Pith Number

pith:QWNNO42C

pith:2026:QWNNO42CXBESMYRBCQS2VGKN6Q

not attested not anchored not stored refs pending

Ultra-Large-Capacity Passive Quantum Access Network Powered By Single Thermal Source

Guihua Zeng, Hanwen Yin, Peng Huang, Piao Tan, Qijun Zhang, Tao Wang, Xiaojuan Liao, Xufeng Liang, Yuehan Xu, Zidong Gao

arxiv:2605.20077 v1 · 2026-05-19 · 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{QWNNO42CXBESMYRBCQS2VGKN6Q}

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	2026-05-20T02:06:01.209513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

859ad77342b8492662211425aa994df43b9ec25edca607da7c259e223fc00cd7

Aliases

arxiv: 2605.20077 · arxiv_version: 2605.20077v1 · doi: 10.48550/arxiv.2605.20077 · pith_short_12: QWNNO42CXBES · pith_short_16: QWNNO42CXBESMYRB · pith_short_8: QWNNO42C

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/QWNNO42CXBESMYRBCQS2VGKN6Q \
  | 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: 859ad77342b8492662211425aa994df43b9ec25edca607da7c259e223fc00cd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebe154aebd8149a5899e1f437eda81b59ec2d476202d3e31c5d980cb870a2a3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-19T16:32:20Z",
    "title_canon_sha256": "5255a8553d974af562adc28be4f2217ebf9ad94148f0ac5d09a37044c3962832"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20077",
    "kind": "arxiv",
    "version": 1
  }
}