Pith Number

pith:D5ZLL7JH

pith:2015:D5ZLL7JHUHQ4YNKEWXNIYAKT2M

not attested not anchored not stored refs pending

A largely self-contained and complete security proof for quantum key distribution

Anthony Leverrier, Marco Tomamichel

arxiv:1506.08458 v3 · 2015-06-28 · 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{D5ZLL7JHUHQ4YNKEWXNIYAKT2M}

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	2026-05-18T00:38:11.819733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f72b5fd27a1e1cc3544b5da8c0153d3318b5665f2eff885fb29763d5b00c58d

Aliases

arxiv: 1506.08458 · arxiv_version: 1506.08458v3 · doi: 10.48550/arxiv.1506.08458 · pith_short_12: D5ZLL7JHUHQ4 · pith_short_16: D5ZLL7JHUHQ4YNKE · pith_short_8: D5ZLL7JH

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/D5ZLL7JHUHQ4YNKEWXNIYAKT2M \
  | 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: 1f72b5fd27a1e1cc3544b5da8c0153d3318b5665f2eff885fb29763d5b00c58d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43fb8472cb712e291fca7322f4eb1a78e83b4dcb7ad64bb47cf871006cd44a57",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-06-28T22:06:44Z",
    "title_canon_sha256": "c609c2e441cb0452489ffeda9cb76b3ef74d88e3562e03b8d944d1f39a1021b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08458",
    "kind": "arxiv",
    "version": 3
  }
}