Pith Number

pith:WBTI4FGC

pith:2019:WBTI4FGCNBEVCCA6LGXY2KT46K

not attested not anchored not stored refs pending

A Multi-task Learning Approach for Named Entity Recognition using Local Detection

Hui Jiang, Mingbin Xu, Nargiza Nosirova

arxiv:1904.03300 v2 · 2019-04-05 · 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{WBTI4FGCNBEVCCA6LGXY2KT46K}

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	2026-05-17T23:48:04.411489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0668e14c2684951081e59af8d2a7cf28cec68cd8304e32612a5e61f99ff4e55

Aliases

arxiv: 1904.03300 · arxiv_version: 1904.03300v2 · doi: 10.48550/arxiv.1904.03300 · pith_short_12: WBTI4FGCNBEV · pith_short_16: WBTI4FGCNBEVCCA6 · pith_short_8: WBTI4FGC

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/WBTI4FGCNBEVCCA6LGXY2KT46K \
  | 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: b0668e14c2684951081e59af8d2a7cf28cec68cd8304e32612a5e61f99ff4e55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c2f1d8afe69e06eb71c302c388c7bad5d99a9eae342b16675fdf7426c5f380f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-04-05T21:58:27Z",
    "title_canon_sha256": "245223cb0d9cc4a42d9f9c7d0eacee36461cf9d4c65e110bb705b844d27e5be7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03300",
    "kind": "arxiv",
    "version": 2
  }
}