Pith Number

pith:56FN3XYV

pith:2022:56FN3XYV62H7U6KAA6IDB2EC25

not attested not anchored not stored refs pending

SpinQ Triangulum: a commercial three-qubit desktop quantum computer

Bei Zeng, Bing Ren, Chenxing Chen, Guanru Feng, Guoxing Miao, Hongyang Zou, Jingen Xiang, Kaihong Ma, Sheng Yu, Shi-yao Hou, Wei Shi, Xin Rao, Zikai Sheng

arxiv:2202.02983 v1 · 2022-02-07 · 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{56FN3XYV62H7U6KAA6IDB2EC25}

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	2026-07-05T03:54:34.700159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef8adddf15f68ffa7940079030e882d779cda163d9a9b575530224266aab539b

Aliases

arxiv: 2202.02983 · arxiv_version: 2202.02983v1 · doi: 10.48550/arxiv.2202.02983 · pith_short_12: 56FN3XYV62H7 · pith_short_16: 56FN3XYV62H7U6KA · pith_short_8: 56FN3XYV

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/56FN3XYV62H7U6KAA6IDB2EC25 \
  | 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: ef8adddf15f68ffa7940079030e882d779cda163d9a9b575530224266aab539b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e22988e6caa1deab987a811b366e8fc46f906d88548875095f4763ad054dafe1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-02-07T07:37:04Z",
    "title_canon_sha256": "947f7c0fb7ca65feda244904f2de8dd4018098d8c6484e7815374f08d125af76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.02983",
    "kind": "arxiv",
    "version": 1
  }
}