Pith Number

pith:M2FOFEBN

pith:2009:M2FOFEBN3KP3VHZQAQIPWCJEMH

not attested not anchored not stored refs pending

Operational Families of Entanglement Classes for Symmetric $N$-Qubit States

E. Solano, L. Lamata, M. Godefroid, P. Mathonet, S. Krins, T. Bastin

arxiv:0902.3230 v3 · 2009-02-18 · 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{M2FOFEBN3KP3VHZQAQIPWCJEMH}

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	2026-05-18T02:14:47.051483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

668ae2902dda9fba9f300410fb092461d501d14171c1fca164db13ed55f78ada

Aliases

arxiv: 0902.3230 · arxiv_version: 0902.3230v3 · doi: 10.48550/arxiv.0902.3230 · pith_short_12: M2FOFEBN3KP3 · pith_short_16: M2FOFEBN3KP3VHZQ · pith_short_8: M2FOFEBN

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/M2FOFEBN3KP3VHZQAQIPWCJEMH \
  | 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: 668ae2902dda9fba9f300410fb092461d501d14171c1fca164db13ed55f78ada

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d372b182d1c9b648cda92095f3ee1b94a29260b7133f02610a74f4a466447ae1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-02-18T20:20:44Z",
    "title_canon_sha256": "23e898ab880199f381618e03ea5c9f49c394259b0bf4b8feb2979d8e48b35766"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.3230",
    "kind": "arxiv",
    "version": 3
  }
}