Pith Number

pith:KW5J3IBO

pith:2009:KW5J3IBOBHHI4FJGMFC74VCU44

not attested not anchored not stored refs pending

Advances in delimiting the Hilbert-Schmidt separability probability of real two-qubit systems

Paul B. Slater

arxiv:0912.0922 v2 · 2009-12-04 · 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{KW5J3IBOBHHI4FJGMFC74VCU44}

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	2026-05-18T02:10:26.390012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55ba9da02e09ce8e15266145fe5454e71e32f444848657a7face24d0447b4a71

Aliases

arxiv: 0912.0922 · arxiv_version: 0912.0922v2 · doi: 10.48550/arxiv.0912.0922 · pith_short_12: KW5J3IBOBHHI · pith_short_16: KW5J3IBOBHHI4FJG · pith_short_8: KW5J3IBO

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/KW5J3IBOBHHI4FJGMFC74VCU44 \
  | 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: 55ba9da02e09ce8e15266145fe5454e71e32f444848657a7face24d0447b4a71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e732dd3ef79a0bd00d1f40d1d9800ff5d0c0412ca4248757b130df76d74c10b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-12-04T19:43:32Z",
    "title_canon_sha256": "52eb9782cfd27cafa8c19ee5ff45bb2846f004c120dd5aa5549b31e7619cc367"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0922",
    "kind": "arxiv",
    "version": 2
  }
}