Pith Number

pith:7HPRSZ3D

pith:2003:7HPRSZ3DZRARRCB44ETWVR3Z4H

not attested not anchored not stored refs pending

Multiparty Quantum Coin Flipping

Andris Ambainis, Harry Buhrman, Hein Roehrig, Yevgeniy Dodis

arxiv:quant-ph/0304112 v2 · 2003-04-16 · quant-ph · cs.CR · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7HPRSZ3DZRARRCB44ETWVR3Z4H}

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	2026-05-18T00:58:26.358649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9df196763cc4118883ce1276ac779e1f239e54690c0fa079e809bd62d4719e2

Aliases

arxiv: quant-ph/0304112 · arxiv_version: quant-ph/0304112v2 · doi: 10.48550/arxiv.quant-ph/0304112 · pith_short_12: 7HPRSZ3DZRAR · pith_short_16: 7HPRSZ3DZRARRCB4 · pith_short_8: 7HPRSZ3D

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/7HPRSZ3DZRARRCB44ETWVR3Z4H \
  | 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: f9df196763cc4118883ce1276ac779e1f239e54690c0fa079e809bd62d4719e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f462d07c042700322b24a17455988e76879d431740a78ccf4c1257d45eeec80",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.DC"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-04-16T11:24:54Z",
    "title_canon_sha256": "5b87d3826cc6aac5e56c24aee7fb0249c780d54d1c365b142297978e375b256d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0304112",
    "kind": "arxiv",
    "version": 2
  }
}