Pith Number

pith:UBQJLEYE

pith:2019:UBQJLEYESTVBBYQOUMPMCNRGAW

not attested not anchored not stored refs pending

Performance of Underwater Quantum Key Distribution with Polarization Encoding

Shi-Cheng Zhao, Wen-Dong Li, Xin-Hong Han, Ya Xiao, Yong-Jian Gu, Yuan Shen

arxiv:1903.01218 v3 · 2019-03-04 · 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{UBQJLEYESTVBBYQOUMPMCNRGAW}

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	2026-05-17T23:45:29.434556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a06095930494ea10e20ea31ec13626059dbf6d4c4f278e93f23ba5a149a984a5

Aliases

arxiv: 1903.01218 · arxiv_version: 1903.01218v3 · doi: 10.48550/arxiv.1903.01218 · pith_short_12: UBQJLEYESTVB · pith_short_16: UBQJLEYESTVBBYQO · pith_short_8: UBQJLEYE

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/UBQJLEYESTVBBYQOUMPMCNRGAW \
  | 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: a06095930494ea10e20ea31ec13626059dbf6d4c4f278e93f23ba5a149a984a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "482fa16c41507589075d6529197e77a4be55c7c00ce1ab4151fd1dd23ddd5a8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-03-04T13:17:38Z",
    "title_canon_sha256": "0dc74fb73ddccafd0882933c3641ba3b2b348c539a30432d7715a6acd6fd78c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01218",
    "kind": "arxiv",
    "version": 3
  }
}