Pith Number

pith:UCNHLJA4

pith:2012:UCNHLJA4XLE2PNEWEZOVXXB2BO

not attested not anchored not stored refs pending

Detecting an Eavesdropper in QKD Without Public Bit Comparison

Simon J.D. Phoenix, Stephen M. Barnett

arxiv:1203.0633 v1 · 2012-03-03 · 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{UCNHLJA4XLE2PNEWEZOVXXB2BO}

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	2026-05-18T04:00:51.044553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a09a75a41cbac9a7b496265d5bdc3a0ba619457dab507c4515ece319b05eedd8

Aliases

arxiv: 1203.0633 · arxiv_version: 1203.0633v1 · doi: 10.48550/arxiv.1203.0633 · pith_short_12: UCNHLJA4XLE2 · pith_short_16: UCNHLJA4XLE2PNEW · pith_short_8: UCNHLJA4

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/UCNHLJA4XLE2PNEWEZOVXXB2BO \
  | 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: a09a75a41cbac9a7b496265d5bdc3a0ba619457dab507c4515ece319b05eedd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67a97ac254075fa69ffdcf74ff8dd0f010703c97ba9b8dfb3e7299c93418d54b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-03-03T09:22:55Z",
    "title_canon_sha256": "6a655e27fa68e51d55bdba5e9c6fb0ff2d3725dd2a9b592a8d6fb7feacdb72de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0633",
    "kind": "arxiv",
    "version": 1
  }
}