{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:W44KA5HEV6DFFWZA5OF73U52KT","short_pith_number":"pith:W44KA5HE","canonical_record":{"source":{"id":"2404.06478","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-04-09T17:29:53Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"8b8714549e140b1d60630e4e8044a7394b090904e78b253f5d5b42d6a8b97794","abstract_canon_sha256":"43f99acc7aefdf0301fa9589898da6b98c20b95ac78143d61fad8f3e92f1bfa8"},"schema_version":"1.0"},"canonical_sha256":"b738a074e4af8652db20eb8bfdd3ba54fbade183f3ddffcf7d0597884d0401cd","source":{"kind":"arxiv","id":"2404.06478","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.06478","created_at":"2026-07-05T08:06:09Z"},{"alias_kind":"arxiv_version","alias_value":"2404.06478v1","created_at":"2026-07-05T08:06:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.06478","created_at":"2026-07-05T08:06:09Z"},{"alias_kind":"pith_short_12","alias_value":"W44KA5HEV6DF","created_at":"2026-07-05T08:06:09Z"},{"alias_kind":"pith_short_16","alias_value":"W44KA5HEV6DFFWZA","created_at":"2026-07-05T08:06:09Z"},{"alias_kind":"pith_short_8","alias_value":"W44KA5HE","created_at":"2026-07-05T08:06:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:W44KA5HEV6DFFWZA5OF73U52KT","target":"record","payload":{"canonical_record":{"source":{"id":"2404.06478","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-04-09T17:29:53Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"8b8714549e140b1d60630e4e8044a7394b090904e78b253f5d5b42d6a8b97794","abstract_canon_sha256":"43f99acc7aefdf0301fa9589898da6b98c20b95ac78143d61fad8f3e92f1bfa8"},"schema_version":"1.0"},"canonical_sha256":"b738a074e4af8652db20eb8bfdd3ba54fbade183f3ddffcf7d0597884d0401cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:06:09.497650Z","signature_b64":"8BwDyIc4ecutDUSl7BJJRW0xGErLoQOMHuY4WUSrXihPhgfaQNeQxNE/3pcTHkUIojcu7Z14g2kL0X/gIYZHAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b738a074e4af8652db20eb8bfdd3ba54fbade183f3ddffcf7d0597884d0401cd","last_reissued_at":"2026-07-05T08:06:09.497237Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:06:09.497237Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.06478","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":"2026-07-05T08:06:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8j2VfVRBAF6uNB8NBm9u5igRtYN38hP/PhbHW36T1HseYEfGzZUOlt0PK6LRVVk7AZAGX6Z0wECDWl9mEfHyCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-28T20:38:55.963308Z"},"content_sha256":"9076c9127e22469b8dad2f78fd844d96a7b5b54fa9f0fa0a22825c72b1209736","schema_version":"1.0","event_id":"sha256:9076c9127e22469b8dad2f78fd844d96a7b5b54fa9f0fa0a22825c72b1209736"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:W44KA5HEV6DFFWZA5OF73U52KT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Laue Indexing with Optimal Transport","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.IV"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Camilla Buhl Larsen, Efthymios Polatidis, Guillaume Obozinski, Jarom\\'ir Kope\\v{c}ek, Markus Strobl, Stavros Samothrakitis, Tomasz Kacprzak","submitted_at":"2024-04-09T17:29:53Z","abstract_excerpt":"Laue tomography experiments retrieve the positions and orientations of crystal grains in a polycrystalline samples from diffraction patterns recorded at multiple viewing angles. The use of a broad wavelength spectrum beam can greatly reduce the experimental time, but poses a difficult challenge for the indexing of diffraction peaks in polycrystalline samples; the information about the wavelength of these Bragg peaks is absent and the diffraction patterns from multiple grains are superimposed. To date, no algorithms exist capable of indexing samples with more than about 500 grains efficiently. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.06478","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2404.06478/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":"2026-07-05T08:06:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LMJlLkzFRbPOrbNjCfwu5tUDoKks64zzjArsaITEhVmKqYpitII5AYsW0VpPhZqlM3Lno3iMBlNnrD+Y3rbmCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-28T20:38:55.963683Z"},"content_sha256":"fa80d88f135ad489a0001ad4f57b5fd615681a0e8705d57d536196e74d0ac20b","schema_version":"1.0","event_id":"sha256:fa80d88f135ad489a0001ad4f57b5fd615681a0e8705d57d536196e74d0ac20b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W44KA5HEV6DFFWZA5OF73U52KT/bundle.json","state_url":"https://pith.science