Pith Number

pith:UDVVMALJ

pith:2013:UDVVMALJM57Q2ANP6EQDSSW6LW

not attested not anchored not stored refs pending

A real-time QKD system based on FPGA

Chun-li Luo, Hao Liang, Hong-Fei Zhang, Jian Wang (IEEE member), Jian-Wei Pan, Kai Chen, Ke Cui, Lei Zhou, Sheng-zhao Lin, Teng-Yun Chen

arxiv:1301.2383 v1 · 2013-01-11 · quant-ph · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDVVMALJM57Q2ANP6EQDSSW6LW}

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	2026-05-18T00:57:56.642915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0eb560169677f0d01aff120394ade5d966eccaa988e1fab8a88fd4a53117ea3

Aliases

arxiv: 1301.2383 · arxiv_version: 1301.2383v1 · doi: 10.48550/arxiv.1301.2383 · pith_short_12: UDVVMALJM57Q · pith_short_16: UDVVMALJM57Q2ANP · pith_short_8: UDVVMALJ

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/UDVVMALJM57Q2ANP6EQDSSW6LW \
  | 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: a0eb560169677f0d01aff120394ade5d966eccaa988e1fab8a88fd4a53117ea3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2f8034a3cce1abb4c4d5ba81fb9956789407eae0496b9cf080a444985fd39b8",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-01-11T02:51:24Z",
    "title_canon_sha256": "dc9cf93f2d04c57f0d5e3bcd401ca879a6a5f9853731a22414fb170a80724bd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2383",
    "kind": "arxiv",
    "version": 1
  }
}