{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:MZ4ERXR46WKNXBWUHPIPRDCVKO","short_pith_number":"pith:MZ4ERXR4","canonical_record":{"source":{"id":"1509.05963","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-20T03:50:37Z","cross_cats_sorted":[],"title_canon_sha256":"bd0a861cd40993afdf10fcbc051ac0039e29d52e73803420950de343f07dffdb","abstract_canon_sha256":"3ec2674873320879259c97ff2b851f1ba90fd0618e68ec7defe8905972be4aff"},"schema_version":"1.0"},"canonical_sha256":"667848de3cf594db86d43bd0f88c55539c031f184b7b1850b01cee7361500d79","source":{"kind":"arxiv","id":"1509.05963","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.05963","created_at":"2026-05-18T01:32:36Z"},{"alias_kind":"arxiv_version","alias_value":"1509.05963v1","created_at":"2026-05-18T01:32:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.05963","created_at":"2026-05-18T01:32:36Z"},{"alias_kind":"pith_short_12","alias_value":"MZ4ERXR46WKN","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MZ4ERXR46WKNXBWU","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MZ4ERXR4","created_at":"2026-05-18T12:29:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:MZ4ERXR46WKNXBWUHPIPRDCVKO","target":"record","payload":{"canonical_record":{"source":{"id":"1509.05963","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-20T03:50:37Z","cross_cats_sorted":[],"title_canon_sha256":"bd0a861cd40993afdf10fcbc051ac0039e29d52e73803420950de343f07dffdb","abstract_canon_sha256":"3ec2674873320879259c97ff2b851f1ba90fd0618e68ec7defe8905972be4aff"},"schema_version":"1.0"},"canonical_sha256":"667848de3cf594db86d43bd0f88c55539c031f184b7b1850b01cee7361500d79","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:36.238899Z","signature_b64":"qsdPDhDucQwi/hH/N3J18QUwN9zVL3W+zvSQKEAV91gKcy3jwKt1xRDQlnAYoo8g2lDIGv1ZZ7KFl8cbUpBWDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"667848de3cf594db86d43bd0f88c55539c031f184b7b1850b01cee7361500d79","last_reissued_at":"2026-05-18T01:32:36.238382Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:36.238382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.05963","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":"2026-05-18T01:32:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kCUC90vWZQ20pJtCPDXrx8Zh82z0jgZF/CH2nnKw28/C6ebN3htXdYWmOva325JIU1sXQ9KmEHyDPCX0vHM+Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T13:24:11.268674Z"},"content_sha256":"2afe7047dcdfe4934376614faf8cab48a013b073e2bfcab0a7ec5452b59557c5","schema_version":"1.0","event_id":"sha256:2afe7047dcdfe4934376614faf8cab48a013b073e2bfcab0a7ec5452b59557c5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:MZ4ERXR46WKNXBWUHPIPRDCVKO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Emergent formation of dynamic topographic patterns in electron beam induced etching","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Aiden A. Martin, Alan Bahm, Igor Aharonovich, James Bishop, Milos Toth","submitted_at":"2015-09-20T03:50:37Z","abstract_excerpt":"Spontaneous formation of geometric patterns is a fascinating, ubiquitous process that provides fundamental insights into the roles of symmetry breaking, anisotropy and nonlinear interactions in emergent phenomena. Here we report dynamic, highly ordered topographic patterns on the surface of diamond that span multiple length scales and have a symmetry controlled by the chemical species of a precursor gas used in electron beam induced etching (EBIE). This behavior reveals an underlying etch rate anisotropy and an electron energy transfer pathway that has been overlooked by existing EBIE theory. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.05963","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":"2026-05-18T01:32:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zBFXuDGvQJSENIGzswHgQ/hRDSNtZtoV1T8tVMKUmovM12KQ6lLtzjTemNi9G4lXL520zDBdCm37Gn+THg1WAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T13:24:11.269030Z"},"content_sha256":"c1b5463389742e7a6cb286f07898941dccdcf742b8a6fcd953f8f1e88b62e8c6","schema_version":"1.0","event_id":"sha256:c1b5463389742e7a6cb286f07898941dccdcf742b8a6fcd953f8f1e88b62e8c6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MZ4ERXR46WKNXBWUHPIPRDCVKO/bundle.json","state_url":"https://pith.science