Pith Number

pith:VSYLDOU6

pith:2021:VSYLDOU623AUFNISDURDYGH5B3

not attested not anchored not stored refs pending

Bidirectional LSTM-CRF Attention-based Model for Chinese Word Segmentation

Chen Jin, Weihua Li, Yanbu Guo, Zhuangwei Shi

arxiv:2105.09681 v1 · 2021-05-20 · 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{VSYLDOU623AUFNISDURDYGH5B3}

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	2026-07-05T02:41:55.887340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acb0b1ba9ed6c142b5121d223c18fd0edbf780095ac555f97c42713142b3173f

Aliases

arxiv: 2105.09681 · arxiv_version: 2105.09681v1 · doi: 10.48550/arxiv.2105.09681 · pith_short_12: VSYLDOU623AU · pith_short_16: VSYLDOU623AUFNIS · pith_short_8: VSYLDOU6

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/VSYLDOU623AUFNISDURDYGH5B3 \
  | 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: acb0b1ba9ed6c142b5121d223c18fd0edbf780095ac555f97c42713142b3173f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abc5bcd1123cc1b42c95bc7539ddfcce7378a659ced0936cc0e973dab5259418",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-05-20T11:46:53Z",
    "title_canon_sha256": "2395a045ae4473a41175e5fa4f3153f4569ddeb9d2b32b6dc38c48e5f863b24c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.09681",
    "kind": "arxiv",
    "version": 1
  }
}