Pith Number

pith:LZ5WCDIX

pith:2013:LZ5WCDIXEYFQGW7KOCFQWBDBY3

not attested not anchored not stored refs pending

On the existence of quantum signature for quantum messages

Chunhui Wu, Qin Li, Wai Hong Chan, Zhonghua Wen

arxiv:1302.4528 v2 · 2013-02-19 · 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{LZ5WCDIXEYFQGW7KOCFQWBDBY3}

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	2026-05-18T01:51:35.418086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e7b610d17260b035bea708b0b0461c6e1a26cdd9651d543eeb5ad8897b70b4f

Aliases

arxiv: 1302.4528 · arxiv_version: 1302.4528v2 · doi: 10.48550/arxiv.1302.4528 · pith_short_12: LZ5WCDIXEYFQ · pith_short_16: LZ5WCDIXEYFQGW7K · pith_short_8: LZ5WCDIX

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/LZ5WCDIXEYFQGW7KOCFQWBDBY3 \
  | 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: 5e7b610d17260b035bea708b0b0461c6e1a26cdd9651d543eeb5ad8897b70b4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e9857a98a9aaea4e5b47b74671e192cce66c311200a1b3648be8c32c569afe4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-02-19T06:55:06Z",
    "title_canon_sha256": "498ff45ffdfd83338424ff4c21d021faab4f1b2caef7ccb9550904b7f8b19714"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4528",
    "kind": "arxiv",
    "version": 2
  }
}