Pith Number

pith:O4MPBIZN

pith:2006:O4MPBIZNOZGSKVVA4FO3OU3NH2

not attested not anchored not stored refs pending

Security of quantum key distribution protocols using two-way classical communication or weak coherent pulses

Barbara Kraus, Cyril Branciard, Renato Renner

arxiv:quant-ph/0610151 v1 · 2006-10-18 · 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{O4MPBIZNOZGSKVVA4FO3OU3NH2}

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	2026-05-18T04:08:45.714980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7718f0a32d764d2556a0e15db7536d3e88affd1acec1344de8248a6ad7cf7ee7

Aliases

arxiv: quant-ph/0610151 · arxiv_version: quant-ph/0610151v1 · doi: 10.48550/arxiv.quant-ph/0610151 · pith_short_12: O4MPBIZNOZGS · pith_short_16: O4MPBIZNOZGSKVVA · pith_short_8: O4MPBIZN

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/O4MPBIZNOZGSKVVA4FO3OU3NH2 \
  | 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: 7718f0a32d764d2556a0e15db7536d3e88affd1acec1344de8248a6ad7cf7ee7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba5c70e4d3592ea1c3bf64a66b834b0a6b512842a8d23f22fbb9313d00b2a53a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-10-18T15:33:26Z",
    "title_canon_sha256": "77fa2b16d40071c6fe29a63d8113b2c3473a3bfb4e9f99654c7877480bb111f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0610151",
    "kind": "arxiv",
    "version": 1
  }
}