Pith Number

pith:C4774G6Z

pith:2010:C4774G6ZC64N42DHXR4P4H6TTO

not attested not anchored not stored refs pending

Evolution equation of entanglement for multi-qubit systems

Michael Siomau, Stephan Fritzsche

arxiv:1011.5348 v1 · 2010-11-24 · 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{C4774G6ZC64N42DHXR4P4H6TTO}

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	2026-05-18T04:32:21.757441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

173ffe1bd917b8de6867bc78fe1fd39bb9b507affe36db58f43b01b2d978d519

Aliases

arxiv: 1011.5348 · arxiv_version: 1011.5348v1 · doi: 10.48550/arxiv.1011.5348 · pith_short_12: C4774G6ZC64N · pith_short_16: C4774G6ZC64N42DH · pith_short_8: C4774G6Z

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/C4774G6ZC64N42DHXR4P4H6TTO \
  | 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: 173ffe1bd917b8de6867bc78fe1fd39bb9b507affe36db58f43b01b2d978d519

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54e9cb875f521940ec164d0aa07a51f74e2e111d2b78c37d00b0ff0058f5ceac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-11-24T11:44:12Z",
    "title_canon_sha256": "ae85b5edbc411addab78900f88f9939b107cc75294a543a7758d7200e7ab64ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.5348",
    "kind": "arxiv",
    "version": 1
  }
}