Pith Number

pith:MQAHEJUS

pith:2002:MQAHEJUSBR5WPCYVTHMZKKABNN

not attested not anchored not stored refs pending

Optimal Control of One-Qubit Gates

F. Torres-Ardila, G. Useche-Laverde, K.M. Fonseca-Romero

arxiv:quant-ph/0203100 v1 · 2002-03-20 · 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{MQAHEJUSBR5WPCYVTHMZKKABNN}

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	2026-05-18T04:02:01.255496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64007226920c7b678b1599d99528016b49af8e365a0d6d4d21a8b03695adec76

Aliases

arxiv: quant-ph/0203100 · arxiv_version: quant-ph/0203100v1 · doi: 10.48550/arxiv.quant-ph/0203100 · pith_short_12: MQAHEJUSBR5W · pith_short_16: MQAHEJUSBR5WPCYV · pith_short_8: MQAHEJUS

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/MQAHEJUSBR5WPCYVTHMZKKABNN \
  | 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: 64007226920c7b678b1599d99528016b49af8e365a0d6d4d21a8b03695adec76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5de54ba07ef8234d33b686384b1edc2b3cd85347119924a65448c79cd0fc8a38",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-03-20T14:14:14Z",
    "title_canon_sha256": "0dd5164add5016a411434003e386550d57e78c52b196052c504d0b69012b768d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0203100",
    "kind": "arxiv",
    "version": 1
  }
}