{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:LOSPEU2S5EEIV2VWYTKSCH2H6T","short_pith_number":"pith:LOSPEU2S","canonical_record":{"source":{"id":"0804.3732","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2008-04-23T15:18:40Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"53383a4a21ce7fec17ff043f06a744d449a37cf416e65a1272040cc905fb0eae","abstract_canon_sha256":"828e6f0e49904b7eaba5703adf0cb26cdf2c9ae1ed331623436989dd5177bc9d"},"schema_version":"1.0"},"canonical_sha256":"5ba4f25352e9088aeab6c4d5211f47f4d9cd0bb2a5a80452b656d3c299f8c325","source":{"kind":"arxiv","id":"0804.3732","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0804.3732","created_at":"2026-05-18T01:35:42Z"},{"alias_kind":"arxiv_version","alias_value":"0804.3732v1","created_at":"2026-05-18T01:35:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0804.3732","created_at":"2026-05-18T01:35:42Z"},{"alias_kind":"pith_short_12","alias_value":"LOSPEU2S5EEI","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"LOSPEU2S5EEIV2VW","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"LOSPEU2S","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:LOSPEU2S5EEIV2VWYTKSCH2H6T","target":"record","payload":{"canonical_record":{"source":{"id":"0804.3732","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2008-04-23T15:18:40Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"53383a4a21ce7fec17ff043f06a744d449a37cf416e65a1272040cc905fb0eae","abstract_canon_sha256":"828e6f0e49904b7eaba5703adf0cb26cdf2c9ae1ed331623436989dd5177bc9d"},"schema_version":"1.0"},"canonical_sha256":"5ba4f25352e9088aeab6c4d5211f47f4d9cd0bb2a5a80452b656d3c299f8c325","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:42.412052Z","signature_b64":"RZmkXi79ReELhmQdK+vcrNus/UukW7hN+1FqdiLGNkA+/jTz1GO5TnJtGYZew6XfSK+LACU3+ug2+jGzK85MAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ba4f25352e9088aeab6c4d5211f47f4d9cd0bb2a5a80452b656d3c299f8c325","last_reissued_at":"2026-05-18T01:35:42.411581Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:42.411581Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0804.3732","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":"2026-05-18T01:35:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JG8Tvs8hdEGKthRA+2MxPlfN7qV3IAhEgoJx3yJSsr2sk1hQ7wHQQg2fX2TUqj9oeUGIuG4qdk4ehxRLBgK9AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T11:12:49.309154Z"},"content_sha256":"dbf650abb2bc4c73f7cec6cb20adca034a89ed1a714f551114e05743896e8d4b","schema_version":"1.0","event_id":"sha256:dbf650abb2bc4c73f7cec6cb20adca034a89ed1a714f551114e05743896e8d4b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:LOSPEU2S5EEIV2VWYTKSCH2H6T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ion acoustic waves in the plasma with the power-law q-distribution in nonextensive statistics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"physics.plasm-ph","authors_text":"Jiulin Du, Liyan Liu","submitted_at":"2008-04-23T15:18:40Z","abstract_excerpt":"We investigate the dispersion relation and Landau damping of ion acoustic waves in the collisionless magnetic-field-free plasma if it is described by the nonextensive q-distributions of Tsallis statistics. We show that the increased numbers of superthermal particles and low velocity particles can explain the strengthened and weakened modes of Landau damping, respectively, with the q-distribution. When the ion temperature is equal to the electron temperature, the weakly damped waves are found to be the distributions with small values of q."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0804.3732","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":"2026-05-18T01:35:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GhbBMFps9kwPgurmAd9tomVD0QmJk3mpnPtKx78YIZZxZ00aECNYrJJgYBqOMUg8R2vdfl9406tCfDN/E2c+AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T11:12:49.309506Z"},"content_sha256":"713f298a3ebff8383b06722d97103a7f161339a5d1af3ac551b98d35795f3a65","schema_version":"1.0","event_id":"sha256:713f298a3ebff8383b06722d97103a7f161339a5d1af3ac551b98d35795f3a65"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LOSPEU2S5EEIV2VWYTKSCH2H6T/bundle.json","state_url":"https://pith.science