Pith Number

pith:INIPKNDF

pith:2003:INIPKNDFXCSJXYXR3PR7LPZ53H

not attested not anchored not stored refs pending

A quantum computer using a trapped-ion spin molecule and microwave radiation

D. Mc Hugh, J. Twamley

arxiv:quant-ph/0310015 v2 · 2003-10-02 · 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{INIPKNDFXCSJXYXR3PR7LPZ53H}

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	2026-05-18T03:24:20.153411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4350f53465b8a49be2f1dbe3f5bf3dd9e5d48ce960ae7884bb0bf7f430ae9665

Aliases

arxiv: quant-ph/0310015 · arxiv_version: quant-ph/0310015v2 · doi: 10.48550/arxiv.quant-ph/0310015 · pith_short_12: INIPKNDFXCSJ · pith_short_16: INIPKNDFXCSJXYXR · pith_short_8: INIPKNDF

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/INIPKNDFXCSJXYXR3PR7LPZ53H \
  | 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: 4350f53465b8a49be2f1dbe3f5bf3dd9e5d48ce960ae7884bb0bf7f430ae9665

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38c4cd39ba554804041939b17348cff2b5470e4adfcb92334a674944b9d3adcf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-10-02T18:12:01Z",
    "title_canon_sha256": "6209f370d2ed52296bc668b7022fea53ab993652303d28f2900005f72e8066b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0310015",
    "kind": "arxiv",
    "version": 2
  }
}