Pith Number

pith:765W3P3W

pith:2019:765W3P3WBOOESZDHHVNSNV5HDK

not attested not anchored not stored refs pending

Experimental investigation of quantum key distribution over water channel

Hao Zeng, Maoqi Cai, Shicheng Zhao, Shuo Wang, Tian Qian, Wendong Li, XinHong Han, Ya Xiao, YongHe Yu, YongJian Gu, Yuan Shen, Zhaoming Wang

arxiv:1903.01171 v2 · 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{765W3P3WBOOESZDHHVNSNV5HDK}

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	2026-05-17T23:45:29.443271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffbb6dbf760b9c4964673d5b26d7a71a9ea04f98f05e33ddbbdaa66af1cd0426

Aliases

arxiv: 1903.01171 · arxiv_version: 1903.01171v2 · doi: 10.48550/arxiv.1903.01171 · pith_short_12: 765W3P3WBOOE · pith_short_16: 765W3P3WBOOESZDH · pith_short_8: 765W3P3W

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/765W3P3WBOOESZDHHVNSNV5HDK \
  | 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: ffbb6dbf760b9c4964673d5b26d7a71a9ea04f98f05e33ddbbdaa66af1cd0426

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "190514260346738a08e6ac3650c4eaef300a1b9aad8daeb0e44cbd50d0d39376",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-03-04T11:07:56Z",
    "title_canon_sha256": "5bcf6b42d45a4579c9f3b9a0deeff699cce0dec1e45dd082ab8f063b5e7df1cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01171",
    "kind": "arxiv",
    "version": 2
  }
}