/pith/LOSPEU2S5EEIV2VWYTKSCH2H6T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LOSPEU2S5EEIV2VWYTKSCH2H6T/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":"2026-06-22T11:12:49Z","links":{"resolver":"https://pith.science/pith/LOSPEU2S5EEIV2VWYTKSCH2H6T","bundle":"https://pith.science/pith/LOSPEU2S5EEIV2VWYTKSCH2H6T/bundle.json","state":"https://pith.science/pith/LOSPEU2S5EEIV2VWYTKSCH2H6T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LOSPEU2S5EEIV2VWYTKSCH2H6T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:LOSPEU2S5EEIV2VWYTKSCH2H6T","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":"828e6f0e49904b7eaba5703adf0cb26cdf2c9ae1ed331623436989dd5177bc9d","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2008-04-23T15:18:40Z","title_canon_sha256":"53383a4a21ce7fec17ff043f06a744d449a37cf416e65a1272040cc905fb0eae"},"schema_version":"1.0","source":{"id":"0804.3732","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0804.3732","created_at":"2026-05-18T01:35:42Z"},{"alias_kind":"arxiv_version","alias_value":"0804.3732v1","created_at":"2026-05-18T01:35:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0804.3732","created_at":"2026-05-18T01:35:42Z"},{"alias_kind":"pith_short_12","alias_value":"LOSPEU2S5EEI","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"LOSPEU2S5EEIV2VW","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"LOSPEU2S","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:713f298a3ebff8383b06722d97103a7f161339a5d1af3ac551b98d35795f3a65","target":"graph","created_at":"2026-05-18T01:35:42Z","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":"We investigate the dispersion relation and Landau damping of ion acoustic waves in the collisionless magnetic-field-free plasma if it is described by the nonextensive q-distributions of Tsallis statistics. We show that the increased numbers of superthermal particles and low velocity particles can explain the strengthened and weakened modes of Landau damping, respectively, with the q-distribution. When the ion temperature is equal to the electron temperature, the weakly damped waves are found to be the distributions with small values of q.","authors_text":"Jiulin Du, Liyan Liu","cross_cats":["cond-mat.stat-mech"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2008-04-23T15:18:40Z","title":"Ion acoustic waves in the plasma with the power-law q-distribution in nonextensive statistics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0804.3732","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:dbf650abb2bc4c73f7cec6cb20adca034a89ed1a714f551114e05743896e8d4b","target":"record","created_at":"2026-05-18T01:35:42Z","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":"828e6f0e49904b7eaba5703adf0cb26cdf2c9ae1ed331623436989dd5177bc9d","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2008-04-23T15:18:40Z","title_canon_sha256":"53383a4a21ce7fec17ff043f06a744d449a37cf416e65a1272040cc905fb0eae"},"schema_version":"1.0","source":{"id":"0804.3732","kind":"arxiv","version":1}},"canonical_sha256":"5ba4f25352e9088aeab6c4d5211f47f4d9cd0bb2a5a80452b656d3c299f8c325","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ba4f25352e9088aeab6c4d5211f47f4d9cd0bb2a5a80452b656d3c299f8c325","first_computed_at":"2026-05-18T01:35:42.411581Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:42.411581Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RZmkXi79ReELhmQdK+vcrNus/UukW7hN+1FqdiLGNkA+/jTz1GO5TnJtGYZew6XfSK+LACU3+ug2+jGzK85MAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:42.412052Z","signed_message":"canonical_sha256_bytes"},"source_id":"0804.3732","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dbf650abb2bc4c73f7cec6cb20adca034a89ed1a714f551114e05743896e8d4b","sha256:713f298a3ebff8383b06722d97103a7f161339a5d1af3ac551b98d35795f3a65"],"state_sha256":"f3a09416745c7ce2256b64eeb7899523f5aed633e0250d497f45709fefa10083"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Bnt25KPMxlORsgwZCFfchqc4Se3j3NgUTP8awWRaHrWWFbI0SITIZW62BPfj5LmSpDuB0idlxNKEjTTn3glCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T11:12:49.311297Z","bundle_sha256":"92d09755ce4e9c3788537bc7bb34e4cb34018f4c0fd4f9da2f6742e43a0144eb"}}