422W7TBWLFZ6JQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FJMQ67YABF4F422W7TBWLFZ6JQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:FJMQ67YABF4F422W7TBWLFZ6JQ","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":"51bec267eaadac683bcff30977f234f64f5ed76b5236018145a57ca99cfa776d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-03-23T08:10:38Z","title_canon_sha256":"e7b6b100ae739cf92fdd09c71a18c32961bec5d0e8f8491ee16c83a58f69f28e"},"schema_version":"1.0","source":{"id":"1803.08681","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.08681","created_at":"2026-05-18T00:20:18Z"},{"alias_kind":"arxiv_version","alias_value":"1803.08681v1","created_at":"2026-05-18T00:20:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.08681","created_at":"2026-05-18T00:20:18Z"},{"alias_kind":"pith_short_12","alias_value":"FJMQ67YABF4F","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"FJMQ67YABF4F422W","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"FJMQ67YA","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:e73a596365fb09b29d02b78aa64ac9995c0548fd4483c5521bb1f67e81792f54","target":"graph","created_at":"2026-05-18T00:20:18Z","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":"Growing large-area single-crystal monolayers is the holy grail of graphene synthesis. In this work, the efficiency of graphene growth and the quality of their continuous films are explored through the time evolution of individual domains and their surface coverage on the substrate. Our phase-field modeling results and experimental characterization clearly demonstrate the critical roles of the deposition flux, edge-reaction kinetics and the surface diffusion of active carbon sources in modulating the pattern evolution and rate of growth. The contrast in edge-kinetics-limited and surface-diffusi","authors_text":"Dechao Geng, Wanzhen He, Zhiping Xu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-03-23T08:10:38Z","title":"Pattern Evolution Characterizes the Mechanism and Efficiency of CVD Graphene Growth"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.08681","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":"sha256:072143eb367e701a0db6f2460a47303f901bddedf1f756043350e29d3ad488fb","target":"record","created_at":"2026-05-18T00:20:18Z","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":"51bec267eaadac683bcff30977f234f64f5ed76b5236018145a57ca99cfa776d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-03-23T08:10:38Z","title_canon_sha256":"e7b6b100ae739cf92fdd09c71a18c32961bec5d0e8f8491ee16c83a58f69f28e"},"schema_version":"1.0","source":{"id":"1803.08681","kind":"arxiv","version":1}},"canonical_sha256":"2a590f7f0009785e6b56fcc365973e4c174a42e94411463dc7920c6d8a12f046","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2a590f7f0009785e6b56fcc365973e4c174a42e94411463dc7920c6d8a12f046","first_computed_at":"2026-05-18T00:20:18.856789Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:20:18.856789Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8xlL/3kSpuJ0zSFtoaFt5G6Vo8PAghm+EJ59f1B1A6S3MTGsqHuF4KIUO8wqLnduwZxKZtysihNt4YDmklMJCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:20:18.857427Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.08681","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:072143eb367e701a0db6f2460a47303f901bddedf1f756043350e29d3ad488fb","sha256:e73a596365fb09b29d02b78aa64ac9995c0548fd4483c5521bb1f67e81792f54"],"state_sha256":"7261308b583d123947113c59a9f6e6fdd85da00bbe210e52406b125b13671e9e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/z2r6MFGs3IHubwnoPK8evs2zrFnm/LgrAbE9iJYV5GZqcEVeJTwW/qvxGNHpLZxtSyqbkgrj+5ooizJC1leAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T21:09:09.976406Z","bundle_sha256":"019cfda0f5700c96b980f4d0f42c8663e9002ca0d804a26309d0ff55bc576eae"}}