Pith Number

pith:MW6QAWLU

pith:2007:MW6QAWLUCBZC43IYQPBIYETSLX

not attested not anchored not stored refs pending

SLOCC invariant and semi-invariants for SLOCC classification of four-qubits

D. Li, H. Huang, X. Li

arxiv:quant-ph/0701032 v2 · 2007-01-08 · 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{MW6QAWLUCBZC43IYQPBIYETSLX}

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	2026-05-18T03:56:10.922520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65bd00597410722e6d1883c28c12725dfbd62a247984cbf0be555d381e8eb055

Aliases

arxiv: quant-ph/0701032 · arxiv_version: quant-ph/0701032v2 · doi: 10.48550/arxiv.quant-ph/0701032 · pith_short_12: MW6QAWLUCBZC · pith_short_16: MW6QAWLUCBZC43IY · pith_short_8: MW6QAWLU

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/MW6QAWLUCBZC43IYQPBIYETSLX \
  | 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: 65bd00597410722e6d1883c28c12725dfbd62a247984cbf0be555d381e8eb055

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d00e0d1a8d38a4a993327ad41e7933796154a46d61eed0e4442505db38ff99a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-01-08T03:44:50Z",
    "title_canon_sha256": "017552082981e05fcee3738e5b5c2de28d3e84c6bd4037bc6f085f7186a6a3b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0701032",
    "kind": "arxiv",
    "version": 2
  }
}