Pith Number

pith:F4PRYRSO

pith:2025:F4PRYRSO5JSWLMF4DPDKASYAZ4

not attested not anchored not stored refs pending

Parameter-Efficient Fine-Tuning with Circulant and Diagonal Vectors

Lexuan Chen, Siyu Liao, Xinyu Ding, Zhongfeng Wang

arxiv:2505.00580 v2 · 2025-05-01 · 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{F4PRYRSO5JSWLMF4DPDKASYAZ4}

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	2026-07-05T11:37:19.116081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f1f1c464eea6565b0bc1bc6a04b00cf38811231951b7a3b029928809abb572d

Aliases

arxiv: 2505.00580 · arxiv_version: 2505.00580v2 · doi: 10.48550/arxiv.2505.00580 · pith_short_12: F4PRYRSO5JSW · pith_short_16: F4PRYRSO5JSWLMF4 · pith_short_8: F4PRYRSO

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/F4PRYRSO5JSWLMF4DPDKASYAZ4 \
  | 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: 2f1f1c464eea6565b0bc1bc6a04b00cf38811231951b7a3b029928809abb572d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e08c63fffaf86cf757b901fd192dc6a86a6f3564c2e78cea6da6186b4570e243",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-01T15:11:46Z",
    "title_canon_sha256": "81898d2b26e2710ad63c1c3c4f5790dd4d69f3ac3fa3085ff500fc74f08de817"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.00580",
    "kind": "arxiv",
    "version": 2
  }
}