Pith Number

pith:QAQ4PYZM

pith:2019:QAQ4PYZMBTJ4QBWNEZ6J6XJKRS

not attested not anchored not stored refs pending

Semantics-aware BERT for Language Understanding

Hai Zhao, Shuailiang Zhang, Xiang Zhou, Xi Zhou, Yuwei Wu, Zhuosheng Zhang, Zuchao Li

arxiv:1909.02209 v3 · 2019-09-05 · 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{QAQ4PYZMBTJ4QBWNEZ6J6XJKRS}

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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.

Cited by

1 paper in Pith

Named Entity Recognition Only from Word Embeddings

Receipt and verification

First computed	2026-07-05T00:38:04.200108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8021c7e32c0cd3c806cd267c9f5d2a8c97ac8381f3eb451a8a597fb731fe3a7f

Aliases

arxiv: 1909.02209 · arxiv_version: 1909.02209v3 · doi: 10.48550/arxiv.1909.02209 · pith_short_12: QAQ4PYZMBTJ4 · pith_short_16: QAQ4PYZMBTJ4QBWN · pith_short_8: QAQ4PYZM

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/QAQ4PYZMBTJ4QBWNEZ6J6XJKRS \
  | 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: 8021c7e32c0cd3c806cd267c9f5d2a8c97ac8381f3eb451a8a597fb731fe3a7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c15365e040feb707ebeaac42dce70c8135c34065fad4585f74ee1d5618abf32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-09-05T04:47:10Z",
    "title_canon_sha256": "b1b216f2d28762b7274a7dacfc7bf1b26f4234e9f9499146c9cd4a735dbb2351"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02209",
    "kind": "arxiv",
    "version": 3
  }
}