{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:MVVTRQTPCGHFBECLQB33Q7KK2P","short_pith_number":"pith:MVVTRQTP","canonical_record":{"source":{"id":"2605.17897","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-18T06:03:33Z","cross_cats_sorted":[],"title_canon_sha256":"dc0f7a121f77e34bcaf45d146ec18bc229b08637f2a0b1e6a45e755f780a1103","abstract_canon_sha256":"0bce77c0a4a5fbe7e34deca5139544c4d372117cab6ea4884df3cb083fabdd2c"},"schema_version":"1.0"},"canonical_sha256":"656b38c26f118e50904b8077b87d4ad3e0ff146ed8aea94f09cd8f813f21481b","source":{"kind":"arxiv","id":"2605.17897","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.17897","created_at":"2026-05-20T00:05:04Z"},{"alias_kind":"arxiv_version","alias_value":"2605.17897v1","created_at":"2026-05-20T00:05:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.17897","created_at":"2026-05-20T00:05:04Z"},{"alias_kind":"pith_short_12","alias_value":"MVVTRQTPCGHF","created_at":"2026-05-20T00:05:04Z"},{"alias_kind":"pith_short_16","alias_value":"MVVTRQTPCGHFBECL","created_at":"2026-05-20T00:05:04Z"},{"alias_kind":"pith_short_8","alias_value":"MVVTRQTP","created_at":"2026-05-20T00:05:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:MVVTRQTPCGHFBECLQB33Q7KK2P","target":"record","payload":{"canonical_record":{"source":{"id":"2605.17897","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-18T06:03:33Z","cross_cats_sorted":[],"title_canon_sha256":"dc0f7a121f77e34bcaf45d146ec18bc229b08637f2a0b1e6a45e755f780a1103","abstract_canon_sha256":"0bce77c0a4a5fbe7e34deca5139544c4d372117cab6ea4884df3cb083fabdd2c"},"schema_version":"1.0"},"canonical_sha256":"656b38c26f118e50904b8077b87d4ad3e0ff146ed8aea94f09cd8f813f21481b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T00:05:04.588389Z","signature_b64":"CYWIi+w62QeUtZJB8YY/oqKesPzmkpniIN/hR8NomhQD/2LMstYbbq8Qfsdje6wenT1R0jSM0MkjyGRgxnTUAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"656b38c26f118e50904b8077b87d4ad3e0ff146ed8aea94f09cd8f813f21481b","last_reissued_at":"2026-05-20T00:05:04.587502Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T00:05:04.587502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.17897","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":"2026-05-20T00:05:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Aw/wPPex1vOtmxZQa7JeEHNaebOn+3D9NujZgqP8nhe+XVuhmyoxN4TCLXPYBq4z5O5Cc8C1/NEszWcgHbVuCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:48:03.426339Z"},"content_sha256":"61e0db5422959bcb9261c7cc64d6b89e785bcde9a9865c414488d4c197cec837","schema_version":"1.0","event_id":"sha256:61e0db5422959bcb9261c7cc64d6b89e785bcde9a9865c414488d4c197cec837"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:MVVTRQTPCGHFBECLQB33Q7KK2P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Metal-free heteroatom doping of carbon nitride for enhanced photocatalytic hydrogen peroxide production","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Bruna F. Gon\\c{c}alves, Eneko Sebastian-Garate, Hugo Salazar, Ivan Infante, Jordi Llusar, Pawel Gluchowski, Qi Zhang, Senentxu-Lanceros Mendez","submitted_at":"2026-05-18T06:03:33Z","abstract_excerpt":"The photocatalytic production of hydrogen peroxide (H$_2$O$_2$) from water is a promising strategy for solar-to-chemical energy conversion. Herein, we investigate the effect of metal-free heteroatom doping (B, O, P, and S) on the structural, electronic, and photocatalytic properties of graphitic carbon nitride (C$_3$N$_4$) for H$_2$O$_2$ production under simulated solar irradiation. While pristine C$_3$N$_4$ exhibits stacked nanosheets, doping induces disorder, partial exfoliation, and changes in interlayer spacing, confirming successful heteroatom incorporation and modification of the electro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.17897","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/2605.17897/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":"2026-05-20T00:05:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cYghFY1E0iWtW/tJc8fbu/upQ5OjqNz/1tD62GtOP9VuBQBA9J/e14wOClIIMViv4ugvGpGQlzs6/gHzisZrDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:48:03.426760Z"},"content_sha256":"c5240c59ea20d89136757eed93f192358f01da779f807de9b32219223a26d5da","schema_version":"1.0","event_id":"sha256:c5240c59ea20d89136757eed93f192358f01da779f807de9b32219223a26d5da"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MVVTRQTPCGHFBECLQB33Q7KK2P/bundle.json","state_url":"https://pith.science