Pith Number

pith:34FTLJKU

pith:2023:34FTLJKUPTIH76IFHFTNHC5PY7

not attested not anchored not stored refs pending

One-Time Universal Hashing Quantum Digital Signatures without Perfect Keys

Bing-Hong Li, Chen-Long Li, Hua-Lei Yin, Xiao-Yu Cao, Yao Fu, Yuan-Mei Xie, Zeng-Bing Chen

arxiv:2301.01132 v4 · 2023-01-03 · quant-ph · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{34FTLJKUPTIH76IFHFTNHC5PY7}

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	2026-07-05T06:57:38.574792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df0b35a5547cd07ff9053966d38bafc7ce2745fb8c479139da7761db3b327a76

Aliases

arxiv: 2301.01132 · arxiv_version: 2301.01132v4 · doi: 10.48550/arxiv.2301.01132 · pith_short_12: 34FTLJKUPTIH · pith_short_16: 34FTLJKUPTIH76IF · pith_short_8: 34FTLJKU

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/34FTLJKUPTIH76IFHFTNHC5PY7 \
  | 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: df0b35a5547cd07ff9053966d38bafc7ce2745fb8c479139da7761db3b327a76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46717f3c848f903f4b59716ebb6f325abdbadd07ce1b1e27c78e348f6fbe9ead",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-01-03T14:54:27Z",
    "title_canon_sha256": "873171ba7d82b76c418b9b4dba5181696593d0b3b324526c9149d91616a8ef70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.01132",
    "kind": "arxiv",
    "version": 4
  }
}