{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:QW6GIAR423J6O45T6DQQKK722R","short_pith_number":"pith:QW6GIAR4","canonical_record":{"source":{"id":"1705.05763","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-05-16T15:24:50Z","cross_cats_sorted":[],"title_canon_sha256":"52bc052191d8eecfa2be892e9035b1cf963068a630653926d29cf5575c7edcae","abstract_canon_sha256":"98434d39c2e41966851f20d072b633625448e7a65998f3a31722be53a16c943c"},"schema_version":"1.0"},"canonical_sha256":"85bc64023cd6d3e773b3f0e1052bfad4784566d10af666231924e329e8df4826","source":{"kind":"arxiv","id":"1705.05763","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.05763","created_at":"2026-05-18T00:39:35Z"},{"alias_kind":"arxiv_version","alias_value":"1705.05763v1","created_at":"2026-05-18T00:39:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.05763","created_at":"2026-05-18T00:39:35Z"},{"alias_kind":"pith_short_12","alias_value":"QW6GIAR423J6","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"QW6GIAR423J6O45T","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"QW6GIAR4","created_at":"2026-05-18T12:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:QW6GIAR423J6O45T6DQQKK722R","target":"record","payload":{"canonical_record":{"source":{"id":"1705.05763","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-05-16T15:24:50Z","cross_cats_sorted":[],"title_canon_sha256":"52bc052191d8eecfa2be892e9035b1cf963068a630653926d29cf5575c7edcae","abstract_canon_sha256":"98434d39c2e41966851f20d072b633625448e7a65998f3a31722be53a16c943c"},"schema_version":"1.0"},"canonical_sha256":"85bc64023cd6d3e773b3f0e1052bfad4784566d10af666231924e329e8df4826","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:39:35.031963Z","signature_b64":"tJMHdHkE78SMeiie5VAM4Jk5JV+KbSRYrunj98u6kZHsx6psOpN8haFLuxYiit8Js2aFlu6cT8dck8S6sLMZAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"85bc64023cd6d3e773b3f0e1052bfad4784566d10af666231924e329e8df4826","last_reissued_at":"2026-05-18T00:39:35.031457Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:39:35.031457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.05763","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":"2026-05-18T00:39:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ezmJtTSARdW+eNRcjOJyII7nSTd12PD543eYMstHtB5dFIXzTiNnRast4d5xRvzbAgfGRq5WOAtv4YyIcbHZBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T06:25:22.363736Z"},"content_sha256":"cdb2d83cda57e8d3f9d3b925fd742a7a2396c5410e83a237c101a4440dd7743c","schema_version":"1.0","event_id":"sha256:cdb2d83cda57e8d3f9d3b925fd742a7a2396c5410e83a237c101a4440dd7743c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:QW6GIAR423J6O45T6DQQKK722R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Structural Origin of the Catalytic Properties of Inherently Strained Ultrasmall Decahedral Gold Nanoparticles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Akihide Kuwabara, Edward Boyes, Kenta Yoshida, Michael Walsh, Mungo Pay, Pratibha Gai","submitted_at":"2017-05-16T15:24:50Z","abstract_excerpt":"A new mechanism for reactivity of multiply twinned gold nanoparticles resulting from their inherently strained structure provides a further explanation of the surprising catalytic activity of small gold nanoparticles. Atomic defect structural studies of surface strains and quantitative analysis of atomic column displacements in the decahedral structure observed by aberration corrected transmission electron microscopy reveal an average expansion of surface nearest neighbor distances of 5.6 percent, with many strained by more than 10 percent. Density functional theory calculations of the resulti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.05763","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":"2026-05-18T00:39:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jGMUxgaS/hAj/2rO9bLTOG+T9oUtCYE9kxgzb/c5dIU8cW9J14DuX4Enc+E+QyLQSOQsSOOM0i/fFSUGDsQuBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T06:25:22.364406Z"},"content_sha256":"17b84c54422de2b84b31c2906e3c0fc10878f6d341ce094743c31aba835b591c","schema_version":"1.0","event_id":"sha256:17b84c54422de2b84b31c2906e3c0fc10878f6d341ce094743c31aba835b591c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QW6GIAR423J6O45T6DQQKK722R/bundle.json","state_url":"https