Pith Number

pith:KIK6RLS6

pith:2021:KIK6RLS6J56BKNHQACSA4HTNUE

not attested not anchored not stored refs pending

Implementation of a 46-node quantum metropolitan area network

Cheng-Zhi Peng, Hao Liang, Hong-Fei Zhang, Hongyi Zhou, Jian Wang, Jian-Wei Pan, Ke Cui, Lei Zhou, Li Li, Liu-Jun Wang, Luo-Kan Chen, Nai-Le Liu, Qiang Zhang, Qing Chen, Shi-Biao Tang, Si-Bo Feng, Teng-Yun Chen, Wei-Yue Liu, Xiao-Gang Li, Xiao Jiang, Xiao Yuan, Xiongfeng Ma, Yang Liu, Yingqiu Mao, Yong Zhao

arxiv:2109.04736 v1 · 2021-09-10 · 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{KIK6RLS6J56BKNHQACSA4HTNUE}

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	2026-07-05T03:13:09.645020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5215e8ae5e4f7c1534f000a40e1e6da137e618d304090b000a7617455b68c80b

Aliases

arxiv: 2109.04736 · arxiv_version: 2109.04736v1 · doi: 10.48550/arxiv.2109.04736 · pith_short_12: KIK6RLS6J56B · pith_short_16: KIK6RLS6J56BKNHQ · pith_short_8: KIK6RLS6

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/KIK6RLS6J56BKNHQACSA4HTNUE \
  | 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: 5215e8ae5e4f7c1534f000a40e1e6da137e618d304090b000a7617455b68c80b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7df619b5ac56653a7610c3bb9f4b05e27049f9a656e05d077bfdadca33fec324",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-09-10T08:32:58Z",
    "title_canon_sha256": "81976762f7d10b8df0c7905fff753ff13e3de493352e05d1131e9169c277e0c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.04736",
    "kind": "arxiv",
    "version": 1
  }
}