{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:WENH5MHHIHG2TXFL4KB4GDTEFG","short_pith_number":"pith:WENH5MHH","canonical_record":{"source":{"id":"2401.00590","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2023-12-31T21:21:51Z","cross_cats_sorted":[],"title_canon_sha256":"cd9d6cb64a8a942931fb2d977f2c9b8f5cf49a54e1c2ad0779dfac1f99dbfeca","abstract_canon_sha256":"69ac0bac75af1306249eace3e8d66cc7263b77471ef640c061998cc412a8234f"},"schema_version":"1.0"},"canonical_sha256":"b11a7eb0e741cda9dcabe283c30e6429a7e5b190d6ed3ce38e0d767c4c8fac4b","source":{"kind":"arxiv","id":"2401.00590","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.00590","created_at":"2026-07-05T08:03:47Z"},{"alias_kind":"arxiv_version","alias_value":"2401.00590v2","created_at":"2026-07-05T08:03:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.00590","created_at":"2026-07-05T08:03:47Z"},{"alias_kind":"pith_short_12","alias_value":"WENH5MHHIHG2","created_at":"2026-07-05T08:03:47Z"},{"alias_kind":"pith_short_16","alias_value":"WENH5MHHIHG2TXFL","created_at":"2026-07-05T08:03:47Z"},{"alias_kind":"pith_short_8","alias_value":"WENH5MHH","created_at":"2026-07-05T08:03:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:WENH5MHHIHG2TXFL4KB4GDTEFG","target":"record","payload":{"canonical_record":{"source":{"id":"2401.00590","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2023-12-31T21:21:51Z","cross_cats_sorted":[],"title_canon_sha256":"cd9d6cb64a8a942931fb2d977f2c9b8f5cf49a54e1c2ad0779dfac1f99dbfeca","abstract_canon_sha256":"69ac0bac75af1306249eace3e8d66cc7263b77471ef640c061998cc412a8234f"},"schema_version":"1.0"},"canonical_sha256":"b11a7eb0e741cda9dcabe283c30e6429a7e5b190d6ed3ce38e0d767c4c8fac4b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:03:47.294984Z","signature_b64":"K6u1tazeEJVKK3cREgr/cc+9buiBqlfRsEhvJdIpyYNI2/95r08la0k4vLOVMdbD3FWkhz+WanvnTYnXqUuADQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b11a7eb0e741cda9dcabe283c30e6429a7e5b190d6ed3ce38e0d767c4c8fac4b","last_reissued_at":"2026-07-05T08:03:47.294505Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:03:47.294505Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2401.00590","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":"2026-07-05T08:03:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/xNRsmOEq0Tfh8JzphOilmLaymUv51odFnTMMdim0B58TcnwYtDzDSEaCSsPWjJECKRLqaqu2NbKt5r7cUdTBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T09:50:41.832824Z"},"content_sha256":"1047f66837aabea01de2b75c3c801ab66ea606c4fbdec72f2e21457e7d64db80","schema_version":"1.0","event_id":"sha256:1047f66837aabea01de2b75c3c801ab66ea606c4fbdec72f2e21457e7d64db80"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:WENH5MHHIHG2TXFL4KB4GDTEFG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Giant Optical Anisotropy in 2D Metal-Organic Chalcogenates","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Adam Alfieri, Bongjun Choi, Deep Jariwala, Eric A. Stach, Greg K. Pribil, Hyeongjun Koh, Jason Lynch, Kiyoung Jo, Mahfujur Rahaman","submitted_at":"2023-12-31T21:21:51Z","abstract_excerpt":"Optical anisotropy is a fundamental attribute of some crystalline materials and is quantified via birefringence. A birefringent crystal not only gives rise to asymmetrical light propagation but also attenuation along two distinct polarizations, a phenomenon called linear dichroism (LD). Two-dimensional (2D) layered materials with high in- and out-of-plane anisotropy have garnered interest in this regard. Mithrene, a 2D metal-organic chalcogenate (MOCHA) compound, exhibits strong excitonic resonances due to its naturally occurring multi-quantum well (MQW) structure and in-plane anisotropic resp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.00590","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/2401.00590/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":"2026-07-05T08:03:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ppk6ZtJo3yyoSCDAUi94ghq5mbyItrwFHkftWxpIEuurjBVqCHpBcaPwkP/94HK8h4H0nPmrwgKyfQ7w/ArhDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T09:50:41.833190Z"},"content_sha256":"675025b5a6be40e1f8627893245ad36e323e0ce7e32f25d54c6feb35bdbc3af2","schema_version":"1.0","event_id":"sha256:675025b5a6be40e1f8627893245ad36e323e0ce7e32f25d54c6feb35bdbc3af2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WENH5MHHIHG2TXFL4KB4GDTEFG/bundle.json","state_url":"https://pith.