Pith Number

pith:PCFJ4LII

pith:2026:PCFJ4LIIJ664EBNT3HBZGIN235

not attested not anchored not stored refs pending

SkillComposer: Learning to Evolve Agent Skills for Specification and Generalization

Bryan Hooi, Chu Liu, Haobo Wang, Jieping Ye, Junbo Zhao, Pengjun Xie, Qi Zhang, Xiaobin Wang, Xiaomeng Hu, Xiaonan Shi, Zhaopeng Feng

arxiv:2606.06079 v1 · 2026-06-04 · 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{PCFJ4LIIJ664EBNT3HBZGIN235}

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	2026-06-05T01:15:32.462201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

788a9e2d084fbdc205b3d9c39321badf5271db0926849e320f0402a2f502a128

Aliases

arxiv: 2606.06079 · arxiv_version: 2606.06079v1 · doi: 10.48550/arxiv.2606.06079 · pith_short_12: PCFJ4LIIJ664 · pith_short_16: PCFJ4LIIJ664EBNT · pith_short_8: PCFJ4LII

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/PCFJ4LIIJ664EBNT3HBZGIN235 \
  | 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: 788a9e2d084fbdc205b3d9c39321badf5271db0926849e320f0402a2f502a128

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba1d25f61f29271b1bd2831af7282d4868445731c03a865c908ab64c39b19fd7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-04T12:16:08Z",
    "title_canon_sha256": "00643d875bb7a751a22d3d6cb66b2f5e9cd1a4b6e8df16575ea0786706d85aab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.06079",
    "kind": "arxiv",
    "version": 1
  }
}