{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:E4ALZORMYZV2Y7OXAF7Q5BPX3G","short_pith_number":"pith:E4ALZORM","canonical_record":{"source":{"id":"2606.18294","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2026-06-15T19:04:12Z","cross_cats_sorted":["nucl-ex","physics.app-ph"],"title_canon_sha256":"ac98040bdf4681762400e16020e54ff536a335a711284f2b7fa8db5d250c100d","abstract_canon_sha256":"0e339b0620bb012f81ac0e5553efbf103407cf20d3c7f8363325faec5a2992ab"},"schema_version":"1.0"},"canonical_sha256":"2700bcba2cc66bac7dd7017f0e85f7d9b352b25eec11822286fa0bbcfdd7ec84","source":{"kind":"arxiv","id":"2606.18294","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.18294","created_at":"2026-06-19T16:10:57Z"},{"alias_kind":"arxiv_version","alias_value":"2606.18294v1","created_at":"2026-06-19T16:10:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18294","created_at":"2026-06-19T16:10:57Z"},{"alias_kind":"pith_short_12","alias_value":"E4ALZORMYZV2","created_at":"2026-06-19T16:10:57Z"},{"alias_kind":"pith_short_16","alias_value":"E4ALZORMYZV2Y7OX","created_at":"2026-06-19T16:10:57Z"},{"alias_kind":"pith_short_8","alias_value":"E4ALZORM","created_at":"2026-06-19T16:10:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:E4ALZORMYZV2Y7OXAF7Q5BPX3G","target":"record","payload":{"canonical_record":{"source":{"id":"2606.18294","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2026-06-15T19:04:12Z","cross_cats_sorted":["nucl-ex","physics.app-ph"],"title_canon_sha256":"ac98040bdf4681762400e16020e54ff536a335a711284f2b7fa8db5d250c100d","abstract_canon_sha256":"0e339b0620bb012f81ac0e5553efbf103407cf20d3c7f8363325faec5a2992ab"},"schema_version":"1.0"},"canonical_sha256":"2700bcba2cc66bac7dd7017f0e85f7d9b352b25eec11822286fa0bbcfdd7ec84","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:10:57.157123Z","signature_b64":"Da0Lpus9a1qqC+v2pih8aDMAn0dsLIuW1oZHrfkoivhkgcAF5/m1n3u9rTOg33s0pBJeY6dMkbrfSHDPpxQlAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2700bcba2cc66bac7dd7017f0e85f7d9b352b25eec11822286fa0bbcfdd7ec84","last_reissued_at":"2026-06-19T16:10:57.156722Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:10:57.156722Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.18294","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":"2026-06-19T16:10:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uNjVcW+ouYmlGNz8HtzG1hpSG6ZuQfTCqRDKEsrtxdYMW1igvDG7cxk/xxyl/XEWODeRgl0stHYdRAyuNntSBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T14:57:48.318794Z"},"content_sha256":"fe4f1ff2d3bcb209c12b6720d29bf731311ac8b736c714413f8a95753d6dea4e","schema_version":"1.0","event_id":"sha256:fe4f1ff2d3bcb209c12b6720d29bf731311ac8b736c714413f8a95753d6dea4e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:E4ALZORMYZV2Y7OXAF7Q5BPX3G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Vision AI Agent for Continuous Material Monitoring of LEGEND-1000 LoFi Reentrant Tube","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["nucl-ex","physics.app-ph"],"primary_cat":"physics.ins-det","authors_text":"Alexander F. Leder, Aobo Li, Brandon T. Turner, Lauren N. O'Brien, Ralph Massarczyk, Sonata Simonaitis-Boyd, Soonhong Lee, Steven R. Elliott","submitted_at":"2026-06-15T19:04:12Z","abstract_excerpt":"We report on a vision AI agent pipeline for non-contact material strain and property extraction from video data, demonstrated on video taken during hydrostatic testing of four OFHC copper cylinders conducted as part of the LEGEND-1000 hardware validation campaign. Traditional strain gauge measurements proved unreliable, motivating a fully-automated agentic alternative. The agent was built on the LangChain framework with Claude Haiku 4.5 as its central reasoning engine, integrating a specialized suite of computer vision tools: FFmpeg for video preprocessing and rotation correction via Hough Lin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18294","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/2606.18294/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":"2026-06-19T16:10:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oEE/dljHbuKLeCXpG8Unwm0uk3hCqsGcN6SJ2XIT0olFMzHn/Ros62L3wMhHX4fRxMM8Ujv8OGBkloy4buB3Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T14:57:48.319170Z"},"content_sha256":"cac930a359008e3b6905b610172d2afe76fb9fb83cf475d9a2022df11d6c8ede","schema_version":"1.0","event_id":"sha256:cac930a359008e3b6905b610172d2afe76fb9fb83cf475d9a2022df11d6c8ede"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E4ALZORMYZV2Y7OXAF7Q5BPX3G/bundle.json","state_url":"https://pith.