Pith Number

pith:NMECJJPH

pith:2025:NMECJJPHBGWZIH4GXXS24B2GPL

not attested not anchored not stored refs pending

On Linear Representations and Pretraining Data Frequency in Language Models

Jack Merullo, Noah A. Smith, Sarah Wiegreffe, Yanai Elazar

arxiv:2504.12459 v1 · 2025-04-16 · 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{NMECJJPHBGWZIH4GXXS24B2GPL}

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

2 papers in Pith

How Do Language Models Compose Functions?

Stories in Space: In-Context Learning Trajectories in Conceptual Belief Space

Receipt and verification

First computed	2026-07-05T10:50:16.727693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b0824a5e709ad941f86bde5ae07467acf4c52bb453dfb8a48cf2504be74057e

Aliases

arxiv: 2504.12459 · arxiv_version: 2504.12459v1 · doi: 10.48550/arxiv.2504.12459 · pith_short_12: NMECJJPHBGWZ · pith_short_16: NMECJJPHBGWZIH4G · pith_short_8: NMECJJPH

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/NMECJJPHBGWZIH4GXXS24B2GPL \
  | 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: 6b0824a5e709ad941f86bde5ae07467acf4c52bb453dfb8a48cf2504be74057e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af39f113b1c6b6133df4b7307c6025b4bcc3cff55a0cfe7a9607ec88fd7efd17",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-04-16T19:50:03Z",
    "title_canon_sha256": "5f9420c11601c55cca22dc04d691f283567e04419c06fe1e9969749abc3aca20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.12459",
    "kind": "arxiv",
    "version": 1
  }
}