Pith Number

pith:AMOY4UFT

pith:2026:AMOY4UFTZBVIIKLIKTXRCMHMX7

not attested not anchored not stored refs pending

QuIVer: Rethinking ANN Graph Topology via Training-Free Binary Quantization

Chengcheng Li, Wenxuan Xiao, Zhiyou Wang

QuIVer builds ANN graph indices entirely inside a 2-bit sign-magnitude binary quantization space.

arxiv:2605.02171 v3 · 2026-05-04 · cs.DB

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2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

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The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Claims

C1strongest claim

QuIVer performs edge selection, pruning, and graph navigation entirely in a 2-bit Sign-Magnitude BQ metric space, achieving at least 88% Recall@10 at 13--41K multi-threaded QPS with 58--262-second construction and less than 1.3 GB hot memory on six embedding datasets.

C2weakest assumption

That 2-bit sign-magnitude quantization preserves enough distance information for Vamana-style alpha-diversity pruning and beam search to produce a graph topology whose quality is close to full-precision construction, at least for cosine-native low-effective-dimensionality data.

C3one line summary

QuIVer constructs ANN graphs using only 2-bit sign-magnitude binary quantization for topology decisions, achieving at least 88% Recall@10 at high throughput with low memory on embedding datasets.

Formal links

2 machine-checked theorem links

Receipt and verification

First computed	2026-05-20T00:04:33.546337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

031d8e50b3c86a84296854ef1130ecbff4c25ba7a8c69db1308a3bc4021e95db

Aliases

arxiv: 2605.02171 · arxiv_version: 2605.02171v3 · doi: 10.48550/arxiv.2605.02171 · pith_short_12: AMOY4UFTZBVI · pith_short_16: AMOY4UFTZBVIIKLI · pith_short_8: AMOY4UFT

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/AMOY4UFTZBVIIKLIKTXRCMHMX7 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 031d8e50b3c86a84296854ef1130ecbff4c25ba7a8c69db1308a3bc4021e95db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bc436fad5e0383f8c2f7cdc76ddcdce19ee1a96b9f669355e9a7a49e1b64571",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2026-05-04T03:04:12Z",
    "title_canon_sha256": "0ff3f864b0bb5b7a900acda496c62535c52a8e5612c5371e8e66ad3d9a9b011b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.02171",
    "kind": "arxiv",
    "version": 3
  }
}