Pith Number

pith:T4YR5K22

pith:2026:T4YR5K22IHFK2JPFBXKIEQRW6B

not attested not anchored not stored refs pending

Beware of GeeksBearing Gifts: Building True EU Frontier AI Sovereignty

Amin Oueslati, Jonathan Smith, Nick Mo\"es, Radina Kraeva, Robin Staes-Polet, Toni Lorente

arxiv:2606.07536 v1 · 2026-04-28 · cs.CY · 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{T4YR5K22IHFK2JPFBXKIEQRW6B}

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	2026-06-09T00:04:41.989809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f311eab5a41caad25e50dd4824236f078d19a1463afd58f431a5f0314f01b8d

Aliases

arxiv: 2606.07536 · arxiv_version: 2606.07536v1 · doi: 10.48550/arxiv.2606.07536 · pith_short_12: T4YR5K22IHFK · pith_short_16: T4YR5K22IHFK2JPF · pith_short_8: T4YR5K22

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/T4YR5K22IHFK2JPFBXKIEQRW6B \
  | 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: 9f311eab5a41caad25e50dd4824236f078d19a1463afd58f431a5f0314f01b8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93d28df21f3f24dc6361a1bd7aa5fb60c4302a4cc61df345d9e43bb713f4f550",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2026-04-28T09:29:01Z",
    "title_canon_sha256": "cb6ff67fefdf22215787e99cfbb21491923377b72c860811f66b59322956fdcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.07536",
    "kind": "arxiv",
    "version": 1
  }
}