Pith Number

pith:BW232AM3

pith:2003:BW232AM3PZWHO722I2M44FUJQX

not attested not anchored not stored refs pending

An Electron-Nucleon Double Spin Solid-State Quantum Computer

Gui Lu Long, Hao-Ming Chen, Ying-Jun Ma

arxiv:quant-ph/0307054 v1 · 2003-07-08 · 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{BW232AM3PZWHO722I2M44FUJQX}

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	2026-05-18T01:05:03.929133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0db5bd019b7e6c777f5a4699ce168985d4f1d16112c3395866238523468607b4

Aliases

arxiv: quant-ph/0307054 · arxiv_version: quant-ph/0307054v1 · doi: 10.48550/arxiv.quant-ph/0307054 · pith_short_12: BW232AM3PZWH · pith_short_16: BW232AM3PZWHO722 · pith_short_8: BW232AM3

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/BW232AM3PZWHO722I2M44FUJQX \
  | 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: 0db5bd019b7e6c777f5a4699ce168985d4f1d16112c3395866238523468607b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "500e38dd5114dc9398c5aea9b65a1772b37551709fe960c279436a6215b1cd69",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-07-08T09:30:40Z",
    "title_canon_sha256": "0e8d4eea4d531db89416be3d573ac36e7065cca18ceb1e9e6f994e7f5f2e9cfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0307054",
    "kind": "arxiv",
    "version": 1
  }
}