Pith Number

pith:ZAIP7RQ7

pith:2025:ZAIP7RQ7NKQJ47C57XHOCFLSVL

not attested not anchored not stored refs pending

How to Verify that a Small Device is Quantum, Unconditionally

Giulio Malavolta, Tamer Mour

arxiv:2505.23978 v1 · 2025-05-29 · quant-ph · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZAIP7RQ7NKQJ47C57XHOCFLSVL}

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	2026-07-05T11:12:39.429805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c810ffc61f6aa09e7c5dfdcee11572aaf0ac3d4f2839b55eb4dbdadac69e1d69

Aliases

arxiv: 2505.23978 · arxiv_version: 2505.23978v1 · doi: 10.48550/arxiv.2505.23978 · pith_short_12: ZAIP7RQ7NKQJ · pith_short_16: ZAIP7RQ7NKQJ47C5 · pith_short_8: ZAIP7RQ7

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/ZAIP7RQ7NKQJ47C57XHOCFLSVL \
  | 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: c810ffc61f6aa09e7c5dfdcee11572aaf0ac3d4f2839b55eb4dbdadac69e1d69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29bbf923a8856191793aa1f791b0fb9b03002ffaa02a14c65f049b00bd18cac2",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-05-29T20:09:22Z",
    "title_canon_sha256": "16ba3fd636de2a0efe236930fef2096656ecc9f2e290d0679680c27e1ff12efd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23978",
    "kind": "arxiv",
    "version": 1
  }
}