{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:GT4TDS37IF3FMIVDECCDF53SOP","short_pith_number":"pith:GT4TDS37","canonical_record":{"source":{"id":"2602.03512","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-02-03T13:30:58Z","cross_cats_sorted":[],"title_canon_sha256":"9bf80d209840a1122685ebbd217723484de2559e40b486869bdb6db9a19a68b6","abstract_canon_sha256":"f003400184c89ff869fce08162a700c12df598793ce4f29b17bc8941a6e65989"},"schema_version":"1.0"},"canonical_sha256":"34f931cb7f41765622a3208432f77273d15dce1fa63e0e8b7a2a1820553c4023","source":{"kind":"arxiv","id":"2602.03512","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.03512","created_at":"2026-06-11T01:10:32Z"},{"alias_kind":"arxiv_version","alias_value":"2602.03512v2","created_at":"2026-06-11T01:10:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.03512","created_at":"2026-06-11T01:10:32Z"},{"alias_kind":"pith_short_12","alias_value":"GT4TDS37IF3F","created_at":"2026-06-11T01:10:32Z"},{"alias_kind":"pith_short_16","alias_value":"GT4TDS37IF3FMIVD","created_at":"2026-06-11T01:10:32Z"},{"alias_kind":"pith_short_8","alias_value":"GT4TDS37","created_at":"2026-06-11T01:10:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:GT4TDS37IF3FMIVDECCDF53SOP","target":"record","payload":{"canonical_record":{"source":{"id":"2602.03512","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-02-03T13:30:58Z","cross_cats_sorted":[],"title_canon_sha256":"9bf80d209840a1122685ebbd217723484de2559e40b486869bdb6db9a19a68b6","abstract_canon_sha256":"f003400184c89ff869fce08162a700c12df598793ce4f29b17bc8941a6e65989"},"schema_version":"1.0"},"canonical_sha256":"34f931cb7f41765622a3208432f77273d15dce1fa63e0e8b7a2a1820553c4023","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-11T01:10:32.616861Z","signature_b64":"L+CO7YC6CJriMFE+VE7UaFWYghDAO/jPNPhdTFw0DFDdj7cm844zgYIyI6hiKlwMetihNLGARuGr5uSdlYXeBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"34f931cb7f41765622a3208432f77273d15dce1fa63e0e8b7a2a1820553c4023","last_reissued_at":"2026-06-11T01:10:32.615796Z","signature_status":"signed_v1","first_computed_at":"2026-06-11T01:10:32.615796Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2602.03512","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-11T01:10:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4yZjaPbi6+R03zGPbrHZSp24/ta7VsgdAPL4dS0SHQq1f4tYkMWzCMa/68VYBH47gM4+3axG7Oq5q9qFJc8dCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T22:28:08.733266Z"},"content_sha256":"480e491dda4acf7c3c03a561ddb393e2588d38d9fddc56445a254ac373afa333","schema_version":"1.0","event_id":"sha256:480e491dda4acf7c3c03a561ddb393e2588d38d9fddc56445a254ac373afa333"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:GT4TDS37IF3FMIVDECCDF53SOP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards Polyoxometalate Nanoelectronics","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Anna Proust, Dominique Vuillaume","submitted_at":"2026-02-03T13:30:58Z","abstract_excerpt":"Polyoxometalates form a large family of molecular oxide clusters of the early transition metals with unique and tunable properties (multi-redox, thermal and chemical robustness, magnetic). We review more than 30 years of experimental research on the electron transport properties of polyoxometalates devices, from thin films and self-assembled monolayers down to single-molecule junctions. We focus on the relationship between the polyoxometalate structures (structural type, nature of metals and heteroatoms, role of the counterions, redox states, electrode linkers and functional ligands) and the e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.03512","kind":"arxiv","version":2},"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/2602.03512/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":"2026-06-11T01:10:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XZL6ntVxh5TagC1dPnZMAZFO2+43Do7XZuu3hpGKa5fQ7dJzMHmFgfqNdudP3RYq/l+nJl2eLh+s3rDrYMsvAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T22:28:08.733661Z"},"content_sha256":"a93c113d99e3651bb17322e930b5ba4a11f6634d48a6adda7220bb10798870c4","schema_version":"1.0","event_id":"sha256:a93c113d99e3651bb17322e930b5ba4a11f6634d48a6adda7220bb10798870c4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GT4TDS37IF3FMIVDECCDF53SOP/bundle.json","state_url":"https://pith.science/pith