{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:3OYP2I3D3H4W4BLPCGQPFYYCZJ","short_pith_number":"pith:3OYP2I3D","schema_version":"1.0","canonical_sha256":"dbb0fd2363d9f96e056f11a0f2e302ca5d0189e6a0ec5618d0778d3c8323353f","source":{"kind":"arxiv","id":"2507.13590","version":1},"attestation_state":"computed","paper":{"title":"A novel scheme for measuring the growth of Alfven wave parametric decay instability using counter-propagating waves","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.space-ph"],"primary_cat":"physics.plasm-ph","authors_text":"Feiyu Li, Seth Dorfman, Xiangrong Fu","submitted_at":"2025-07-18T00:49:40Z","abstract_excerpt":"The parametric decay instability (PDI) of Alfven waves -- where a pump Alfven wave decays into a backward-propagating child Alfven wave and a forward ion acoustic wave -- is a fundamental nonlinear wave-wave interaction and holds significant implications for space and laboratory plasmas. However, to date there has been no direct experimental measurement of PDI. Here, we propose a novel and experimentally viable scheme to quantify the growth of Alfven wave PDI on a linear device using a large pump Alfven wave and a small counter-propagating seed Alfven wave, with the seed wave frequency tuned t"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2507.13590","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-07-18T00:49:40Z","cross_cats_sorted":["physics.space-ph"],"title_canon_sha256":"b246f5f98548b685e035d0a56e14efb47a0f6507fd65566b554b0a58462206c9","abstract_canon_sha256":"93f8e28ddfdb776e00c7ab83b9ab17c42e74ed4eece26c2632bc21755d1b4df3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:39:19.771131Z","signature_b64":"6NQgrB43vLioQmMVBImltqZs/6SAYuS9GeHRMq0DxXVtojImLHcErAUtU4khgGQ2cV7s4Hn+ev7asPvF4ZKSDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dbb0fd2363d9f96e056f11a0f2e302ca5d0189e6a0ec5618d0778d3c8323353f","last_reissued_at":"2026-07-05T11:39:19.770634Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:39:19.770634Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A novel scheme for measuring the growth of Alfven wave parametric decay instability using counter-propagating waves","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.space-ph"],"primary_cat":"physics.plasm-ph","authors_text":"Feiyu Li, Seth Dorfman, Xiangrong Fu","submitted_at":"2025-07-18T00:49:40Z","abstract_excerpt":"The parametric decay instability (PDI) of Alfven waves -- where a pump Alfven wave decays into a backward-propagating child Alfven wave and a forward ion acoustic wave -- is a fundamental nonlinear wave-wave interaction and holds significant implications for space and laboratory plasmas. However, to date there has been no direct experimental measurement of PDI. Here, we propose a novel and experimentally viable scheme to quantify the growth of Alfven wave PDI on a linear device using a large pump Alfven wave and a small counter-propagating seed Alfven wave, with the seed wave frequency tuned t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.13590","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2507.13590/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2507.13590","created_at":"2026-07-05T11:39:19.770689+00:00"},{"alias_kind":"arxiv_version","alias_value":"2507.13590v1","created_at":"2026-07-05T11:39:19.770689+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.13590","created_at":"2026-07-05T11:39:19.770689+00:00"},{"alias_kind":"pith_short_12","alias_value":"3OYP2I3D3H4W","created_at":"2026-07-05T11:39:19.770689+00:00"},{"alias_kind":"pith_short_16","alias_value":"3OYP2I3D3H4W4BLP","created_at":"2026-07-05T11:39:19.770689+00:00"},{"alias_kind":"pith_short_8","alias_value":"3OYP2I3D","created_at":"2026-07-05T11:39:19.770689+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/3OYP2I3D3H4W4BLPCGQPFYYCZJ","json":"https://pith.science/pith/3OYP2I3D3H4W4BLPCGQPFYYCZJ.json","graph_json":"https://pith.science/api/pith-number/3OYP2I3D3H4W4BLPCGQPFYYCZJ/graph.json","events_json":"https://pith.science/api/pith-number/3OYP2I3D3H4W4BLPCGQPFYYCZJ/events.json","paper":"https://pith.science/paper/3OYP2I3D"},"agent_actions":{"view_html":"https://pith.science/pith/3OYP2I3D3H4W4BLPCGQPFYYCZJ","download_json":"https://pith.science/pith/3OYP2I3D3H4W4BLPCGQPFYYCZJ.json","view_paper":"https://pith.science/paper/3OYP2I3D","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2507.13590&json=true","fetch_graph":"https://pith.science/api/pith-number/3OYP2I3D3H4W4BLPCGQPFYYCZJ/graph.json","fetch_events":"https://pith.science/api/pith-number/3OYP2I3D3H4W4BLPCGQPFYYCZJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3OYP2I3D3H4W4BLPCGQPFYYCZJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3OYP2I3D3H4W4BLPCGQPFYYCZJ/action/storage_attestation","attest_author":"https://pith.science/pith/3OYP2I3D3H4W4BLPCGQPFYYCZJ/action/author_attestation","sign_citation":"https://pith.science/pith/3OYP2I3D3H4W4BLPCGQPFYYCZJ/action/citation_signature","submit_replication":"https://pith.science/pith/3OYP2I3D3H4W4BLPCGQPFYYCZJ/action/replication_record"}},"created_at":"2026-07-05T11:39:19.770689+00:00","updated_at":"2026-07-05T11:39:19.770689+00:00"}