Pith Number

pith:EXLPRUXV

pith:2021:EXLPRUXV2Z2ZJMS6CVUE3MCFHI

not attested not anchored not stored refs pending

Exploiting Global Contextual Information for Document-level Named Entity Recognition

Pan Zhou, Shanshan Feng, Sheng Jiang, Wei Wei, Xianling Mao, Zanbo Wang, Zhiyong He

arxiv:2106.00887 v1 · 2021-06-02 · 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{EXLPRUXV2Z2ZJMS6CVUE3MCFHI}

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	2026-07-05T02:45:41.214606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25d6f8d2f5d67594b25e15684db0453a1286f69b828aca7d222823152992dd4d

Aliases

arxiv: 2106.00887 · arxiv_version: 2106.00887v1 · doi: 10.48550/arxiv.2106.00887 · pith_short_12: EXLPRUXV2Z2Z · pith_short_16: EXLPRUXV2Z2ZJMS6 · pith_short_8: EXLPRUXV

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/EXLPRUXV2Z2ZJMS6CVUE3MCFHI \
  | 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: 25d6f8d2f5d67594b25e15684db0453a1286f69b828aca7d222823152992dd4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e839c84ea907ed8b9fb24e78f62aaaba6d5e68f558ba93a59d5ce94ad2ff3a4",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-06-02T01:52:07Z",
    "title_canon_sha256": "f949f707d4fdcb3eeaa3532b48a4455ea01fda0dd4f388dcd8e901129f163d89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.00887",
    "kind": "arxiv",
    "version": 1
  }
}