{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:FTOBUSBP3YZR7WNSKFHZ6ESXR2","short_pith_number":"pith:FTOBUSBP","canonical_record":{"source":{"id":"1108.0594","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2011-08-02T15:19:02Z","cross_cats_sorted":[],"title_canon_sha256":"e397a171ec410b6d9c26d6e87eb381a7dc12e6134c6a00ea82743f04d5a68675","abstract_canon_sha256":"d8e64d2b44495d240f86da0e3e931423d61c3f822f648ef435d40951ea0fb264"},"schema_version":"1.0"},"canonical_sha256":"2cdc1a482fde331fd9b2514f9f12578e98c772a81fd4f71f66feefa273c8411b","source":{"kind":"arxiv","id":"1108.0594","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.0594","created_at":"2026-05-18T02:21:42Z"},{"alias_kind":"arxiv_version","alias_value":"1108.0594v4","created_at":"2026-05-18T02:21:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.0594","created_at":"2026-05-18T02:21:42Z"},{"alias_kind":"pith_short_12","alias_value":"FTOBUSBP3YZR","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"FTOBUSBP3YZR7WNS","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"FTOBUSBP","created_at":"2026-05-18T12:26:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:FTOBUSBP3YZR7WNSKFHZ6ESXR2","target":"record","payload":{"canonical_record":{"source":{"id":"1108.0594","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2011-08-02T15:19:02Z","cross_cats_sorted":[],"title_canon_sha256":"e397a171ec410b6d9c26d6e87eb381a7dc12e6134c6a00ea82743f04d5a68675","abstract_canon_sha256":"d8e64d2b44495d240f86da0e3e931423d61c3f822f648ef435d40951ea0fb264"},"schema_version":"1.0"},"canonical_sha256":"2cdc1a482fde331fd9b2514f9f12578e98c772a81fd4f71f66feefa273c8411b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:21:42.498395Z","signature_b64":"+MxDonTZKvsUdFut6mJTifojb+NEsmXGkr+/zopuqOyzj1pUxfCD2al+iw49Tz7Z//jR4Uj+Rns4KPdcpKwhAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2cdc1a482fde331fd9b2514f9f12578e98c772a81fd4f71f66feefa273c8411b","last_reissued_at":"2026-05-18T02:21:42.497945Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:21:42.497945Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.0594","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":"2026-05-18T02:21:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bmiXb137MVjORwbBIpYTg9/YTX3jmFk7rfOiNcozY/RY/VOohCg8lNrckgmnSpvJHD5/R+wTWEcOjlbp8nH8DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:28:50.454259Z"},"content_sha256":"593d3bf6e44288914cb4e0b15f962ef240ea4187e25c590de17b1b3f1035bba5","schema_version":"1.0","event_id":"sha256:593d3bf6e44288914cb4e0b15f962ef240ea4187e25c590de17b1b3f1035bba5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:FTOBUSBP3YZR7WNSKFHZ6ESXR2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sheath parameters for non-Debye plasmas: simulations and arc damage","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"Genri Norman, Igor Morozov, Jim Norem, Zeke Insepov","submitted_at":"2011-08-02T15:19:02Z","abstract_excerpt":"This paper describes the surface environment of the dense plasma arcs that damage rf accelerators, tokamaks and other high gradient structures. We simulate the dense, non-ideal plasma sheath near a metallic surface using Molecular Dynamics (MD) to evaluate sheaths in the non-Debye region for high density, low temperature plasmas. We use direct two-component MD simulations where the interactions between all electrons and ions are computed explicitly. We find that the non-Debye sheath can be extrapolated from the Debye sheath parameters with small corrections. We find that these parameters are r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.0594","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":""},"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":"2026-05-18T02:21:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q4MuGWGmn0e8AJfUJneN1r234PFml8WRS7Sb6a9xWUtzHhHBFFtYfC+Be23U3iS+X3zFiYPApKPWU5nk5YPnAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:28:50.454687Z"},"content_sha256":"b08b4e147f04b2f75c5a4d7babf1df344b83d654aa8b7adb8d5aca8ca0e96162","schema_version":"1.0","event_id":"sha256:b08b4e147f04b2f75c5a4d7babf1df344b83d654aa8b7adb8d5aca8ca0e96162"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FTOBUSBP3YZR7WNSKFHZ6ESXR2/bundle.json","state