Pith Number

pith:HZCTRQ5N

pith:2026:HZCTRQ5NL2D4NDXCSRDIEN2UB7

not attested not anchored not stored refs pending

Golden Layers and Where to Find Them: Improved Knowledge Editing for Large Language Models Via Layer Gradient Analysis

Anshuman Chhabra, Hongfu Liu, Shrestha Datta

arxiv:2602.20207 v3 · 2026-02-22 · cs.LG · 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{HZCTRQ5NL2D4NDXCSRDIEN2UB7}

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.

Receipt and verification

First computed	2026-05-20T00:00:35.028744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e4538c3ad5e87c68ee294468237540fd06a9e3a941e167177a597828535ecc5

Aliases

arxiv: 2602.20207 · arxiv_version: 2602.20207v3 · doi: 10.48550/arxiv.2602.20207 · pith_short_12: HZCTRQ5NL2D4 · pith_short_16: HZCTRQ5NL2D4NDXC · pith_short_8: HZCTRQ5N

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/HZCTRQ5NL2D4NDXCSRDIEN2UB7 \
  | 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: 3e4538c3ad5e87c68ee294468237540fd06a9e3a941e167177a597828535ecc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4e2800f336c951002815cb514ee9280b579677c9b298ab2f3533716c86a8911",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-22T22:55:11Z",
    "title_canon_sha256": "d4001e136a965ae94d3566ac2f591e0edc9c7b2f43223a1d460000eccc8581e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.20207",
    "kind": "arxiv",
    "version": 3
  }
}