Pith Number

pith:2KHXZBSB

pith:2020:2KHXZBSB4NLUJ5UMDWXYOY7STN

not attested not anchored not stored refs pending

BOND: BERT-Assisted Open-Domain Named Entity Recognition with Distant Supervision

Chao Zhang, Chen Liang, Haoming Jiang, Ruijia Wang, Siawpeng Er, Tuo Zhao, Yue Yu

arxiv:2006.15509 v1 · 2020-06-28 · cs.CL · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2KHXZBSB4NLUJ5UMDWXYOY7STN}

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	2026-07-05T01:14:06.382205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d28f7c8641e35744f68c1daf8763f29b67972e08f091a20e783bb982b7ecbd64

Aliases

arxiv: 2006.15509 · arxiv_version: 2006.15509v1 · doi: 10.48550/arxiv.2006.15509 · pith_short_12: 2KHXZBSB4NLU · pith_short_16: 2KHXZBSB4NLUJ5UM · pith_short_8: 2KHXZBSB

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/2KHXZBSB4NLUJ5UMDWXYOY7STN \
  | 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: d28f7c8641e35744f68c1daf8763f29b67972e08f091a20e783bb982b7ecbd64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b897ab20e755c231432b1a81059153ba3719409f53467a397b56190f2c044a23",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-06-28T04:55:39Z",
    "title_canon_sha256": "b8b62bf4943313b329f2ecf68bcf80948b172c828dbb230560cce3f028123dce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.15509",
    "kind": "arxiv",
    "version": 1
  }
}