Pith Number

pith:X446R7QE

pith:2011:X446R7QEVRIZENA5PGQA3LGJJ7

not attested not anchored not stored refs pending

Dense Wavelength Division Multiplexed Quantum Key Distribution Using Entangled Photons

Dirk Englund, F.N.C. Wong, Jacob Mower, Jeff H. Shapiro

arxiv:1110.4867 v1 · 2011-10-21 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X446R7QEVRIZENA5PGQA3LGJJ7}

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.

Cited by

1 paper in Pith

Flexible Cloud/User-Centric Entanglement and Photon Pair Distribution with Synthesizable Optical Router

Receipt and verification

First computed	2026-05-18T04:10:34.843464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf39e8fe04ac5192341d79a00dacc94fc7a416108fef3f4ea78133e5dabbba72

Aliases

arxiv: 1110.4867 · arxiv_version: 1110.4867v1 · doi: 10.48550/arxiv.1110.4867 · pith_short_12: X446R7QEVRIZ · pith_short_16: X446R7QEVRIZENA5 · pith_short_8: X446R7QE

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/X446R7QEVRIZENA5PGQA3LGJJ7 \
  | 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: bf39e8fe04ac5192341d79a00dacc94fc7a416108fef3f4ea78133e5dabbba72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0936a4a027077e1bf42e9954aa4f2c0af40fa875a45092fbfc50c2b7790d574c",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-10-21T18:50:39Z",
    "title_canon_sha256": "e98c73b369cca6a13a4ebbe346501ca4f10e3f9aff717b60a0857d24641d2894"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4867",
    "kind": "arxiv",
    "version": 1
  }
}