Pith Number

pith:5Z7WFZCL

pith:2010:5Z7WFZCLHVJMQOC4KMXULLOX7Q

not attested not anchored not stored refs pending

Long distance two-party quantum cryptography made simple

Iordanis Kerenidis, Stephanie Wehner

arxiv:1008.0253 v1 · 2010-08-02 · 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{5Z7WFZCLHVJMQOC4KMXULLOX7Q}

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	2026-05-18T04:42:43.686425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee7f62e44b3d52c8385c532f45add7fc31420d88c7b1fde0d9b8f918018eef85

Aliases

arxiv: 1008.0253 · arxiv_version: 1008.0253v1 · doi: 10.48550/arxiv.1008.0253 · pith_short_12: 5Z7WFZCLHVJM · pith_short_16: 5Z7WFZCLHVJMQOC4 · pith_short_8: 5Z7WFZCL

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/5Z7WFZCLHVJMQOC4KMXULLOX7Q \
  | 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: ee7f62e44b3d52c8385c532f45add7fc31420d88c7b1fde0d9b8f918018eef85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19b016390decfbf8ff63a458ab85e8822cc81884a998b89c216ef3d0a0bfa276",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-08-02T09:11:44Z",
    "title_canon_sha256": "b66e0201935ff32d51c7df9bd21249d76077479658aebfc89c1d0a4ab7e2fdf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0253",
    "kind": "arxiv",
    "version": 1
  }
}