{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:K74NFDVGYRIGUKJJZS3YGGJIL4","short_pith_number":"pith:K74NFDVG","canonical_record":{"source":{"id":"0807.0841","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-07-05T03:55:44Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"8688bf752372465151f6ade418e50fdc3f20f05039d561b0d4370efa8e0c79d7","abstract_canon_sha256":"68efdf644ce242d502bb33123719bfeb33870b1d0571c902748bf0c201abb4b4"},"schema_version":"1.0"},"canonical_sha256":"57f8d28ea6c4506a2929ccb78319285f0bc4d05df966138baa0fc265b212bf07","source":{"kind":"arxiv","id":"0807.0841","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0807.0841","created_at":"2026-05-18T02:15:45Z"},{"alias_kind":"arxiv_version","alias_value":"0807.0841v3","created_at":"2026-05-18T02:15:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0807.0841","created_at":"2026-05-18T02:15:45Z"},{"alias_kind":"pith_short_12","alias_value":"K74NFDVGYRIG","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"K74NFDVGYRIGUKJJ","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"K74NFDVG","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:K74NFDVGYRIGUKJJZS3YGGJIL4","target":"record","payload":{"canonical_record":{"source":{"id":"0807.0841","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-07-05T03:55:44Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"8688bf752372465151f6ade418e50fdc3f20f05039d561b0d4370efa8e0c79d7","abstract_canon_sha256":"68efdf644ce242d502bb33123719bfeb33870b1d0571c902748bf0c201abb4b4"},"schema_version":"1.0"},"canonical_sha256":"57f8d28ea6c4506a2929ccb78319285f0bc4d05df966138baa0fc265b212bf07","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:45.592997Z","signature_b64":"olz10bGU4jg+XnxjoKU3kPNnnb2fV6FGIL8rnG6uI4g8utfd29qImhHGUQkNoIBV7iRTme/Co/fBnUNbS/DVAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57f8d28ea6c4506a2929ccb78319285f0bc4d05df966138baa0fc265b212bf07","last_reissued_at":"2026-05-18T02:15:45.592339Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:45.592339Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0807.0841","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":"2026-05-18T02:15:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tuPM1ksOVgWdh5u8azvi6u0jV/khQxulmfloAFyAND0btDZKxy0mlh+AE41oYlly7TD9kyhg/eONL2DluyJLCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T03:35:30.192450Z"},"content_sha256":"25443e67bfbcf5e18d240d90175cbee6a6fae0764e351ffedc7a1def2a8d05c7","schema_version":"1.0","event_id":"sha256:25443e67bfbcf5e18d240d90175cbee6a6fae0764e351ffedc7a1def2a8d05c7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:K74NFDVGYRIGUKJJZS3YGGJIL4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mechanism of recrystallization process in epitaxial GaN under dynamic stress field - Atomistic origin of planar defect formation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. K. Bhaduri, Baldev Raj, C. R. Das, H. C. Hsu, K. H. Chen, L. C. Chen, S. Dhara, S. K. Albert, Y. R. Jeng","submitted_at":"2008-07-05T03:55:44Z","abstract_excerpt":"The mechanism of recrystallization in epitaxial (1000) GaN film, introduced by indentation technique, is probed by lattice dynamic studies using Raman spectroscopy. The recrystallized region is identified by Micro-Raman area mapping. Pop-in bursts in loading lines indicate nucleation of dislocations and climb of dislocations. These processes set in plastic motion of lattice atoms under stress field at the center of indentation for the initiation of recrystallization process. A planar defect migration mechanism is evolved. A pivotal role of vacancy migration is pointed out, for the first time, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0807.0841","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":"2026-05-18T02:15:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fTUSj4tdB7TUCOG6hNqVFe4xL97etHLowmljt+nO6AZGCNXILIAKQ3EUqRKAGZWXjufohb6q0KquAOAXxQCQBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T03:35:30.192813Z"},"content_sha256":"80996ab039b30745875caae874b30fab0d33e9ed626b957f0cbd85f92b2ecef7","schema_version":"1.0","event_id":"sha256:80996ab039b30745875caae874b30fab0d33e9ed626b957f0cbd85f92b2ecef7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K74NFDVGYRIGUKJJZS3YGGJIL4/bundle.json","state_url":"https://pith.science/pith/