Pith Number

pith:UHT322ER

pith:2026:UHT322ERLRFYC7URFG6JVA5JUE

not attested not anchored not stored refs pending

Compositional Skill Routing for LLM Agents: Decompose, Retrieve, and Compose

Xueping Gao

arxiv:2606.18051 v1 · 2026-06-16 · 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{UHT322ERLRFYC7URFG6JVA5JUE}

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	2026-06-19T16:10:47.044734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1e7bd68915c4b817e9129bc9a83a9a137be7490986cbbe73c4b7a90fb57a902

Aliases

arxiv: 2606.18051 · arxiv_version: 2606.18051v1 · doi: 10.48550/arxiv.2606.18051 · pith_short_12: UHT322ERLRFY · pith_short_16: UHT322ERLRFYC7UR · pith_short_8: UHT322ER

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/UHT322ERLRFYC7URFG6JVA5JUE \
  | 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: a1e7bd68915c4b817e9129bc9a83a9a137be7490986cbbe73c4b7a90fb57a902

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20afbeeb7d99fb273890f2e5dc2b8e57ea5d95924464a17574dbd1577dfbb5e8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-16T15:27:55Z",
    "title_canon_sha256": "6bb1724ac1743ff6060845c86d994da8cf47d81c2e0cb59c43099611e8a4427e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18051",
    "kind": "arxiv",
    "version": 1
  }
}