{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:N2QJUOO6GSL3WYI37DPD25AFGC","short_pith_number":"pith:N2QJUOO6","canonical_record":{"source":{"id":"2412.07785","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2024-11-25T17:43:27Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"c6bc3b9bddd47fb980dc4dd7cb6b6b02291dbdc1521beea3e62a8ea3e52a972e","abstract_canon_sha256":"98b050296699f2c0870974d9c189d9272f3237dd6b1c60ea18e881fde5c7fff2"},"schema_version":"1.0"},"canonical_sha256":"6ea09a39de3497bb611bf8de3d740530a382d442e302a8353e4bd39f84744a1c","source":{"kind":"arxiv","id":"2412.07785","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.07785","created_at":"2026-07-05T09:47:39Z"},{"alias_kind":"arxiv_version","alias_value":"2412.07785v1","created_at":"2026-07-05T09:47:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.07785","created_at":"2026-07-05T09:47:39Z"},{"alias_kind":"pith_short_12","alias_value":"N2QJUOO6GSL3","created_at":"2026-07-05T09:47:39Z"},{"alias_kind":"pith_short_16","alias_value":"N2QJUOO6GSL3WYI3","created_at":"2026-07-05T09:47:39Z"},{"alias_kind":"pith_short_8","alias_value":"N2QJUOO6","created_at":"2026-07-05T09:47:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:N2QJUOO6GSL3WYI37DPD25AFGC","target":"record","payload":{"canonical_record":{"source":{"id":"2412.07785","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2024-11-25T17:43:27Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"c6bc3b9bddd47fb980dc4dd7cb6b6b02291dbdc1521beea3e62a8ea3e52a972e","abstract_canon_sha256":"98b050296699f2c0870974d9c189d9272f3237dd6b1c60ea18e881fde5c7fff2"},"schema_version":"1.0"},"canonical_sha256":"6ea09a39de3497bb611bf8de3d740530a382d442e302a8353e4bd39f84744a1c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:47:39.043929Z","signature_b64":"wJgD8Q9BEk70EPoGvEeNSbvtoNMkySoTkh9DPdq1yVUEqskpsUuVOpMSyd1ZGNOAFcNDPBS14CT9gid2JlTyDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6ea09a39de3497bb611bf8de3d740530a382d442e302a8353e4bd39f84744a1c","last_reissued_at":"2026-07-05T09:47:39.043473Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:47:39.043473Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.07785","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":"2026-07-05T09:47:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AiwAe5Zgh4TRyPfgey6XM7BADfUQQ7h/Gk0DkzTpmpl5mdbAxHg4r6YBFATfUVgynpbdQICc1cDVfbZ5kD+lCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T05:40:26.748369Z"},"content_sha256":"85ac60afc4319dd2c9908d3bcf6b949a41205ab3666d843f207329acdb25c2a3","schema_version":"1.0","event_id":"sha256:85ac60afc4319dd2c9908d3bcf6b949a41205ab3666d843f207329acdb25c2a3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:N2QJUOO6GSL3WYI37DPD25AFGC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gold diamond Nanocomposites Efficiently Generate Hydrated Electrons upon Absorption of Visible Light","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.optics","authors_text":"Alessandra Paladini, Alessandro Bellucci, Daniele Catone, Faustino Martelli, Francesco Toschi, Giuseppe Ammirati, Lionel C. Gontard, Patrick O'Keeffe, Roberto Matassa, Silvia Orlanducci, Stefano Turchini","submitted_at":"2024-11-25T17:43:27Z","abstract_excerpt":"An efficient source of hydrated electrons generated by visible light has the potential to have a major impact on solar homogeneous catalysis. Diamond has potentially a high capability of emitting hydrated electrons, but only using ultraviolet light (lambda<225 nm). In this work, we demonstrate the efficient absorption of visible light by nanocomposites consisting of detonation nanodiamonds and gold nanoparticles (AuNP@DNDs), which subsequently emit electrons into the aqueous environment in which they are suspended. This has been done by exciting the AuNP@DND with visible laser light and monito"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.07785","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2412.07785/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":"2026-07-05T09:47:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3wCgJdtTMjxSwGbOWtq37Nq8ODcJlx/Wytk/8GAcSdkXj2pvbhaZiNV5JPfRpWL/wBK+ZRgQMwTiNNHG9ZlKAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T05:40:26.749014Z"},"content_sha256":"21eec356b355f3f2f15e6b9cde600e56aaf7332e4687c9b815ad2cc353e71e0d","schema_version":"1.0","event_id":"sha256:21eec356b355f3f2f15e6b9cde600e56aaf7332e4687c9b815ad2cc353e71e0d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N2QJUOO6GSL3WYI37DPD25AFGC/bundle.json","state_url":"https