Pith Number

pith:EZZMLEU4

pith:2005:EZZMLEU4LOS3TPUCP5PXUWPF4T

not attested not anchored not stored refs pending

Quantum signature scheme with single photons

Chao-jing Tang, Jian Wang, Quan Zhang

arxiv:quant-ph/0511224 v1 · 2005-11-23 · 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{EZZMLEU4LOS3TPUCP5PXUWPF4T}

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	2026-05-18T04:28:21.990770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2672c5929c5ba5b9be827f5f7a59e5e4f1353cbb6be2791eb51a3c246b37d8b5

Aliases

arxiv: quant-ph/0511224 · arxiv_version: quant-ph/0511224v1 · doi: 10.48550/arxiv.quant-ph/0511224 · pith_short_12: EZZMLEU4LOS3 · pith_short_16: EZZMLEU4LOS3TPUC · pith_short_8: EZZMLEU4

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/EZZMLEU4LOS3TPUCP5PXUWPF4T \
  | 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: 2672c5929c5ba5b9be827f5f7a59e5e4f1353cbb6be2791eb51a3c246b37d8b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3327bc2d19a4e85364688dbd408604d58696f8c3013f75d650115e423489f4d9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-11-23T15:39:07Z",
    "title_canon_sha256": "720b9f8cf413ba05b2b786794f96878526040976f83cf23fd120af4ff688adbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0511224",
    "kind": "arxiv",
    "version": 1
  }
}