Pith Number

pith:X4A7CLDR

pith:2012:X4A7CLDRAM7CLCP6OWOFXYMDA4

not attested not anchored not stored refs pending

Field test of the wavelength-saving quantum key distribution network

Da-Jun Huang, Dong Liu, Fang-Xing Xu, Fang-Yi Li, Guang-Can Guo, Hong-Wei Li, Li-Jun Zhang, Shuang Wang, Tao Zhang, Wei Chen, Yang Yang, Yang Zhang, Yong-Gang Wang, Zheng-Fu Han, Zheng Zhou, Zhen-Qiang Yin

arxiv:1203.4321 v1 · 2012-03-20 · 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{X4A7CLDRAM7CLCP6OWOFXYMDA4}

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	2026-05-18T03:59:39.365522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf01f12c71033e2589fe759c5be183071572e894c650eec06e421a9000ad76b8

Aliases

arxiv: 1203.4321 · arxiv_version: 1203.4321v1 · doi: 10.48550/arxiv.1203.4321 · pith_short_12: X4A7CLDRAM7C · pith_short_16: X4A7CLDRAM7CLCP6 · pith_short_8: X4A7CLDR

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/X4A7CLDRAM7CLCP6OWOFXYMDA4 \
  | 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: bf01f12c71033e2589fe759c5be183071572e894c650eec06e421a9000ad76b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c519bf08f11dd3f481d66f439af4f572fffa1d0f099de57b030e6fa72cdd5ae3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-03-20T06:09:40Z",
    "title_canon_sha256": "ce6d9a744d068033f4f35f5e79a5d683c7f7be3b8789851d56698c1c63c45bf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4321",
    "kind": "arxiv",
    "version": 1
  }
}