{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:6Y3ZJT67QB4LFOVXD4VV5SBGBE","short_pith_number":"pith:6Y3ZJT67","canonical_record":{"source":{"id":"1906.10984","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2019-06-26T11:37:56Z","cross_cats_sorted":[],"title_canon_sha256":"530d56eb6e1cd1a6312cfcd014457abef7cd008c02d0ee3dfc4cea1cd25ca328","abstract_canon_sha256":"d5cc768475dc83951d883df9d2c0595fbe874ddfcb0197a47528f8143241968d"},"schema_version":"1.0"},"canonical_sha256":"f63794cfdf8078b2bab71f2b5ec826093192c8197c7db97d0e212d899e6cbdfb","source":{"kind":"arxiv","id":"1906.10984","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.10984","created_at":"2026-05-17T23:42:10Z"},{"alias_kind":"arxiv_version","alias_value":"1906.10984v1","created_at":"2026-05-17T23:42:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.10984","created_at":"2026-05-17T23:42:10Z"},{"alias_kind":"pith_short_12","alias_value":"6Y3ZJT67QB4L","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"6Y3ZJT67QB4LFOVX","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"6Y3ZJT67","created_at":"2026-05-18T12:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:6Y3ZJT67QB4LFOVXD4VV5SBGBE","target":"record","payload":{"canonical_record":{"source":{"id":"1906.10984","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2019-06-26T11:37:56Z","cross_cats_sorted":[],"title_canon_sha256":"530d56eb6e1cd1a6312cfcd014457abef7cd008c02d0ee3dfc4cea1cd25ca328","abstract_canon_sha256":"d5cc768475dc83951d883df9d2c0595fbe874ddfcb0197a47528f8143241968d"},"schema_version":"1.0"},"canonical_sha256":"f63794cfdf8078b2bab71f2b5ec826093192c8197c7db97d0e212d899e6cbdfb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:10.356766Z","signature_b64":"ZG8DkOVah0x860n+Ho1Ca2TycyVTVYplUZIN5vD3vpekhqSt8rZpiXAGDeanMqCty3hE6XjO+bP69aEFja63AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f63794cfdf8078b2bab71f2b5ec826093192c8197c7db97d0e212d899e6cbdfb","last_reissued_at":"2026-05-17T23:42:10.356154Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:10.356154Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.10984","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":"2026-05-17T23:42:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zPcaQ8A3vKE668G9eP/+rzdM1KGAxerNDNgYtwZ/L5Z3jne/PZJSf1KtArM8kAEHVt56iarBrsWjpjev5/clDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T20:56:42.573102Z"},"content_sha256":"f32c5e7b5d94a00d73e03c31612f737153d5106ec7a46a47ba3d750e050b95f7","schema_version":"1.0","event_id":"sha256:f32c5e7b5d94a00d73e03c31612f737153d5106ec7a46a47ba3d750e050b95f7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:6Y3ZJT67QB4LFOVXD4VV5SBGBE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chemically reversible isomerization of inorganic clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Andrew Nelson, Curtis B. Williamson, Douglas R. Nevers, Ido Hadar, Richard D. Robinson, Tobias Hanrath, Uri Banin","submitted_at":"2019-06-26T11:37:56Z","abstract_excerpt":"Structural transformations in molecules and solids have generally been studied in isolation, while intermediate systems have eluded characterization. We show that a pair of CdS cluster isomers provides an advantageous experimental platform to study isomerization in well-defined atomically precise systems. The clusters coherently interconvert over an est. 1 eV energy barrier with a 140 meV shift in their excitonic energy gaps. There is a diffusionless, displacive reconfiguration of the inorganic core (solid-solid transformation) with first order (isomerization-like) transformation kinetics. Dri"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.10984","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":""},"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":"2026-05-17T23:42:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z5fzIAr6UplEwwhkDIzndG5+6rLckbl7Oe9aQ/Bsq2bBbZbrckxtmxdyfslDWtF23mp7JsC7EK6enunIJpgQAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T20:56:42.573459Z"},"content_sha256":"f3c7c58fb24fc3815236ebaed5d84402638d34a9b14479d27b9711be1c1091ee","schema_version":"1.0","event_id":"sha256:f3c7c58fb24fc3815236ebaed5d84402638d34a9b14479d27b9711be1c1091ee"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6Y3ZJT67QB4LFOVXD4VV5SBGBE/bundle.json","