_url":"https://pith.science/pith/FTOBUSBP3YZR7WNSKFHZ6ESXR2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FTOBUSBP3YZR7WNSKFHZ6ESXR2/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":"2026-05-27T18:28:50Z","links":{"resolver":"https://pith.science/pith/FTOBUSBP3YZR7WNSKFHZ6ESXR2","bundle":"https://pith.science/pith/FTOBUSBP3YZR7WNSKFHZ6ESXR2/bundle.json","state":"https://pith.science/pith/FTOBUSBP3YZR7WNSKFHZ6ESXR2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FTOBUSBP3YZR7WNSKFHZ6ESXR2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:FTOBUSBP3YZR7WNSKFHZ6ESXR2","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":"d8e64d2b44495d240f86da0e3e931423d61c3f822f648ef435d40951ea0fb264","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2011-08-02T15:19:02Z","title_canon_sha256":"e397a171ec410b6d9c26d6e87eb381a7dc12e6134c6a00ea82743f04d5a68675"},"schema_version":"1.0","source":{"id":"1108.0594","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.0594","created_at":"2026-05-18T02:21:42Z"},{"alias_kind":"arxiv_version","alias_value":"1108.0594v4","created_at":"2026-05-18T02:21:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.0594","created_at":"2026-05-18T02:21:42Z"},{"alias_kind":"pith_short_12","alias_value":"FTOBUSBP3YZR","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"FTOBUSBP3YZR7WNS","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"FTOBUSBP","created_at":"2026-05-18T12:26:28Z"}],"graph_snapshots":[{"event_id":"sha256:b08b4e147f04b2f75c5a4d7babf1df344b83d654aa8b7adb8d5aca8ca0e96162","target":"graph","created_at":"2026-05-18T02:21:42Z","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":"This paper describes the surface environment of the dense plasma arcs that damage rf accelerators, tokamaks and other high gradient structures. We simulate the dense, non-ideal plasma sheath near a metallic surface using Molecular Dynamics (MD) to evaluate sheaths in the non-Debye region for high density, low temperature plasmas. We use direct two-component MD simulations where the interactions between all electrons and ions are computed explicitly. We find that the non-Debye sheath can be extrapolated from the Debye sheath parameters with small corrections. We find that these parameters are r","authors_text":"Genri Norman, Igor Morozov, Jim Norem, Zeke Insepov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2011-08-02T15:19:02Z","title":"Sheath parameters for non-Debye plasmas: simulations and arc damage"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.0594","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":"sha256:593d3bf6e44288914cb4e0b15f962ef240ea4187e25c590de17b1b3f1035bba5","target":"record","created_at":"2026-05-18T02:21:42Z","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":"d8e64d2b44495d240f86da0e3e931423d61c3f822f648ef435d40951ea0fb264","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2011-08-02T15:19:02Z","title_canon_sha256":"e397a171ec410b6d9c26d6e87eb381a7dc12e6134c6a00ea82743f04d5a68675"},"schema_version":"1.0","source":{"id":"1108.0594","kind":"arxiv","version":4}},"canonical_sha256":"2cdc1a482fde331fd9b2514f9f12578e98c772a81fd4f71f66feefa273c8411b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2cdc1a482fde331fd9b2514f9f12578e98c772a81fd4f71f66feefa273c8411b","first_computed_at":"2026-05-18T02:21:42.497945Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:21:42.497945Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+MxDonTZKvsUdFut6mJTifojb+NEsmXGkr+/zopuqOyzj1pUxfCD2al+iw49Tz7Z//jR4Uj+Rns4KPdcpKwhAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:21:42.498395Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.0594","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:593d3bf6e44288914cb4e0b15f962ef240ea4187e25c590de17b1b3f1035bba5","sha256:b08b4e147f04b2f75c5a4d7babf1df344b83d654aa8b7adb8d5aca8ca0e96162"],"state_sha256":"cd1ac2a21f8a6fc15121ade9447e411db8358ff0a42a898e6ac7cfb6d1fd03d5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C8Jr1pxKg1PfwBBgAWsWB4ZuXFBlDl0srMDaUvYpfCrCWGFNmW7sBMppvaqGRdNSzR7RQ265xQdtWu7lfv7uDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T18:28:50.457236Z","bundle_sha256":"6fe9f05e066fe87066108bf5ca37905f95b5d8a1cd7099c601d68b5253a0c50c"}}