Pith Number

pith:LZTX45G5

pith:2002:LZTX45G5UBCKW4NRZYWVN5JICV

not attested not anchored not stored refs pending

Characterizing the entanglement of bipartite quantum systems

David Vitali, Paolo Tombesi, Stefano Mancini, Vittorio Giovannetti

arxiv:quant-ph/0210155 v3 · 2002-10-22 · 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{LZTX45G5UBCKW4NRZYWVN5JICV}

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	2026-07-04T16:36:11.810453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e677e74dda044ab71b1ce2d56f52815745de8df3845df7f63620d04380ee649

Aliases

arxiv: quant-ph/0210155 · arxiv_version: quant-ph/0210155v3 · doi: 10.48550/arxiv.quant-ph/0210155 · pith_short_12: LZTX45G5UBCK · pith_short_16: LZTX45G5UBCKW4NR · pith_short_8: LZTX45G5

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/LZTX45G5UBCKW4NRZYWVN5JICV \
  | 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: 5e677e74dda044ab71b1ce2d56f52815745de8df3845df7f63620d04380ee649

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af8e2ed1e0f17af46004fad0287a56150e419c3a7da71a30b61ca319576e0193",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-10-22T22:51:22Z",
    "title_canon_sha256": "eba69c619b729c1bdc92ef9d8cfb3ca48dfed2dfa929f6ac056a92a5e3caf8ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0210155",
    "kind": "arxiv",
    "version": 3
  }
}