Pith Number

pith:VJVXNYRZ

pith:2025:VJVXNYRZUBOQIHTIZZTYYEWERQ

not attested not anchored not stored refs pending

No Task Left Behind: Isotropic Model Merging with Common and Task-Specific Subspaces

Andrew D. Bagdanov, Bart{\l}omiej Twardowski, Daniel Marczak, Joost Van De Weijer, Sebastian Cygert, Simone Magistri

arxiv:2502.04959 v3 · 2025-02-07 · 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{VJVXNYRZUBOQIHTIZZTYYEWERQ}

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

4 papers in Pith

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

ResMerge: Residual-based Spectral Merging of Large Language Models

Position: Zeroth-Order Optimization in Deep Learning Is Underexplored, Not Underpowered

PivotMerge: Bridging Heterogeneous Multimodal Pre-training via Post-Alignment Model Merging

Receipt and verification

First computed	2026-07-05T11:19:51.173472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa6b76e239a05d041e68ce678c12c48c1e5b965e45654d4b68aeb4f68fb0bb1e

Aliases

arxiv: 2502.04959 · arxiv_version: 2502.04959v3 · doi: 10.48550/arxiv.2502.04959 · pith_short_12: VJVXNYRZUBOQ · pith_short_16: VJVXNYRZUBOQIHTI · pith_short_8: VJVXNYRZ

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/VJVXNYRZUBOQIHTIZZTYYEWERQ \
  | 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: aa6b76e239a05d041e68ce678c12c48c1e5b965e45654d4b68aeb4f68fb0bb1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7f6c79a0915eb379cd2bf35daee8f189263056a64bda04a457d78ad58148bbe",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-07T14:22:56Z",
    "title_canon_sha256": "56b357dd68ae610a2b00cc25b51ca5a7cf4b70daf922f8f2ad40b2a9bf74526c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.04959",
    "kind": "arxiv",
    "version": 3
  }
}