Pith Number

pith:ULUDFDRV

pith:2025:ULUDFDRVVDZABHXEHCESGZCU6W

not attested not anchored not stored refs pending

Independence Tests for Language Models

Ahmed Ahmed, Percy Liang, Rohith Kuditipudi, Sally Zhu

arxiv:2502.12292 v2 · 2025-02-17 · cs.LG · 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{ULUDFDRVVDZABHXEHCESGZCU6W}

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

Unlearning Isn't Invisible: Detecting Unlearning Traces in LLMs from Model Outputs

Receipt and verification

First computed	2026-07-05T10:29:34.377746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2e8328e35a8f2009ee43889236454f5bbac4bb5094032e4162533463015140e

Aliases

arxiv: 2502.12292 · arxiv_version: 2502.12292v2 · doi: 10.48550/arxiv.2502.12292 · pith_short_12: ULUDFDRVVDZA · pith_short_16: ULUDFDRVVDZABHXE · pith_short_8: ULUDFDRV

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/ULUDFDRVVDZABHXEHCESGZCU6W \
  | 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: a2e8328e35a8f2009ee43889236454f5bbac4bb5094032e4162533463015140e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "782bb4a327d6230f5ae7bd328ed4266aeccfedba9e2773942934a5b163aaa77b",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-17T20:01:08Z",
    "title_canon_sha256": "dde1752c3a183b490be9f21a772f8798118c42132e7b62e475cc92f6028d99aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.12292",
    "kind": "arxiv",
    "version": 2
  }
}