{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:T7BS4ZPYEMINTUB3M7UGSPC75F","short_pith_number":"pith:T7BS4ZPY","canonical_record":{"source":{"id":"1803.04955","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-03-13T17:49:04Z","cross_cats_sorted":[],"title_canon_sha256":"5d5122de636a2c2da7426ad1b8f4fb6321ed3eef85c5114c112b384a5e8a5e4b","abstract_canon_sha256":"1001f87157c674996ca7914f8f38da75a17fa9f0a66c7674704e569647e02e11"},"schema_version":"1.0"},"canonical_sha256":"9fc32e65f82310d9d03b67e8693c5fe953c8facc7d87c0d8faf6333c69c1ee45","source":{"kind":"arxiv","id":"1803.04955","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.04955","created_at":"2026-05-18T00:16:25Z"},{"alias_kind":"arxiv_version","alias_value":"1803.04955v1","created_at":"2026-05-18T00:16:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.04955","created_at":"2026-05-18T00:16:25Z"},{"alias_kind":"pith_short_12","alias_value":"T7BS4ZPYEMIN","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"T7BS4ZPYEMINTUB3","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"T7BS4ZPY","created_at":"2026-05-18T12:32:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:T7BS4ZPYEMINTUB3M7UGSPC75F","target":"record","payload":{"canonical_record":{"source":{"id":"1803.04955","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-03-13T17:49:04Z","cross_cats_sorted":[],"title_canon_sha256":"5d5122de636a2c2da7426ad1b8f4fb6321ed3eef85c5114c112b384a5e8a5e4b","abstract_canon_sha256":"1001f87157c674996ca7914f8f38da75a17fa9f0a66c7674704e569647e02e11"},"schema_version":"1.0"},"canonical_sha256":"9fc32e65f82310d9d03b67e8693c5fe953c8facc7d87c0d8faf6333c69c1ee45","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:25.279895Z","signature_b64":"Py4rtbdL6fDPz/rx9kAb6pp6eVe/s2/IhLMNEISqsZ8vv6d+1ltYS2rYagN7oaLZ3T/7J1aZ6l7+kWyvd8I4Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9fc32e65f82310d9d03b67e8693c5fe953c8facc7d87c0d8faf6333c69c1ee45","last_reissued_at":"2026-05-18T00:16:25.279239Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:25.279239Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.04955","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":"2026-05-18T00:16:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QArrYvUdwjHEAdBRwr1roFa597vAd815MuVFUwA5pvot0kGhZGxRqSB8C+APGrdpXihbSetma1Jeng8uEW5SCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T00:28:52.496356Z"},"content_sha256":"88b273364eb915790d65d2ac9291033a50c81a4be9ed3a0ef0786fec6ffc94fd","schema_version":"1.0","event_id":"sha256:88b273364eb915790d65d2ac9291033a50c81a4be9ed3a0ef0786fec6ffc94fd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:T7BS4ZPYEMINTUB3M7UGSPC75F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Particle-in-cell studies of fast-ion slowing-down rates in cool tenuous magnetized plasma","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"D. R. Welch, E. S. Evans, S. A. Cohen","submitted_at":"2018-03-13T17:49:04Z","abstract_excerpt":"We report on 3D-3V particle-in-cell simulations of fast-ion energy-loss rates in cold, weakly-magnetized, weakly-coupled plasma where the electron gyroradius, $\\rho_{e}$, is comparable to or less than the Debye length, $\\lambda_{De}$, and the fast-ion velocity exceeds the electron thermal velocity, a regime in which the electron response may be impeded. These simulations use explicit algorithms, spatially resolve $\\rho_{e}$ and $\\lambda_{De}$, and temporally resolve the electron cyclotron and plasma frequencies. For mono-energetic dilute fast ions with isotropic velocity distributions, these s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.04955","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":"2026-05-18T00:16:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jZmhHJ3rjB4S3rl0H3sru86ACfTUrMrT0XYKaRMfd6vqDgc+B10RfujfeZpLD3SHmf3+oRUTupFdpt3PaCrVDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T00:28:52.496962Z"},"content_sha256":"24ca1c2d00dcce1158c5b3c85791345331b6ca7a022889d898da261b68d91ce9","schema_version":"1.0","event_id":"sha256:24ca1c2d00dcce1158c5b3c85791345331b6ca7a022889d898da261b68d91ce9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T7BS4ZPYEMINTUB3M7UGSPC75F/bundle.json","state_url":"https://pith.science