Pith Number

pith:VUPIBP7Q

pith:2021:VUPIBP7QHN4INN3EMYYPKIC3LT

not attested not anchored not stored refs pending

Jointly Optimizing Query Encoder and Product Quantization to Improve Retrieval Performance

Jiafeng Guo, Jiaxin Mao, Jingtao Zhan, Min Zhang, Shaoping Ma, Yiqun Liu

arxiv:2108.00644 v2 · 2021-08-02 · cs.IR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VUPIBP7QHN4INN3EMYYPKIC3LT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

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.

Cited by

1 paper in Pith

Balancing Accuracy and Novelty with Sub-Item Popularity

Receipt and verification

First computed	2026-07-05T03:07:51.015781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad1e80bff03b7886b7646630f5205b5cd082034ca338c1ec2d25a910c8a36240

Aliases

arxiv: 2108.00644 · arxiv_version: 2108.00644v2 · doi: 10.48550/arxiv.2108.00644 · pith_short_12: VUPIBP7QHN4I · pith_short_16: VUPIBP7QHN4INN3E · pith_short_8: VUPIBP7Q

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/VUPIBP7QHN4INN3EMYYPKIC3LT \
  | 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: ad1e80bff03b7886b7646630f5205b5cd082034ca338c1ec2d25a910c8a36240

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af280f97a426e10cd10f6df276488416da7f3d593b84dc0aa157063df526706d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-08-02T05:38:35Z",
    "title_canon_sha256": "cbf313ce3a5eeb06e7dde866295b5ddd06a7a99132a6333f6830d1db968faf6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.00644",
    "kind": "arxiv",
    "version": 2
  }
}