://pith.science/pith/QW6GIAR423J6O45T6DQQKK722R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QW6GIAR423J6O45T6DQQKK722R/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":"2026-06-09T06:25:22Z","links":{"resolver":"https://pith.science/pith/QW6GIAR423J6O45T6DQQKK722R","bundle":"https://pith.science/pith/QW6GIAR423J6O45T6DQQKK722R/bundle.json","state":"https://pith.science/pith/QW6GIAR423J6O45T6DQQKK722R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QW6GIAR423J6O45T6DQQKK722R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:QW6GIAR423J6O45T6DQQKK722R","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":"98434d39c2e41966851f20d072b633625448e7a65998f3a31722be53a16c943c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-05-16T15:24:50Z","title_canon_sha256":"52bc052191d8eecfa2be892e9035b1cf963068a630653926d29cf5575c7edcae"},"schema_version":"1.0","source":{"id":"1705.05763","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.05763","created_at":"2026-05-18T00:39:35Z"},{"alias_kind":"arxiv_version","alias_value":"1705.05763v1","created_at":"2026-05-18T00:39:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.05763","created_at":"2026-05-18T00:39:35Z"},{"alias_kind":"pith_short_12","alias_value":"QW6GIAR423J6","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"QW6GIAR423J6O45T","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"QW6GIAR4","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:17b84c54422de2b84b31c2906e3c0fc10878f6d341ce094743c31aba835b591c","target":"graph","created_at":"2026-05-18T00:39:35Z","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":"A new mechanism for reactivity of multiply twinned gold nanoparticles resulting from their inherently strained structure provides a further explanation of the surprising catalytic activity of small gold nanoparticles. Atomic defect structural studies of surface strains and quantitative analysis of atomic column displacements in the decahedral structure observed by aberration corrected transmission electron microscopy reveal an average expansion of surface nearest neighbor distances of 5.6 percent, with many strained by more than 10 percent. Density functional theory calculations of the resulti","authors_text":"Akihide Kuwabara, Edward Boyes, Kenta Yoshida, Michael Walsh, Mungo Pay, Pratibha Gai","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-05-16T15:24:50Z","title":"On the Structural Origin of the Catalytic Properties of Inherently Strained Ultrasmall Decahedral Gold Nanoparticles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.05763","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:cdb2d83cda57e8d3f9d3b925fd742a7a2396c5410e83a237c101a4440dd7743c","target":"record","created_at":"2026-05-18T00:39:35Z","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":"98434d39c2e41966851f20d072b633625448e7a65998f3a31722be53a16c943c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-05-16T15:24:50Z","title_canon_sha256":"52bc052191d8eecfa2be892e9035b1cf963068a630653926d29cf5575c7edcae"},"schema_version":"1.0","source":{"id":"1705.05763","kind":"arxiv","version":1}},"canonical_sha256":"85bc64023cd6d3e773b3f0e1052bfad4784566d10af666231924e329e8df4826","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"85bc64023cd6d3e773b3f0e1052bfad4784566d10af666231924e329e8df4826","first_computed_at":"2026-05-18T00:39:35.031457Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:39:35.031457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tJMHdHkE78SMeiie5VAM4Jk5JV+KbSRYrunj98u6kZHsx6psOpN8haFLuxYiit8Js2aFlu6cT8dck8S6sLMZAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:39:35.031963Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.05763","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cdb2d83cda57e8d3f9d3b925fd742a7a2396c5410e83a237c101a4440dd7743c","sha256:17b84c54422de2b84b31c2906e3c0fc10878f6d341ce094743c31aba835b591c"],"state_sha256":"b814e289dca77eb3e8c06f478478b6b451701a07e0c630e0dd7ff99ef65411b0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VcZWMm0RVt75ZKTF5M5wXTCEuCof1u3lTYQJr7jPgY+LwFHNMWvM2GjqnR67YGe8M+QbMcxxDPfNy8UjF2mIAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T06:25:22.368440Z","bundle_sha256":"2283a8f1b960909f6dcd90b24c03d3456e542ec623f5e9a4c617b80a7fb9af54"}}