science/pith/WENH5MHHIHG2TXFL4KB4GDTEFG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WENH5MHHIHG2TXFL4KB4GDTEFG/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":"2026-07-12T09:50:41Z","links":{"resolver":"https://pith.science/pith/WENH5MHHIHG2TXFL4KB4GDTEFG","bundle":"https://pith.science/pith/WENH5MHHIHG2TXFL4KB4GDTEFG/bundle.json","state":"https://pith.science/pith/WENH5MHHIHG2TXFL4KB4GDTEFG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WENH5MHHIHG2TXFL4KB4GDTEFG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:WENH5MHHIHG2TXFL4KB4GDTEFG","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":"69ac0bac75af1306249eace3e8d66cc7263b77471ef640c061998cc412a8234f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2023-12-31T21:21:51Z","title_canon_sha256":"cd9d6cb64a8a942931fb2d977f2c9b8f5cf49a54e1c2ad0779dfac1f99dbfeca"},"schema_version":"1.0","source":{"id":"2401.00590","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.00590","created_at":"2026-07-05T08:03:47Z"},{"alias_kind":"arxiv_version","alias_value":"2401.00590v2","created_at":"2026-07-05T08:03:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.00590","created_at":"2026-07-05T08:03:47Z"},{"alias_kind":"pith_short_12","alias_value":"WENH5MHHIHG2","created_at":"2026-07-05T08:03:47Z"},{"alias_kind":"pith_short_16","alias_value":"WENH5MHHIHG2TXFL","created_at":"2026-07-05T08:03:47Z"},{"alias_kind":"pith_short_8","alias_value":"WENH5MHH","created_at":"2026-07-05T08:03:47Z"}],"graph_snapshots":[{"event_id":"sha256:675025b5a6be40e1f8627893245ad36e323e0ce7e32f25d54c6feb35bdbc3af2","target":"graph","created_at":"2026-07-05T08:03:47Z","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/2401.00590/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Optical anisotropy is a fundamental attribute of some crystalline materials and is quantified via birefringence. A birefringent crystal not only gives rise to asymmetrical light propagation but also attenuation along two distinct polarizations, a phenomenon called linear dichroism (LD). Two-dimensional (2D) layered materials with high in- and out-of-plane anisotropy have garnered interest in this regard. Mithrene, a 2D metal-organic chalcogenate (MOCHA) compound, exhibits strong excitonic resonances due to its naturally occurring multi-quantum well (MQW) structure and in-plane anisotropic resp","authors_text":"Adam Alfieri, Bongjun Choi, Deep Jariwala, Eric A. Stach, Greg K. Pribil, Hyeongjun Koh, Jason Lynch, Kiyoung Jo, Mahfujur Rahaman","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2023-12-31T21:21:51Z","title":"Giant Optical Anisotropy in 2D Metal-Organic Chalcogenates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.00590","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":"sha256:1047f66837aabea01de2b75c3c801ab66ea606c4fbdec72f2e21457e7d64db80","target":"record","created_at":"2026-07-05T08:03:47Z","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":"69ac0bac75af1306249eace3e8d66cc7263b77471ef640c061998cc412a8234f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2023-12-31T21:21:51Z","title_canon_sha256":"cd9d6cb64a8a942931fb2d977f2c9b8f5cf49a54e1c2ad0779dfac1f99dbfeca"},"schema_version":"1.0","source":{"id":"2401.00590","kind":"arxiv","version":2}},"canonical_sha256":"b11a7eb0e741cda9dcabe283c30e6429a7e5b190d6ed3ce38e0d767c4c8fac4b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b11a7eb0e741cda9dcabe283c30e6429a7e5b190d6ed3ce38e0d767c4c8fac4b","first_computed_at":"2026-07-05T08:03:47.294505Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:03:47.294505Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K6u1tazeEJVKK3cREgr/cc+9buiBqlfRsEhvJdIpyYNI2/95r08la0k4vLOVMdbD3FWkhz+WanvnTYnXqUuADQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:03:47.294984Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.00590","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1047f66837aabea01de2b75c3c801ab66ea606c4fbdec72f2e21457e7d64db80","sha256:675025b5a6be40e1f8627893245ad36e323e0ce7e32f25d54c6feb35bdbc3af2"],"state_sha256":"c3f545227772a4b39384910fa09fe846fd2dcf9bc425c179b400aad9d246b55c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PzC5vst4kLh6V92Kkg4Fy6SdCoh+OF3B470jsGgdDmHP9hyyQmRN80sZDghbQF0/rIj8xTHfiBcNuMmPVsdOBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-12T09:50:41.835395Z","bundle_sha256":"3d4ac977f8c93dbda8aeac8ad78d13ea57489d264734c1c876e1725f67845520"}}