Pith Number

pith:PLWMQ7BS

pith:2025:PLWMQ7BSLD2G4IDO7IRPH4VGQH

not attested not anchored not stored refs pending

Do we really have to filter out random noise in pre-training data for language models?

Jinghan Ru, Qianli Ren, Xianwei Zhuang, Yuexian Zou, Yuguo Yin, Yuxin Xie, Zhihui Guo, Zhiming Liu

arxiv:2502.06604 v2 · 2025-02-10 · 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{PLWMQ7BSLD2G4IDO7IRPH4VGQH}

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	2026-07-05T11:03:56.447150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7aecc87c3258f46e206efa22f3f2a681c0da5b54cc8074877c87d3795ec70f17

Aliases

arxiv: 2502.06604 · arxiv_version: 2502.06604v2 · doi: 10.48550/arxiv.2502.06604 · pith_short_12: PLWMQ7BSLD2G · pith_short_16: PLWMQ7BSLD2G4IDO · pith_short_8: PLWMQ7BS

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/PLWMQ7BSLD2G4IDO7IRPH4VGQH \
  | 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: 7aecc87c3258f46e206efa22f3f2a681c0da5b54cc8074877c87d3795ec70f17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93c1dccf7d8c2c310327468510a1b60b61bfa1ccf1e1d1151f8b043f4624cf8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-02-10T16:01:55Z",
    "title_canon_sha256": "2a3365c4cebcc780605bba3810732ea9d798128cdb160675afc7ade6a277dabe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.06604",
    "kind": "arxiv",
    "version": 2
  }
}