Pith Number

pith:CXP7VOO5

pith:2021:CXP7VOO5KV6GHPAJYU565JHKAK

not attested not anchored not stored refs pending

Security analysis method for practical quantum key distribution with arbitrary encoding schemes

Fumin Wang, Pei Zhang, Rongqian Wu, Xiaofei Liu, Xiaoli Wang, Yi Lv, Zehong Chang

arxiv:2109.04758 v1 · 2021-09-10 · quant-ph · cs.CR · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CXP7VOO5KV6GHPAJYU565JHKAK}

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	2026-07-05T03:13:09.799133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15dffab9dd557c63bc09c53beea4ea02b27a2393c9cab21e756a44337424a993

Aliases

arxiv: 2109.04758 · arxiv_version: 2109.04758v1 · doi: 10.48550/arxiv.2109.04758 · pith_short_12: CXP7VOO5KV6G · pith_short_16: CXP7VOO5KV6GHPAJ · pith_short_8: CXP7VOO5

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/CXP7VOO5KV6GHPAJYU565JHKAK \
  | 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: 15dffab9dd557c63bc09c53beea4ea02b27a2393c9cab21e756a44337424a993

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3814f07942778559b2cb87070882ffdfd82d6e11c1cb3ff251676ea9a7c8abf0",
    "cross_cats_sorted": [
      "cs.CR",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-09-10T09:53:33Z",
    "title_canon_sha256": "a07a67af6298919112037fe2049a52fc9b5f8a0417f98eb1c7bab1a255ea6867"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.04758",
    "kind": "arxiv",
    "version": 1
  }
}