Pith Number

pith:LOIXRSKS

pith:2025:LOIXRSKSUXJNJRKR2AGJJTVWGV

not attested not anchored not stored refs pending

Optimizing Pretraining Data Mixtures with LLM-Estimated Utility

Bhargavi Paranjape, Frank Zhang, Mike Lewis, Punit Singh Koura, Todor Mihaylov, William Held

arxiv:2501.11747 v2 · 2025-01-20 · cs.CL · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LOIXRSKSUXJNJRKR2AGJJTVWGV}

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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

Data Mixing for Large Language Models Pretraining: A Survey and Outlook

Receipt and verification

First computed	2026-07-05T10:04:42.014341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b9178c952a5d2d4c551d00c94ceb635498eac0179b4a637e46092addf27a607

Aliases

arxiv: 2501.11747 · arxiv_version: 2501.11747v2 · doi: 10.48550/arxiv.2501.11747 · pith_short_12: LOIXRSKSUXJN · pith_short_16: LOIXRSKSUXJNJRKR · pith_short_8: LOIXRSKS

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/LOIXRSKSUXJNJRKR2AGJJTVWGV \
  | 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: 5b9178c952a5d2d4c551d00c94ceb635498eac0179b4a637e46092addf27a607

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fe64aeae756bf581327e7fe1de00e0b2264dbe74bab397f231b0d3a7ed0e658",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-01-20T21:10:22Z",
    "title_canon_sha256": "d07b3388a046460d4b0ff2c9f1dc458ef1bf18e61868e43603e6fbdba489dbb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.11747",
    "kind": "arxiv",
    "version": 2
  }
}