Pith Number

pith:27CJUL25

pith:2025:27CJUL25ICHTODOTPYRRYEO3KH

not attested not anchored not stored refs pending

DivMerge: A divergence-based model merging method for multi-tasking

Brahim Touayouch, G\'eraldine Damnati, Gw\'enol\'e Lecorv\'e, Lo\"ic Fosse

arxiv:2509.02108 v3 · 2025-09-02 · 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{27CJUL25ICHTODOTPYRRYEO3KH}

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	2026-07-05T12:09:46.144721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7c49a2f5d408f370dd37e231c11db51ccd8ac8dd25cad4f64812b37a006e808

Aliases

arxiv: 2509.02108 · arxiv_version: 2509.02108v3 · doi: 10.48550/arxiv.2509.02108 · pith_short_12: 27CJUL25ICHT · pith_short_16: 27CJUL25ICHTODOT · pith_short_8: 27CJUL25

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/27CJUL25ICHTODOTPYRRYEO3KH \
  | 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: d7c49a2f5d408f370dd37e231c11db51ccd8ac8dd25cad4f64812b37a006e808

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1abc0599ce26574a108e7991257b702d949a19f458b5b2580a97863074b6239",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-09-02T09:04:41Z",
    "title_canon_sha256": "ac949e8702ab4e938a06392afc88419baffc945112bcee9149a77c3a24e3c459"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.02108",
    "kind": "arxiv",
    "version": 3
  }
}