{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:QEXTY73TD4WSLOPAQWNH4OAXRZ","short_pith_number":"pith:QEXTY73T","canonical_record":{"source":{"id":"1312.6812","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2013-12-24T13:29:36Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"6707c76407209f9d77eabc6a6c66a3bb9fb9eeeedeee85b64397592390eb0f21","abstract_canon_sha256":"e0db821ab76ca75b4475fc95508669e38e0e66c654ffe73b8aea0c04e8d671fb"},"schema_version":"1.0"},"canonical_sha256":"812f3c7f731f2d25b9e0859a7e38178e64b8e02b7db1b094aa9f331e3d4ebf97","source":{"kind":"arxiv","id":"1312.6812","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.6812","created_at":"2026-05-18T01:45:42Z"},{"alias_kind":"arxiv_version","alias_value":"1312.6812v1","created_at":"2026-05-18T01:45:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.6812","created_at":"2026-05-18T01:45:42Z"},{"alias_kind":"pith_short_12","alias_value":"QEXTY73TD4WS","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"QEXTY73TD4WSLOPA","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"QEXTY73T","created_at":"2026-05-18T12:27:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:QEXTY73TD4WSLOPAQWNH4OAXRZ","target":"record","payload":{"canonical_record":{"source":{"id":"1312.6812","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2013-12-24T13:29:36Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"6707c76407209f9d77eabc6a6c66a3bb9fb9eeeedeee85b64397592390eb0f21","abstract_canon_sha256":"e0db821ab76ca75b4475fc95508669e38e0e66c654ffe73b8aea0c04e8d671fb"},"schema_version":"1.0"},"canonical_sha256":"812f3c7f731f2d25b9e0859a7e38178e64b8e02b7db1b094aa9f331e3d4ebf97","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:42.039888Z","signature_b64":"HkYK/DX0+U8It7Sv7nPFBe5NPuYaUbU/R9soMLGrhmz/cZglJARDpXpIECD0i0cOW/gueXYakSjlYUypjOJ/BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"812f3c7f731f2d25b9e0859a7e38178e64b8e02b7db1b094aa9f331e3d4ebf97","last_reissued_at":"2026-05-18T01:45:42.039460Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:42.039460Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.6812","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":"2026-05-18T01:45:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CbuH3eauhb9xZ2Lc/5Bwh2iQ8ABdhYdfxD0nPkaqgV0ovf0O3XcdGdo+kuK4aLF4e7dC/qE3cSLINKgKKUZBAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:51:16.657107Z"},"content_sha256":"1dbf78eda2e85b2fd74f2744d47322a445967332ea1c844ab87a74d585d514ea","schema_version":"1.0","event_id":"sha256:1dbf78eda2e85b2fd74f2744d47322a445967332ea1c844ab87a74d585d514ea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:QEXTY73TD4WSLOPAQWNH4OAXRZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Critical assessment of the evidence for striped nanoparticles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.data-an","authors_text":"Adam Sweetman, Ioannis Lekkas, Josef Granwehr, Julian Stirling, Philip Moriarty, Predrag Djuranovic, Quanmin Guo, Rapha\\\"el L\\'evy","submitted_at":"2013-12-24T13:29:36Z","abstract_excerpt":"There is now a significant body of literature in which it is claimed that stripes form in the ligand shell of suitably functionalised Au nanoparticles. This stripe morphology has been proposed to strongly affect the physicochemical and biochemical properties of the particles. We critique the published evidence for striped nanoparticles in detail, with a particular focus on the interpretation of scanning tunnelling microscopy (STM) data (as this is the only technique which ostensibly provides direct evidence for the presence of stripes). Through a combination of an exhaustive re-analysis of the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.6812","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":"2026-05-18T01:45:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jUIEp5GGm0HlixEwnYtvJ1YgoqetMxjDgU4gECVDJIdzhlar5SuWiZHNygBmUs3oc11F21/c+GkpilR14hhxCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:51:16.657812Z"},"content_sha256":"470f81eee8bc4a5cea1d61ed1aa1a31f8709eebf6e4a7eb77c03c9832330b236","schema_version":"1.0","event_id":"sha256:470f81eee8bc4a5cea1d61ed1aa1a31f8709eebf6e4a7eb77c03c9832330b236"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QEXTY73TD4WSLOPAQWNH4OAXRZ/bundle.json","state_url":"https://pith.science/pith/QEXTY73TD4WSLOPAQWNH4OAXRZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QEXTY73TD4WSLOPAQWNH4OAXRZ/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":"2026-05-31T16:51:16Z","links":{"resolver":"https://pith.science/pith/QEXTY73TD4WSLOPAQWNH4OAXRZ","bundle":"https://pith.science/pith/QEXTY73TD4WSLOPAQWNH4OAXRZ/bundle.json","state":"https://pith.science/pith/QEXTY73TD4WSLOPAQWNH4OAXRZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QEXTY73TD4WSLOPAQWNH4OAXRZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:QEXTY73TD4WSLOPAQWNH4OAXRZ","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":"e0db821ab76ca75b4475fc95508669e38e0e66c654ffe73b8aea0c04e8d671fb","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2013-12-24T13:29:36Z","title_canon_sha256":"6707c76407209f9d77eabc6a6c66a3bb9fb9eeeedeee85b64397592390eb0f21"},"schema_version":"1.0","source":{"id":"1312.6812","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.6812","created_at":"2026-05-18T01:45:42Z"},{"alias_kind":"arxiv_version","alias_value":"1312.6812v1","created_at":"2026-05-18T01:45:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.6812","created_at":"2026-05-18T01:45:42Z"},{"alias_kind":"pith_short_12","alias_value":"QEXTY73TD4WS","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"QEXTY73TD4WSLOPA","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"QEXTY73T","created_at":"2026-05-18T12:27:57Z"}],"graph_snapshots":[{"event_id":"sha256:470f81eee8bc4a5cea1d61ed1aa1a31f8709eebf6e4a7eb77c03c9832330b236","target":"graph","created_at":"2026-05-18T01:45:42Z","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":"There is now a significant body of literature in which it is claimed that stripes form in the ligand shell of suitably functionalised Au nanoparticles. This stripe morphology has been proposed to strongly affect the physicochemical and biochemical properties of the particles. We critique the published evidence for striped nanoparticles in detail, with a particular focus on the interpretation of scanning tunnelling microscopy (STM) data (as this is the only technique which ostensibly provides direct evidence for the presence of stripes). Through a combination of an exhaustive re-analysis of the","authors_text":"Adam Sweetman, Ioannis Lekkas, Josef Granwehr, Julian Stirling, Philip Moriarty, Predrag Djuranovic, Quanmin Guo, Rapha\\\"el L\\'evy","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2013-12-24T13:29:36Z","title":"Critical assessment of the evidence for striped nanoparticles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.6812","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":"sha256:1dbf78eda2e85b2fd74f2744d47322a445967332ea1c844ab87a74d585d514ea","target":"record","created_at":"2026-05-18T01:45:42Z","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":"e0db821ab76ca75b4475fc95508669e38e0e66c654ffe73b8aea0c04e8d671fb","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2013-12-24T13:29:36Z","title_canon_sha256":"6707c76407209f9d77eabc6a6c66a3bb9fb9eeeedeee85b64397592390eb0f21"},"schema_version":"1.0","source":{"id":"1312.6812","kind":"arxiv","version":1}},"canonical_sha256":"812f3c7f731f2d25b9e0859a7e38178e64b8e02b7db1b094aa9f331e3d4ebf97","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"812f3c7f731f2d25b9e0859a7e38178e64b8e02b7db1b094aa9f331e3d4ebf97","first_computed_at":"2026-05-18T01:45:42.039460Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:45:42.039460Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HkYK/DX0+U8It7Sv7nPFBe5NPuYaUbU/R9soMLGrhmz/cZglJARDpXpIECD0i0cOW/gueXYakSjlYUypjOJ/BA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:45:42.039888Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.6812","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1dbf78eda2e85b2fd74f2744d47322a445967332ea1c844ab87a74d585d514ea","sha256:470f81eee8bc4a5cea1d61ed1aa1a31f8709eebf6e4a7eb77c03c9832330b236"],"state_sha256":"37e620b2e40bd8fce59133e2d07838b4a3dafc78783921b285b5b7e0f8ccca67"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DfO9vedhrwti+tibzcpr7cO6gMxmff52l07WfjT04FfEOc76cazMNWZsx8hcARrCtWxwqeYRq7Cp8vVvFKhpCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T16:51:16.661427Z","bundle_sha256":"b7cc3657558f93696e8146d3d22f55d5bedb11fe8fe1f4279c3f9964de80d6cd"}}