{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:ABD62YPSKO6IOLOA7XYU4DSG7R","short_pith_number":"pith:ABD62YPS","canonical_record":{"source":{"id":"2505.02390","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2025-05-05T06:25:20Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"18130539ee1c40babfe4b4eab200cf89922eafbd2e3b154602c1076f60577934","abstract_canon_sha256":"e3713431e19af9c735ee4a7744fd84278f2bd7e0a5894dffcfca7234657e5357"},"schema_version":"1.0"},"canonical_sha256":"0047ed61f253bc872dc0fdf14e0e46fc693e47b8069afe20cddb8a2cea5fdc5e","source":{"kind":"arxiv","id":"2505.02390","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.02390","created_at":"2026-07-05T11:20:53Z"},{"alias_kind":"arxiv_version","alias_value":"2505.02390v2","created_at":"2026-07-05T11:20:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.02390","created_at":"2026-07-05T11:20:53Z"},{"alias_kind":"pith_short_12","alias_value":"ABD62YPSKO6I","created_at":"2026-07-05T11:20:53Z"},{"alias_kind":"pith_short_16","alias_value":"ABD62YPSKO6IOLOA","created_at":"2026-07-05T11:20:53Z"},{"alias_kind":"pith_short_8","alias_value":"ABD62YPS","created_at":"2026-07-05T11:20:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:ABD62YPSKO6IOLOA7XYU4DSG7R","target":"record","payload":{"canonical_record":{"source":{"id":"2505.02390","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2025-05-05T06:25:20Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"18130539ee1c40babfe4b4eab200cf89922eafbd2e3b154602c1076f60577934","abstract_canon_sha256":"e3713431e19af9c735ee4a7744fd84278f2bd7e0a5894dffcfca7234657e5357"},"schema_version":"1.0"},"canonical_sha256":"0047ed61f253bc872dc0fdf14e0e46fc693e47b8069afe20cddb8a2cea5fdc5e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:20:53.752996Z","signature_b64":"DEvXMk1yQNo5YKbVN6n5y+DfG0dQAufKVXgrVCAnaW5vUXugicQA8CZ5hin27wNZCXWpL4+uF3hEQho2o9sZCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0047ed61f253bc872dc0fdf14e0e46fc693e47b8069afe20cddb8a2cea5fdc5e","last_reissued_at":"2026-07-05T11:20:53.752501Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:20:53.752501Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.02390","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:20:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0HN03HkH4QBK08FaZbLQjbt7QZ7gzvYWDIgJ/IgP1Qserf/n9ZMkOjOd2wbhnNmeMU9mcZQ94rOsfEPmqdT/DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T23:57:38.125456Z"},"content_sha256":"9de7d7600de2602fee45fe087d393d7da76d238624e1db1407119cd8b5dbe2b4","schema_version":"1.0","event_id":"sha256:9de7d7600de2602fee45fe087d393d7da76d238624e1db1407119cd8b5dbe2b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:ABD62YPSKO6IOLOA7XYU4DSG7R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantitative Analysis of Performance Drop in DeepSeek Model Quantization","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.LG","authors_text":"Enbo Zhao, Jian Zhang, Jieyun Huang, Kai Wang, Ning Wang, Shiguo Lian, Shuming Shi, Siqi Xiao, Yi Shen, Zhihao Chen","submitted_at":"2025-05-05T06:25:20Z","abstract_excerpt":"Recently, there is a high demand for deploying DeepSeek-R1 and V3 locally, possibly because the official service often suffers from being busy and some organizations have data privacy concerns. While single-machine deployment offers infrastructure simplicity, the models' 671B FP8 parameter configuration exceeds the practical memory limits of a standard 8-GPU machine. Quantization is a widely used technique that helps reduce model memory consumption. However, it is unclear what the performance of DeepSeek-R1 and V3 will be after being quantized. This technical report presents the first quantita"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.02390","kind":"arxiv","version":2},"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/2505.02390/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:20:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OL7OqpqRQz8hyHYXFadtjYwpqyGbZGuCQFwXzBb3Vn0KGV+ogZQ5dL0JspNn9qa9STkNnyTO9OY7zdv86V80BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T23:57:38.126181Z"},"content_sha256":"e3e5128b9a68548e385350a97ac6c4eb9d7c744b592b6f72c545c97b76791ef5","schema_version":"1.0","event_id":"sha256:e3e5128b9a68548e385350a97ac6c4eb9d7c744b592b6f72c545c97b76791ef5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ABD62YPSKO6IOLOA7XYU4DSG7R/bundle.json","state_url":"https://pith.science