{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:RPGKKX44CGLRLMHS7J3UAOC2V4","short_pith_number":"pith:RPGKKX44","canonical_record":{"source":{"id":"1803.04396","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-03-12T17:46:57Z","cross_cats_sorted":[],"title_canon_sha256":"fadd8b9b8228d4e33958e7c2268160da9b2a014cccdd299816437e9bb2215fb6","abstract_canon_sha256":"082677c04b6e24be6ce657f0de30d93bbbf70b976e73b7db3b57085d92f5f728"},"schema_version":"1.0"},"canonical_sha256":"8bcca55f9c119715b0f2fa7740385aaf2936e6e095ac858f7cacb9e6bf7cdf58","source":{"kind":"arxiv","id":"1803.04396","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.04396","created_at":"2026-05-18T00:20:29Z"},{"alias_kind":"arxiv_version","alias_value":"1803.04396v1","created_at":"2026-05-18T00:20:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.04396","created_at":"2026-05-18T00:20:29Z"},{"alias_kind":"pith_short_12","alias_value":"RPGKKX44CGLR","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"RPGKKX44CGLRLMHS","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"RPGKKX44","created_at":"2026-05-18T12:32:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:RPGKKX44CGLRLMHS7J3UAOC2V4","target":"record","payload":{"canonical_record":{"source":{"id":"1803.04396","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-03-12T17:46:57Z","cross_cats_sorted":[],"title_canon_sha256":"fadd8b9b8228d4e33958e7c2268160da9b2a014cccdd299816437e9bb2215fb6","abstract_canon_sha256":"082677c04b6e24be6ce657f0de30d93bbbf70b976e73b7db3b57085d92f5f728"},"schema_version":"1.0"},"canonical_sha256":"8bcca55f9c119715b0f2fa7740385aaf2936e6e095ac858f7cacb9e6bf7cdf58","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:20:29.742217Z","signature_b64":"5qVTy0+rDmPV+hYVQwQSIEqu8309ta2KOilixfDffxjuL/7VKuF2r9EjiNR255QnMu+OyK7d2KQmfTc6KGSVAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8bcca55f9c119715b0f2fa7740385aaf2936e6e095ac858f7cacb9e6bf7cdf58","last_reissued_at":"2026-05-18T00:20:29.741679Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:20:29.741679Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.04396","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":"2026-05-18T00:20:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OkMu+1Oz3Qlj3A+6os6uEhmEA7EYHK1oWoSUkTbYU2lt+a61H4CY1EcAYntTytpFcjl4KWeDTBBGSJiz+FMQDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:52:20.834022Z"},"content_sha256":"e35ebbda5a7f29ef0f75d8b125e67d2a69b028d72a15933741169f5dcc2804f2","schema_version":"1.0","event_id":"sha256:e35ebbda5a7f29ef0f75d8b125e67d2a69b028d72a15933741169f5dcc2804f2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:RPGKKX44CGLRLMHS7J3UAOC2V4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Influence of a charge-gradient force on dust acoustic waves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"Alexey Khrapak, Sergey Khrapak","submitted_at":"2018-03-12T17:46:57Z","abstract_excerpt":"The influence of a charge-gradient force, associated with variations of the particle charge in response to external perturbations, on the propagation of low-frequency waves in weakly coupled complex (dusty) plasmas is investigated. The magnitude of the effect is compared with that due to polarization force, studied previously in the literature. Numerical estimates are presented for the regime, where the orbital motion limited approach to particle charging is relevant."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.04396","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":"2026-05-18T00:20:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4enjAyFAyJQh8Tjuld4Unw5uv81uQm4WYV/rGNbZ4D/OzAE1+kPZsUCke0TjWWho2RRRmbdaXA4sWsRsmjWUCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:52:20.834639Z"},"content_sha256":"ae30539ecc817735edce746825c0b2a29fa9a5a9ed1cf82502c2e789de82f2dd","schema_version":"1.0","event_id":"sha256:ae30539ecc817735edce746825c0b2a29fa9a5a9ed1cf82502c2e789de82f2dd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RPGKKX44CGLRLMHS7J3UAOC2V4/bundle.json","state_url":"https://