Pith Number

pith:3HWKPGWY

pith:2026:3HWKPGWY2HVYAIQOWF3QGZWD3L

not attested not anchored not stored refs pending

Predicting Mergeability of Parameter-Efficient Fine-Tuning Updates

Hongyu Chen, Jing Li, Lin Tang, Ming Zhao, Wei Zhang, Yuxuan Wang

arxiv:2606.19549 v1 · 2026-06-17 · 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{3HWKPGWY2HVYAIQOWF3QGZWD3L}

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	2026-06-19T16:12:28.705425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9eca79ad8d1eb80220eb1770366c3dae5da7440ae413190b978673732f7c7b0

Aliases

arxiv: 2606.19549 · arxiv_version: 2606.19549v1 · doi: 10.48550/arxiv.2606.19549 · pith_short_12: 3HWKPGWY2HVY · pith_short_16: 3HWKPGWY2HVYAIQO · pith_short_8: 3HWKPGWY

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/3HWKPGWY2HVYAIQOWF3QGZWD3L \
  | 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: d9eca79ad8d1eb80220eb1770366c3dae5da7440ae413190b978673732f7c7b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb33f6ef31b462f443c4e54684e9802284f43045a7f44158c7c49f90b1824a33",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-17T19:40:51Z",
    "title_canon_sha256": "5be64254d8d1e4a35cb199263a8d76f5588468107e9f045a5798ff4f88df26ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19549",
    "kind": "arxiv",
    "version": 1
  }
}