Pith Number

pith:ALZ42C2K

pith:2006:ALZ42C2KTBCLXBFVTBO5JQYNHH

not attested not anchored not stored refs pending

Classification of GHZ-type, W-type and GHZ-W-type multiqubit entanglements

Lin Chen, Yi-Xin Chen

arxiv:quant-ph/0605196 v1 · 2006-05-23 · 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{ALZ42C2KTBCLXBFVTBO5JQYNHH}

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	2026-07-04T17:03:01.299373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02f3cd0b4a9844bb84b5985dd4c30d39f7cf39a3f7d2c02a8ca5814dd89fad31

Aliases

arxiv: quant-ph/0605196 · arxiv_version: quant-ph/0605196v1 · doi: 10.48550/arxiv.quant-ph/0605196 · pith_short_12: ALZ42C2KTBCL · pith_short_16: ALZ42C2KTBCLXBFV · pith_short_8: ALZ42C2K

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/ALZ42C2KTBCLXBFVTBO5JQYNHH \
  | 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: 02f3cd0b4a9844bb84b5985dd4c30d39f7cf39a3f7d2c02a8ca5814dd89fad31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceb99ec057a5196bfb8c1e17081e3c1ed7f0bf7914d266e454673d194abc3bfb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-05-23T06:13:30Z",
    "title_canon_sha256": "5137b74600ece085085614b8b9cb4336232463170c7bfee1a192646cf940ebf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0605196",
    "kind": "arxiv",
    "version": 1
  }
}