Pith Number

pith:L36HUU25

pith:2026:L36HUU25PRK7QW3XOISQXZX4ID

not attested not anchored not stored refs pending

On Clifford hierarchy testing and near-extremizers of noncommutative uniformity norms

Davi Castro-Silva, Jonas Helsen, Jop Bri\"et, Philippe van Dordrecht, Zongbo (Bob) Bao

arxiv:2605.26983 v1 · 2026-05-26 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L36HUU25PRK7QW3XOISQXZX4ID}

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	2026-05-27T01:06:22.797350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5efc7a535d7c55f85b7772250be6fc40d74a546e5a63ac4795d36883cdbb0ec0

Aliases

arxiv: 2605.26983 · arxiv_version: 2605.26983v1 · doi: 10.48550/arxiv.2605.26983 · pith_short_12: L36HUU25PRK7 · pith_short_16: L36HUU25PRK7QW3X · pith_short_8: L36HUU25

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/L36HUU25PRK7QW3XOISQXZX4ID \
  | 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: 5efc7a535d7c55f85b7772250be6fc40d74a546e5a63ac4795d36883cdbb0ec0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05d0c86b97373d2c316ffac169ba9fcd6dfe3c2f74beef1a401e49aecf7833ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-26T13:08:55Z",
    "title_canon_sha256": "e15c6073ccd66381fc80628f115bae5bd9160317ff7786f44f4021a722907c39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26983",
    "kind": "arxiv",
    "version": 1
  }
}