{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:Y2DV7B4LN6JMGW6S4TF7H5XYU3","short_pith_number":"pith:Y2DV7B4L","canonical_record":{"source":{"id":"1901.05892","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-01-17T16:53:29Z","cross_cats_sorted":[],"title_canon_sha256":"212c5176d8ed62ca40595cda2e9c32ca54ea018588f543eefc289b8883d0580f","abstract_canon_sha256":"e793c61d209d7c4577b77453c64173ff467813593165e2179edc20a8fbbab396"},"schema_version":"1.0"},"canonical_sha256":"c6875f878b6f92c35bd2e4cbf3f6f8a6f0088e759bcb488a70da783bc761e09d","source":{"kind":"arxiv","id":"1901.05892","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.05892","created_at":"2026-05-17T23:45:30Z"},{"alias_kind":"arxiv_version","alias_value":"1901.05892v1","created_at":"2026-05-17T23:45:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.05892","created_at":"2026-05-17T23:45:30Z"},{"alias_kind":"pith_short_12","alias_value":"Y2DV7B4LN6JM","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"Y2DV7B4LN6JMGW6S","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"Y2DV7B4L","created_at":"2026-05-18T12:33:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:Y2DV7B4LN6JMGW6S4TF7H5XYU3","target":"record","payload":{"canonical_record":{"source":{"id":"1901.05892","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-01-17T16:53:29Z","cross_cats_sorted":[],"title_canon_sha256":"212c5176d8ed62ca40595cda2e9c32ca54ea018588f543eefc289b8883d0580f","abstract_canon_sha256":"e793c61d209d7c4577b77453c64173ff467813593165e2179edc20a8fbbab396"},"schema_version":"1.0"},"canonical_sha256":"c6875f878b6f92c35bd2e4cbf3f6f8a6f0088e759bcb488a70da783bc761e09d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:45:30.851767Z","signature_b64":"td/21nuNfxGX9ZX+2TZVmtd0AvoR+EdacIQ9jiIyaEXQbb77rlxb4xnDiftVz/Pd9mNYtY5yUkEgeyqHioVcDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c6875f878b6f92c35bd2e4cbf3f6f8a6f0088e759bcb488a70da783bc761e09d","last_reissued_at":"2026-05-17T23:45:30.850956Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:45:30.850956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.05892","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":"2026-05-17T23:45:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7Zs4xLHeN6QHW+AC3eXswkk+BTjpx7RN/Qvq5nAlEjthXrcRbIX6GCmLJsd06MC0v2Ziu45PU9a1EVm7I/y3BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T12:25:20.661029Z"},"content_sha256":"f76a38581bcc63ecfd8a92d125cc38bbb018d31a00f00d033572b422787e8481","schema_version":"1.0","event_id":"sha256:f76a38581bcc63ecfd8a92d125cc38bbb018d31a00f00d033572b422787e8481"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:Y2DV7B4LN6JMGW6S4TF7H5XYU3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"DF-Fit : A robust algorithm for detection of crystallographic information in Atom Probe Tomography data","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Daniel Haley, Michael P. Moody, Paul A. J. Bagot","submitted_at":"2019-01-17T16:53:29Z","abstract_excerpt":"We report on a new algorithm for detection of crystallographic information in 3D, as retained in Atom Probe Tomography (APT), with improved robustness and signal detection performance. The algorithm is underpinned by 1D distribution functions, as per existing algorithms, but eliminates an unnecessary parameter as compared to current methods. By examining traditional distribution functions in an automated fashion in real space, rather than using Fourier transform approaches, we utilise an error metric based upon the expected value for a spatially random distribution for detecting crystallograph"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.05892","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":"2026-05-17T23:45:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"esNHPEWzd1E6blgMK7ldU3Wvetm15/6Ju1e7QTmE3y1LBiiHqqm3703fJjUL5FG5+/g7Ytu7HfFJS2b6ZNGTDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T12:25:20.661393Z"},"content_sha256":"c99628530d2b2b10193b59586778c90ec6743f7b8f7ce26379336a80576909cb","schema_version":"1.0","event_id":"sha256:c99628530d2b2b10193b59586778c90ec6743f7b8f7ce26379336a80576909cb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y2DV7B4LN6JMGW6S4TF7H5XYU3/bundle.json","state_url":