Pith Number

pith:FOYP7SXZ

pith:2026:FOYP7SXZDWDWXSIQ26XSHHTRY2

not attested not anchored not stored refs pending

Skills Are Not Islands: Measuring Dependency and Risk in Agent Skill Supply Chains

Changguo Jia, Minghui Zhou, Runzhi He, Tianqi Zhao

arxiv:2607.01136 v1 · 2026-07-01 · cs.SE · 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{FOYP7SXZDWDWXSIQ26XSHHTRY2}

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	2026-07-02T01:18:30.109627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bb0ffcaf91d876bc910d7af239e71c6b50f60333fbacf9a2af568aedac5b32b

Aliases

arxiv: 2607.01136 · arxiv_version: 2607.01136v1 · doi: 10.48550/arxiv.2607.01136 · pith_short_12: FOYP7SXZDWDW · pith_short_16: FOYP7SXZDWDWXSIQ · pith_short_8: FOYP7SXZ

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/FOYP7SXZDWDWXSIQ26XSHHTRY2 \
  | 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: 2bb0ffcaf91d876bc910d7af239e71c6b50f60333fbacf9a2af568aedac5b32b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40fe61f0ac1dc12aacfdaf77b61305525a0fb4237eb9e777ef65f05beeed64b2",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-01T16:21:49Z",
    "title_canon_sha256": "5e3270c17fefc1f5a0c3f2844d1b0d614785f80a09df6a0eac89f509fd73b360"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01136",
    "kind": "arxiv",
    "version": 1
  }
}