Pith Number

pith:VWK2BUIH

pith:2025:VWK2BUIHFUVQBNCJQNXP6XETLE

not attested not anchored not stored refs pending

From Task-Specific Models to Unified Systems: A Review of Model Merging Approaches

Jin Lu, Tianming Liu, Tianze Yang, Wei Ruan, Yifan Zhou

arxiv:2503.08998 v1 · 2025-03-12 · 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{VWK2BUIHFUVQBNCJQNXP6XETLE}

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.

Cited by

2 papers in Pith

PACT: Preserving Anchored Cores in Task-vectors for Model Merging

Harnessing Multiple Large Language Models: A Survey on LLM Ensemble

Receipt and verification

First computed	2026-07-05T10:29:45.619848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad95a0d1072d2b00b449836eff5c935903afc7619cafe7846c1cc6b937b9883d

Aliases

arxiv: 2503.08998 · arxiv_version: 2503.08998v1 · doi: 10.48550/arxiv.2503.08998 · pith_short_12: VWK2BUIHFUVQ · pith_short_16: VWK2BUIHFUVQBNCJ · pith_short_8: VWK2BUIH

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/VWK2BUIHFUVQBNCJQNXP6XETLE \
  | 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: ad95a0d1072d2b00b449836eff5c935903afc7619cafe7846c1cc6b937b9883d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fe1ade92b4724fc5a61639a96dd8bbea4dc8c0f08df258c4633ae9a77cca682",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-03-12T02:17:31Z",
    "title_canon_sha256": "94e733cb4576d036f53ec2b91c9f5bef7562262da1558ee25664c9b698769462"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.08998",
    "kind": "arxiv",
    "version": 1
  }
}