Pith Number

pith:JVJG2TE3

pith:2021:JVJG2TE37UPNBKZDPUBWMSRCP4

not attested not anchored not stored refs pending

Validating Label Consistency in NER Data Annotation

Meng Jiang, Mengxia Yu, Qingkai Zeng, Tianwen Jiang, Wenhao Yu

arxiv:2101.08698 v2 · 2021-01-21 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JVJG2TE37UPNBKZDPUBWMSRCP4}

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	2026-07-05T03:16:50.857627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d526d4c9bfd1ed0ab237d03664a227f158ebff670ade7264a24aef87a052233

Aliases

arxiv: 2101.08698 · arxiv_version: 2101.08698v2 · doi: 10.48550/arxiv.2101.08698 · pith_short_12: JVJG2TE37UPN · pith_short_16: JVJG2TE37UPNBKZD · pith_short_8: JVJG2TE3

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/JVJG2TE37UPNBKZDPUBWMSRCP4 \
  | 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: 4d526d4c9bfd1ed0ab237d03664a227f158ebff670ade7264a24aef87a052233

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a3d9db9dd8c777df1f2c0d02c2bc5cb2a9b41ae7b828c27b202e3d9136c90fd",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-01-21T16:19:00Z",
    "title_canon_sha256": "c0331ba28ef561edbc3e010679a28b20360ea7d229b1c272aec308d84a17ac5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.08698",
    "kind": "arxiv",
    "version": 2
  }
}