Pith Number

pith:G42LHIIP

pith:2025:G42LHIIPPO7ZKQ4MILBLWCWL62

not attested not anchored not stored refs pending

Programmable Quantum Matter: Heralding Large Cluster States in Driven Inhomogeneous Spin Ensembles

Dirk R. Englund, Louis Follet, Odiel Hooybergs, Pratyush Anand

arxiv:2509.02992 v1 · 2025-09-03 · quant-ph · cs.ET · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G42LHIIPPO7ZKQ4MILBLWCWL62}

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	2026-07-05T12:04:01.219794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3734b3a10f7bbf95438c42c2bb0acbf693ae2f40309e54a16a0f93e25b0753f1

Aliases

arxiv: 2509.02992 · arxiv_version: 2509.02992v1 · doi: 10.48550/arxiv.2509.02992 · pith_short_12: G42LHIIPPO7Z · pith_short_16: G42LHIIPPO7ZKQ4M · pith_short_8: G42LHIIP

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/G42LHIIPPO7ZKQ4MILBLWCWL62 \
  | 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: 3734b3a10f7bbf95438c42c2bb0acbf693ae2f40309e54a16a0f93e25b0753f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cee1a2f79507c82b0efb6dabdead40a9003a3ce980304fcf8a8bf24372b7dce7",
    "cross_cats_sorted": [
      "cs.ET",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-09-03T03:59:22Z",
    "title_canon_sha256": "0c1962ecc562417caf197b4b673daec54adaed5ef47423fc8c54512b7ff05aec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.02992",
    "kind": "arxiv",
    "version": 1
  }
}