Pith Number

pith:HXECV7NI

pith:2019:HXECV7NIDK3GRCVWELVC3NBF2P

not attested not anchored not stored refs pending

Unsupervised Lemmatization as Embeddings-Based Word Clustering

Rudolf Rosa, Zden\v{e}k \v{Z}abokrtsk\'y

arxiv:1908.08528 v1 · 2019-08-22 · 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{HXECV7NIDK3GRCVWELVC3NBF2P}

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	2026-07-04T23:59:13.796460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dc82afda81ab6688ab622ea2db425d3e5c5452e32cb5666e0d89d32cd39deb1

Aliases

arxiv: 1908.08528 · arxiv_version: 1908.08528v1 · doi: 10.48550/arxiv.1908.08528 · pith_short_12: HXECV7NIDK3G · pith_short_16: HXECV7NIDK3GRCVW · pith_short_8: HXECV7NI

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/HXECV7NIDK3GRCVWELVC3NBF2P \
  | 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: 3dc82afda81ab6688ab622ea2db425d3e5c5452e32cb5666e0d89d32cd39deb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8662e58dc9639a65840e477851b3079c70b93717a82741ae44b97bb14b478e3d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-22T17:58:55Z",
    "title_canon_sha256": "23f84a03ca4b94651205551c5cbb85e01607c5b5c55b3c5178ef868489096d51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08528",
    "kind": "arxiv",
    "version": 1
  }
}