Pith Number

pith:W434I7ZV

pith:2011:W434I7ZVJAONFC55IVDACSNX5Z

not attested not anchored not stored refs pending

Fair and optimistic quantum contract signing

J. Bouda, N. Paunkovic, P. Mateus

arxiv:1106.2922 v2 · 2011-06-15 · 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{W434I7ZVJAONFC55IVDACSNX5Z}

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	2026-05-18T02:01:37.034734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b737c47f35481cd28bbd45460149b7ee6cbaa81fd9ca0d1f4dcd17b590ad3685

Aliases

arxiv: 1106.2922 · arxiv_version: 1106.2922v2 · doi: 10.48550/arxiv.1106.2922 · pith_short_12: W434I7ZVJAON · pith_short_16: W434I7ZVJAONFC55 · pith_short_8: W434I7ZV

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/W434I7ZVJAONFC55IVDACSNX5Z \
  | 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: b737c47f35481cd28bbd45460149b7ee6cbaa81fd9ca0d1f4dcd17b590ad3685

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "287c177e01cbcef58b7dbc7e0e6aff132f31d0962e867c8e60093924e1346afa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-06-15T10:08:19Z",
    "title_canon_sha256": "ebcfa888de52e80d4929ae48af69ec95563a703bf93216ba4e453cf642d5020b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2922",
    "kind": "arxiv",
    "version": 2
  }
}