Pith Number

pith:6VTMNWAN

pith:2009:6VTMNWANUMKRSDHK6TBY3YW4LD

not attested not anchored not stored refs pending

Efficient reconciliation protocol for discrete-variable quantum key distribution

Anthony Leverrier, David Elkouss, Joseph Boutros, Romain All\'eaume

arxiv:0901.2140 v1 · 2009-01-14 · cs.IT · math.IT · 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{6VTMNWANUMKRSDHK6TBY3YW4LD}

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	2026-05-18T04:25:26.202684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f566c6d80da315190ceaf4c38de2dc58d1f591ba9a93be1e249f2b663b263424

Aliases

arxiv: 0901.2140 · arxiv_version: 0901.2140v1 · doi: 10.48550/arxiv.0901.2140 · pith_short_12: 6VTMNWANUMKR · pith_short_16: 6VTMNWANUMKRSDHK · pith_short_8: 6VTMNWAN

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/6VTMNWANUMKRSDHK6TBY3YW4LD \
  | 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: f566c6d80da315190ceaf4c38de2dc58d1f591ba9a93be1e249f2b663b263424

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60a715ac32458348e4e383d245522d3b4b7481bb32d94bdbf7c7f08478bbbcb0",
    "cross_cats_sorted": [
      "math.IT",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-01-14T23:07:59Z",
    "title_canon_sha256": "b93760979431165045b4c3bffd83a3513b6caa81e5bf1acbe73a30c19f411fde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2140",
    "kind": "arxiv",
    "version": 1
  }
}