Pith Number

pith:6T43IYZ4

pith:2023:6T43IYZ4LFVEQECWYZ5RV6QZWK

not attested not anchored not stored refs pending

Task-Specific Skill Localization in Fine-tuned Language Models

Abhishek Panigrahi, Haoyu Zhao, Nikunj Saunshi, Sanjeev Arora

arxiv:2302.06600 v2 · 2023-02-13 · 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{6T43IYZ4LFVEQECWYZ5RV6QZWK}

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

3 papers in Pith

Spectral Unforgetting: Post-Hoc Recovery of Damaged Capabilities Without Retraining

Dynamic Model Merging Made Slim

Locate, Steer, and Improve: A Practical Survey of Actionable Mechanistic Interpretability in Large Language Models

Receipt and verification

First computed	2026-07-05T06:26:45.815545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4f9b4633c596a481056c67b1afa19b2a33da00ee121f8fe161c6fc0ce245f61

Aliases

arxiv: 2302.06600 · arxiv_version: 2302.06600v2 · doi: 10.48550/arxiv.2302.06600 · pith_short_12: 6T43IYZ4LFVE · pith_short_16: 6T43IYZ4LFVEQECW · pith_short_8: 6T43IYZ4

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/6T43IYZ4LFVEQECWYZ5RV6QZWK \
  | 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: f4f9b4633c596a481056c67b1afa19b2a33da00ee121f8fe161c6fc0ce245f61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74c214428247f010a36c5a9e5539571ef5a4c876e3b2b090e22bb2e2f52980b4",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2023-02-13T18:55:52Z",
    "title_canon_sha256": "ddbc611bb50fcfe3873619cdc922f383b1c5759d4cbb163d21cf966331ebee03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.06600",
    "kind": "arxiv",
    "version": 2
  }
}