Pith Number

pith:3OLDADMW

pith:2009:3OLDADMW2PIRCVCVUH2EGMAEKD

not attested not anchored not stored refs pending

Device-independent quantum key distribution secure against collective attacks

Antonio Acin, Nicolas Brunner, Nicolas Gisin, Serge Massar, Stefano Pironio, Valerio Scarani

arxiv:0903.4460 v1 · 2009-03-25 · 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{3OLDADMW2PIRCVCVUH2EGMAEKD}

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	2026-07-04T15:41:55.664577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db96300d96d3d1115455a1f443300450d63aab07370f0224b34b0eb4a2a59d13

Aliases

arxiv: 0903.4460 · arxiv_version: 0903.4460v1 · doi: 10.48550/arxiv.0903.4460 · pith_short_12: 3OLDADMW2PIR · pith_short_16: 3OLDADMW2PIRCVCV · pith_short_8: 3OLDADMW

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/3OLDADMW2PIRCVCVUH2EGMAEKD \
  | 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: db96300d96d3d1115455a1f443300450d63aab07370f0224b34b0eb4a2a59d13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9ea9dc9809135cf7a5bf17271be85038b2a8866f5c50eda8e93cf17eb741702",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-03-25T20:29:26Z",
    "title_canon_sha256": "f504c3fce864b65ea2237e74bc119f1dd839d99eeda6ecd49b18b08847d9520d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4460",
    "kind": "arxiv",
    "version": 1
  }
}