{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:KTPSSGDJD6EPST24ZBGCHGWBTS","short_pith_number":"pith:KTPSSGDJ","canonical_record":{"source":{"id":"1602.06242","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-02-19T18:09:46Z","cross_cats_sorted":[],"title_canon_sha256":"83c21d205760962efc224a5331953ec05235d56497fe12fe553aca0a1be8cde2","abstract_canon_sha256":"0da0159292460bce679cd4d7f7c678deac6755acc922c47f43b1137e7b4e4d71"},"schema_version":"1.0"},"canonical_sha256":"54df2918691f88f94f5cc84c239ac19cbb75409d7010a41e2a6d86f557591a93","source":{"kind":"arxiv","id":"1602.06242","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.06242","created_at":"2026-05-18T01:20:18Z"},{"alias_kind":"arxiv_version","alias_value":"1602.06242v1","created_at":"2026-05-18T01:20:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.06242","created_at":"2026-05-18T01:20:18Z"},{"alias_kind":"pith_short_12","alias_value":"KTPSSGDJD6EP","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"KTPSSGDJD6EPST24","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"KTPSSGDJ","created_at":"2026-05-18T12:30:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:KTPSSGDJD6EPST24ZBGCHGWBTS","target":"record","payload":{"canonical_record":{"source":{"id":"1602.06242","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-02-19T18:09:46Z","cross_cats_sorted":[],"title_canon_sha256":"83c21d205760962efc224a5331953ec05235d56497fe12fe553aca0a1be8cde2","abstract_canon_sha256":"0da0159292460bce679cd4d7f7c678deac6755acc922c47f43b1137e7b4e4d71"},"schema_version":"1.0"},"canonical_sha256":"54df2918691f88f94f5cc84c239ac19cbb75409d7010a41e2a6d86f557591a93","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:18.312762Z","signature_b64":"mpfbCg4trLHMIHq6hG/zKfBsBcI35SIZ6G0ygQBLuvzmv/fzyRN2By99lr1CMqlur/Mkjrf9JcFvr6DAyJ1nBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"54df2918691f88f94f5cc84c239ac19cbb75409d7010a41e2a6d86f557591a93","last_reissued_at":"2026-05-18T01:20:18.312196Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:18.312196Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.06242","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":"2026-05-18T01:20:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2Yt9iZo0i/SdXJa888FCX3hKtC1rhSHB82AhMgVOQAZ40oZRCQLsCdDdPuxyyJfn1sEJBxobCTWq39Hg9Ap3Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:23:44.734433Z"},"content_sha256":"4f1b5c293094473ce1130cad7dacb9968e75d02ace936eb9fcc1fdee39ae3ef4","schema_version":"1.0","event_id":"sha256:4f1b5c293094473ce1130cad7dacb9968e75d02ace936eb9fcc1fdee39ae3ef4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:KTPSSGDJD6EPST24ZBGCHGWBTS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A gapless micro-dielectric-barrier-discharge ion source for analytical applications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Evgeny V. Krylov, Gary A. Eiceman, Isik Kanik, Stephen L. Coy","submitted_at":"2016-02-19T18:09:46Z","abstract_excerpt":"Use of dielectric barrier discharge (DBD) as an ion source for sensitive chemical analysis is uncommon because barrier discharges generate excess noise due to spatial and temporal instability. This design uses contacted, crossed glass-coated micro-wires to focus the field into a gradually vanishing gap, suppressing spatial and temporal variability, reducing pressure, temperature, and humidity effects, stabilizing discharge initiation and limiting chemical fragmentation. Positive-ion-mode proton transfer, chemical fragmentation from a micro-discharge, and NO+ adducts combine to allow broad chem"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.06242","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":""},"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":"2026-05-18T01:20:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H8x0KvKjd9WdoCyxiFfQhSO7rLD6/XyVzlL8F3vyxtPJezQ7r8sTcz6mD6ydTE2n5x9rIxKXpxoWFUby2kZ7Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:23:44.734780Z"},"content_sha256":"e0e864cdae56e897bc68f601a1d3e6ed22619965ddaf1bd504f4cdf449aa79b3","schema_version":"1.0","event_id":"sha256:e0e864cdae56e897bc68f601a1d3e6ed22619965ddaf1bd504f4cdf449aa79b3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KTPSSGDJD6EPST24ZBGCHGWBTS/bundle.json","state_url":"https