Pith Number

pith:EJZEQEPW

pith:2026:EJZEQEPW4KT6C7DY4RLZJRMYWQ

not attested not anchored not stored refs pending

Rethinking Heterogeneous LLM Merging: A Weighted Model Averaging Perspective

Aiyuan Zhang, Defu Lian, Hong Xie, Jiahe Fan, Si Chen, Yinghao Hou

arxiv:2607.18026 v1 · 2026-07-20 · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EJZEQEPW4KT6C7DY4RLZJRMYWQ}

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	2026-07-21T02:22:12.371918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22724811f6e2a7e17c78e45794c598b40bf77d7044a93bc7c6ff6996f3a7ae04

Aliases

arxiv: 2607.18026 · arxiv_version: 2607.18026v1 · doi: 10.48550/arxiv.2607.18026 · pith_short_12: EJZEQEPW4KT6 · pith_short_16: EJZEQEPW4KT6C7DY · pith_short_8: EJZEQEPW

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/EJZEQEPW4KT6C7DY4RLZJRMYWQ \
  | 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: 22724811f6e2a7e17c78e45794c598b40bf77d7044a93bc7c6ff6996f3a7ae04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7d791138cf5cf7af90ea8c68e0a28d14999ef74bcf35e62ca57d0b111b33035",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-20T14:58:53Z",
    "title_canon_sha256": "863c90996f5cea31eb74da8e584480af890e453c4d720fd4239085b8c801f1e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18026",
    "kind": "arxiv",
    "version": 1
  }
}