Pith Number

pith:37AFPSRT

pith:2020:37AFPSRTI7HYD2GORC7SO2APZP

not attested not anchored not stored refs pending

Coarse-to-Fine Pre-training for Named Entity Recognition

Bin Wang, Bowen Yu, Mengge Xue, Tingwen Liu, Yue Zhang, Zhenyu Zhang

arxiv:2010.08210 v1 · 2020-10-16 · 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{37AFPSRTI7HYD2GORC7SO2APZP}

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	2026-07-05T01:47:15.517120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfc057ca3347cf81e8ce88bf27680fcbe6e8626496bb3bcf1ec442cb6f752304

Aliases

arxiv: 2010.08210 · arxiv_version: 2010.08210v1 · doi: 10.48550/arxiv.2010.08210 · pith_short_12: 37AFPSRTI7HY · pith_short_16: 37AFPSRTI7HYD2GO · pith_short_8: 37AFPSRT

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/37AFPSRTI7HYD2GORC7SO2APZP \
  | 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: dfc057ca3347cf81e8ce88bf27680fcbe6e8626496bb3bcf1ec442cb6f752304

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f36aa0f2dd30fb34bff38cbdaf368dc70ac75bac9b4227d548ae33a1f0d146ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-10-16T07:39:20Z",
    "title_canon_sha256": "d080648205153334ae1e0dcd1d8c2185a2a1f1d53162c153e7f44a6cdf3c588d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.08210",
    "kind": "arxiv",
    "version": 1
  }
}