Pith Number

pith:VTN6QBCE

pith:2026:VTN6QBCEGSEAXSY5E6KFMZBUYT

not attested not anchored not stored refs pending

Privacy-Preserving AI Verification via Minimal Information Disclosure

Gabriel Kulp, Sleem Abdelghafar

arxiv:2608.02774 v1 · 2026-08-03 · 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{VTN6QBCEGSEAXSY5E6KFMZBUYT}

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	2026-08-05T00:39:58.650058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acdbe8044434880bcb1d2794566434c4f81500c1f326b257cc7de6576cc2ae2f

Aliases

arxiv: 2608.02774 · arxiv_version: 2608.02774v1 · doi: 10.48550/arxiv.2608.02774 · pith_short_12: VTN6QBCEGSEA · pith_short_16: VTN6QBCEGSEAXSY5 · pith_short_8: VTN6QBCE

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/VTN6QBCEGSEAXSY5E6KFMZBUYT \
  | 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: acdbe8044434880bcb1d2794566434c4f81500c1f326b257cc7de6576cc2ae2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "979311e3a993d6c37418c07aaab250f80f78607cf953fbbd84270ce3ba6d2c92",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-08-03T18:18:11Z",
    "title_canon_sha256": "d2b430e21918d4447d937a2ae395cc9b9f5e107cbe8ea90f430cd06dfe35cbc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.02774",
    "kind": "arxiv",
    "version": 1
  }
}