Pith Number

pith:XPK23WBM

pith:2026:XPK23WBMZQVBCVM7TDBQG6Y5LW

not attested not anchored not stored refs pending

From Registry to Repository: How AI Agent Skills Are Written, Adapted, and Maintained

Christoph Treude, Haoyu Gao, Hong Yi Lin, Jai Lal Lulla, Mansooreh Zahedi, Sebastian Baltes

arxiv:2607.00911 v1 · 2026-07-01 · cs.SE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XPK23WBMZQVBCVM7TDBQG6Y5LW}

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	2026-07-02T01:18:23.234886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbd5add82ccc2a11559f98c3037b1d5d9605245909703b0bda1b8b528f2fa9f9

Aliases

arxiv: 2607.00911 · arxiv_version: 2607.00911v1 · doi: 10.48550/arxiv.2607.00911 · pith_short_12: XPK23WBMZQVB · pith_short_16: XPK23WBMZQVBCVM7 · pith_short_8: XPK23WBM

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/XPK23WBMZQVBCVM7TDBQG6Y5LW \
  | 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: bbd5add82ccc2a11559f98c3037b1d5d9605245909703b0bda1b8b528f2fa9f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9aa31061de683a47e3263bc9ca190b8bde623160c9a60cc4fec5e4af17b0ecb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-01T13:14:45Z",
    "title_canon_sha256": "5541f26c4ebcaf2ce37f5ec446e6acc5b932c69923ce841c7247b0a8ceda9385"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00911",
    "kind": "arxiv",
    "version": 1
  }
}