Pith Number

pith:QNUDEN7N

pith:2022:QNUDEN7NP4BVFZNYBD7TDCUNGP

not attested not anchored not stored refs pending

$k$NN-NER: Named Entity Recognition with Nearest Neighbor Search

Guoyin Wang, Jiwei Li, Rongbin Ouyang, Shuhe Wang, Tianwei Zhang, Xiaoya Li, Yuxian Meng

arxiv:2203.17103 v1 · 2022-03-31 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QNUDEN7NP4BVFZNYBD7TDCUNGP}

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.

Receipt and verification

First computed	2026-07-05T04:10:31.297221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83683237ed7f0352e5b808ff318a8d33fa2c9081ae521fb49385c4883c9be5ac

Aliases

arxiv: 2203.17103 · arxiv_version: 2203.17103v1 · doi: 10.48550/arxiv.2203.17103 · pith_short_12: QNUDEN7NP4BV · pith_short_16: QNUDEN7NP4BVFZNY · pith_short_8: QNUDEN7N

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/QNUDEN7NP4BVFZNYBD7TDCUNGP \
  | 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: 83683237ed7f0352e5b808ff318a8d33fa2c9081ae521fb49385c4883c9be5ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28ca1aedd76feb1b4a568f69c32c9ff2f148d7a43b1f3505f0fcd943dfefd41b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-03-31T15:21:43Z",
    "title_canon_sha256": "632a289cbdeb789d610e90137469c5b5a669789b876d0afee30ad3c85b82d6c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.17103",
    "kind": "arxiv",
    "version": 1
  }
}