Pith Number

pith:ZWYYEDWA

pith:2003:ZWYYEDWAE4SU5UDHP2LQO5EEBA

not attested not anchored not stored refs pending

Quantum coin tossing and bit-string generation in the presence of noise

Jonathan Barrett, Serge Massar

arxiv:quant-ph/0303182 v4 · 2003-03-31 · 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{ZWYYEDWAE4SU5UDHP2LQO5EEBA}

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	2026-07-04T16:42:27.916303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdb1820ec027254ed0677e970774840819eb8292a8049b6b035129e6d611c15d

Aliases

arxiv: quant-ph/0303182 · arxiv_version: quant-ph/0303182v4 · doi: 10.48550/arxiv.quant-ph/0303182 · pith_short_12: ZWYYEDWAE4SU · pith_short_16: ZWYYEDWAE4SU5UDH · pith_short_8: ZWYYEDWA

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/ZWYYEDWAE4SU5UDHP2LQO5EEBA \
  | 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: cdb1820ec027254ed0677e970774840819eb8292a8049b6b035129e6d611c15d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b5c4b612f594b55d538f1eef03ed805dd5958bccad621869760bfe10f71dfc2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-03-31T11:57:25Z",
    "title_canon_sha256": "06ed3830dde11d094d3038525dbdb138d09cce3ac641fce44d8bb9703e74ca04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0303182",
    "kind": "arxiv",
    "version": 4
  }
}