{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:AHK77Z47JXDZCU3NUCZEPWFR3H","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":"8ff80bf5491770bd2633e985e7db8e77b5abb5cd1ad8179c91da579bd343ea0f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2009-01-08T20:39:19Z","title_canon_sha256":"5dd450890a3db9cc78e16f2fc0727018f3784a340d0fbc734e9c8ee53152e219"},"schema_version":"1.0","source":{"id":"0901.1124","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0901.1124","created_at":"2026-05-18T04:25:03Z"},{"alias_kind":"arxiv_version","alias_value":"0901.1124v1","created_at":"2026-05-18T04:25:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0901.1124","created_at":"2026-05-18T04:25:03Z"},{"alias_kind":"pith_short_12","alias_value":"AHK77Z47JXDZ","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"AHK77Z47JXDZCU3N","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"AHK77Z47","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:b5a2bb7f31184d1010fa8a4b5bd57129881d96d514de34350ee589a829a92abe","target":"graph","created_at":"2026-05-18T04:25:03Z","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":"A novel method is proposed that uses very slow electron elastic collisions with atoms to identify their presence through the observation of tenuously bound (electron impact energy, E<0.1 eV) and weakly bound (E<1 eV) negative ions, formed as Regge resonances during the collisions.","authors_text":"A. Z. Msezane, D. Sokolovski, Z. Felfli","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2009-01-08T20:39:19Z","title":"Novel Electron Spectroscopy of Tenuously and Weakly Bound Negative Ions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0901.1124","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":"sha256:905554a0420a1a76167db4d457a2ff53d4ff658dd72a26326ff8918e839dda8b","target":"record","created_at":"2026-05-18T04:25:03Z","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":"8ff80bf5491770bd2633e985e7db8e77b5abb5cd1ad8179c91da579bd343ea0f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2009-01-08T20:39:19Z","title_canon_sha256":"5dd450890a3db9cc78e16f2fc0727018f3784a340d0fbc734e9c8ee53152e219"},"schema_version":"1.0","source":{"id":"0901.1124","kind":"arxiv","version":1}},"canonical_sha256":"01d5ffe79f4dc791536da0b247d8b1d9ca3df2a33356204e29142f554977528f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"01d5ffe79f4dc791536da0b247d8b1d9ca3df2a33356204e29142f554977528f","first_computed_at":"2026-05-18T04:25:03.238654Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:25:03.238654Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1g/N4LWrjXp4QOcjjBe92Mi5LBthdDwjcWq8gloyxHHIakRLj4V7kIFUUnWZtERquvG/9Un+Niz+mpWs3NizCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:25:03.239088Z","signed_message":"canonical_sha256_bytes"},"source_id":"0901.1124","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:905554a0420a1a76167db4d457a2ff53d4ff658dd72a26326ff8918e839dda8b","sha256:b5a2bb7f31184d1010fa8a4b5bd57129881d96d514de34350ee589a829a92abe"],"state_sha256":"2afd20dc5910445a6d5cd5768139f3d1e2a45f29426ce07290d191a5af32acb6"}