science/pith/E4ALZORMYZV2Y7OXAF7Q5BPX3G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E4ALZORMYZV2Y7OXAF7Q5BPX3G/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":"2026-06-30T14:57:48Z","links":{"resolver":"https://pith.science/pith/E4ALZORMYZV2Y7OXAF7Q5BPX3G","bundle":"https://pith.science/pith/E4ALZORMYZV2Y7OXAF7Q5BPX3G/bundle.json","state":"https://pith.science/pith/E4ALZORMYZV2Y7OXAF7Q5BPX3G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E4ALZORMYZV2Y7OXAF7Q5BPX3G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:E4ALZORMYZV2Y7OXAF7Q5BPX3G","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":"0e339b0620bb012f81ac0e5553efbf103407cf20d3c7f8363325faec5a2992ab","cross_cats_sorted":["nucl-ex","physics.app-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2026-06-15T19:04:12Z","title_canon_sha256":"ac98040bdf4681762400e16020e54ff536a335a711284f2b7fa8db5d250c100d"},"schema_version":"1.0","source":{"id":"2606.18294","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.18294","created_at":"2026-06-19T16:10:57Z"},{"alias_kind":"arxiv_version","alias_value":"2606.18294v1","created_at":"2026-06-19T16:10:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18294","created_at":"2026-06-19T16:10:57Z"},{"alias_kind":"pith_short_12","alias_value":"E4ALZORMYZV2","created_at":"2026-06-19T16:10:57Z"},{"alias_kind":"pith_short_16","alias_value":"E4ALZORMYZV2Y7OX","created_at":"2026-06-19T16:10:57Z"},{"alias_kind":"pith_short_8","alias_value":"E4ALZORM","created_at":"2026-06-19T16:10:57Z"}],"graph_snapshots":[{"event_id":"sha256:cac930a359008e3b6905b610172d2afe76fb9fb83cf475d9a2022df11d6c8ede","target":"graph","created_at":"2026-06-19T16:10:57Z","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/2606.18294/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report on a vision AI agent pipeline for non-contact material strain and property extraction from video data, demonstrated on video taken during hydrostatic testing of four OFHC copper cylinders conducted as part of the LEGEND-1000 hardware validation campaign. Traditional strain gauge measurements proved unreliable, motivating a fully-automated agentic alternative. The agent was built on the LangChain framework with Claude Haiku 4.5 as its central reasoning engine, integrating a specialized suite of computer vision tools: FFmpeg for video preprocessing and rotation correction via Hough Lin","authors_text":"Alexander F. Leder, Aobo Li, Brandon T. Turner, Lauren N. O'Brien, Ralph Massarczyk, Sonata Simonaitis-Boyd, Soonhong Lee, Steven R. Elliott","cross_cats":["nucl-ex","physics.app-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2026-06-15T19:04:12Z","title":"Vision AI Agent for Continuous Material Monitoring of LEGEND-1000 LoFi Reentrant Tube"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18294","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:fe4f1ff2d3bcb209c12b6720d29bf731311ac8b736c714413f8a95753d6dea4e","target":"record","created_at":"2026-06-19T16:10:57Z","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":"0e339b0620bb012f81ac0e5553efbf103407cf20d3c7f8363325faec5a2992ab","cross_cats_sorted":["nucl-ex","physics.app-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2026-06-15T19:04:12Z","title_canon_sha256":"ac98040bdf4681762400e16020e54ff536a335a711284f2b7fa8db5d250c100d"},"schema_version":"1.0","source":{"id":"2606.18294","kind":"arxiv","version":1}},"canonical_sha256":"2700bcba2cc66bac7dd7017f0e85f7d9b352b25eec11822286fa0bbcfdd7ec84","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2700bcba2cc66bac7dd7017f0e85f7d9b352b25eec11822286fa0bbcfdd7ec84","first_computed_at":"2026-06-19T16:10:57.156722Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:10:57.156722Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Da0Lpus9a1qqC+v2pih8aDMAn0dsLIuW1oZHrfkoivhkgcAF5/m1n3u9rTOg33s0pBJeY6dMkbrfSHDPpxQlAw==","signature_status":"signed_v1","signed_at":"2026-06-19T16:10:57.157123Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.18294","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fe4f1ff2d3bcb209c12b6720d29bf731311ac8b736c714413f8a95753d6dea4e","sha256:cac930a359008e3b6905b610172d2afe76fb9fb83cf475d9a2022df11d6c8ede"],"state_sha256":"454f24375798bd05ca68a503856acf4db52c77a7884d75e2094a8644ae956af0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oYT8cGjkSwN88Hzth8LoGoA72Ob4EVNrnbk8+5rZXupi8kI43s5EzDYDMisd/FCPomjZdvfbZCps7iIwv01LAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T14:57:48.321090Z","bundle_sha256":"b92d08bc8cc44bcf806770043eb4bd9e237bc8932ab93dbe648ca7505a04e023"}}