Pith Number

pith:RHXTDYLM

pith:2026:RHXTDYLMCRCWLH76VXEKBKWNOK

not attested not anchored not stored refs pending

FuRA: Full-Rank Parameter-Efficient Fine-Tuning with Spectral Preconditioning

Liyan Tan, Niall Moran, Ruijie Zhang, Tong Qin, Yequan Zhao, Zheng Zhang

arxiv:2605.22869 v1 · 2026-05-19 · 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{RHXTDYLMCRCWLH76VXEKBKWNOK}

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	2026-05-25T02:01:27.859982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89ef31e16c1445659ffeadc8a0aacd72aa4ee6061f4cb7b1d71271c55c129dfa

Aliases

arxiv: 2605.22869 · arxiv_version: 2605.22869v1 · doi: 10.48550/arxiv.2605.22869 · pith_short_12: RHXTDYLMCRCW · pith_short_16: RHXTDYLMCRCWLH76 · pith_short_8: RHXTDYLM

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/RHXTDYLMCRCWLH76VXEKBKWNOK \
  | 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: 89ef31e16c1445659ffeadc8a0aacd72aa4ee6061f4cb7b1d71271c55c129dfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c1b5c208d7fde4315311788ea2a68628ffa1d5ad2d29787567bdb99f385379b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-19T22:11:25Z",
    "title_canon_sha256": "bd9f4abeea38bd1e62d32c375dad88eb3645e1e9a5ddf859e443c095458f42ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22869",
    "kind": "arxiv",
    "version": 1
  }
}