{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:KOIL2EMLOW3RQN6EQ2O2N7K7FD","short_pith_number":"pith:KOIL2EML","canonical_record":{"source":{"id":"1502.03327","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-02-11T15:05:01Z","cross_cats_sorted":[],"title_canon_sha256":"7786194d6e73173a25639e2ae72475b3b52257730dc94631cfb0179dd85a4935","abstract_canon_sha256":"8ab5cfe7f4f8fe4bb3cd691d89035eb49a15ed8bd8e0bb603e485bf3fee0a448"},"schema_version":"1.0"},"canonical_sha256":"5390bd118b75b71837c4869da6fd5f28d4648d31baf89b31a0afc59b5a8759ff","source":{"kind":"arxiv","id":"1502.03327","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.03327","created_at":"2026-05-18T02:27:19Z"},{"alias_kind":"arxiv_version","alias_value":"1502.03327v1","created_at":"2026-05-18T02:27:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.03327","created_at":"2026-05-18T02:27:19Z"},{"alias_kind":"pith_short_12","alias_value":"KOIL2EMLOW3R","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"KOIL2EMLOW3RQN6E","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"KOIL2EML","created_at":"2026-05-18T12:29:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:KOIL2EMLOW3RQN6EQ2O2N7K7FD","target":"record","payload":{"canonical_record":{"source":{"id":"1502.03327","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-02-11T15:05:01Z","cross_cats_sorted":[],"title_canon_sha256":"7786194d6e73173a25639e2ae72475b3b52257730dc94631cfb0179dd85a4935","abstract_canon_sha256":"8ab5cfe7f4f8fe4bb3cd691d89035eb49a15ed8bd8e0bb603e485bf3fee0a448"},"schema_version":"1.0"},"canonical_sha256":"5390bd118b75b71837c4869da6fd5f28d4648d31baf89b31a0afc59b5a8759ff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:27:19.694972Z","signature_b64":"2KE9oy2rNzP1clWshko6QtO7NCVTI2fiHgQ3P94iB6a2eKs2E6HLzwpfLyEfP4HBqX/RlJSO5VRzhtcyN93GBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5390bd118b75b71837c4869da6fd5f28d4648d31baf89b31a0afc59b5a8759ff","last_reissued_at":"2026-05-18T02:27:19.694110Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:27:19.694110Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.03327","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":"2026-05-18T02:27:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bJUhGn3ZOK30XZJJGz1sdrmIK+E7O5nElkVrlc1oCmLQAvfs7AHlp91HQk35Xmr1dCRHl9yOq3v3QPstYe3GAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T00:21:02.222123Z"},"content_sha256":"5d4ab3733ae2ba9596106969cd7f495651456411379f48bcba86ddd3cbef2284","schema_version":"1.0","event_id":"sha256:5d4ab3733ae2ba9596106969cd7f495651456411379f48bcba86ddd3cbef2284"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:KOIL2EMLOW3RQN6EQ2O2N7K7FD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An analytical model for the mechanical deformation of locally graphitized diamond","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Federico Bosia, Marco Piccardo, Nicola Pugno, Paolo Olivero","submitted_at":"2015-02-11T15:05:01Z","abstract_excerpt":"We propose an analytical model to describe the mechanical deformation of single-crystal diamond following the local sub-superficial graphitization obtained by laser beams or MeV ion microbeam implantation. In this case, a local mass-density variation is generated at specific depths within the irradiated micrometric regions, which in turn leads to swelling effects and the development of corresponding mechanical stresses. Our model describes the constrained expansion of the locally damaged material and correctly predicts the surface deformation, as verified by comparing analytical results with e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.03327","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":"2026-05-18T02:27:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"il0+3tB+wSck8dE5U8/DcYEmWwl2lzXzFlphhNzaKqDHJXa+WCNtttSNiAl5ttmT8kV3iUEz32V5qLHgoAFIBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T00:21:02.222487Z"},"content_sha256":"94dc133c493cdb6775a344b9e48429f13358551255a9cae8026b14a26989098e","schema_version":"1.0","event_id":"sha256:94dc133c493cdb6775a344b9e48429f13358551255a9cae8026b14a26989098e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KOIL2EMLOW3RQN6EQ2O2N7K7FD/bundle.json","state_url":"https://pith.science