Pith Number

pith:QSVZWAGX

pith:2015:QSVZWAGXCDPCX7KCAGSHHW2YLT

not attested not anchored not stored refs pending

Entanglement classification with matrix product states

E. Solano, H. Saberi, I. L. Egusquiza, L. Lamata, M. Sanz, R. Di Candia

arxiv:1504.07524 v2 · 2015-04-28 · 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{QSVZWAGXCDPCX7KCAGSHHW2YLT}

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	2026-05-18T00:52:58.993849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84ab9b00d710de2bfd4201a473db585cd0b893353ef2b708b085d922729b80a8

Aliases

arxiv: 1504.07524 · arxiv_version: 1504.07524v2 · doi: 10.48550/arxiv.1504.07524 · pith_short_12: QSVZWAGXCDPC · pith_short_16: QSVZWAGXCDPCX7KC · pith_short_8: QSVZWAGX

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/QSVZWAGXCDPCX7KCAGSHHW2YLT \
  | 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: 84ab9b00d710de2bfd4201a473db585cd0b893353ef2b708b085d922729b80a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd8ddfd46f6dd703648635fe3cd0261b65a9d2266e0fbc4dd3ccea4da3facbf5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-28T15:16:53Z",
    "title_canon_sha256": "1f71a1e7d7490b764fea13e3fbeb961fc083dd2e22307dc643a5d58840148b51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07524",
    "kind": "arxiv",
    "version": 2
  }
}