Pith Number

pith:POMZ7PMX

pith:2026:POMZ7PMXMA6GXBQIMFETRT2DQT

not attested not anchored not stored refs pending

Dataless Weight Disentanglement in Task Arithmetic via Kronecker-Factored Approximate Curvature

Angelo Porrello, Felix Dangel, Lorenzo Bonicelli, Pietro Buzzega, Riccardo Salami, Simone Calderara, Thomas Sommariva

arxiv:2602.17385 v3 · 2026-02-19 · 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{POMZ7PMXMA6GXBQIMFETRT2DQT}

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	2026-05-22T01:03:58.121366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b999fbd97603c6b8608614938cf4384f17ac6c264b740bd70c370d6e48d7ea8

Aliases

arxiv: 2602.17385 · arxiv_version: 2602.17385v3 · doi: 10.48550/arxiv.2602.17385 · pith_short_12: POMZ7PMXMA6G · pith_short_16: POMZ7PMXMA6GXBQI · pith_short_8: POMZ7PMX

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/POMZ7PMXMA6GXBQIMFETRT2DQT \
  | 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: 7b999fbd97603c6b8608614938cf4384f17ac6c264b740bd70c370d6e48d7ea8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8328e57ae2f515516df4ca720f0d95b7089134266917de44afbc4ecb78f65a79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-02-19T14:10:45Z",
    "title_canon_sha256": "944300a06ca26708371ea7c4baf0f1cce731ac379337067475b3677fd73da5ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.17385",
    "kind": "arxiv",
    "version": 3
  }
}