/GT4TDS37IF3FMIVDECCDF53SOP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GT4TDS37IF3FMIVDECCDF53SOP/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":"2026-06-21T22:28:08Z","links":{"resolver":"https://pith.science/pith/GT4TDS37IF3FMIVDECCDF53SOP","bundle":"https://pith.science/pith/GT4TDS37IF3FMIVDECCDF53SOP/bundle.json","state":"https://pith.science/pith/GT4TDS37IF3FMIVDECCDF53SOP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GT4TDS37IF3FMIVDECCDF53SOP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:GT4TDS37IF3FMIVDECCDF53SOP","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":"f003400184c89ff869fce08162a700c12df598793ce4f29b17bc8941a6e65989","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-02-03T13:30:58Z","title_canon_sha256":"9bf80d209840a1122685ebbd217723484de2559e40b486869bdb6db9a19a68b6"},"schema_version":"1.0","source":{"id":"2602.03512","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.03512","created_at":"2026-06-11T01:10:32Z"},{"alias_kind":"arxiv_version","alias_value":"2602.03512v2","created_at":"2026-06-11T01:10:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.03512","created_at":"2026-06-11T01:10:32Z"},{"alias_kind":"pith_short_12","alias_value":"GT4TDS37IF3F","created_at":"2026-06-11T01:10:32Z"},{"alias_kind":"pith_short_16","alias_value":"GT4TDS37IF3FMIVD","created_at":"2026-06-11T01:10:32Z"},{"alias_kind":"pith_short_8","alias_value":"GT4TDS37","created_at":"2026-06-11T01:10:32Z"}],"graph_snapshots":[{"event_id":"sha256:a93c113d99e3651bb17322e930b5ba4a11f6634d48a6adda7220bb10798870c4","target":"graph","created_at":"2026-06-11T01:10:32Z","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/2602.03512/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Polyoxometalates form a large family of molecular oxide clusters of the early transition metals with unique and tunable properties (multi-redox, thermal and chemical robustness, magnetic). We review more than 30 years of experimental research on the electron transport properties of polyoxometalates devices, from thin films and self-assembled monolayers down to single-molecule junctions. We focus on the relationship between the polyoxometalate structures (structural type, nature of metals and heteroatoms, role of the counterions, redox states, electrode linkers and functional ligands) and the e","authors_text":"Anna Proust, Dominique Vuillaume","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-02-03T13:30:58Z","title":"Towards Polyoxometalate Nanoelectronics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.03512","kind":"arxiv","version":2},"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":"sha256:480e491dda4acf7c3c03a561ddb393e2588d38d9fddc56445a254ac373afa333","target":"record","created_at":"2026-06-11T01:10:32Z","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":"f003400184c89ff869fce08162a700c12df598793ce4f29b17bc8941a6e65989","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-02-03T13:30:58Z","title_canon_sha256":"9bf80d209840a1122685ebbd217723484de2559e40b486869bdb6db9a19a68b6"},"schema_version":"1.0","source":{"id":"2602.03512","kind":"arxiv","version":2}},"canonical_sha256":"34f931cb7f41765622a3208432f77273d15dce1fa63e0e8b7a2a1820553c4023","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"34f931cb7f41765622a3208432f77273d15dce1fa63e0e8b7a2a1820553c4023","first_computed_at":"2026-06-11T01:10:32.615796Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-11T01:10:32.615796Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"L+CO7YC6CJriMFE+VE7UaFWYghDAO/jPNPhdTFw0DFDdj7cm844zgYIyI6hiKlwMetihNLGARuGr5uSdlYXeBw==","signature_status":"signed_v1","signed_at":"2026-06-11T01:10:32.616861Z","signed_message":"canonical_sha256_bytes"},"source_id":"2602.03512","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:480e491dda4acf7c3c03a561ddb393e2588d38d9fddc56445a254ac373afa333","sha256:a93c113d99e3651bb17322e930b5ba4a11f6634d48a6adda7220bb10798870c4"],"state_sha256":"68b343ceaf4728bee42a17571dfa079fbacfa90a76d602b7727a1d464f7e3ac6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P7761mliy2AjXpDKd1aa5338+/r2ITTr2VJYFpn74wjWz3mbsPpgWzHFCGsElO2t/4JTaDr9bXHAaymCp7IeAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T22:28:08.735794Z","bundle_sha256":"ab1ddafc4a4cb334673739a158fb7a2afd63a8f4f8c2bee075d32b24b311e772"}}