Pith Number

pith:L2PS37PA

pith:2026:L2PS37PAU6TWALJ43ZV3UBIFM6

not attested not anchored not stored refs pending

The Decomposition Is the Fingerprint: Per-Component Identity for Agent Skills

Hongliang Liu, Tung-Ling Li, Yuhao Wu

arxiv:2606.31272 v1 · 2026-06-30 · cs.CR · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L2PS37PAU6TWALJ43ZV3UBIFM6}

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	2026-07-01T01:17:57.719222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e9f2dfde0a7a7602d3cde6bba0505679a00b2b73bd427b1c7a80068b94b698c

Aliases

arxiv: 2606.31272 · arxiv_version: 2606.31272v1 · doi: 10.48550/arxiv.2606.31272 · pith_short_12: L2PS37PAU6TW · pith_short_16: L2PS37PAU6TWALJ4 · pith_short_8: L2PS37PA

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/L2PS37PAU6TWALJ43ZV3UBIFM6 \
  | 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: 5e9f2dfde0a7a7602d3cde6bba0505679a00b2b73bd427b1c7a80068b94b698c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92acad4435263f25d4aa93d046e685bdc0e94ca9266a86220e0cd25c310c3467",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-06-30T07:45:33Z",
    "title_canon_sha256": "423cbbcb3ecd8f312c696f2616bc5e609866740702e5bcd2df47ca6c744234f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31272",
    "kind": "arxiv",
    "version": 1
  }
}