state_url":"https://pith.science/pith/6Y3ZJT67QB4LFOVXD4VV5SBGBE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6Y3ZJT67QB4LFOVXD4VV5SBGBE/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":"2026-06-10T20:56:42Z","links":{"resolver":"https://pith.science/pith/6Y3ZJT67QB4LFOVXD4VV5SBGBE","bundle":"https://pith.science/pith/6Y3ZJT67QB4LFOVXD4VV5SBGBE/bundle.json","state":"https://pith.science/pith/6Y3ZJT67QB4LFOVXD4VV5SBGBE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6Y3ZJT67QB4LFOVXD4VV5SBGBE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:6Y3ZJT67QB4LFOVXD4VV5SBGBE","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":"d5cc768475dc83951d883df9d2c0595fbe874ddfcb0197a47528f8143241968d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2019-06-26T11:37:56Z","title_canon_sha256":"530d56eb6e1cd1a6312cfcd014457abef7cd008c02d0ee3dfc4cea1cd25ca328"},"schema_version":"1.0","source":{"id":"1906.10984","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.10984","created_at":"2026-05-17T23:42:10Z"},{"alias_kind":"arxiv_version","alias_value":"1906.10984v1","created_at":"2026-05-17T23:42:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.10984","created_at":"2026-05-17T23:42:10Z"},{"alias_kind":"pith_short_12","alias_value":"6Y3ZJT67QB4L","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"6Y3ZJT67QB4LFOVX","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"6Y3ZJT67","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:f3c7c58fb24fc3815236ebaed5d84402638d34a9b14479d27b9711be1c1091ee","target":"graph","created_at":"2026-05-17T23:42:10Z","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"},"paper":{"abstract_excerpt":"Structural transformations in molecules and solids have generally been studied in isolation, while intermediate systems have eluded characterization. We show that a pair of CdS cluster isomers provides an advantageous experimental platform to study isomerization in well-defined atomically precise systems. The clusters coherently interconvert over an est. 1 eV energy barrier with a 140 meV shift in their excitonic energy gaps. There is a diffusionless, displacive reconfiguration of the inorganic core (solid-solid transformation) with first order (isomerization-like) transformation kinetics. Dri","authors_text":"Andrew Nelson, Curtis B. Williamson, Douglas R. Nevers, Ido Hadar, Richard D. Robinson, Tobias Hanrath, Uri Banin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2019-06-26T11:37:56Z","title":"Chemically reversible isomerization of inorganic clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.10984","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:f32c5e7b5d94a00d73e03c31612f737153d5106ec7a46a47ba3d750e050b95f7","target":"record","created_at":"2026-05-17T23:42:10Z","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":"d5cc768475dc83951d883df9d2c0595fbe874ddfcb0197a47528f8143241968d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2019-06-26T11:37:56Z","title_canon_sha256":"530d56eb6e1cd1a6312cfcd014457abef7cd008c02d0ee3dfc4cea1cd25ca328"},"schema_version":"1.0","source":{"id":"1906.10984","kind":"arxiv","version":1}},"canonical_sha256":"f63794cfdf8078b2bab71f2b5ec826093192c8197c7db97d0e212d899e6cbdfb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f63794cfdf8078b2bab71f2b5ec826093192c8197c7db97d0e212d899e6cbdfb","first_computed_at":"2026-05-17T23:42:10.356154Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:10.356154Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZG8DkOVah0x860n+Ho1Ca2TycyVTVYplUZIN5vD3vpekhqSt8rZpiXAGDeanMqCty3hE6XjO+bP69aEFja63AA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:10.356766Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.10984","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f32c5e7b5d94a00d73e03c31612f737153d5106ec7a46a47ba3d750e050b95f7","sha256:f3c7c58fb24fc3815236ebaed5d84402638d34a9b14479d27b9711be1c1091ee"],"state_sha256":"9b5e7ae816961a8593292832135c98370d376040fd889828b94a338c312a0e14"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rWSqGo+aMEMcaETA3VWfTHiRNvWuWtPkbyLSpUn1Atc1nZmwh2Nawj6+VJYUiv5jcDyGexpdtF1Ywct2o9kqBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T20:56:42.575497Z","bundle_sha256":"87389fc2ec92cd9152194921b2748aab0b0b1bad5f2343552e4e119aa415acf8"}}