Pith Number

pith:YR2TE2UD

pith:2025:YR2TE2UDSHURELACH7JCW2PKNI

not attested not anchored not stored refs pending

Dynamic Fisher-weighted Model Merging via Bayesian Optimization

Jiahao Liu, Jingang Wang, Qifan Wang, Sanwoo Lee, Xunliang Cai, Yunfang Wu

arxiv:2504.18992 v1 · 2025-04-26 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YR2TE2UDSHURELACH7JCW2PKNI}

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

AP-BMM: Approximating Capability-Cost Pareto Sets of LLMs via Asynchronous Prior-Guided Bayesian Model Merging

ACE-Merging: Data-Free Model Merging with Adaptive Covariance Estimation

Receipt and verification

First computed	2026-07-05T10:54:50.108253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c475326a8391e9122c023fd22b69ea6a11f1d1f41a68a6e2715fd5353da167e8

Aliases

arxiv: 2504.18992 · arxiv_version: 2504.18992v1 · doi: 10.48550/arxiv.2504.18992 · pith_short_12: YR2TE2UDSHUR · pith_short_16: YR2TE2UDSHURELAC · pith_short_8: YR2TE2UD

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/YR2TE2UDSHURELACH7JCW2PKNI \
  | 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: c475326a8391e9122c023fd22b69ea6a11f1d1f41a68a6e2715fd5353da167e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47cbb58cec2ac891302b876c2b13beb0fdfdc6da103c536687b68197a0b82674",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-04-26T18:31:14Z",
    "title_canon_sha256": "0315c9e2a994367720ee27671f5676b862d744f1430119f4c5c5a1f461f2af9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.18992",
    "kind": "arxiv",
    "version": 1
  }
}