Pith Number

pith:WUDNHOJB

pith:2020:WUDNHOJBTFGQWK2YNMVA2I5B4G

not attested not anchored not stored refs pending

Unigram-Normalized Perplexity as a Language Model Performance Measure with Different Vocabulary Sizes

Jihyeon Roh, Sang-Hoon Oh, Soo-Young Lee

arxiv:2011.13220 v1 · 2020-11-26 · cs.CL · 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{WUDNHOJBTFGQWK2YNMVA2I5B4G}

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.

Cited by

1 paper in Pith

Dictionaries to the Rescue: Cross-Lingual Vocabulary Transfer for Low-Resource Languages Using Bilingual Dictionaries

Receipt and verification

First computed	2026-07-05T01:54:52.093852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b506d3b921994d0b2b586b2a0d23a1e1bcc7110a3fd03950d0bb17f2a8a2428b

Aliases

arxiv: 2011.13220 · arxiv_version: 2011.13220v1 · doi: 10.48550/arxiv.2011.13220 · pith_short_12: WUDNHOJBTFGQ · pith_short_16: WUDNHOJBTFGQWK2Y · pith_short_8: WUDNHOJB

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/WUDNHOJBTFGQWK2YNMVA2I5B4G \
  | 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: b506d3b921994d0b2b586b2a0d23a1e1bcc7110a3fd03950d0bb17f2a8a2428b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebaccb540f2f6f165eeb03e8a382f67e6f193a84bdd5cdc6661b945c6d306c8d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-11-26T10:39:03Z",
    "title_canon_sha256": "45df09bdde7e2aac908885862688a22c1e8f1d35e9d851c74bd7d848f870e1a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.13220",
    "kind": "arxiv",
    "version": 1
  }
}