Pith Number

pith:WKXUEH5Z

pith:2003:WKXUEH5ZUVGXOFBS72JIPAENAG

not attested not anchored not stored refs pending

No information flow using statistical fluctuations, and quantum cryptography

Jan-{\AA}ke Larsson

arxiv:quant-ph/0308107 v1 · 2003-08-21 · 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{WKXUEH5ZUVGXOFBS72JIPAENAG}

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	2026-07-05T04:05:26.782618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2af421fb9a54d771432fe9287808d0187c36b3ebd978bb0654f8c7a0592d0b1

Aliases

arxiv: quant-ph/0308107 · arxiv_version: quant-ph/0308107v1 · doi: 10.48550/arxiv.quant-ph/0308107 · pith_short_12: WKXUEH5ZUVGX · pith_short_16: WKXUEH5ZUVGXOFBS · pith_short_8: WKXUEH5Z

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/WKXUEH5ZUVGXOFBS72JIPAENAG \
  | 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: b2af421fb9a54d771432fe9287808d0187c36b3ebd978bb0654f8c7a0592d0b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "111f056fff9f8e5200dcda5af3737227cf12353e9ce465a9ff58311e5105f642",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-08-21T10:47:09Z",
    "title_canon_sha256": "dc8a4f4232d499f76eb99c744dd7b088c839dfe94b7200b8fbb16616d79b0665"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0308107",
    "kind": "arxiv",
    "version": 1
  }
}