/pith/MZ4ERXR46WKNXBWUHPIPRDCVKO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MZ4ERXR46WKNXBWUHPIPRDCVKO/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":"2026-06-26T13:24:11Z","links":{"resolver":"https://pith.science/pith/MZ4ERXR46WKNXBWUHPIPRDCVKO","bundle":"https://pith.science/pith/MZ4ERXR46WKNXBWUHPIPRDCVKO/bundle.json","state":"https://pith.science/pith/MZ4ERXR46WKNXBWUHPIPRDCVKO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MZ4ERXR46WKNXBWUHPIPRDCVKO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:MZ4ERXR46WKNXBWUHPIPRDCVKO","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":"3ec2674873320879259c97ff2b851f1ba90fd0618e68ec7defe8905972be4aff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-20T03:50:37Z","title_canon_sha256":"bd0a861cd40993afdf10fcbc051ac0039e29d52e73803420950de343f07dffdb"},"schema_version":"1.0","source":{"id":"1509.05963","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.05963","created_at":"2026-05-18T01:32:36Z"},{"alias_kind":"arxiv_version","alias_value":"1509.05963v1","created_at":"2026-05-18T01:32:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.05963","created_at":"2026-05-18T01:32:36Z"},{"alias_kind":"pith_short_12","alias_value":"MZ4ERXR46WKN","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MZ4ERXR46WKNXBWU","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MZ4ERXR4","created_at":"2026-05-18T12:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:c1b5463389742e7a6cb286f07898941dccdcf742b8a6fcd953f8f1e88b62e8c6","target":"graph","created_at":"2026-05-18T01:32:36Z","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":"Spontaneous formation of geometric patterns is a fascinating, ubiquitous process that provides fundamental insights into the roles of symmetry breaking, anisotropy and nonlinear interactions in emergent phenomena. Here we report dynamic, highly ordered topographic patterns on the surface of diamond that span multiple length scales and have a symmetry controlled by the chemical species of a precursor gas used in electron beam induced etching (EBIE). This behavior reveals an underlying etch rate anisotropy and an electron energy transfer pathway that has been overlooked by existing EBIE theory. ","authors_text":"Aiden A. Martin, Alan Bahm, Igor Aharonovich, James Bishop, Milos Toth","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-20T03:50:37Z","title":"Emergent formation of dynamic topographic patterns in electron beam induced etching"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.05963","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":"sha256:2afe7047dcdfe4934376614faf8cab48a013b073e2bfcab0a7ec5452b59557c5","target":"record","created_at":"2026-05-18T01:32:36Z","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":"3ec2674873320879259c97ff2b851f1ba90fd0618e68ec7defe8905972be4aff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-20T03:50:37Z","title_canon_sha256":"bd0a861cd40993afdf10fcbc051ac0039e29d52e73803420950de343f07dffdb"},"schema_version":"1.0","source":{"id":"1509.05963","kind":"arxiv","version":1}},"canonical_sha256":"667848de3cf594db86d43bd0f88c55539c031f184b7b1850b01cee7361500d79","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"667848de3cf594db86d43bd0f88c55539c031f184b7b1850b01cee7361500d79","first_computed_at":"2026-05-18T01:32:36.238382Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:32:36.238382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qsdPDhDucQwi/hH/N3J18QUwN9zVL3W+zvSQKEAV91gKcy3jwKt1xRDQlnAYoo8g2lDIGv1ZZ7KFl8cbUpBWDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:32:36.238899Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.05963","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2afe7047dcdfe4934376614faf8cab48a013b073e2bfcab0a7ec5452b59557c5","sha256:c1b5463389742e7a6cb286f07898941dccdcf742b8a6fcd953f8f1e88b62e8c6"],"state_sha256":"7d5be62bff18f22383e607533247ad6901f52014eb77890d7b5293eb49eb2756"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"afCRpQIfBzzaFtwedo+Al02/PgDc9ntXgTv5E7PJG+a8MW3i+2UpSDHuxWNkjMvQ2GpbbQIuAvQggE9elWqsDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T13:24:11.270971Z","bundle_sha256":"b5afa317fce3c74fe7ea6d64628e0bcf272ba5744659cb13e5c40af767d49ef0"}}