{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:RVKNCO47TIPPKEZEQEM2Z3AOUL","short_pith_number":"pith:RVKNCO47","canonical_record":{"source":{"id":"1511.01871","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-11-05T19:52:21Z","cross_cats_sorted":[],"title_canon_sha256":"4224cfbce798b9cbdfd868f329412a4c9a3c1faef4554f0b2186b89b14d084df","abstract_canon_sha256":"9687ba1772eed8047fa1253953266c7a087ad21a71afeee835bec36b9a765451"},"schema_version":"1.0"},"canonical_sha256":"8d54d13b9f9a1ef513248119acec0ea2f7112d5f32532bfe388a7ca56e7dee59","source":{"kind":"arxiv","id":"1511.01871","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.01871","created_at":"2026-05-18T01:15:00Z"},{"alias_kind":"arxiv_version","alias_value":"1511.01871v3","created_at":"2026-05-18T01:15:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.01871","created_at":"2026-05-18T01:15:00Z"},{"alias_kind":"pith_short_12","alias_value":"RVKNCO47TIPP","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"RVKNCO47TIPPKEZE","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"RVKNCO47","created_at":"2026-05-18T12:29:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:RVKNCO47TIPPKEZEQEM2Z3AOUL","target":"record","payload":{"canonical_record":{"source":{"id":"1511.01871","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-11-05T19:52:21Z","cross_cats_sorted":[],"title_canon_sha256":"4224cfbce798b9cbdfd868f329412a4c9a3c1faef4554f0b2186b89b14d084df","abstract_canon_sha256":"9687ba1772eed8047fa1253953266c7a087ad21a71afeee835bec36b9a765451"},"schema_version":"1.0"},"canonical_sha256":"8d54d13b9f9a1ef513248119acec0ea2f7112d5f32532bfe388a7ca56e7dee59","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:15:00.203298Z","signature_b64":"/KQNsVk9yBgFS7BvMS+2LrGmpw3WbKEY7prL9mK0VJhROezr34500c1DSqY7AD6/9kgTp0/rxT24gQToZ1acDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8d54d13b9f9a1ef513248119acec0ea2f7112d5f32532bfe388a7ca56e7dee59","last_reissued_at":"2026-05-18T01:15:00.202785Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:15:00.202785Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.01871","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:15:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4hQBgSEMlycE615826PyMXUaUDR1LRK3Hbur4CqNfop0d09mSUCDgbiZ8xvIGIKuRcGEsyCYPELsqtLJfYuQCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T20:32:58.262671Z"},"content_sha256":"086eea7f8e54d20fa7e263be5ec50755bfeb9cb70a5ef3b6226af9b06ae1031e","schema_version":"1.0","event_id":"sha256:086eea7f8e54d20fa7e263be5ec50755bfeb9cb70a5ef3b6226af9b06ae1031e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:RVKNCO47TIPPKEZEQEM2Z3AOUL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Graphene stabilization of two-dimensional gallium nitride","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Dennis F. Paul, Joan M. Redwing, Joshua A. Robinson, Joshua D. Caldwell, Ke Wang, Paul A. DeSario, Rafael A. Vil\\'a, Ram Krishna Ghosh, Sarah M. Eichfeld, Suman Datta, Zakaria Y. Al Balushi","submitted_at":"2015-11-05T19:52:21Z","abstract_excerpt":"The spectrum of two-dimensional (2D) materials beyond graphene offers a remarkable platform to study new phenomena in condensed matter physics. Among these materials, layered hexagonal boron nitride (hBN), with its wide bandgap energy (~5.0-6.0 eV), has clearly established that 2D nitrides are key to advancing novel devices1. A gap, however, remains between the theoretical prediction of 2D nitrides beyond hBN and experimental realization of such structures. Here we demonstrate the synthesis of 2D gallium nitride (GaN) via a novel migration-enhanced encapsulated growth (MEEG) technique utilizin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.01871","kind":"arxiv","version":3},"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":"2026-05-18T01:15:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GA3e4okXZK9z3E5WqYXOT0f/eQLtFIVjKBjH1FRivOlS2tOqB0SilF1tcA7PyhcXc2Pnt2ZrdkqdMxYoVaB0Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T20:32:58.263398Z"},"content_sha256":"caf75b8dd31423d9220f4bdfdfc33a617d932f68f954dc0cadbffeedd23f70e7","schema_version":"1.0","event_id":"sha256:caf75b8dd31423d9220f4bdfdfc33a617d932f68f954dc0cadbffeedd23f70e7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RVKNCO47TIPPKEZEQEM2Z3AOUL/bundle.json","state_url":"https://pith.science/pith