Pith Number

pith:V272JTP7

pith:2019:V272JTP7NASXEXZHB56FHTPFHP

not attested not anchored not stored refs pending

Cryptanalysis and improvement of Wu-Cai-Wu-Zhang's quantum private comparison protocol

Guang Ping He

arxiv:1908.09169 v2 · 2019-08-24 · 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{V272JTP7NASXEXZHB56FHTPFHP}

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	2026-07-05T06:33:38.288492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aebfa4cdff6825725f270f7c53cde53bed39adf55bd945208f4a947751750852

Aliases

arxiv: 1908.09169 · arxiv_version: 1908.09169v2 · doi: 10.48550/arxiv.1908.09169 · pith_short_12: V272JTP7NASX · pith_short_16: V272JTP7NASXEXZH · pith_short_8: V272JTP7

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/V272JTP7NASXEXZHB56FHTPFHP \
  | 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: aebfa4cdff6825725f270f7c53cde53bed39adf55bd945208f4a947751750852

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9c448f25717698c80c259969f023f5e9a6f9d8c4f65f8f1b85789bdef9a7773",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-08-24T17:05:30Z",
    "title_canon_sha256": "5e4a286d0148460263be90f54379e11f8bdb95b8da9a49ddd488881d66b5f2d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09169",
    "kind": "arxiv",
    "version": 2
  }
}