Pith Number

pith:3PJY3JPJ

pith:1998:3PJY3JPJ3E7WZ3DPJWEP4PMMY5

not attested not anchored not stored refs pending

Realizing the quantum baker's map on an NMR quantum computer

London), Ruediger Schack (Royal Holloway College, Todd A. Brun (ITP, UCSB)

arxiv:quant-ph/9807050 v2 · 1998-07-18 · 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{3PJY3JPJ3E7WZ3DPJWEP4PMMY5}

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	2026-05-18T04:15:48.282921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbd38da5e9d93f6cec6f4d88fe3d8cc7745458f1559211810dfaefaaa1d03655

Aliases

arxiv: quant-ph/9807050 · arxiv_version: quant-ph/9807050v2 · doi: 10.48550/arxiv.quant-ph/9807050 · pith_short_12: 3PJY3JPJ3E7W · pith_short_16: 3PJY3JPJ3E7WZ3DP · pith_short_8: 3PJY3JPJ

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/3PJY3JPJ3E7WZ3DPJWEP4PMMY5 \
  | 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: dbd38da5e9d93f6cec6f4d88fe3d8cc7745458f1559211810dfaefaaa1d03655

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5604aadb9eb5c9944519622c7f0c4961ba6b5bb49b5f031a55275109589fcc46",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1998-07-18T00:17:04Z",
    "title_canon_sha256": "d2ced9284eb766212e38f47aef953c124bd5be2e6002ad7f3091279bb77ff180"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9807050",
    "kind": "arxiv",
    "version": 2
  }
}