Pith Number

pith:OWCZPQRP

pith:2014:OWCZPQRPUW5RB5CVBXYI5VEGKH

not attested not anchored not stored refs pending

Entanglement Measures in Ion-Trap Quantum Simulators without Full Tomography

E. Solano, J. Casanova, J. S. Pedernales, M. Hennrich, P. Schindler, R. Di Candia, T. Monz

arxiv:1402.4409 v2 · 2014-02-18 · quant-ph · cond-mat.mes-hall · cond-mat.quant-gas · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OWCZPQRPUW5RB5CVBXYI5VEGKH}

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	2026-05-18T02:47:15.601132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

758597c22fa5bb10f4550df08ed48651fb7cf42fdab13e91d521cf13fcb45f45

Aliases

arxiv: 1402.4409 · arxiv_version: 1402.4409v2 · doi: 10.48550/arxiv.1402.4409 · pith_short_12: OWCZPQRPUW5R · pith_short_16: OWCZPQRPUW5RB5CV · pith_short_8: OWCZPQRP

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/OWCZPQRPUW5RB5CVBXYI5VEGKH \
  | 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: 758597c22fa5bb10f4550df08ed48651fb7cf42fdab13e91d521cf13fcb45f45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d47ceba1fa0b59baf18b33f1b0dc663f425dc039eb364d9384167259797f9fb",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.quant-gas",
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-02-18T17:27:21Z",
    "title_canon_sha256": "404e4f263296c5ad7ec0387145f013edd47df8cf444d4f26a46f36877b9bdda3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4409",
    "kind": "arxiv",
    "version": 2
  }
}