{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:CDHHZUO6HJ7HAGCR2ZVGCRTIGJ","short_pith_number":"pith:CDHHZUO6","canonical_record":{"source":{"id":"2310.03134","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2023-10-04T19:48:09Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"718f97df9b26f9e3a2b08a6b846e1ddbd1fd8acc3309410e3a03987ae534418e","abstract_canon_sha256":"bcaee90f2a0fabccccf2b626a13851897c3c1b8ac9f6ad7be56f769cf21c97b8"},"schema_version":"1.0"},"canonical_sha256":"10ce7cd1de3a7e701851d66a61466832511f318ef571d6ff2c7274e4d22644b3","source":{"kind":"arxiv","id":"2310.03134","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.03134","created_at":"2026-07-05T06:57:29Z"},{"alias_kind":"arxiv_version","alias_value":"2310.03134v1","created_at":"2026-07-05T06:57:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.03134","created_at":"2026-07-05T06:57:29Z"},{"alias_kind":"pith_short_12","alias_value":"CDHHZUO6HJ7H","created_at":"2026-07-05T06:57:29Z"},{"alias_kind":"pith_short_16","alias_value":"CDHHZUO6HJ7HAGCR","created_at":"2026-07-05T06:57:29Z"},{"alias_kind":"pith_short_8","alias_value":"CDHHZUO6","created_at":"2026-07-05T06:57:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:CDHHZUO6HJ7HAGCR2ZVGCRTIGJ","target":"record","payload":{"canonical_record":{"source":{"id":"2310.03134","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2023-10-04T19:48:09Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"718f97df9b26f9e3a2b08a6b846e1ddbd1fd8acc3309410e3a03987ae534418e","abstract_canon_sha256":"bcaee90f2a0fabccccf2b626a13851897c3c1b8ac9f6ad7be56f769cf21c97b8"},"schema_version":"1.0"},"canonical_sha256":"10ce7cd1de3a7e701851d66a61466832511f318ef571d6ff2c7274e4d22644b3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:57:29.144517Z","signature_b64":"du/52hYPg+wbbZTS7d6Ucxbk8+AG9zWf70QWA3V/WzBK7xKH811nyLnM5BbZ/YrOAooKV85SsBvIkuH1JWVbDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"10ce7cd1de3a7e701851d66a61466832511f318ef571d6ff2c7274e4d22644b3","last_reissued_at":"2026-07-05T06:57:29.144098Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:57:29.144098Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2310.03134","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":"2026-07-05T06:57:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"taadOc7XQ5XxzieOr6YRKgBcHyS4eiQUuH3IXew6A0kmyBK1X6rxfrAR/U4KjsWYLml0lw4dS/d6BlFX22xtAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T13:31:47.252832Z"},"content_sha256":"ef4e8f0c078d9cb7a38fcdfe5b00a038a654b2830dccf2160453837d6f4f46d9","schema_version":"1.0","event_id":"sha256:ef4e8f0c078d9cb7a38fcdfe5b00a038a654b2830dccf2160453837d6f4f46d9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:CDHHZUO6HJ7HAGCR2ZVGCRTIGJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical penetration depth and periodic motion of a photomechanical strip","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.soft","authors_text":"Ameneh Maghsoodi, Kaushik Bhattacharya","submitted_at":"2023-10-04T19:48:09Z","abstract_excerpt":"Liquid crystal elastomers (LCEs) containing light-sensitive molecules exhibit large reversible deformation when subjected to illumination. Here, we investigate the role of optical penetration depth on this photomechanical response. We present a model of the photomechanical behavior of photoactive LCE strips under illumination that goes beyond the common assumption of shallow penetration. This model reveals how the optical penetration depth and the consequent photomechanically induced deformation can depend on the concentration of photoactive molecules, their absorption cross-sections, and the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.03134","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/2310.03134/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":"2026-07-05T06:57:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vh4zUEIDlMd68H0f6ZaDK3wvoirawFI8G890wvXW3SHFVaFCIozAGnP5ewLalTk0zYzPLK7TIe+9tvPlXGDwAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T13:31:47.253714Z"},"content_sha256":"ba2ae75051d50aa9bf1b2c9db93c0602d0729ba9465ca9f32f7b70c3c9da8bac","schema_version":"1.0","event_id":"sha256:ba2ae75051d50aa9bf1b2c9db93c0602d0729ba9465ca9f32f7b70c3c9da8bac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CDHHZUO6HJ7HAGCR2ZVGCRTIGJ/bundle.json","state_url":"https://pith