Pith Number

pith:47IBW4WP

pith:2019:47IBW4WP6GTZLFIVCEKFHBQJTR

not attested not anchored not stored refs pending

Experimental 4-intensity decoy-state quantum key distribution with asymmetric basis detector efficiency

Hui Liu, Jian-Wei Pan, Jun Zhang, Mi Zou, Teng-Yun Chen, Xiang-Bin Wang, Yan-Lin Tang, Yong Zhao, Zong-Wen Yu

arxiv:1905.09685 v1 · 2019-05-23 · 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{47IBW4WP6GTZLFIVCEKFHBQJTR}

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	2026-07-05T00:13:47.041393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7d01b72cff1a795951511145386099c5af4032c1419e6521a140d69b1465423

Aliases

arxiv: 1905.09685 · arxiv_version: 1905.09685v1 · doi: 10.48550/arxiv.1905.09685 · pith_short_12: 47IBW4WP6GTZ · pith_short_16: 47IBW4WP6GTZLFIV · pith_short_8: 47IBW4WP

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/47IBW4WP6GTZLFIVCEKFHBQJTR \
  | 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: e7d01b72cff1a795951511145386099c5af4032c1419e6521a140d69b1465423

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "060a374ac336de848f84bce66cfea7db7c39a4d904d3d83778e0c4dd33c95d79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-05-23T14:41:58Z",
    "title_canon_sha256": "3ee7bbffe0e2544afa9333987d2ac9126fdef4dd154aac7aae5832a97f121210"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09685",
    "kind": "arxiv",
    "version": 1
  }
}