/pith/ABD62YPSKO6IOLOA7XYU4DSG7R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ABD62YPSKO6IOLOA7XYU4DSG7R/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":"2026-08-06T23:57:38Z","links":{"resolver":"https://pith.science/pith/ABD62YPSKO6IOLOA7XYU4DSG7R","bundle":"https://pith.science/pith/ABD62YPSKO6IOLOA7XYU4DSG7R/bundle.json","state":"https://pith.science/pith/ABD62YPSKO6IOLOA7XYU4DSG7R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ABD62YPSKO6IOLOA7XYU4DSG7R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:ABD62YPSKO6IOLOA7XYU4DSG7R","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":"e3713431e19af9c735ee4a7744fd84278f2bd7e0a5894dffcfca7234657e5357","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2025-05-05T06:25:20Z","title_canon_sha256":"18130539ee1c40babfe4b4eab200cf89922eafbd2e3b154602c1076f60577934"},"schema_version":"1.0","source":{"id":"2505.02390","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.02390","created_at":"2026-07-05T11:20:53Z"},{"alias_kind":"arxiv_version","alias_value":"2505.02390v2","created_at":"2026-07-05T11:20:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.02390","created_at":"2026-07-05T11:20:53Z"},{"alias_kind":"pith_short_12","alias_value":"ABD62YPSKO6I","created_at":"2026-07-05T11:20:53Z"},{"alias_kind":"pith_short_16","alias_value":"ABD62YPSKO6IOLOA","created_at":"2026-07-05T11:20:53Z"},{"alias_kind":"pith_short_8","alias_value":"ABD62YPS","created_at":"2026-07-05T11:20:53Z"}],"graph_snapshots":[{"event_id":"sha256:e3e5128b9a68548e385350a97ac6c4eb9d7c744b592b6f72c545c97b76791ef5","target":"graph","created_at":"2026-07-05T11:20:53Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2505.02390/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recently, there is a high demand for deploying DeepSeek-R1 and V3 locally, possibly because the official service often suffers from being busy and some organizations have data privacy concerns. While single-machine deployment offers infrastructure simplicity, the models' 671B FP8 parameter configuration exceeds the practical memory limits of a standard 8-GPU machine. Quantization is a widely used technique that helps reduce model memory consumption. However, it is unclear what the performance of DeepSeek-R1 and V3 will be after being quantized. This technical report presents the first quantita","authors_text":"Enbo Zhao, Jian Zhang, Jieyun Huang, Kai Wang, Ning Wang, Shiguo Lian, Shuming Shi, Siqi Xiao, Yi Shen, Zhihao Chen","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2025-05-05T06:25:20Z","title":"Quantitative Analysis of Performance Drop in DeepSeek Model Quantization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.02390","kind":"arxiv","version":2},"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":"sha256:9de7d7600de2602fee45fe087d393d7da76d238624e1db1407119cd8b5dbe2b4","target":"record","created_at":"2026-07-05T11:20:53Z","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":"e3713431e19af9c735ee4a7744fd84278f2bd7e0a5894dffcfca7234657e5357","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2025-05-05T06:25:20Z","title_canon_sha256":"18130539ee1c40babfe4b4eab200cf89922eafbd2e3b154602c1076f60577934"},"schema_version":"1.0","source":{"id":"2505.02390","kind":"arxiv","version":2}},"canonical_sha256":"0047ed61f253bc872dc0fdf14e0e46fc693e47b8069afe20cddb8a2cea5fdc5e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0047ed61f253bc872dc0fdf14e0e46fc693e47b8069afe20cddb8a2cea5fdc5e","first_computed_at":"2026-07-05T11:20:53.752501Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:20:53.752501Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DEvXMk1yQNo5YKbVN6n5y+DfG0dQAufKVXgrVCAnaW5vUXugicQA8CZ5hin27wNZCXWpL4+uF3hEQho2o9sZCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:20:53.752996Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.02390","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9de7d7600de2602fee45fe087d393d7da76d238624e1db1407119cd8b5dbe2b4","sha256:e3e5128b9a68548e385350a97ac6c4eb9d7c744b592b6f72c545c97b76791ef5"],"state_sha256":"4cc01cca1cc45a32761d312726b25b2eb8721877bbece43f01231162f28dc951"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GHPBTTaMO6le2Y/ROCkBg8nPBIH/uwdTvMR33T2DsP8icSKGhkePLXlbUBoeyM0qQKATkF4ssF+xrpHUY18qBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T23:57:38.130696Z","bundle_sha256":"9072f1723bbc9664d3fd9876acc2e69d59a1b610f6129c7c6d871a462e60c3be"}}