/pith/T7BS4ZPYEMINTUB3M7UGSPC75F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T7BS4ZPYEMINTUB3M7UGSPC75F/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":"2026-06-01T00:28:52Z","links":{"resolver":"https://pith.science/pith/T7BS4ZPYEMINTUB3M7UGSPC75F","bundle":"https://pith.science/pith/T7BS4ZPYEMINTUB3M7UGSPC75F/bundle.json","state":"https://pith.science/pith/T7BS4ZPYEMINTUB3M7UGSPC75F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T7BS4ZPYEMINTUB3M7UGSPC75F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:T7BS4ZPYEMINTUB3M7UGSPC75F","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":"1001f87157c674996ca7914f8f38da75a17fa9f0a66c7674704e569647e02e11","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-03-13T17:49:04Z","title_canon_sha256":"5d5122de636a2c2da7426ad1b8f4fb6321ed3eef85c5114c112b384a5e8a5e4b"},"schema_version":"1.0","source":{"id":"1803.04955","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.04955","created_at":"2026-05-18T00:16:25Z"},{"alias_kind":"arxiv_version","alias_value":"1803.04955v1","created_at":"2026-05-18T00:16:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.04955","created_at":"2026-05-18T00:16:25Z"},{"alias_kind":"pith_short_12","alias_value":"T7BS4ZPYEMIN","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"T7BS4ZPYEMINTUB3","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"T7BS4ZPY","created_at":"2026-05-18T12:32:53Z"}],"graph_snapshots":[{"event_id":"sha256:24ca1c2d00dcce1158c5b3c85791345331b6ca7a022889d898da261b68d91ce9","target":"graph","created_at":"2026-05-18T00:16:25Z","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":"We report on 3D-3V particle-in-cell simulations of fast-ion energy-loss rates in cold, weakly-magnetized, weakly-coupled plasma where the electron gyroradius, $\\rho_{e}$, is comparable to or less than the Debye length, $\\lambda_{De}$, and the fast-ion velocity exceeds the electron thermal velocity, a regime in which the electron response may be impeded. These simulations use explicit algorithms, spatially resolve $\\rho_{e}$ and $\\lambda_{De}$, and temporally resolve the electron cyclotron and plasma frequencies. For mono-energetic dilute fast ions with isotropic velocity distributions, these s","authors_text":"D. R. Welch, E. S. Evans, S. A. Cohen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-03-13T17:49:04Z","title":"Particle-in-cell studies of fast-ion slowing-down rates in cool tenuous magnetized plasma"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.04955","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":"sha256:88b273364eb915790d65d2ac9291033a50c81a4be9ed3a0ef0786fec6ffc94fd","target":"record","created_at":"2026-05-18T00:16:25Z","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":"1001f87157c674996ca7914f8f38da75a17fa9f0a66c7674704e569647e02e11","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-03-13T17:49:04Z","title_canon_sha256":"5d5122de636a2c2da7426ad1b8f4fb6321ed3eef85c5114c112b384a5e8a5e4b"},"schema_version":"1.0","source":{"id":"1803.04955","kind":"arxiv","version":1}},"canonical_sha256":"9fc32e65f82310d9d03b67e8693c5fe953c8facc7d87c0d8faf6333c69c1ee45","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9fc32e65f82310d9d03b67e8693c5fe953c8facc7d87c0d8faf6333c69c1ee45","first_computed_at":"2026-05-18T00:16:25.279239Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:16:25.279239Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Py4rtbdL6fDPz/rx9kAb6pp6eVe/s2/IhLMNEISqsZ8vv6d+1ltYS2rYagN7oaLZ3T/7J1aZ6l7+kWyvd8I4Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:16:25.279895Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.04955","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:88b273364eb915790d65d2ac9291033a50c81a4be9ed3a0ef0786fec6ffc94fd","sha256:24ca1c2d00dcce1158c5b3c85791345331b6ca7a022889d898da261b68d91ce9"],"state_sha256":"214d30b13dc149d8ab9cf6b44b696e291d2fdfc800f4082566dd7a92c77a489c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RJ0y/tIz1U+VTqSbmS/pFv+ia14Pr7V6dE5TRv3/b9qLzxjWiJ+xGY/k8kCnit32X2UBgicD/f9zv2ubw0+/Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T00:28:52.500484Z","bundle_sha256":"94192393c500bc4fc3ef9f3005749587763e8cc7e92f8b07ef88ea2610b7e655"}}