Pith Number

pith:FYPKQOX4

pith:2008:FYPKQOX4AS7BPTROJJPRZPVBPN

not attested not anchored not stored refs pending

Detector decoy quantum key distribution

Marcos Curty, Norbert L\"utkenhaus, Tobias Moroder

arxiv:0811.0027 v1 · 2008-10-31 · 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{FYPKQOX4AS7BPTROJJPRZPVBPN}

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	2026-05-18T02:15:22.622997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e1ea83afc04be17ce2e4a5f1cbea17b70a4db3ee04cd68561356fde91172263

Aliases

arxiv: 0811.0027 · arxiv_version: 0811.0027v1 · doi: 10.48550/arxiv.0811.0027 · pith_short_12: FYPKQOX4AS7B · pith_short_16: FYPKQOX4AS7BPTRO · pith_short_8: FYPKQOX4

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/FYPKQOX4AS7BPTROJJPRZPVBPN \
  | 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: 2e1ea83afc04be17ce2e4a5f1cbea17b70a4db3ee04cd68561356fde91172263

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deceaaab505a1250ac315df0ebb3ca3f5cca504b8c7082a63dc4deae049ad3d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-10-31T22:29:45Z",
    "title_canon_sha256": "34c5300a7c678e9976b981c7edcc5af623e4b740002ae258de78a27355f08e7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.0027",
    "kind": "arxiv",
    "version": 1
  }
}