Pith Number

pith:5TZVDRCW

pith:2019:5TZVDRCWDMX6QG5U56ZCENMW4V

not attested not anchored not stored refs pending

Energy-Time Entanglement-based Dispersive Optics Quantum Key Distribution over Optical Fibers of 20 km

Hao Li, Heqing Wang, Lixing You, Wei Zhang, Xin Yao, Xu Liu, Yidong Huang, Zhen Wang

arxiv:1901.06662 v1 · 2019-01-20 · 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{5TZVDRCWDMX6QG5U56ZCENMW4V}

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	2026-05-17T23:47:35.825764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecf351c4561b2fe81bb4efb2223596e57ae351f70c7ce73f3ba04dd3e9cbb833

Aliases

arxiv: 1901.06662 · arxiv_version: 1901.06662v1 · doi: 10.48550/arxiv.1901.06662 · pith_short_12: 5TZVDRCWDMX6 · pith_short_16: 5TZVDRCWDMX6QG5U · pith_short_8: 5TZVDRCW

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/5TZVDRCWDMX6QG5U56ZCENMW4V \
  | 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: ecf351c4561b2fe81bb4efb2223596e57ae351f70c7ce73f3ba04dd3e9cbb833

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5a25789ca0094314b0db7eb3b143b4d521c78240e112684f553a586483fe341",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-01-20T11:46:30Z",
    "title_canon_sha256": "7db0ecde3e32a78b9aaeaaed4d7e8c7052ba3daaae6d77e0c5e848c2283c8318"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06662",
    "kind": "arxiv",
    "version": 1
  }
}