/pith/KOIL2EMLOW3RQN6EQ2O2N7K7FD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KOIL2EMLOW3RQN6EQ2O2N7K7FD/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":"2026-06-23T00:21:02Z","links":{"resolver":"https://pith.science/pith/KOIL2EMLOW3RQN6EQ2O2N7K7FD","bundle":"https://pith.science/pith/KOIL2EMLOW3RQN6EQ2O2N7K7FD/bundle.json","state":"https://pith.science/pith/KOIL2EMLOW3RQN6EQ2O2N7K7FD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KOIL2EMLOW3RQN6EQ2O2N7K7FD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:KOIL2EMLOW3RQN6EQ2O2N7K7FD","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":"8ab5cfe7f4f8fe4bb3cd691d89035eb49a15ed8bd8e0bb603e485bf3fee0a448","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-02-11T15:05:01Z","title_canon_sha256":"7786194d6e73173a25639e2ae72475b3b52257730dc94631cfb0179dd85a4935"},"schema_version":"1.0","source":{"id":"1502.03327","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.03327","created_at":"2026-05-18T02:27:19Z"},{"alias_kind":"arxiv_version","alias_value":"1502.03327v1","created_at":"2026-05-18T02:27:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.03327","created_at":"2026-05-18T02:27:19Z"},{"alias_kind":"pith_short_12","alias_value":"KOIL2EMLOW3R","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"KOIL2EMLOW3RQN6E","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"KOIL2EML","created_at":"2026-05-18T12:29:29Z"}],"graph_snapshots":[{"event_id":"sha256:94dc133c493cdb6775a344b9e48429f13358551255a9cae8026b14a26989098e","target":"graph","created_at":"2026-05-18T02:27:19Z","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":"We propose an analytical model to describe the mechanical deformation of single-crystal diamond following the local sub-superficial graphitization obtained by laser beams or MeV ion microbeam implantation. In this case, a local mass-density variation is generated at specific depths within the irradiated micrometric regions, which in turn leads to swelling effects and the development of corresponding mechanical stresses. Our model describes the constrained expansion of the locally damaged material and correctly predicts the surface deformation, as verified by comparing analytical results with e","authors_text":"Federico Bosia, Marco Piccardo, Nicola Pugno, Paolo Olivero","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-02-11T15:05:01Z","title":"An analytical model for the mechanical deformation of locally graphitized diamond"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.03327","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":"sha256:5d4ab3733ae2ba9596106969cd7f495651456411379f48bcba86ddd3cbef2284","target":"record","created_at":"2026-05-18T02:27:19Z","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":"8ab5cfe7f4f8fe4bb3cd691d89035eb49a15ed8bd8e0bb603e485bf3fee0a448","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-02-11T15:05:01Z","title_canon_sha256":"7786194d6e73173a25639e2ae72475b3b52257730dc94631cfb0179dd85a4935"},"schema_version":"1.0","source":{"id":"1502.03327","kind":"arxiv","version":1}},"canonical_sha256":"5390bd118b75b71837c4869da6fd5f28d4648d31baf89b31a0afc59b5a8759ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5390bd118b75b71837c4869da6fd5f28d4648d31baf89b31a0afc59b5a8759ff","first_computed_at":"2026-05-18T02:27:19.694110Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:27:19.694110Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2KE9oy2rNzP1clWshko6QtO7NCVTI2fiHgQ3P94iB6a2eKs2E6HLzwpfLyEfP4HBqX/RlJSO5VRzhtcyN93GBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:27:19.694972Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.03327","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d4ab3733ae2ba9596106969cd7f495651456411379f48bcba86ddd3cbef2284","sha256:94dc133c493cdb6775a344b9e48429f13358551255a9cae8026b14a26989098e"],"state_sha256":"bd7ca6ac41f6c7960afe21a0b4556f6acc1c8b8d6745109547b8f772c8b20a6f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X+fW2FUDwXgxiOOE5b5Lc2mGwLT8pNmMCizA+iQkOaWHgSBuuqFcSsmEh/U10SrslsvNS2IkDq0NR0vjk2K1Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T00:21:02.224450Z","bundle_sha256":"3e07f0276ab6a4bd5b045226c18634229200c7e404dec13b11d03ac1ef4f309b"}}