{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:SH65TSPLMTTW47DKILE7BU5NXU","merge_version":"pith-open-graph-merge-v1","event_count":9,"valid_event_count":9,"invalid_event_count":0,"equivocation_count":1,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"910e6974a558ee3f344b63ba2d608c959abb5d38dfa85b0600d8ba6f9fa633b7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-07-23T14:24:16Z","title_canon_sha256":"7339ade4b01338b8abe5ff25400504c3af5cd847a6f6ab77c13dc6191ebfb9b0"},"schema_version":"1.0","source":{"id":"2607.21362","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.21362","created_at":"2026-07-24T01:24:27Z"},{"alias_kind":"arxiv_version","alias_value":"2607.21362v1","created_at":"2026-07-24T01:24:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.21362","created_at":"2026-07-24T01:24:27Z"},{"alias_kind":"pith_short_12","alias_value":"SH65TSPLMTTW","created_at":"2026-07-24T01:24:27Z"},{"alias_kind":"pith_short_16","alias_value":"SH65TSPLMTTW47DK","created_at":"2026-07-24T01:24:27Z"},{"alias_kind":"pith_short_8","alias_value":"SH65TSPL","created_at":"2026-07-24T01:24:27Z"}],"graph_snapshots":[{"event_id":"sha256:b8df8ffbe284cf6c0aadb2802000c8458648443b6c685d0cb3aca9290d1effc4","target":"graph","created_at":"2026-07-24T01:24:27Z","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/2607.21362/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Very narrow heat flux profiles have been observed on ST40 with decay lengths in the near scrape-off-layer (SOL) of $\\lambda_{q,near}<$~1~mm in H-mode plasmas. Measurements from divertor Langmuir probes are compared with an infrared (IR) thermography system for upper-single null diverted plasmas in L-mode and ELM-free H-mode. SOL current to the grounded divertor targets is measured from the Langmuir probes with profiles exhibiting a similar exponential decay to $\\lambda_{q,near}$ suggesting the near SOL heat flux is related to enhanced electron current to the divertor. Inclusion of electron cur","authors_text":"A. Rengle, A. Scarabosio, C. Marsden, E. J. C. Tinacba, E. Vekshina, H. V. Willett, J. Bryant, L. Martinelli, M. Fontana, N. Lopez, P. F. Buxton, T. Brewer, T. Gray, X. Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-07-23T14:24:16Z","title":"Langmuir probe and infrared thermography measurements of wide and narrow heat flux profiles in the ST40 tokamak"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.21362","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":"sha256:47d5d991aa5f24ae6422f3d54b56213ae638116b1fa8a47d0df31e8e6c11ec68","target":"record","created_at":"2026-07-24T01:24:27Z","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":"910e6974a558ee3f344b63ba2d608c959abb5d38dfa85b0600d8ba6f9fa633b7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-07-23T14:24:16Z","title_canon_sha256":"7339ade4b01338b8abe5ff25400504c3af5cd847a6f6ab77c13dc6191ebfb9b0"},"schema_version":"1.0","source":{"id":"2607.21362","kind":"arxiv","version":1}},"canonical_sha256":"91fdd9c9eb64e76e7c6a42c9f0d3adbd064aba6a366b49d8f2e7c3d7b1a9f54f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"91fdd9c9eb64e76e7c6a42c9f0d3adbd064aba6a366b49d8f2e7c3d7b1a9f54f","first_computed_at":"2026-07-24T01:24:27.657770Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-24T01:24:27.657770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b5ZrVsNnUQEJinuUWqE1rC0Jjq3T8Fxxy7E+yTseFISZhTwGX6Vnmrggk5nOdlRCcLOZDCbHICZpMOIgbHSjCQ==","signature_status":"signed_v1","signed_at":"2026-07-24T01:24:27.658589Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.21362","source_kind":"arxiv","source_version":1}}},"equivocations":[{"signer_id":"pith.science","event_type":"integrity_finding","target":"integrity","event_ids":["sha256:148b3d3ddd5181d0e28c63653ad8375721561d6efd120736e27e7fb4e81f3865","sha256:1f63546028c77ed496c305fa8bc6d23e83b8967e71daa28f26c1b3e790345001","sha256:2c31347c512aff49a6d5884e63cf1e784a75af70af7730522d0e5f3b071d1bd8","sha256:467996a5dbeeed16472a1689cfcbecbf79f191e4cbb16a77245bcd8af4b5f03d","sha256:b495386dc9d30ec4d786d9ce8e4a59c1c1771464c5eb52c3fe2c533cb8f3ac4d","sha256:d7280b01cdf6454bea5718a6a498b62a79b660d57a1a10dd7be98fe20893816d","sha256:e04054d8edbc248a856c6ae64ee4c29b0663c6f900c47d5eeafe66b3a1e974da"]}],"invalid_events":[],"applied_event_ids":["sha256:47d5d991aa5f24ae6422f3d54b56213ae638116b1fa8a47d0df31e8e6c11ec68","sha256:b8df8ffbe284cf6c0aadb2802000c8458648443b6c685d0cb3aca9290d1effc4"],"state_sha256":"5acea03aa6c81c4ac0a9fef050279c897ee9a0d7429482d07ccbfa851932b9b8"}