.science/pith/CDHHZUO6HJ7HAGCR2ZVGCRTIGJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CDHHZUO6HJ7HAGCR2ZVGCRTIGJ/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":"2026-08-12T13:31:47Z","links":{"resolver":"https://pith.science/pith/CDHHZUO6HJ7HAGCR2ZVGCRTIGJ","bundle":"https://pith.science/pith/CDHHZUO6HJ7HAGCR2ZVGCRTIGJ/bundle.json","state":"https://pith.science/pith/CDHHZUO6HJ7HAGCR2ZVGCRTIGJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CDHHZUO6HJ7HAGCR2ZVGCRTIGJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:CDHHZUO6HJ7HAGCR2ZVGCRTIGJ","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":"bcaee90f2a0fabccccf2b626a13851897c3c1b8ac9f6ad7be56f769cf21c97b8","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2023-10-04T19:48:09Z","title_canon_sha256":"718f97df9b26f9e3a2b08a6b846e1ddbd1fd8acc3309410e3a03987ae534418e"},"schema_version":"1.0","source":{"id":"2310.03134","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.03134","created_at":"2026-07-05T06:57:29Z"},{"alias_kind":"arxiv_version","alias_value":"2310.03134v1","created_at":"2026-07-05T06:57:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.03134","created_at":"2026-07-05T06:57:29Z"},{"alias_kind":"pith_short_12","alias_value":"CDHHZUO6HJ7H","created_at":"2026-07-05T06:57:29Z"},{"alias_kind":"pith_short_16","alias_value":"CDHHZUO6HJ7HAGCR","created_at":"2026-07-05T06:57:29Z"},{"alias_kind":"pith_short_8","alias_value":"CDHHZUO6","created_at":"2026-07-05T06:57:29Z"}],"graph_snapshots":[{"event_id":"sha256:ba2ae75051d50aa9bf1b2c9db93c0602d0729ba9465ca9f32f7b70c3c9da8bac","target":"graph","created_at":"2026-07-05T06:57:29Z","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/2310.03134/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Liquid crystal elastomers (LCEs) containing light-sensitive molecules exhibit large reversible deformation when subjected to illumination. Here, we investigate the role of optical penetration depth on this photomechanical response. We present a model of the photomechanical behavior of photoactive LCE strips under illumination that goes beyond the common assumption of shallow penetration. This model reveals how the optical penetration depth and the consequent photomechanically induced deformation can depend on the concentration of photoactive molecules, their absorption cross-sections, and the ","authors_text":"Ameneh Maghsoodi, Kaushik Bhattacharya","cross_cats":["physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2023-10-04T19:48:09Z","title":"Optical penetration depth and periodic motion of a photomechanical strip"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.03134","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:ef4e8f0c078d9cb7a38fcdfe5b00a038a654b2830dccf2160453837d6f4f46d9","target":"record","created_at":"2026-07-05T06:57:29Z","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":"bcaee90f2a0fabccccf2b626a13851897c3c1b8ac9f6ad7be56f769cf21c97b8","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2023-10-04T19:48:09Z","title_canon_sha256":"718f97df9b26f9e3a2b08a6b846e1ddbd1fd8acc3309410e3a03987ae534418e"},"schema_version":"1.0","source":{"id":"2310.03134","kind":"arxiv","version":1}},"canonical_sha256":"10ce7cd1de3a7e701851d66a61466832511f318ef571d6ff2c7274e4d22644b3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"10ce7cd1de3a7e701851d66a61466832511f318ef571d6ff2c7274e4d22644b3","first_computed_at":"2026-07-05T06:57:29.144098Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:57:29.144098Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"du/52hYPg+wbbZTS7d6Ucxbk8+AG9zWf70QWA3V/WzBK7xKH811nyLnM5BbZ/YrOAooKV85SsBvIkuH1JWVbDw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:57:29.144517Z","signed_message":"canonical_sha256_bytes"},"source_id":"2310.03134","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ef4e8f0c078d9cb7a38fcdfe5b00a038a654b2830dccf2160453837d6f4f46d9","sha256:ba2ae75051d50aa9bf1b2c9db93c0602d0729ba9465ca9f32f7b70c3c9da8bac"],"state_sha256":"870bd4d91e5334f3eb613d77a42fa54013f8350583619b6419b4a4e13064a3df"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RVzF//0jAFruGUZLUIh5xjESoVoDvu11BKw/SNAfDQgUOWVnKYB5njH4/V5sBKYqBfm691Qs6DO+JZG1b0h4CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T13:31:47.260301Z","bundle_sha256":"0ce6cf1767aadc03d1f41835f447f88ac61152792ddd14441a9c6cdd6126d911"}}