{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:FLNTJUPCDNZHHNJZR2YHN64KIB","short_pith_number":"pith:FLNTJUPC","canonical_record":{"source":{"id":"1910.11948","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-10-25T21:39:51Z","cross_cats_sorted":[],"title_canon_sha256":"b6796cabaf650c050e8b97b921f66e78a1d9e90bb80cd31a259ba61018125ac2","abstract_canon_sha256":"f4095a68aa2ba2497fcfdb37d33e2331b5b2c22d9da28275437310d87522fac2"},"schema_version":"1.0"},"canonical_sha256":"2adb34d1e21b7273b5398eb076fb8a407b2bf48c59b2af05513eaadb27cf7f8f","source":{"kind":"arxiv","id":"1910.11948","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.11948","created_at":"2026-07-05T00:35:52Z"},{"alias_kind":"arxiv_version","alias_value":"1910.11948v2","created_at":"2026-07-05T00:35:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.11948","created_at":"2026-07-05T00:35:52Z"},{"alias_kind":"pith_short_12","alias_value":"FLNTJUPCDNZH","created_at":"2026-07-05T00:35:52Z"},{"alias_kind":"pith_short_16","alias_value":"FLNTJUPCDNZHHNJZ","created_at":"2026-07-05T00:35:52Z"},{"alias_kind":"pith_short_8","alias_value":"FLNTJUPC","created_at":"2026-07-05T00:35:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:FLNTJUPCDNZHHNJZR2YHN64KIB","target":"record","payload":{"canonical_record":{"source":{"id":"1910.11948","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-10-25T21:39:51Z","cross_cats_sorted":[],"title_canon_sha256":"b6796cabaf650c050e8b97b921f66e78a1d9e90bb80cd31a259ba61018125ac2","abstract_canon_sha256":"f4095a68aa2ba2497fcfdb37d33e2331b5b2c22d9da28275437310d87522fac2"},"schema_version":"1.0"},"canonical_sha256":"2adb34d1e21b7273b5398eb076fb8a407b2bf48c59b2af05513eaadb27cf7f8f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:35:52.891277Z","signature_b64":"fNm7EBkT+whAIwqemkAR7Ab6nQ5isF2syovxjGqpC/0K3kHohLlDuni0T2E+TG00legJD2h0YcKnUWcEo26ZDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2adb34d1e21b7273b5398eb076fb8a407b2bf48c59b2af05513eaadb27cf7f8f","last_reissued_at":"2026-07-05T00:35:52.890793Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:35:52.890793Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1910.11948","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:35:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XYPIMOTbpFzxsysrdni/N/jPytBWJmc2oAr41ecxBAbSw1Nz49u/cjtgoMDRfemN4+Bw78KegB+Bk1isxB/tDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T11:10:23.279872Z"},"content_sha256":"6b85a342647dfe9c52345c64192bf9011bf45bf2754b7c34b637b71f366d09a9","schema_version":"1.0","event_id":"sha256:6b85a342647dfe9c52345c64192bf9011bf45bf2754b7c34b637b71f366d09a9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:FLNTJUPCDNZHHNJZR2YHN64KIB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MPFit: A robust method for fitting atomic resolution images with multiple Gaussian peaks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Debangshu Mukherjee, Greg Stone, Leixin Miao, Nasim Alem","submitted_at":"2019-10-25T21:39:51Z","abstract_excerpt":"The standard technique for sub-pixel estimation of atom positions from atomic resolution scanning transmission electron microscopy images relies on fitting intensity maxima or minima with a two-dimensional Gaussian function. While this is a widespread method of measurement, it can be error prone in images with non-zero aberrations, strong intensity differences between adjacent atoms or in situations where the neighboring atom positions approach the resolution limit of the microscope. Here we demonstrate mpfit, an atom finding algorithm that iteratively calculates a series of overlapping two-di"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.11948","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1910.11948/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:35:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CgFrvtzm+2ulnZr/Mm7FT36vfv54QA+bBgre76CKtNc1WJeqiWbuYheX1ejizZp6C60ZvSpZN2FEYIiuOWijDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T11:10:23.280227Z"},"content_sha256":"d0bb66c01680634bcee68f4efd9e2cddbb7282139f1795c636823e14746b2f67","schema_version":"1.0","event_id":"sha256:d0bb66c01680634bcee68f4efd9e2cddbb7282139f1795c636823e14746b2f67"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FLNTJUPCDNZHHNJZR2YHN64KIB/bundle.json","state_url":"https://pith.science/pith/FLNTJUPCDNZHHNJZR2YHN64KIB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FLNTJUPCDNZHHNJZR2YHN64KIB/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":"2026-07-17T11:10:23Z","links":{"resolver":"https://pith.science/pith/FLNTJUPCDNZHHNJZR2YHN64KIB","bundle":"https://pith.science/pith/FLNTJUPCDNZHHNJZR2YHN64KIB/bundle.json","state":"https://pith.science/pith/FLNTJUPCDNZHHNJZR2YHN64KIB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FLNTJUPCDNZHHNJZR2YHN64KIB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:FLNTJUPCDNZHHNJZR2YHN64KIB","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":"f4095a68aa2ba2497fcfdb37d33e2331b5b2c22d9da28275437310d87522fac2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-10-25T21:39:51Z","title_canon_sha256":"b6796cabaf650c050e8b97b921f66e78a1d9e90bb80cd31a259ba61018125ac2"},"schema_version":"1.0","source":{"id":"1910.11948","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.11948","created_at":"2026-07-05T00:35:52Z"},{"alias_kind":"arxiv_version","alias_value":"1910.11948v2","created_at":"2026-07-05T00:35:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.11948","created_at":"2026-07-05T00:35:52Z"},{"alias_kind":"pith_short_12","alias_value":"FLNTJUPCDNZH","created_at":"2026-07-05T00:35:52Z"},{"alias_kind":"pith_short_16","alias_value":"FLNTJUPCDNZHHNJZ","created_at":"2026-07-05T00:35:52Z"},{"alias_kind":"pith_short_8","alias_value":"FLNTJUPC","created_at":"2026-07-05T00:35:52Z"}],"graph_snapshots":[{"event_id":"sha256:d0bb66c01680634bcee68f4efd9e2cddbb7282139f1795c636823e14746b2f67","target":"graph","created_at":"2026-07-05T00:35:52Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1910.11948/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The standard technique for sub-pixel estimation of atom positions from atomic resolution scanning transmission electron microscopy images relies on fitting intensity maxima or minima with a two-dimensional Gaussian function. While this is a widespread method of measurement, it can be error prone in images with non-zero aberrations, strong intensity differences between adjacent atoms or in situations where the neighboring atom positions approach the resolution limit of the microscope. Here we demonstrate mpfit, an atom finding algorithm that iteratively calculates a series of overlapping two-di","authors_text":"Debangshu Mukherjee, Greg Stone, Leixin Miao, Nasim Alem","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-10-25T21:39:51Z","title":"MPFit: A robust method for fitting atomic resolution images with multiple Gaussian peaks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.11948","kind":"arxiv","version":2},"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":"sha256:6b85a342647dfe9c52345c64192bf9011bf45bf2754b7c34b637b71f366d09a9","target":"record","created_at":"2026-07-05T00:35:52Z","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":"f4095a68aa2ba2497fcfdb37d33e2331b5b2c22d9da28275437310d87522fac2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-10-25T21:39:51Z","title_canon_sha256":"b6796cabaf650c050e8b97b921f66e78a1d9e90bb80cd31a259ba61018125ac2"},"schema_version":"1.0","source":{"id":"1910.11948","kind":"arxiv","version":2}},"canonical_sha256":"2adb34d1e21b7273b5398eb076fb8a407b2bf48c59b2af05513eaadb27cf7f8f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2adb34d1e21b7273b5398eb076fb8a407b2bf48c59b2af05513eaadb27cf7f8f","first_computed_at":"2026-07-05T00:35:52.890793Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:35:52.890793Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fNm7EBkT+whAIwqemkAR7Ab6nQ5isF2syovxjGqpC/0K3kHohLlDuni0T2E+TG00legJD2h0YcKnUWcEo26ZDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:35:52.891277Z","signed_message":"canonical_sha256_bytes"},"source_id":"1910.11948","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6b85a342647dfe9c52345c64192bf9011bf45bf2754b7c34b637b71f366d09a9","sha256:d0bb66c01680634bcee68f4efd9e2cddbb7282139f1795c636823e14746b2f67"],"state_sha256":"2d014ff219dfe5805c0089fc63e276c7a69a35e27ec058cb02c3a2811ffed9d3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wr3QReNFdwZFKr+XCCmgr6/cqr4gLN9DUZjl7WNzgZhNzQqpQUFqC3EkybIvvtoIQkJ38fw/utM1X6JejtuSAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-17T11:10:23.282632Z","bundle_sha256":"b3e761807beeaa680cc52f345538f9cd9a2d11dd662c42f22e9f501e8bc1fa9a"}}