Pith Number

pith:5IJ64RRZ

pith:2007:5IJ64RRZTJC7K6YCUO3JW46UVG

not attested not anchored not stored refs pending

Universal quantum computation in decoherence-free subspaces with hot trapped-ions

Hartmut H\"affner, Kihwan Kim, Leandro Aolita, Luiz Davidovich

arxiv:0706.0203 v1 · 2007-06-01 · 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{5IJ64RRZTJC7K6YCUO3JW46UVG}

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	2026-05-18T01:09:24.625967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea13ee46399a45f57b02a3b69b73d4a98e3d0cab931baf1de291b50e9cae85cd

Aliases

arxiv: 0706.0203 · arxiv_version: 0706.0203v1 · doi: 10.48550/arxiv.0706.0203 · pith_short_12: 5IJ64RRZTJC7 · pith_short_16: 5IJ64RRZTJC7K6YC · pith_short_8: 5IJ64RRZ

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/5IJ64RRZTJC7K6YCUO3JW46UVG \
  | 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: ea13ee46399a45f57b02a3b69b73d4a98e3d0cab931baf1de291b50e9cae85cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cd24d4850b9b2dac77898de90a700011c009d1a81339d9e28be8219ea319917",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-06-01T19:32:16Z",
    "title_canon_sha256": "3141e53aa53c05ba0c0972ea76e84c291c38be7f65d34cb95d59ad0b4912ede1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.0203",
    "kind": "arxiv",
    "version": 1
  }
}