Pith Number

pith:O2RI4LP4

pith:2005:O2RI4LP4TOUFAELZT7CJFUGJCC

not attested not anchored not stored refs pending

Maximally entangled mixed states of two atoms trapped inside an optical cavity

Jing-Bo Xu, Shang-Bin Li

arxiv:quant-ph/0507072 v4 · 2005-07-07 · 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{O2RI4LP4TOUFAELZT7CJFUGJCC}

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	2026-05-18T01:37:57.675362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76a28e2dfc9ba85011799fc492d0c91098c314d30a8bb87471c1e7557a264ed6

Aliases

arxiv: quant-ph/0507072 · arxiv_version: quant-ph/0507072v4 · doi: 10.48550/arxiv.quant-ph/0507072 · pith_short_12: O2RI4LP4TOUF · pith_short_16: O2RI4LP4TOUFAELZ · pith_short_8: O2RI4LP4

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/O2RI4LP4TOUFAELZT7CJFUGJCC \
  | 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: 76a28e2dfc9ba85011799fc492d0c91098c314d30a8bb87471c1e7557a264ed6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60737bcc6d1caf063cb8278fa63cec80701a897831cfca25aec1a46b789193da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-07-07T11:27:48Z",
    "title_canon_sha256": "87f5d8a76ba49d5bb29dd69ec7196803209b9fe3576b128edf5dc4fb8f3746fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0507072",
    "kind": "arxiv",
    "version": 4
  }
}