Pith Number

pith:SMBFUNO2

pith:2014:SMBFUNO2R452RZ6SUVE5DOZ6TV

not attested not anchored not stored refs pending

Measurement-device-independent quantum key distribution over 200 km

Dong-Xu Yang, Hao Liang, Hua-Lei Yin, Jian Wang, Jian-Wei Pan, Jian-Yu Guan, Li-Xing You, Lu Zhang, Nan Zhou, Qiang Zhang, Si-Jing Chen, Teng-Yun Chen, Wei-Jun Zhang, Xiao Jiang, Xiongfeng Ma, Yang Liu, Yan-Lin Tang, Zhen Wang, Zhen Zhang

arxiv:1407.8012 v1 · 2014-07-30 · 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{SMBFUNO2R452RZ6SUVE5DOZ6TV}

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	2026-05-18T01:42:28.393218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93025a35da8f3ba8e7d2a549d1bb3e9d7a345c0d307125c239cde10bd1801235

Aliases

arxiv: 1407.8012 · arxiv_version: 1407.8012v1 · doi: 10.48550/arxiv.1407.8012 · pith_short_12: SMBFUNO2R452 · pith_short_16: SMBFUNO2R452RZ6S · pith_short_8: SMBFUNO2

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/SMBFUNO2R452RZ6SUVE5DOZ6TV \
  | 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: 93025a35da8f3ba8e7d2a549d1bb3e9d7a345c0d307125c239cde10bd1801235

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1173ac83abc38e5eb6c5ecad674fc76d9e7d050a66017015784b4cccd41b636f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-07-30T12:02:19Z",
    "title_canon_sha256": "40db8999df6c89598765d61a5a1018c1159ede889ec0d721c126984e0df74d52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8012",
    "kind": "arxiv",
    "version": 1
  }
}