{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:HEUSY2UJS4OHY3SU2SICSD5VEX","short_pith_number":"pith:HEUSY2UJ","schema_version":"1.0","canonical_sha256":"39292c6a89971c7c6e54d490290fb525e89f13f0dc7c0a5f5809a28fb6766809","source":{"kind":"arxiv","id":"astro-ph/0504407","version":1},"attestation_state":"computed","paper":{"title":"GRAPE-6A: A single-card GRAPE-6 for parallel PC-GRAPE cluster system","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Atsushi Kawai, Junichiro Makino, Toshiyuki Fukushige","submitted_at":"2005-04-19T06:45:13Z","abstract_excerpt":"In this paper, we describe the design and performance of GRAPE-6A, a special-purpose computer for gravitational many-body simulations. It was designed to be used with a PC cluster, in which each node has one GRAPE-6A. Such configuration is particularly effective in running parallel tree algorithm. Though the use of parallel tree algorithm was possible with the original GRAPE-6 hardware, it was not very cost-effective since a single GRAPE-6 board was still too fast and too expensive. Therefore, we designed GRAPE-6A as a single PCI card to minimize the reproduction cost and optimize the computin"},"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":"astro-ph/0504407","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-04-19T06:45:13Z","cross_cats_sorted":[],"title_canon_sha256":"95e36e0c7306ac84b4805e5ffa2937965b8d5a4bc2cec3a61cbf847b3ffe200d","abstract_canon_sha256":"a2410ef43d885583c8b7b441298c59a1d49382dc59a2f43e202c5af855fd95cf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:34.169339Z","signature_b64":"PNnZqc8WjqUl6KUqmaQZPv6KmK9K9NwnriwfqQPP7WjgvCHMDeyFT12Xx0WZ/+HTfnvnZcFI7PigFBJwm/WjCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39292c6a89971c7c6e54d490290fb525e89f13f0dc7c0a5f5809a28fb6766809","last_reissued_at":"2026-05-18T01:40:34.168636Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:34.168636Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"GRAPE-6A: A single-card GRAPE-6 for parallel PC-GRAPE cluster system","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Atsushi Kawai, Junichiro Makino, Toshiyuki Fukushige","submitted_at":"2005-04-19T06:45:13Z","abstract_excerpt":"In this paper, we describe the design and performance of GRAPE-6A, a special-purpose computer for gravitational many-body simulations. It was designed to be used with a PC cluster, in which each node has one GRAPE-6A. Such configuration is particularly effective in running parallel tree algorithm. Though the use of parallel tree algorithm was possible with the original GRAPE-6 hardware, it was not very cost-effective since a single GRAPE-6 board was still too fast and too expensive. Therefore, we designed GRAPE-6A as a single PCI card to minimize the reproduction cost and optimize the computin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0504407","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0504407","created_at":"2026-05-18T01:40:34.168742+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0504407v1","created_at":"2026-05-18T01:40:34.168742+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0504407","created_at":"2026-05-18T01:40:34.168742+00:00"},{"alias_kind":"pith_short_12","alias_value":"HEUSY2UJS4OH","created_at":"2026-05-18T12:25:53.335082+00:00"},{"alias_kind":"pith_short_16","alias_value":"HEUSY2UJS4OHY3SU","created_at":"2026-05-18T12:25:53.335082+00:00"},{"alias_kind":"pith_short_8","alias_value":"HEUSY2UJ","created_at":"2026-05-18T12:25:53.335082+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/HEUSY2UJS4OHY3SU2SICSD5VEX","json":"https://pith.science/pith/HEUSY2UJS4OHY3SU2SICSD5VEX.json","graph_json":"https://pith.science/api/pith-number/HEUSY2UJS4OHY3SU2SICSD5VEX/graph.json","events_json":"https://pith.science/api/pith-number/HEUSY2UJS4OHY3SU2SICSD5VEX/events.json","paper":"https://pith.science/paper/HEUSY2UJ"},"agent_actions":{"view_html":"https://pith.science/pith/HEUSY2UJS4OHY3SU2SICSD5VEX","download_json":"https://pith.science/pith/HEUSY2UJS4OHY3SU2SICSD5VEX.json","view_paper":"https://pith.science/paper/HEUSY2UJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0504407&json=true","fetch_graph":"https://pith.science/api/pith-number/HEUSY2UJS4OHY3SU2SICSD5VEX/graph.json","fetch_events":"https://pith.science/api/pith-number/HEUSY2UJS4OHY3SU2SICSD5VEX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HEUSY2UJS4OHY3SU2SICSD5VEX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HEUSY2UJS4OHY3SU2SICSD5VEX/action/storage_attestation","attest_author":"https://pith.science/pith/HEUSY2UJS4OHY3SU2SICSD5VEX/action/author_attestation","sign_citation":"https://pith.science/pith/HEUSY2UJS4OHY3SU2SICSD5VEX/action/citation_signature","submit_replication":"https://pith.science/pith/HEUSY2UJS4OHY3SU2SICSD5VEX/action/replication_record"}},"created_at":"2026-05-18T01:40:34.168742+00:00","updated_at":"2026-05-18T01:40:34.168742+00:00"}