/RVKNCO47TIPPKEZEQEM2Z3AOUL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RVKNCO47TIPPKEZEQEM2Z3AOUL/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":"2026-06-06T20:32:58Z","links":{"resolver":"https://pith.science/pith/RVKNCO47TIPPKEZEQEM2Z3AOUL","bundle":"https://pith.science/pith/RVKNCO47TIPPKEZEQEM2Z3AOUL/bundle.json","state":"https://pith.science/pith/RVKNCO47TIPPKEZEQEM2Z3AOUL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RVKNCO47TIPPKEZEQEM2Z3AOUL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:RVKNCO47TIPPKEZEQEM2Z3AOUL","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":"9687ba1772eed8047fa1253953266c7a087ad21a71afeee835bec36b9a765451","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-11-05T19:52:21Z","title_canon_sha256":"4224cfbce798b9cbdfd868f329412a4c9a3c1faef4554f0b2186b89b14d084df"},"schema_version":"1.0","source":{"id":"1511.01871","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.01871","created_at":"2026-05-18T01:15:00Z"},{"alias_kind":"arxiv_version","alias_value":"1511.01871v3","created_at":"2026-05-18T01:15:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.01871","created_at":"2026-05-18T01:15:00Z"},{"alias_kind":"pith_short_12","alias_value":"RVKNCO47TIPP","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"RVKNCO47TIPPKEZE","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"RVKNCO47","created_at":"2026-05-18T12:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:caf75b8dd31423d9220f4bdfdfc33a617d932f68f954dc0cadbffeedd23f70e7","target":"graph","created_at":"2026-05-18T01:15:00Z","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 spectrum of two-dimensional (2D) materials beyond graphene offers a remarkable platform to study new phenomena in condensed matter physics. Among these materials, layered hexagonal boron nitride (hBN), with its wide bandgap energy (~5.0-6.0 eV), has clearly established that 2D nitrides are key to advancing novel devices1. A gap, however, remains between the theoretical prediction of 2D nitrides beyond hBN and experimental realization of such structures. Here we demonstrate the synthesis of 2D gallium nitride (GaN) via a novel migration-enhanced encapsulated growth (MEEG) technique utilizin","authors_text":"Dennis F. Paul, Joan M. Redwing, Joshua A. Robinson, Joshua D. Caldwell, Ke Wang, Paul A. DeSario, Rafael A. Vil\\'a, Ram Krishna Ghosh, Sarah M. Eichfeld, Suman Datta, Zakaria Y. Al Balushi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-11-05T19:52:21Z","title":"Graphene stabilization of two-dimensional gallium nitride"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.01871","kind":"arxiv","version":3},"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":"sha256:086eea7f8e54d20fa7e263be5ec50755bfeb9cb70a5ef3b6226af9b06ae1031e","target":"record","created_at":"2026-05-18T01:15:00Z","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":"9687ba1772eed8047fa1253953266c7a087ad21a71afeee835bec36b9a765451","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-11-05T19:52:21Z","title_canon_sha256":"4224cfbce798b9cbdfd868f329412a4c9a3c1faef4554f0b2186b89b14d084df"},"schema_version":"1.0","source":{"id":"1511.01871","kind":"arxiv","version":3}},"canonical_sha256":"8d54d13b9f9a1ef513248119acec0ea2f7112d5f32532bfe388a7ca56e7dee59","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8d54d13b9f9a1ef513248119acec0ea2f7112d5f32532bfe388a7ca56e7dee59","first_computed_at":"2026-05-18T01:15:00.202785Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:15:00.202785Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/KQNsVk9yBgFS7BvMS+2LrGmpw3WbKEY7prL9mK0VJhROezr34500c1DSqY7AD6/9kgTp0/rxT24gQToZ1acDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:15:00.203298Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.01871","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:086eea7f8e54d20fa7e263be5ec50755bfeb9cb70a5ef3b6226af9b06ae1031e","sha256:caf75b8dd31423d9220f4bdfdfc33a617d932f68f954dc0cadbffeedd23f70e7"],"state_sha256":"87d1ab7f9af28eb5a80e36023be5b472dd72fdea70cc29108cb169cbe894bfa5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BXyFUv+FfxaXPaxlJR1ryC8KnGuB8wtq+OU9km0BnD3wcbVShu7E9KR+p5N5Tc2jc4ODHN17wN6WZTN8AQE8AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T20:32:58.266847Z","bundle_sha256":"7e8e6b7e249ea30293eed96485e3753f04ae2deb3d7cd0c9e6677034b7a7e965"}}