{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:VXEX6ORDYZHVTAMAMBIJ4A4XKI","short_pith_number":"pith:VXEX6ORD","canonical_record":{"source":{"id":"2410.02669","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2024-10-03T16:51:42Z","cross_cats_sorted":[],"title_canon_sha256":"1dc820c04348baa6830ef9690e3678e1e69a26568e3ef04b6b7d0fbcaee822fb","abstract_canon_sha256":"a548e2a4813d32ef4a2e379d25007ae1a7bdd7ade5339e43d6a09b3bc4215b61"},"schema_version":"1.0"},"canonical_sha256":"adc97f3a23c64f59818060509e03975201029fac593d7b20192b1348d44b1f33","source":{"kind":"arxiv","id":"2410.02669","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.02669","created_at":"2026-07-05T09:56:37Z"},{"alias_kind":"arxiv_version","alias_value":"2410.02669v4","created_at":"2026-07-05T09:56:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.02669","created_at":"2026-07-05T09:56:37Z"},{"alias_kind":"pith_short_12","alias_value":"VXEX6ORDYZHV","created_at":"2026-07-05T09:56:37Z"},{"alias_kind":"pith_short_16","alias_value":"VXEX6ORDYZHVTAMA","created_at":"2026-07-05T09:56:37Z"},{"alias_kind":"pith_short_8","alias_value":"VXEX6ORD","created_at":"2026-07-05T09:56:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:VXEX6ORDYZHVTAMAMBIJ4A4XKI","target":"record","payload":{"canonical_record":{"source":{"id":"2410.02669","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2024-10-03T16:51:42Z","cross_cats_sorted":[],"title_canon_sha256":"1dc820c04348baa6830ef9690e3678e1e69a26568e3ef04b6b7d0fbcaee822fb","abstract_canon_sha256":"a548e2a4813d32ef4a2e379d25007ae1a7bdd7ade5339e43d6a09b3bc4215b61"},"schema_version":"1.0"},"canonical_sha256":"adc97f3a23c64f59818060509e03975201029fac593d7b20192b1348d44b1f33","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:56:37.355349Z","signature_b64":"e/gms3S8aN7n9aHCuy/4uwJa0heO8fH+HHoWLqBfZOknMqkSYBqf/1lrz4IMYH71+E+x63RGSdbCNtkK2bsLDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"adc97f3a23c64f59818060509e03975201029fac593d7b20192b1348d44b1f33","last_reissued_at":"2026-07-05T09:56:37.354638Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:56:37.354638Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2410.02669","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:56:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PUhAcyNlnmRLkdBHmGocbwFwu2SoEVXXuDES2rCFXrMCs8tSX1jRMJ7WKWLYfGbiFY8VJUMbr2FQGQTbWqcWDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T07:54:33.860675Z"},"content_sha256":"cf06606d1f2ac07ba37606d8140c3bdbc46215b69329aa2cda6c65f6fe4b1829","schema_version":"1.0","event_id":"sha256:cf06606d1f2ac07ba37606d8140c3bdbc46215b69329aa2cda6c65f6fe4b1829"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:VXEX6ORDYZHVTAMAMBIJ4A4XKI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evaluation of tungsten influx rate using line emissions from W$^{5+}$ ions in EAST Tokamak","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"Ailan Hu, Dar\\'io Mitnik, Fengling Zhang, Haiqing Liu, Ling Zhang, Runjia Bao, Shigeru Morita, Wenming Zhang, Xiaobin Ding, Yinxian Jie, Yunxin Cheng","submitted_at":"2024-10-03T16:51:42Z","abstract_excerpt":"The S/XB ratios (ionization per emitted photon) allow one to relate spectroscopic emissivity measurements to the impurity influx from a localized source. In this work, we determine the tungsten influx by examining two dominant EUV (Extreme Ultraviolet) line emissions at 382.13 \\AA and 394.07 \\AA, corresponding to the $4f 14 5f \\rightarrow 4f 14 5d$ radiative transitions of the W$^{5+}$ ion. The ground configuration of W$^{5+}$ consists of the ground level and a metastable level, with the latter having a higher population than the ground state. Therefore, a simple approach assuming that the tra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.02669","kind":"arxiv","version":4},"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/2410.02669/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":"2026-07-05T09:56:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J9MSTU90ST9G8q+WQa+PqAomnwCWPnwvgN1CB74QHVMKdX9YmVob8Eq3RFFYgDPiCwRkucvKtWs3flz7TddLBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T07:54:33.861542Z"},"content_sha256":"a53f3117ebf03ded8aebe43ab628e8774d2f2fe2fa71aba5fc2f467659a80758","schema_version":"1.0","event_id":"sha256:a53f3117ebf03ded8aebe43ab628e8774d2f2fe2fa71aba5fc2f467659a80758"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VXEX6ORDYZHVTAMAMBIJ4A4XKI/bundle.json","state_url":"https://pith.science/pith/VXEX6ORDYZHVTAMAMBIJ4A4XKI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VXEX6ORDYZHVTAMAMBIJ4A4XKI/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":"2026-08-01T07:54:33Z","links":{"resolver":"https://pith.science/pith/VXEX6ORDYZHVTAMAMBIJ4A4XKI","bundle":"https://pith.science/pith/VXEX6ORDYZHVTAMAMBIJ4A4XKI/bundle.json","state":"https://pith.science/pith/VXEX6ORDYZHVTAMAMBIJ4A4XKI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VXEX6ORDYZHVTAMAMBIJ4A4XKI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:VXEX6ORDYZHVTAMAMBIJ4A4XKI","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":"a548e2a4813d32ef4a2e379d25007ae1a7bdd7ade5339e43d6a09b3bc4215b61","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2024-10-03T16:51:42Z","title_canon_sha256":"1dc820c04348baa6830ef9690e3678e1e69a26568e3ef04b6b7d0fbcaee822fb"},"schema_version":"1.0","source":{"id":"2410.02669","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.02669","created_at":"2026-07-05T09:56:37Z"},{"alias_kind":"arxiv_version","alias_value":"2410.02669v4","created_at":"2026-07-05T09:56:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.02669","created_at":"2026-07-05T09:56:37Z"},{"alias_kind":"pith_short_12","alias_value":"VXEX6ORDYZHV","created_at":"2026-07-05T09:56:37Z"},{"alias_kind":"pith_short_16","alias_value":"VXEX6ORDYZHVTAMA","created_at":"2026-07-05T09:56:37Z"},{"alias_kind":"pith_short_8","alias_value":"VXEX6ORD","created_at":"2026-07-05T09:56:37Z"}],"graph_snapshots":[{"event_id":"sha256:a53f3117ebf03ded8aebe43ab628e8774d2f2fe2fa71aba5fc2f467659a80758","target":"graph","created_at":"2026-07-05T09:56:37Z","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/2410.02669/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The S/XB ratios (ionization per emitted photon) allow one to relate spectroscopic emissivity measurements to the impurity influx from a localized source. In this work, we determine the tungsten influx by examining two dominant EUV (Extreme Ultraviolet) line emissions at 382.13 \\AA and 394.07 \\AA, corresponding to the $4f 14 5f \\rightarrow 4f 14 5d$ radiative transitions of the W$^{5+}$ ion. The ground configuration of W$^{5+}$ consists of the ground level and a metastable level, with the latter having a higher population than the ground state. Therefore, a simple approach assuming that the tra","authors_text":"Ailan Hu, Dar\\'io Mitnik, Fengling Zhang, Haiqing Liu, Ling Zhang, Runjia Bao, Shigeru Morita, Wenming Zhang, Xiaobin Ding, Yinxian Jie, Yunxin Cheng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2024-10-03T16:51:42Z","title":"Evaluation of tungsten influx rate using line emissions from W$^{5+}$ ions in EAST Tokamak"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.02669","kind":"arxiv","version":4},"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:cf06606d1f2ac07ba37606d8140c3bdbc46215b69329aa2cda6c65f6fe4b1829","target":"record","created_at":"2026-07-05T09:56:37Z","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":"a548e2a4813d32ef4a2e379d25007ae1a7bdd7ade5339e43d6a09b3bc4215b61","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2024-10-03T16:51:42Z","title_canon_sha256":"1dc820c04348baa6830ef9690e3678e1e69a26568e3ef04b6b7d0fbcaee822fb"},"schema_version":"1.0","source":{"id":"2410.02669","kind":"arxiv","version":4}},"canonical_sha256":"adc97f3a23c64f59818060509e03975201029fac593d7b20192b1348d44b1f33","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"adc97f3a23c64f59818060509e03975201029fac593d7b20192b1348d44b1f33","first_computed_at":"2026-07-05T09:56:37.354638Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:56:37.354638Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"e/gms3S8aN7n9aHCuy/4uwJa0heO8fH+HHoWLqBfZOknMqkSYBqf/1lrz4IMYH71+E+x63RGSdbCNtkK2bsLDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:56:37.355349Z","signed_message":"canonical_sha256_bytes"},"source_id":"2410.02669","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cf06606d1f2ac07ba37606d8140c3bdbc46215b69329aa2cda6c65f6fe4b1829","sha256:a53f3117ebf03ded8aebe43ab628e8774d2f2fe2fa71aba5fc2f467659a80758"],"state_sha256":"25a1d5f3e7472b6dcc25a5daf28c6392d0d1d6c99a8719eefc93819b417cb2aa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ytEkoz9HVM9TILuPoR9vzyOFQlujEFewQIOaF577VwkMBTc0w2riWEEca+dNvskY4QzvZ+4YybTRVtfqY6qVCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T07:54:33.870006Z","bundle_sha256":"46e70504280c632a1e976aa04d381a3bdb61130b26c3d578ff430f66d2f6d1c8"}}