{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:HRR6AVVYDEGT74IPKQP2BMF45V","short_pith_number":"pith:HRR6AVVY","canonical_record":{"source":{"id":"2006.15362","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-06-27T13:26:32Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"9a58b8361b6047b99b20e4a8f70921322ace64a1dcbc04bcc556f09efc8b47a5","abstract_canon_sha256":"997b423a463cc9b59f5d612f1aa04d30c0733deff74d5c300bf015343ad1c14c"},"schema_version":"1.0"},"canonical_sha256":"3c63e056b8190d3ff10f541fa0b0bced45b374be2f9b301b157757cff818bf54","source":{"kind":"arxiv","id":"2006.15362","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.15362","created_at":"2026-07-05T02:17:26Z"},{"alias_kind":"arxiv_version","alias_value":"2006.15362v2","created_at":"2026-07-05T02:17:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.15362","created_at":"2026-07-05T02:17:26Z"},{"alias_kind":"pith_short_12","alias_value":"HRR6AVVYDEGT","created_at":"2026-07-05T02:17:26Z"},{"alias_kind":"pith_short_16","alias_value":"HRR6AVVYDEGT74IP","created_at":"2026-07-05T02:17:26Z"},{"alias_kind":"pith_short_8","alias_value":"HRR6AVVY","created_at":"2026-07-05T02:17:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:HRR6AVVYDEGT74IPKQP2BMF45V","target":"record","payload":{"canonical_record":{"source":{"id":"2006.15362","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-06-27T13:26:32Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"9a58b8361b6047b99b20e4a8f70921322ace64a1dcbc04bcc556f09efc8b47a5","abstract_canon_sha256":"997b423a463cc9b59f5d612f1aa04d30c0733deff74d5c300bf015343ad1c14c"},"schema_version":"1.0"},"canonical_sha256":"3c63e056b8190d3ff10f541fa0b0bced45b374be2f9b301b157757cff818bf54","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:17:26.822966Z","signature_b64":"BUHQCSpjgR9Q7R5XBD4SdpCa3FpNRr27VWuHzpqqjqU0KhBNhCLv75GR2yERLl6IgfC3+jMBKpNt+x6c2foLCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3c63e056b8190d3ff10f541fa0b0bced45b374be2f9b301b157757cff818bf54","last_reissued_at":"2026-07-05T02:17:26.822442Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:17:26.822442Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2006.15362","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":"2026-07-05T02:17:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FEaSX+KUL7/3zTId7lPdQLge0Yxwm2NnZn0jHtJX77ta2wPWOEimAsk7Di4/pHDk6b3pgTyqvK7hCGhZNFfAAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-19T04:23:00.397331Z"},"content_sha256":"0036a77c28723e30df5acf78a6564714f15f4b93afce4a85048d518e129a0a9c","schema_version":"1.0","event_id":"sha256:0036a77c28723e30df5acf78a6564714f15f4b93afce4a85048d518e129a0a9c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:HRR6AVVYDEGT74IPKQP2BMF45V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing dynamics of water mass transfer in organic porous photocatalyst water-splitting materials by neutron spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andrew I. Cooper, Anne A. Y. Guilbert, Catherine M. Aitchison, Mohamed Zbiri, Reiner S. Sprick","submitted_at":"2020-06-27T13:26:32Z","abstract_excerpt":"The quest for efficient and economically accessible cleaner methods to develop sustainable carbon-free energy sources induced a keen interest in the production of hydrogen fuel. This can be achieved via the water-splitting process exploiting solar energy but requiring the use of adequate photocatalysts. Covalent triazine-based frameworks (CTFs) are target photocatalysts for water-splitting. Both electronic and structural characteristics of CTFs, optical bandgaps and porosity, are directly relevant for water-splitting. These can be engineered through chemical design. Porosity can be beneficial "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.15362","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/2006.15362/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":"2026-07-05T02:17:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RI1NIGppvkRXWutD1yjy6TaZ968xJ6QX2ASIHN82F40sSfHzmxtl4cBmIaL3dRP53ZZSwuSzJ5pXR9C9wepWCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-19T04:23:00.397714Z"},"content_sha256":"5b198dd4509eeaa3f285afc342ec68c1dc421ff8dca4a028ea1246c9eae1268b","schema_version":"1.0","event_id":"sha256:5b198dd4509eeaa3f285afc342ec68c1dc421ff8dca4a028ea1246c9eae1268b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HRR6AVVYDEGT74IPKQP2BMF45V/bundle.json","state_url":"https://pith.science/pith