Pith Number

pith:567QVS6S

pith:2026:567QVS6SL4HMADNU3FQEVUTEFT

not attested not anchored not stored refs pending

Toward cryptographically verifiable authorization for autonomous AI agents: A security hypothesis, preliminary formal model, and proof-of-concept implementation

D. Fern\'andez-Fern\'andez, M. Llamb\'i-Morillas

arxiv:2607.21325 v1 · 2026-07-23 · cs.CR · 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{567QVS6SL4HMADNU3FQEVUTEFT}

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	2026-07-24T01:24:25.904581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efbf0acbd25f0ec00db4d9604ad2642ccd198dee9f75a51e10cf7cd73a8e0e84

Aliases

arxiv: 2607.21325 · arxiv_version: 2607.21325v1 · doi: 10.48550/arxiv.2607.21325 · pith_short_12: 567QVS6SL4HM · pith_short_16: 567QVS6SL4HMADNU · pith_short_8: 567QVS6S

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/567QVS6SL4HMADNU3FQEVUTEFT \
  | 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: efbf0acbd25f0ec00db4d9604ad2642ccd198dee9f75a51e10cf7cd73a8e0e84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b8669eb77a286a757bfb6d6dc32df668ac5f1d27147f7f230db9b47a83ae8a6",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-07-23T13:55:02Z",
    "title_canon_sha256": "5ede363aeb9d5185ea191c4290a06e078a2f6cb662670a95aa251d52502364a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.21325",
    "kind": "arxiv",
    "version": 1
  }
}