K74NFDVGYRIGUKJJZS3YGGJIL4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K74NFDVGYRIGUKJJZS3YGGJIL4/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":"2026-05-28T03:35:30Z","links":{"resolver":"https://pith.science/pith/K74NFDVGYRIGUKJJZS3YGGJIL4","bundle":"https://pith.science/pith/K74NFDVGYRIGUKJJZS3YGGJIL4/bundle.json","state":"https://pith.science/pith/K74NFDVGYRIGUKJJZS3YGGJIL4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K74NFDVGYRIGUKJJZS3YGGJIL4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:K74NFDVGYRIGUKJJZS3YGGJIL4","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":"68efdf644ce242d502bb33123719bfeb33870b1d0571c902748bf0c201abb4b4","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-07-05T03:55:44Z","title_canon_sha256":"8688bf752372465151f6ade418e50fdc3f20f05039d561b0d4370efa8e0c79d7"},"schema_version":"1.0","source":{"id":"0807.0841","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0807.0841","created_at":"2026-05-18T02:15:45Z"},{"alias_kind":"arxiv_version","alias_value":"0807.0841v3","created_at":"2026-05-18T02:15:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0807.0841","created_at":"2026-05-18T02:15:45Z"},{"alias_kind":"pith_short_12","alias_value":"K74NFDVGYRIG","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"K74NFDVGYRIGUKJJ","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"K74NFDVG","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:80996ab039b30745875caae874b30fab0d33e9ed626b957f0cbd85f92b2ecef7","target":"graph","created_at":"2026-05-18T02:15:45Z","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 mechanism of recrystallization in epitaxial (1000) GaN film, introduced by indentation technique, is probed by lattice dynamic studies using Raman spectroscopy. The recrystallized region is identified by Micro-Raman area mapping. Pop-in bursts in loading lines indicate nucleation of dislocations and climb of dislocations. These processes set in plastic motion of lattice atoms under stress field at the center of indentation for the initiation of recrystallization process. A planar defect migration mechanism is evolved. A pivotal role of vacancy migration is pointed out, for the first time, ","authors_text":"A. K. Bhaduri, Baldev Raj, C. R. Das, H. C. Hsu, K. H. Chen, L. C. Chen, S. Dhara, S. K. Albert, Y. R. Jeng","cross_cats":["cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-07-05T03:55:44Z","title":"Mechanism of recrystallization process in epitaxial GaN under dynamic stress field - Atomistic origin of planar defect formation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0807.0841","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":"sha256:25443e67bfbcf5e18d240d90175cbee6a6fae0764e351ffedc7a1def2a8d05c7","target":"record","created_at":"2026-05-18T02:15:45Z","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":"68efdf644ce242d502bb33123719bfeb33870b1d0571c902748bf0c201abb4b4","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-07-05T03:55:44Z","title_canon_sha256":"8688bf752372465151f6ade418e50fdc3f20f05039d561b0d4370efa8e0c79d7"},"schema_version":"1.0","source":{"id":"0807.0841","kind":"arxiv","version":3}},"canonical_sha256":"57f8d28ea6c4506a2929ccb78319285f0bc4d05df966138baa0fc265b212bf07","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57f8d28ea6c4506a2929ccb78319285f0bc4d05df966138baa0fc265b212bf07","first_computed_at":"2026-05-18T02:15:45.592339Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:45.592339Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"olz10bGU4jg+XnxjoKU3kPNnnb2fV6FGIL8rnG6uI4g8utfd29qImhHGUQkNoIBV7iRTme/Co/fBnUNbS/DVAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:45.592997Z","signed_message":"canonical_sha256_bytes"},"source_id":"0807.0841","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:25443e67bfbcf5e18d240d90175cbee6a6fae0764e351ffedc7a1def2a8d05c7","sha256:80996ab039b30745875caae874b30fab0d33e9ed626b957f0cbd85f92b2ecef7"],"state_sha256":"9b55a2bb80545ef477e8c38c46d6ea7169280552b5218f7d5420ee6b077c7fdf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yT37/4fmycGbV7YYAMFDQ71WO26xqecPj/XvbbJN2+CVGzHj5rsucCefPmRPdGZw/tkGDGgZYMmgDZocqXd+CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T03:35:30.194939Z","bundle_sha256":"3d895320e440792416857607261899282259ceefc087efaaa2a173cdb37f0ec2"}}