://pith.science/pith/KTPSSGDJD6EPST24ZBGCHGWBTS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KTPSSGDJD6EPST24ZBGCHGWBTS/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":"2026-05-28T00:23:44Z","links":{"resolver":"https://pith.science/pith/KTPSSGDJD6EPST24ZBGCHGWBTS","bundle":"https://pith.science/pith/KTPSSGDJD6EPST24ZBGCHGWBTS/bundle.json","state":"https://pith.science/pith/KTPSSGDJD6EPST24ZBGCHGWBTS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KTPSSGDJD6EPST24ZBGCHGWBTS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:KTPSSGDJD6EPST24ZBGCHGWBTS","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":"0da0159292460bce679cd4d7f7c678deac6755acc922c47f43b1137e7b4e4d71","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-02-19T18:09:46Z","title_canon_sha256":"83c21d205760962efc224a5331953ec05235d56497fe12fe553aca0a1be8cde2"},"schema_version":"1.0","source":{"id":"1602.06242","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.06242","created_at":"2026-05-18T01:20:18Z"},{"alias_kind":"arxiv_version","alias_value":"1602.06242v1","created_at":"2026-05-18T01:20:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.06242","created_at":"2026-05-18T01:20:18Z"},{"alias_kind":"pith_short_12","alias_value":"KTPSSGDJD6EP","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"KTPSSGDJD6EPST24","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"KTPSSGDJ","created_at":"2026-05-18T12:30:29Z"}],"graph_snapshots":[{"event_id":"sha256:e0e864cdae56e897bc68f601a1d3e6ed22619965ddaf1bd504f4cdf449aa79b3","target":"graph","created_at":"2026-05-18T01:20:18Z","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"},"paper":{"abstract_excerpt":"Use of dielectric barrier discharge (DBD) as an ion source for sensitive chemical analysis is uncommon because barrier discharges generate excess noise due to spatial and temporal instability. This design uses contacted, crossed glass-coated micro-wires to focus the field into a gradually vanishing gap, suppressing spatial and temporal variability, reducing pressure, temperature, and humidity effects, stabilizing discharge initiation and limiting chemical fragmentation. Positive-ion-mode proton transfer, chemical fragmentation from a micro-discharge, and NO+ adducts combine to allow broad chem","authors_text":"Evgeny V. Krylov, Gary A. Eiceman, Isik Kanik, Stephen L. Coy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-02-19T18:09:46Z","title":"A gapless micro-dielectric-barrier-discharge ion source for analytical applications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.06242","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":"sha256:4f1b5c293094473ce1130cad7dacb9968e75d02ace936eb9fcc1fdee39ae3ef4","target":"record","created_at":"2026-05-18T01:20:18Z","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":"0da0159292460bce679cd4d7f7c678deac6755acc922c47f43b1137e7b4e4d71","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-02-19T18:09:46Z","title_canon_sha256":"83c21d205760962efc224a5331953ec05235d56497fe12fe553aca0a1be8cde2"},"schema_version":"1.0","source":{"id":"1602.06242","kind":"arxiv","version":1}},"canonical_sha256":"54df2918691f88f94f5cc84c239ac19cbb75409d7010a41e2a6d86f557591a93","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"54df2918691f88f94f5cc84c239ac19cbb75409d7010a41e2a6d86f557591a93","first_computed_at":"2026-05-18T01:20:18.312196Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:18.312196Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mpfbCg4trLHMIHq6hG/zKfBsBcI35SIZ6G0ygQBLuvzmv/fzyRN2By99lr1CMqlur/Mkjrf9JcFvr6DAyJ1nBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:18.312762Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.06242","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4f1b5c293094473ce1130cad7dacb9968e75d02ace936eb9fcc1fdee39ae3ef4","sha256:e0e864cdae56e897bc68f601a1d3e6ed22619965ddaf1bd504f4cdf449aa79b3"],"state_sha256":"7f7946e1fc527b095bf657a62c148d6a80c647d0ef66e425da3ad9d6553b330b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0KsYjqIdHXqgSlpyCPgJ849Z8QUzcLGWpMiwybmtpvtRS1p+VhlapcNgiJg2v3Q8ym7fbDbREMrPoDijXlg9Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T00:23:44.736743Z","bundle_sha256":"3e197a019c6e5ce811b34b7b89ad6f4d31132f76bd40a7a8018e67c2bf6752c3"}}