Pith Number

pith:4IL5JBHY

pith:2008:4IL5JBHYQ4ZUPYRYUX2VJFGDPO

not attested not anchored not stored refs pending

When are quantum systems operationally independent?

Miklos Redei, Stephen J. Summers

arxiv:0810.5294 v2 · 2008-10-29 · quant-ph · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4IL5JBHYQ4ZUPYRYUX2VJFGDPO}

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	2026-05-18T04:36:50.465585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e217d484f8873347e238a5f55494c37b9d471a3939d714842944c7286733eb19

Aliases

arxiv: 0810.5294 · arxiv_version: 0810.5294v2 · doi: 10.48550/arxiv.0810.5294 · pith_short_12: 4IL5JBHYQ4ZU · pith_short_16: 4IL5JBHYQ4ZUPYRY · pith_short_8: 4IL5JBHY

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/4IL5JBHYQ4ZUPYRYUX2VJFGDPO \
  | 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: e217d484f8873347e238a5f55494c37b9d471a3939d714842944c7286733eb19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a50f21d9d7e6554687f105436789c8cf20e327e3676f723e6180a3b383994fd",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-10-29T14:49:42Z",
    "title_canon_sha256": "5d24c7b0a047d098a2f014195f3f3d0615ad44587a4c073c6d0dac46d8b24332"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.5294",
    "kind": "arxiv",
    "version": 2
  }
}