/pith/W44KA5HEV6DFFWZA5OF73U52KT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W44KA5HEV6DFFWZA5OF73U52KT/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":"2026-07-28T20:38:55Z","links":{"resolver":"https://pith.science/pith/W44KA5HEV6DFFWZA5OF73U52KT","bundle":"https://pith.science/pith/W44KA5HEV6DFFWZA5OF73U52KT/bundle.json","state":"https://pith.science/pith/W44KA5HEV6DFFWZA5OF73U52KT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W44KA5HEV6DFFWZA5OF73U52KT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:W44KA5HEV6DFFWZA5OF73U52KT","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":"43f99acc7aefdf0301fa9589898da6b98c20b95ac78143d61fad8f3e92f1bfa8","cross_cats_sorted":["eess.IV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-04-09T17:29:53Z","title_canon_sha256":"8b8714549e140b1d60630e4e8044a7394b090904e78b253f5d5b42d6a8b97794"},"schema_version":"1.0","source":{"id":"2404.06478","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.06478","created_at":"2026-07-05T08:06:09Z"},{"alias_kind":"arxiv_version","alias_value":"2404.06478v1","created_at":"2026-07-05T08:06:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.06478","created_at":"2026-07-05T08:06:09Z"},{"alias_kind":"pith_short_12","alias_value":"W44KA5HEV6DF","created_at":"2026-07-05T08:06:09Z"},{"alias_kind":"pith_short_16","alias_value":"W44KA5HEV6DFFWZA","created_at":"2026-07-05T08:06:09Z"},{"alias_kind":"pith_short_8","alias_value":"W44KA5HE","created_at":"2026-07-05T08:06:09Z"}],"graph_snapshots":[{"event_id":"sha256:fa80d88f135ad489a0001ad4f57b5fd615681a0e8705d57d536196e74d0ac20b","target":"graph","created_at":"2026-07-05T08:06:09Z","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/2404.06478/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Laue tomography experiments retrieve the positions and orientations of crystal grains in a polycrystalline samples from diffraction patterns recorded at multiple viewing angles. The use of a broad wavelength spectrum beam can greatly reduce the experimental time, but poses a difficult challenge for the indexing of diffraction peaks in polycrystalline samples; the information about the wavelength of these Bragg peaks is absent and the diffraction patterns from multiple grains are superimposed. To date, no algorithms exist capable of indexing samples with more than about 500 grains efficiently. ","authors_text":"Camilla Buhl Larsen, Efthymios Polatidis, Guillaume Obozinski, Jarom\\'ir Kope\\v{c}ek, Markus Strobl, Stavros Samothrakitis, Tomasz Kacprzak","cross_cats":["eess.IV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-04-09T17:29:53Z","title":"Laue Indexing with Optimal Transport"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.06478","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":"sha256:9076c9127e22469b8dad2f78fd844d96a7b5b54fa9f0fa0a22825c72b1209736","target":"record","created_at":"2026-07-05T08:06:09Z","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":"43f99acc7aefdf0301fa9589898da6b98c20b95ac78143d61fad8f3e92f1bfa8","cross_cats_sorted":["eess.IV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-04-09T17:29:53Z","title_canon_sha256":"8b8714549e140b1d60630e4e8044a7394b090904e78b253f5d5b42d6a8b97794"},"schema_version":"1.0","source":{"id":"2404.06478","kind":"arxiv","version":1}},"canonical_sha256":"b738a074e4af8652db20eb8bfdd3ba54fbade183f3ddffcf7d0597884d0401cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b738a074e4af8652db20eb8bfdd3ba54fbade183f3ddffcf7d0597884d0401cd","first_computed_at":"2026-07-05T08:06:09.497237Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:06:09.497237Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8BwDyIc4ecutDUSl7BJJRW0xGErLoQOMHuY4WUSrXihPhgfaQNeQxNE/3pcTHkUIojcu7Z14g2kL0X/gIYZHAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:06:09.497650Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.06478","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9076c9127e22469b8dad2f78fd844d96a7b5b54fa9f0fa0a22825c72b1209736","sha256:fa80d88f135ad489a0001ad4f57b5fd615681a0e8705d57d536196e74d0ac20b"],"state_sha256":"929821de018011a6dc3e3507ae3687fd3bb0907034112a6447556fbe05fdfe48"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZB88xjs8AVTsmSxKVbWrhfRa5VSxZpByb8c1F2tWGp0QEM7vPeaHXA4j72qdkcjQYf/BuUuyyS/NAjoJWpWdCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-28T20:38:55.966026Z","bundle_sha256":"dfa82ef70da8a42c7c2c0fdce8cbf9b725d0a738fc1bb27708aa170a8fd44705"}}