Pith Number

pith:BM4SWQDE

pith:2026:BM4SWQDEVLF65VG6KERZMFOOQM

not attested not anchored not stored refs pending

From "Weak" Signals to Strong Models: Preference Delta Aggregation with LoRA Merging

Chen Zhao, Qi Sun, Ru Peng, Siyue Zhang, Yulin Chen, Yuxiang Xue

arxiv:2606.00357 v1 · 2026-05-29 · 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{BM4SWQDEVLF65VG6KERZMFOOQM}

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	2026-06-02T01:03:52.543796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b392b4064aacbeed4de51239615ce833d484eb4f795851045b3e4c02a9e98d8

Aliases

arxiv: 2606.00357 · arxiv_version: 2606.00357v1 · doi: 10.48550/arxiv.2606.00357 · pith_short_12: BM4SWQDEVLF6 · pith_short_16: BM4SWQDEVLF65VG6 · pith_short_8: BM4SWQDE

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/BM4SWQDEVLF65VG6KERZMFOOQM \
  | 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: 0b392b4064aacbeed4de51239615ce833d484eb4f795851045b3e4c02a9e98d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27b4176ef35385c2b9e8441573398a5d9b3454e517b8e0814603357d711b9d57",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-29T21:00:29Z",
    "title_canon_sha256": "2dde7c224a77753a970bff9444d6667b5397c504eb158489345897b705eca8ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.00357",
    "kind": "arxiv",
    "version": 1
  }
}