pith.science/pith/RPGKKX44CGLRLMHS7J3UAOC2V4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RPGKKX44CGLRLMHS7J3UAOC2V4/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":"2026-05-27T11:52:20Z","links":{"resolver":"https://pith.science/pith/RPGKKX44CGLRLMHS7J3UAOC2V4","bundle":"https://pith.science/pith/RPGKKX44CGLRLMHS7J3UAOC2V4/bundle.json","state":"https://pith.science/pith/RPGKKX44CGLRLMHS7J3UAOC2V4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RPGKKX44CGLRLMHS7J3UAOC2V4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:RPGKKX44CGLRLMHS7J3UAOC2V4","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":"082677c04b6e24be6ce657f0de30d93bbbf70b976e73b7db3b57085d92f5f728","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-03-12T17:46:57Z","title_canon_sha256":"fadd8b9b8228d4e33958e7c2268160da9b2a014cccdd299816437e9bb2215fb6"},"schema_version":"1.0","source":{"id":"1803.04396","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.04396","created_at":"2026-05-18T00:20:29Z"},{"alias_kind":"arxiv_version","alias_value":"1803.04396v1","created_at":"2026-05-18T00:20:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.04396","created_at":"2026-05-18T00:20:29Z"},{"alias_kind":"pith_short_12","alias_value":"RPGKKX44CGLR","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"RPGKKX44CGLRLMHS","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"RPGKKX44","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:ae30539ecc817735edce746825c0b2a29fa9a5a9ed1cf82502c2e789de82f2dd","target":"graph","created_at":"2026-05-18T00:20:29Z","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":"The influence of a charge-gradient force, associated with variations of the particle charge in response to external perturbations, on the propagation of low-frequency waves in weakly coupled complex (dusty) plasmas is investigated. The magnitude of the effect is compared with that due to polarization force, studied previously in the literature. Numerical estimates are presented for the regime, where the orbital motion limited approach to particle charging is relevant.","authors_text":"Alexey Khrapak, Sergey Khrapak","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-03-12T17:46:57Z","title":"Influence of a charge-gradient force on dust acoustic waves"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.04396","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:e35ebbda5a7f29ef0f75d8b125e67d2a69b028d72a15933741169f5dcc2804f2","target":"record","created_at":"2026-05-18T00:20:29Z","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":"082677c04b6e24be6ce657f0de30d93bbbf70b976e73b7db3b57085d92f5f728","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-03-12T17:46:57Z","title_canon_sha256":"fadd8b9b8228d4e33958e7c2268160da9b2a014cccdd299816437e9bb2215fb6"},"schema_version":"1.0","source":{"id":"1803.04396","kind":"arxiv","version":1}},"canonical_sha256":"8bcca55f9c119715b0f2fa7740385aaf2936e6e095ac858f7cacb9e6bf7cdf58","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8bcca55f9c119715b0f2fa7740385aaf2936e6e095ac858f7cacb9e6bf7cdf58","first_computed_at":"2026-05-18T00:20:29.741679Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:20:29.741679Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5qVTy0+rDmPV+hYVQwQSIEqu8309ta2KOilixfDffxjuL/7VKuF2r9EjiNR255QnMu+OyK7d2KQmfTc6KGSVAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:20:29.742217Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.04396","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e35ebbda5a7f29ef0f75d8b125e67d2a69b028d72a15933741169f5dcc2804f2","sha256:ae30539ecc817735edce746825c0b2a29fa9a5a9ed1cf82502c2e789de82f2dd"],"state_sha256":"fe38a533ed5ac8caad415570158ee2bac35bdb8cd051f9253726759c65f6d243"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kakVxi0qGq0XXbleSvl/T9TLgiZb4WbItemzEckeBjyRC2UBAAlBMdSNgMrsVj6ePIVDJTYlmOti6pd1xvnwCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T11:52:20.837985Z","bundle_sha256":"831536335dd9d751d1bf3d848525219b3d369868b806068c5f4a04631310cdf6"}}