Pith Number

pith:VABW5MPJ

pith:2013:VABW5MPJGTEQBMGO5VPXHN7STQ

not attested not anchored not stored refs pending

Measurement-device-independent quantum key distribution with uncharacterized qubit sources

Chi-Hang Fred Fung, Chun-Mei Zhang, Guang-Can Guo, Hong-Wei Li, Shuang Wang, Wei Chen, Xiongfeng Ma, Zheng-Fu Han, Zhen-Qiang Yin

arxiv:1309.3819 v2 · 2013-09-16 · 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{VABW5MPJGTEQBMGO5VPXHN7STQ}

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	2026-05-18T03:04:06.322421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8036eb1e934c900b0ceed5f73b7f29c158dac659b7464318170874edb4c560e

Aliases

arxiv: 1309.3819 · arxiv_version: 1309.3819v2 · doi: 10.48550/arxiv.1309.3819 · pith_short_12: VABW5MPJGTEQ · pith_short_16: VABW5MPJGTEQBMGO · pith_short_8: VABW5MPJ

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/VABW5MPJGTEQBMGO5VPXHN7STQ \
  | 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: a8036eb1e934c900b0ceed5f73b7f29c158dac659b7464318170874edb4c560e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c633f4ea00edfb44c17b7cf899643d05dae5d97e14c4c48dcb55b4924b9c978",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-09-16T03:08:48Z",
    "title_canon_sha256": "5020a24558685778703caa066c6d13afde6a6aa469fe17ce45cc38e16434c657"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3819",
    "kind": "arxiv",
    "version": 2
  }
}