Pith Number

pith:Q63SUR4R

pith:2022:Q63SUR4RZJM3IC4LLE535ET27U

not attested not anchored not stored refs pending

Towards experimental classical verification of quantum computation

Barbara Kraus, Claire Edmunds, Jose Carrasco, Lukas Postler, Martin Ringbauer, Michael Meth, Peter Zoller, Philipp Schindler, Rainer Blatt, Roman Stricker, Thomas Monz

arxiv:2203.07395 v1 · 2022-03-14 · 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{Q63SUR4RZJM3IC4LLE535ET27U}

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	2026-07-05T04:05:04.109345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87b72a4791ca59b40b8b593bbe927afd1b69ffbadf4b40dc2f87818486b2a855

Aliases

arxiv: 2203.07395 · arxiv_version: 2203.07395v1 · doi: 10.48550/arxiv.2203.07395 · pith_short_12: Q63SUR4RZJM3 · pith_short_16: Q63SUR4RZJM3IC4L · pith_short_8: Q63SUR4R

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/Q63SUR4RZJM3IC4LLE535ET27U \
  | 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: 87b72a4791ca59b40b8b593bbe927afd1b69ffbadf4b40dc2f87818486b2a855

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f973be396cadb39c7f379dda30dcef11dfb440bd7531caa9092327fac9f5198",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-03-14T18:00:07Z",
    "title_canon_sha256": "c0ae91ca2bd49feff1ab415ce479f3a01bf595f52b4d628843977954fc71882f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.07395",
    "kind": "arxiv",
    "version": 1
  }
}