{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:SEPK2NVRX3E7NJQZXVYOZRTETW","short_pith_number":"pith:SEPK2NVR","canonical_record":{"source":{"id":"physics/0401059","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.chem-ph","submitted_at":"2004-01-12T16:11:18Z","cross_cats_sorted":[],"title_canon_sha256":"4490a065740e33059260f1c49e1d8f378d6286f2908cc641b477b1a8d4b84fbe","abstract_canon_sha256":"01bbdaebbd706f0535ecf700c7f6439d9871a5d1317f27bb6fff15e0440a3cf8"},"schema_version":"1.0"},"canonical_sha256":"911ead36b1bec9f6a619bd70ecc6649db5a555e41d2b427131be59a62026b2fe","source":{"kind":"arxiv","id":"physics/0401059","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0401059","created_at":"2026-05-18T03:47:09Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0401059v1","created_at":"2026-05-18T03:47:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0401059","created_at":"2026-05-18T03:47:09Z"},{"alias_kind":"pith_short_12","alias_value":"SEPK2NVRX3E7","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"SEPK2NVRX3E7NJQZ","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"SEPK2NVR","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:SEPK2NVRX3E7NJQZXVYOZRTETW","target":"record","payload":{"canonical_record":{"source":{"id":"physics/0401059","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.chem-ph","submitted_at":"2004-01-12T16:11:18Z","cross_cats_sorted":[],"title_canon_sha256":"4490a065740e33059260f1c49e1d8f378d6286f2908cc641b477b1a8d4b84fbe","abstract_canon_sha256":"01bbdaebbd706f0535ecf700c7f6439d9871a5d1317f27bb6fff15e0440a3cf8"},"schema_version":"1.0"},"canonical_sha256":"911ead36b1bec9f6a619bd70ecc6649db5a555e41d2b427131be59a62026b2fe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:47:09.501067Z","signature_b64":"d1lDVFm63rw6x6njQjFlA7pTnPmb96Xn/dIgtnfRo5cj+zSiSB6k1iqrrrw1HJiU567Mgp2I/1+eqRgLfIBJDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"911ead36b1bec9f6a619bd70ecc6649db5a555e41d2b427131be59a62026b2fe","last_reissued_at":"2026-05-18T03:47:09.500623Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:47:09.500623Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"physics/0401059","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":"2026-05-18T03:47:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M+FawvPrg8vX6wytGRe0LNOzzU68RkwL2rjM9rLjNBn9tE7URMr7R0BQTI+nROUB0qGGeGu0bDJgvNGy4FDiBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T03:47:52.127628Z"},"content_sha256":"ab1113b89f4713938eff3e620a17a19fcab43494d06966d49fb1bca3eb154951","schema_version":"1.0","event_id":"sha256:ab1113b89f4713938eff3e620a17a19fcab43494d06966d49fb1bca3eb154951"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:SEPK2NVRX3E7NJQZXVYOZRTETW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Efficient, rapid one-electron photooxidation of chemisorbed polyhydroxyl alcohols and carbohydrates by TiO2 nanoparticles in an aqueous solution","license":"","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"D. Gosztola (ANL), I. A. Shkrob, Jr., M. C. Sauer","submitted_at":"2004-01-12T16:11:18Z","abstract_excerpt":"Time-resolved transient absorption spectroscopy has been used to study nanosecond and sub-microsecond electron dynamics in aqueous anatase nanoparticles in the presence of hole scavengers: chemisorbed polyols and carbohydrates. These polyhydroxylated compounds are rapidly oxidized by the holes; 50-60% of these holes are scavenged within the duration of 355 nm excitation laser pulse. The scavenging efficiency rapidly increases with the number of anchoring hydroxyl groups and varies considerably as a function of the carbohydrate structure. A specific binding site for the polyols and carbohydrate"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0401059","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":"2026-05-18T03:47:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yQs+zFVVyW/7NGazLDghMf11x/Z8etqweALMfNL6AjTbc05ikQHD+XCAJjwzgviMbjoh2ypFlc1LMEiK0MVIAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T03:47:52.127975Z"},"content_sha256":"de7ebfdc1be7243c26ace63168bcc19360bb96928bcf6d98c83c78712ec74359","schema_version":"1.0","event_id":"sha256:de7ebfdc1be7243c26ace63168bcc19360bb96928bcf6d98c83c78712ec74359"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SEPK2NVRX3E7NJQZXVYOZRTETW/bundle.json","state_url":"https://pith.science/pith/SEPK2NVRX3E7NJQZXVYOZRTETW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SEPK2NVRX3E7NJQZXVYOZRTETW/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":"2026-06-28T03:47:52Z","links":{"resolver":"https://pith.science/pith/SEPK2NVRX3E7NJQZXVYOZRTETW","bundle":"https://pith.science/pith/SEPK2NVRX3E7NJQZXVYOZRTETW/bundle.json","state":"https://pith.science/pith/SEPK2NVRX3E7NJQZXVYOZRTETW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SEPK2NVRX3E7NJQZXVYOZRTETW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:SEPK2NVRX3E7NJQZXVYOZRTETW","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":"01bbdaebbd706f0535ecf700c7f6439d9871a5d1317f27bb6fff15e0440a3cf8","cross_cats_sorted":[],"license":"","primary_cat":"physics.chem-ph","submitted_at":"2004-01-12T16:11:18Z","title_canon_sha256":"4490a065740e33059260f1c49e1d8f378d6286f2908cc641b477b1a8d4b84fbe"},"schema_version":"1.0","source":{"id":"physics/0401059","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0401059","created_at":"2026-05-18T03:47:09Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0401059v1","created_at":"2026-05-18T03:47:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0401059","created_at":"2026-05-18T03:47:09Z"},{"alias_kind":"pith_short_12","alias_value":"SEPK2NVRX3E7","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"SEPK2NVRX3E7NJQZ","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"SEPK2NVR","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:de7ebfdc1be7243c26ace63168bcc19360bb96928bcf6d98c83c78712ec74359","target":"graph","created_at":"2026-05-18T03:47:09Z","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":"Time-resolved transient absorption spectroscopy has been used to study nanosecond and sub-microsecond electron dynamics in aqueous anatase nanoparticles in the presence of hole scavengers: chemisorbed polyols and carbohydrates. These polyhydroxylated compounds are rapidly oxidized by the holes; 50-60% of these holes are scavenged within the duration of 355 nm excitation laser pulse. The scavenging efficiency rapidly increases with the number of anchoring hydroxyl groups and varies considerably as a function of the carbohydrate structure. A specific binding site for the polyols and carbohydrate","authors_text":"D. Gosztola (ANL), I. A. Shkrob, Jr., M. C. Sauer","cross_cats":[],"headline":"","license":"","primary_cat":"physics.chem-ph","submitted_at":"2004-01-12T16:11:18Z","title":"Efficient, rapid one-electron photooxidation of chemisorbed polyhydroxyl alcohols and carbohydrates by TiO2 nanoparticles in an aqueous solution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0401059","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:ab1113b89f4713938eff3e620a17a19fcab43494d06966d49fb1bca3eb154951","target":"record","created_at":"2026-05-18T03:47:09Z","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":"01bbdaebbd706f0535ecf700c7f6439d9871a5d1317f27bb6fff15e0440a3cf8","cross_cats_sorted":[],"license":"","primary_cat":"physics.chem-ph","submitted_at":"2004-01-12T16:11:18Z","title_canon_sha256":"4490a065740e33059260f1c49e1d8f378d6286f2908cc641b477b1a8d4b84fbe"},"schema_version":"1.0","source":{"id":"physics/0401059","kind":"arxiv","version":1}},"canonical_sha256":"911ead36b1bec9f6a619bd70ecc6649db5a555e41d2b427131be59a62026b2fe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"911ead36b1bec9f6a619bd70ecc6649db5a555e41d2b427131be59a62026b2fe","first_computed_at":"2026-05-18T03:47:09.500623Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:47:09.500623Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"d1lDVFm63rw6x6njQjFlA7pTnPmb96Xn/dIgtnfRo5cj+zSiSB6k1iqrrrw1HJiU567Mgp2I/1+eqRgLfIBJDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:47:09.501067Z","signed_message":"canonical_sha256_bytes"},"source_id":"physics/0401059","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab1113b89f4713938eff3e620a17a19fcab43494d06966d49fb1bca3eb154951","sha256:de7ebfdc1be7243c26ace63168bcc19360bb96928bcf6d98c83c78712ec74359"],"state_sha256":"6d880b1544171c623c61a3e7fd9a374e95c2763d7d871be55af94df92cacd1e6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1GmYfDgGH8U0OUErz87fWilf1vaJP8jqDElsjZaAgAPV64friYlfYqKt87/Qk5WqqZZaYIocK2mAZtTmA9zqAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T03:47:52.129867Z","bundle_sha256":"fec064ef6482be48817ab983039d9275527d4bd4b53aa499d6ee7c4836ba0518"}}