"https://pith.science/pith/Y2DV7B4LN6JMGW6S4TF7H5XYU3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y2DV7B4LN6JMGW6S4TF7H5XYU3/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":"2026-06-04T12:25:20Z","links":{"resolver":"https://pith.science/pith/Y2DV7B4LN6JMGW6S4TF7H5XYU3","bundle":"https://pith.science/pith/Y2DV7B4LN6JMGW6S4TF7H5XYU3/bundle.json","state":"https://pith.science/pith/Y2DV7B4LN6JMGW6S4TF7H5XYU3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y2DV7B4LN6JMGW6S4TF7H5XYU3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:Y2DV7B4LN6JMGW6S4TF7H5XYU3","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":"e793c61d209d7c4577b77453c64173ff467813593165e2179edc20a8fbbab396","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-01-17T16:53:29Z","title_canon_sha256":"212c5176d8ed62ca40595cda2e9c32ca54ea018588f543eefc289b8883d0580f"},"schema_version":"1.0","source":{"id":"1901.05892","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.05892","created_at":"2026-05-17T23:45:30Z"},{"alias_kind":"arxiv_version","alias_value":"1901.05892v1","created_at":"2026-05-17T23:45:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.05892","created_at":"2026-05-17T23:45:30Z"},{"alias_kind":"pith_short_12","alias_value":"Y2DV7B4LN6JM","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"Y2DV7B4LN6JMGW6S","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"Y2DV7B4L","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:c99628530d2b2b10193b59586778c90ec6743f7b8f7ce26379336a80576909cb","target":"graph","created_at":"2026-05-17T23:45:30Z","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 report on a new algorithm for detection of crystallographic information in 3D, as retained in Atom Probe Tomography (APT), with improved robustness and signal detection performance. The algorithm is underpinned by 1D distribution functions, as per existing algorithms, but eliminates an unnecessary parameter as compared to current methods. By examining traditional distribution functions in an automated fashion in real space, rather than using Fourier transform approaches, we utilise an error metric based upon the expected value for a spatially random distribution for detecting crystallograph","authors_text":"Daniel Haley, Michael P. Moody, Paul A. J. Bagot","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-01-17T16:53:29Z","title":"DF-Fit : A robust algorithm for detection of crystallographic information in Atom Probe Tomography data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.05892","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:f76a38581bcc63ecfd8a92d125cc38bbb018d31a00f00d033572b422787e8481","target":"record","created_at":"2026-05-17T23:45:30Z","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":"e793c61d209d7c4577b77453c64173ff467813593165e2179edc20a8fbbab396","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-01-17T16:53:29Z","title_canon_sha256":"212c5176d8ed62ca40595cda2e9c32ca54ea018588f543eefc289b8883d0580f"},"schema_version":"1.0","source":{"id":"1901.05892","kind":"arxiv","version":1}},"canonical_sha256":"c6875f878b6f92c35bd2e4cbf3f6f8a6f0088e759bcb488a70da783bc761e09d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c6875f878b6f92c35bd2e4cbf3f6f8a6f0088e759bcb488a70da783bc761e09d","first_computed_at":"2026-05-17T23:45:30.850956Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:45:30.850956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"td/21nuNfxGX9ZX+2TZVmtd0AvoR+EdacIQ9jiIyaEXQbb77rlxb4xnDiftVz/Pd9mNYtY5yUkEgeyqHioVcDQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:45:30.851767Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.05892","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f76a38581bcc63ecfd8a92d125cc38bbb018d31a00f00d033572b422787e8481","sha256:c99628530d2b2b10193b59586778c90ec6743f7b8f7ce26379336a80576909cb"],"state_sha256":"b45669e729e483b90ed3ddc68ec68bdc8f7402db7326b0f472c6f5136daaafea"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ed8QMSK/VETG9IALLrj3FNrWv9itsJafVDeseajjZ8DMEVGB6CRJQnr8LF3YsVhOjhfdhQkDgaLmgGVLeseLDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T12:25:20.663365Z","bundle_sha256":"b7f218c5a4988b4bd455b887f1efb60670bd5624a499d854d4cb9f724b6ee781"}}