Pith Number

pith:VAER64FU

pith:2018:VAER64FUUYU6UD6HOKIXRRLDZ3

not attested not anchored not stored refs pending

Deformable Stacked Structure for Named Entity Recognition

Shuyang Cao, Xipeng Qiu, Xuanjing Huang

arxiv:1809.08730 v2 · 2018-09-24 · 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{VAER64FUUYU6UD6HOKIXRRLDZ3}

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	2026-05-18T00:04:35.365236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8091f70b4a629ea0fc7729178c563cec01400beecb049ca5c44eee6235c22fb

Aliases

arxiv: 1809.08730 · arxiv_version: 1809.08730v2 · doi: 10.48550/arxiv.1809.08730 · pith_short_12: VAER64FUUYU6 · pith_short_16: VAER64FUUYU6UD6H · pith_short_8: VAER64FU

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/VAER64FUUYU6UD6HOKIXRRLDZ3 \
  | 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: a8091f70b4a629ea0fc7729178c563cec01400beecb049ca5c44eee6235c22fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73885e01b06dad518dceca9c5e785d6e486caa83c3392fd007d938e2643e9682",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-09-24T02:42:40Z",
    "title_canon_sha256": "b2d85bae7f5ad7b1c8e8ad56c15134c80af462c3f5cdb982988f8722fb88554c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08730",
    "kind": "arxiv",
    "version": 2
  }
}