Pith Number

pith:QVH3RAAJ

pith:2013:QVH3RAAJVTVLBKLEL543DOWEPN

not attested not anchored not stored refs pending

Towards the Rapid Development of a Natural Language Understanding Module

Ana Cristina Mendes, Bruno Martins, Catarina Moreira, Lu\'isa Coheur

arxiv:1302.1380 v1 · 2013-02-06 · 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{QVH3RAAJVTVLBKLEL543DOWEPN}

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	2026-05-18T03:34:24.426980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

854fb88009aceab0a9645f79b1bac47b4cc32e635260f450af04fe5121feb28b

Aliases

arxiv: 1302.1380 · arxiv_version: 1302.1380v1 · doi: 10.48550/arxiv.1302.1380 · pith_short_12: QVH3RAAJVTVL · pith_short_16: QVH3RAAJVTVLBKLE · pith_short_8: QVH3RAAJ

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/QVH3RAAJVTVLBKLEL543DOWEPN \
  | 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: 854fb88009aceab0a9645f79b1bac47b4cc32e635260f450af04fe5121feb28b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa6a3f09f4d614df07147e68a0536a3fc00a97e349f8bba1981f6440fe3a7bdb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2013-02-06T14:17:55Z",
    "title_canon_sha256": "564027e77b62b8fc52c98c5b413906c52d4cc991464a45bc952ed55175da5833"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1380",
    "kind": "arxiv",
    "version": 1
  }
}