/HRR6AVVYDEGT74IPKQP2BMF45V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HRR6AVVYDEGT74IPKQP2BMF45V/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":"2026-07-19T04:23:00Z","links":{"resolver":"https://pith.science/pith/HRR6AVVYDEGT74IPKQP2BMF45V","bundle":"https://pith.science/pith/HRR6AVVYDEGT74IPKQP2BMF45V/bundle.json","state":"https://pith.science/pith/HRR6AVVYDEGT74IPKQP2BMF45V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HRR6AVVYDEGT74IPKQP2BMF45V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:HRR6AVVYDEGT74IPKQP2BMF45V","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":"997b423a463cc9b59f5d612f1aa04d30c0733deff74d5c300bf015343ad1c14c","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-06-27T13:26:32Z","title_canon_sha256":"9a58b8361b6047b99b20e4a8f70921322ace64a1dcbc04bcc556f09efc8b47a5"},"schema_version":"1.0","source":{"id":"2006.15362","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.15362","created_at":"2026-07-05T02:17:26Z"},{"alias_kind":"arxiv_version","alias_value":"2006.15362v2","created_at":"2026-07-05T02:17:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.15362","created_at":"2026-07-05T02:17:26Z"},{"alias_kind":"pith_short_12","alias_value":"HRR6AVVYDEGT","created_at":"2026-07-05T02:17:26Z"},{"alias_kind":"pith_short_16","alias_value":"HRR6AVVYDEGT74IP","created_at":"2026-07-05T02:17:26Z"},{"alias_kind":"pith_short_8","alias_value":"HRR6AVVY","created_at":"2026-07-05T02:17:26Z"}],"graph_snapshots":[{"event_id":"sha256:5b198dd4509eeaa3f285afc342ec68c1dc421ff8dca4a028ea1246c9eae1268b","target":"graph","created_at":"2026-07-05T02:17:26Z","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/2006.15362/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The quest for efficient and economically accessible cleaner methods to develop sustainable carbon-free energy sources induced a keen interest in the production of hydrogen fuel. This can be achieved via the water-splitting process exploiting solar energy but requiring the use of adequate photocatalysts. Covalent triazine-based frameworks (CTFs) are target photocatalysts for water-splitting. Both electronic and structural characteristics of CTFs, optical bandgaps and porosity, are directly relevant for water-splitting. These can be engineered through chemical design. Porosity can be beneficial ","authors_text":"Andrew I. Cooper, Anne A. Y. Guilbert, Catherine M. Aitchison, Mohamed Zbiri, Reiner S. Sprick","cross_cats":["cond-mat.soft"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-06-27T13:26:32Z","title":"Probing dynamics of water mass transfer in organic porous photocatalyst water-splitting materials by neutron spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.15362","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":"sha256:0036a77c28723e30df5acf78a6564714f15f4b93afce4a85048d518e129a0a9c","target":"record","created_at":"2026-07-05T02:17:26Z","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":"997b423a463cc9b59f5d612f1aa04d30c0733deff74d5c300bf015343ad1c14c","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-06-27T13:26:32Z","title_canon_sha256":"9a58b8361b6047b99b20e4a8f70921322ace64a1dcbc04bcc556f09efc8b47a5"},"schema_version":"1.0","source":{"id":"2006.15362","kind":"arxiv","version":2}},"canonical_sha256":"3c63e056b8190d3ff10f541fa0b0bced45b374be2f9b301b157757cff818bf54","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3c63e056b8190d3ff10f541fa0b0bced45b374be2f9b301b157757cff818bf54","first_computed_at":"2026-07-05T02:17:26.822442Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:17:26.822442Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BUHQCSpjgR9Q7R5XBD4SdpCa3FpNRr27VWuHzpqqjqU0KhBNhCLv75GR2yERLl6IgfC3+jMBKpNt+x6c2foLCA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:17:26.822966Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.15362","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0036a77c28723e30df5acf78a6564714f15f4b93afce4a85048d518e129a0a9c","sha256:5b198dd4509eeaa3f285afc342ec68c1dc421ff8dca4a028ea1246c9eae1268b"],"state_sha256":"233909c08117d4660cc1183c07dfbc60577f8931f3398dc3397178b85a40f22f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OzbJExTa8xoe4XrSXqOZNIaoR+6qgmnSijDET5JUz0n5R6dV2yVftaDAaMz/71IdFC+ReQ5rfH7m9Qvw/z9VDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-19T04:23:00.399872Z","bundle_sha256":"7ed988972e713e2bda37c445d967ad57326c790e17ef63954a00273757c6e029"}}