/pith/MVVTRQTPCGHFBECLQB33Q7KK2P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MVVTRQTPCGHFBECLQB33Q7KK2P/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":"2026-05-28T12:48:03Z","links":{"resolver":"https://pith.science/pith/MVVTRQTPCGHFBECLQB33Q7KK2P","bundle":"https://pith.science/pith/MVVTRQTPCGHFBECLQB33Q7KK2P/bundle.json","state":"https://pith.science/pith/MVVTRQTPCGHFBECLQB33Q7KK2P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MVVTRQTPCGHFBECLQB33Q7KK2P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:MVVTRQTPCGHFBECLQB33Q7KK2P","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":"0bce77c0a4a5fbe7e34deca5139544c4d372117cab6ea4884df3cb083fabdd2c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-18T06:03:33Z","title_canon_sha256":"dc0f7a121f77e34bcaf45d146ec18bc229b08637f2a0b1e6a45e755f780a1103"},"schema_version":"1.0","source":{"id":"2605.17897","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.17897","created_at":"2026-05-20T00:05:04Z"},{"alias_kind":"arxiv_version","alias_value":"2605.17897v1","created_at":"2026-05-20T00:05:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.17897","created_at":"2026-05-20T00:05:04Z"},{"alias_kind":"pith_short_12","alias_value":"MVVTRQTPCGHF","created_at":"2026-05-20T00:05:04Z"},{"alias_kind":"pith_short_16","alias_value":"MVVTRQTPCGHFBECL","created_at":"2026-05-20T00:05:04Z"},{"alias_kind":"pith_short_8","alias_value":"MVVTRQTP","created_at":"2026-05-20T00:05:04Z"}],"graph_snapshots":[{"event_id":"sha256:c5240c59ea20d89136757eed93f192358f01da779f807de9b32219223a26d5da","target":"graph","created_at":"2026-05-20T00:05:04Z","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/2605.17897/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The photocatalytic production of hydrogen peroxide (H$_2$O$_2$) from water is a promising strategy for solar-to-chemical energy conversion. Herein, we investigate the effect of metal-free heteroatom doping (B, O, P, and S) on the structural, electronic, and photocatalytic properties of graphitic carbon nitride (C$_3$N$_4$) for H$_2$O$_2$ production under simulated solar irradiation. While pristine C$_3$N$_4$ exhibits stacked nanosheets, doping induces disorder, partial exfoliation, and changes in interlayer spacing, confirming successful heteroatom incorporation and modification of the electro","authors_text":"Bruna F. Gon\\c{c}alves, Eneko Sebastian-Garate, Hugo Salazar, Ivan Infante, Jordi Llusar, Pawel Gluchowski, Qi Zhang, Senentxu-Lanceros Mendez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-18T06:03:33Z","title":"Metal-free heteroatom doping of carbon nitride for enhanced photocatalytic hydrogen peroxide production"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.17897","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":"sha256:61e0db5422959bcb9261c7cc64d6b89e785bcde9a9865c414488d4c197cec837","target":"record","created_at":"2026-05-20T00:05:04Z","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":"0bce77c0a4a5fbe7e34deca5139544c4d372117cab6ea4884df3cb083fabdd2c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-18T06:03:33Z","title_canon_sha256":"dc0f7a121f77e34bcaf45d146ec18bc229b08637f2a0b1e6a45e755f780a1103"},"schema_version":"1.0","source":{"id":"2605.17897","kind":"arxiv","version":1}},"canonical_sha256":"656b38c26f118e50904b8077b87d4ad3e0ff146ed8aea94f09cd8f813f21481b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"656b38c26f118e50904b8077b87d4ad3e0ff146ed8aea94f09cd8f813f21481b","first_computed_at":"2026-05-20T00:05:04.587502Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T00:05:04.587502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CYWIi+w62QeUtZJB8YY/oqKesPzmkpniIN/hR8NomhQD/2LMstYbbq8Qfsdje6wenT1R0jSM0MkjyGRgxnTUAg==","signature_status":"signed_v1","signed_at":"2026-05-20T00:05:04.588389Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.17897","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:61e0db5422959bcb9261c7cc64d6b89e785bcde9a9865c414488d4c197cec837","sha256:c5240c59ea20d89136757eed93f192358f01da779f807de9b32219223a26d5da"],"state_sha256":"3dbb6359bed233e35bbe39eb59d9fd88030cad277ac3cce09754a630cfe39a5a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kggqz2q4BkMH3OBxnpnouQqtSM/b68SgdpmW+gkTsINqWTvMqb7ULOBMH7y4DtHM25sas1wG8ZhNBuE7uVBpBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T12:48:03.428974Z","bundle_sha256":"e2a62a4ab501bc93fca036008285a5f74597dd33b5cc8c0534a59ac13552550d"}}