://pith.science/pith/N2QJUOO6GSL3WYI37DPD25AFGC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N2QJUOO6GSL3WYI37DPD25AFGC/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":"2026-07-09T05:40:26Z","links":{"resolver":"https://pith.science/pith/N2QJUOO6GSL3WYI37DPD25AFGC","bundle":"https://pith.science/pith/N2QJUOO6GSL3WYI37DPD25AFGC/bundle.json","state":"https://pith.science/pith/N2QJUOO6GSL3WYI37DPD25AFGC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N2QJUOO6GSL3WYI37DPD25AFGC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:N2QJUOO6GSL3WYI37DPD25AFGC","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":"98b050296699f2c0870974d9c189d9272f3237dd6b1c60ea18e881fde5c7fff2","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2024-11-25T17:43:27Z","title_canon_sha256":"c6bc3b9bddd47fb980dc4dd7cb6b6b02291dbdc1521beea3e62a8ea3e52a972e"},"schema_version":"1.0","source":{"id":"2412.07785","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.07785","created_at":"2026-07-05T09:47:39Z"},{"alias_kind":"arxiv_version","alias_value":"2412.07785v1","created_at":"2026-07-05T09:47:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.07785","created_at":"2026-07-05T09:47:39Z"},{"alias_kind":"pith_short_12","alias_value":"N2QJUOO6GSL3","created_at":"2026-07-05T09:47:39Z"},{"alias_kind":"pith_short_16","alias_value":"N2QJUOO6GSL3WYI3","created_at":"2026-07-05T09:47:39Z"},{"alias_kind":"pith_short_8","alias_value":"N2QJUOO6","created_at":"2026-07-05T09:47:39Z"}],"graph_snapshots":[{"event_id":"sha256:21eec356b355f3f2f15e6b9cde600e56aaf7332e4687c9b815ad2cc353e71e0d","target":"graph","created_at":"2026-07-05T09:47:39Z","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/2412.07785/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"An efficient source of hydrated electrons generated by visible light has the potential to have a major impact on solar homogeneous catalysis. Diamond has potentially a high capability of emitting hydrated electrons, but only using ultraviolet light (lambda<225 nm). In this work, we demonstrate the efficient absorption of visible light by nanocomposites consisting of detonation nanodiamonds and gold nanoparticles (AuNP@DNDs), which subsequently emit electrons into the aqueous environment in which they are suspended. This has been done by exciting the AuNP@DND with visible laser light and monito","authors_text":"Alessandra Paladini, Alessandro Bellucci, Daniele Catone, Faustino Martelli, Francesco Toschi, Giuseppe Ammirati, Lionel C. Gontard, Patrick O'Keeffe, Roberto Matassa, Silvia Orlanducci, Stefano Turchini","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2024-11-25T17:43:27Z","title":"Gold diamond Nanocomposites Efficiently Generate Hydrated Electrons upon Absorption of Visible Light"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.07785","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":"sha256:85ac60afc4319dd2c9908d3bcf6b949a41205ab3666d843f207329acdb25c2a3","target":"record","created_at":"2026-07-05T09:47:39Z","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":"98b050296699f2c0870974d9c189d9272f3237dd6b1c60ea18e881fde5c7fff2","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2024-11-25T17:43:27Z","title_canon_sha256":"c6bc3b9bddd47fb980dc4dd7cb6b6b02291dbdc1521beea3e62a8ea3e52a972e"},"schema_version":"1.0","source":{"id":"2412.07785","kind":"arxiv","version":1}},"canonical_sha256":"6ea09a39de3497bb611bf8de3d740530a382d442e302a8353e4bd39f84744a1c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6ea09a39de3497bb611bf8de3d740530a382d442e302a8353e4bd39f84744a1c","first_computed_at":"2026-07-05T09:47:39.043473Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:47:39.043473Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wJgD8Q9BEk70EPoGvEeNSbvtoNMkySoTkh9DPdq1yVUEqskpsUuVOpMSyd1ZGNOAFcNDPBS14CT9gid2JlTyDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:47:39.043929Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.07785","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:85ac60afc4319dd2c9908d3bcf6b949a41205ab3666d843f207329acdb25c2a3","sha256:21eec356b355f3f2f15e6b9cde600e56aaf7332e4687c9b815ad2cc353e71e0d"],"state_sha256":"435001326199be99770c6401cd85f3a0026b016be8ef095a9a7f0edce8e8c9c0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w1prbvRJEY/T0OTXPycwrL/ToDtPAa+cVZTmXm5gpeAAwVD6eEIHikwAHXU3ajoXJRZcpYf8Zg0ObkMepLtZAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T05:40:26.752181Z","bundle_sha256":"a45c1a2ad66a48f61996ac2a85606f0355e735a84c1db2dbc3b9d5470f126476"}}