Pith Number

pith:T6VVSJDC

pith:2026:T6VVSJDCEQZ6DFFPXSQ4SOKJSV

not attested not anchored not stored refs pending

Skill Weaving: Efficient LLM Improvement via Modular Skillpacks

Guodong Du, Jiabo Zhang, Jing Li, Weijun Yao, Weiyang Guo, Yuan Zhou, Zesheng Shi, Zhuo Li

arxiv:2605.22205 v1 · 2026-05-21 · cs.AI · 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{T6VVSJDCEQZ6DFFPXSQ4SOKJSV}

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	2026-05-22T01:04:32.142518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fab5924622433e194afbca1c939499577171e3641a73f23e3edeb4c10f9bd3c

Aliases

arxiv: 2605.22205 · arxiv_version: 2605.22205v1 · doi: 10.48550/arxiv.2605.22205 · pith_short_12: T6VVSJDCEQZ6 · pith_short_16: T6VVSJDCEQZ6DFFP · pith_short_8: T6VVSJDC

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/T6VVSJDCEQZ6DFFPXSQ4SOKJSV \
  | 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: 9fab5924622433e194afbca1c939499577171e3641a73f23e3edeb4c10f9bd3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f91d6ce351bd74386f86226da552e1c7d28dfc696304937d933abab9e40ea972",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-21T09:12:20Z",
    "title_canon_sha256": "37d01373f8f675a8eac3a8efd84fd1f5bea20bb6c7319b94005a41c37d3f6061"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22205",
    "kind": "arxiv",
    "version": 1
  }
}