Pith Number

pith:NYK7EM2I

pith:2025:NYK7EM2I4CJQQEVGD5CYM7KGO3

not attested not anchored not stored refs pending

When Does Metadata Conditioning (NOT) Work for Language Model Pre-Training? A Study with Context-Free Grammars

Daisuke Okanohara, Kazusato Oko, Kohei Hayashi, Naoki Nishikawa, Rei Higuchi, Ryotaro Kawata, Seiya Tokui, Shoichiro Yamaguchi, Sosuke Kobayashi, Taiji Suzuki

arxiv:2504.17562 v2 · 2025-04-24 · 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{NYK7EM2I4CJQQEVGD5CYM7KGO3}

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

Beyond URLs: Metadata Diversity and Position for Efficient LLM Pretraining

Receipt and verification

First computed	2026-07-05T11:44:04.746180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e15f23348e0930812a61f45867d4676ec912b6c2eca548d1bb919b70ba743a9

Aliases

arxiv: 2504.17562 · arxiv_version: 2504.17562v2 · doi: 10.48550/arxiv.2504.17562 · pith_short_12: NYK7EM2I4CJQ · pith_short_16: NYK7EM2I4CJQQEVG · pith_short_8: NYK7EM2I

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/NYK7EM2I4CJQQEVGD5CYM7KGO3 \
  | 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: 6e15f23348e0930812a61f45867d4676ec912b6c2eca548d1bb919b70ba743a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a7a8f745ea2d0c31b65a67d76980e0fe1dab7528f7604ead58a805019a16c9a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-04-24T13:56:43Z",
    "title_canon_sha256": "8dcad6f7a815fd5cb1ad2cce5ebe1edb42d945e55001a15c2b10353ac56f52ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17562",
    "kind": "arxiv",
    "version": 2
  }
}