{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:YOF3WMURZXW6KT2Z3J6GDHF3AC","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":"b86f0db8ffc5fd1fd8e3b12a9bc21f36a795834f32c6afcede80783f0242e3f7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2023-11-30T10:44:26Z","title_canon_sha256":"13b657141f25db4d9414b6643446279c447a7b564b583a1432bcf64a1698c827"},"schema_version":"1.0","source":{"id":"2311.18441","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.18441","created_at":"2026-07-05T10:09:41Z"},{"alias_kind":"arxiv_version","alias_value":"2311.18441v2","created_at":"2026-07-05T10:09:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.18441","created_at":"2026-07-05T10:09:41Z"},{"alias_kind":"pith_short_12","alias_value":"YOF3WMURZXW6","created_at":"2026-07-05T10:09:41Z"},{"alias_kind":"pith_short_16","alias_value":"YOF3WMURZXW6KT2Z","created_at":"2026-07-05T10:09:41Z"},{"alias_kind":"pith_short_8","alias_value":"YOF3WMUR","created_at":"2026-07-05T10:09:41Z"}],"graph_snapshots":[{"event_id":"sha256:f4d5cd3ee0dd48711df1a0d6d9fc788a9ae89d08e92416661ebf42943c93f744","target":"graph","created_at":"2026-07-05T10:09:41Z","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/2311.18441/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Hydrogen has emerged as a promising option for promoting decarbonization in various sectors by serving as a replacement for natural gas while retaining the combustion-based conversion system. However, its higher reactivity compared to natural gas introduces a significant risk of flashback. This study investigates the impact of operating and geometry parameters on flashback phenomena in multi-slit burners fed with hydrogen-methane-air mixtures. For this purpose, transient numerical simulations, which take into account conjugate heat transfer between the fluid and the solid walls, are coupled wi","authors_text":"Alessandro Mariotti, Chiara Galletti, Filippo Fruzza, Maria Vittoria Salvetti, Rachele Lamioni","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2023-11-30T10:44:26Z","title":"Flashback propensity due to hydrogen blending in natural gas: sensitivity to operating and geometrical parameters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.18441","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":"sha256:5896c6ec47a2bf72bd52e26effd33f16a3d2c4254296a1aa5fbf767f5feb4f82","target":"record","created_at":"2026-07-05T10:09:41Z","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":"b86f0db8ffc5fd1fd8e3b12a9bc21f36a795834f32c6afcede80783f0242e3f7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2023-11-30T10:44:26Z","title_canon_sha256":"13b657141f25db4d9414b6643446279c447a7b564b583a1432bcf64a1698c827"},"schema_version":"1.0","source":{"id":"2311.18441","kind":"arxiv","version":2}},"canonical_sha256":"c38bbb3291cdede54f59da7c619cbb00a33a1763e0b3c4adedf661b2586a865f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c38bbb3291cdede54f59da7c619cbb00a33a1763e0b3c4adedf661b2586a865f","first_computed_at":"2026-07-05T10:09:41.338391Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:09:41.338391Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3zAcHqUqp6haAvALDcw/6tn3SzqS/vaEO4FCGwZhEEHppTvPg0IdjCQlhmDTlHstTTYURT28iVHLOxDwQTxrDg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:09:41.338825Z","signed_message":"canonical_sha256_bytes"},"source_id":"2311.18441","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5896c6ec47a2bf72bd52e26effd33f16a3d2c4254296a1aa5fbf767f5feb4f82","sha256:f4d5cd3ee0dd48711df1a0d6d9fc788a9ae89d08e92416661ebf42943c93f744"],"state_sha256":"dc5018fd82fb6326ddaaf1c12abbbc4a33d738a41ccca55931d93e8ba15ac650"}