Pith Number

pith:4D6UDGKG

pith:2021:4D6UDGKGUIKKTDZRJ4454Q3F6I

not attested not anchored not stored refs pending

Experimental quantum secure network with digital signatures and encryption

Bing-Hong Li, Chen-Long Li, Chen-Xun Weng, Hua-Lei Yin, Jie Gu, Shan Huang, Yao Fu, Yu-Shuo Lu, Zeng-Bing Chen

arxiv:2107.14089 v4 · 2021-07-29 · 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{4D6UDGKGUIKKTDZRJ4454Q3F6I}

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	2026-07-05T06:08:50.681297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0fd419946a214a98f314f39de4365f21f15957821cc8695ba24917920f3ddb4

Aliases

arxiv: 2107.14089 · arxiv_version: 2107.14089v4 · doi: 10.48550/arxiv.2107.14089 · pith_short_12: 4D6UDGKGUIKK · pith_short_16: 4D6UDGKGUIKKTDZR · pith_short_8: 4D6UDGKG

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/4D6UDGKGUIKKTDZRJ4454Q3F6I \
  | 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: e0fd419946a214a98f314f39de4365f21f15957821cc8695ba24917920f3ddb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ce172c0244115f7256f84e5dbd41e76e63f5449fd4468b94be0a1469051d489",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-07-29T15:17:15Z",
    "title_canon_sha256": "41cfca99db4cc3a38ec895bc93ca5494781f96b844199a64f384d87a2049edd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.14089",
    "kind": "arxiv",
    "version": 4
  }
}