Pith Number

pith:H4RS76G3

pith:2026:H4RS76G3KVNIGQ2PSWENN6PMVC

not attested not anchored not stored refs pending

What Is a Skill Worth? Structure-Aware Shapley Valuation of Agent Skills

Bo Shao, Junfeng Liu, Lei Wang, Linjun Shou, Qinghua Zhao, Tao Li, Xuejun Liu, Yifan Li

arxiv:2608.04562 v1 · 2026-08-05 · 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{H4RS76G3KVNIGQ2PSWENN6PMVC}

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	2026-08-06T01:35:50.474603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f232ff8db555a83434f9588d6f9eca8baf937f052966cf40b7d440f5f9cdbb6

Aliases

arxiv: 2608.04562 · arxiv_version: 2608.04562v1 · doi: 10.48550/arxiv.2608.04562 · pith_short_12: H4RS76G3KVNI · pith_short_16: H4RS76G3KVNIGQ2P · pith_short_8: H4RS76G3

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/H4RS76G3KVNIGQ2PSWENN6PMVC \
  | 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: 3f232ff8db555a83434f9588d6f9eca8baf937f052966cf40b7d440f5f9cdbb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e14f894e8fa6efd50ecc22b373dad485634f45edeb3717954ca3bf22760a488b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-08-05T07:56:26Z",
    "title_canon_sha256": "5f72cb02a4f63cdc2d232bc7c719c960cf7f34fd30ed5784b2f13f904b6c7f3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.04562",
    "kind": "arxiv",
    "version": 1
  }
}