Pith Number

pith:SPIFBXUU

pith:2018:SPIFBXUUM6GMSTEFE5FFABZ2WA

not attested not anchored not stored refs pending

Quantum Rotor Engines

Alexandre Roulet, Stefan Nimmrichter, Stella Seah, Valerio Scarani

arxiv:1804.11023 v1 · 2018-04-30 · 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{SPIFBXUUM6GMSTEFE5FFABZ2WA}

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	2026-05-17T23:49:45.127817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93d050de94678cc94c85274a50073ab02c1c47b1aae0a8878eda3607c9d80946

Aliases

arxiv: 1804.11023 · arxiv_version: 1804.11023v1 · doi: 10.48550/arxiv.1804.11023 · pith_short_12: SPIFBXUUM6GM · pith_short_16: SPIFBXUUM6GMSTEF · pith_short_8: SPIFBXUU

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/SPIFBXUUM6GMSTEFE5FFABZ2WA \
  | 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: 93d050de94678cc94c85274a50073ab02c1c47b1aae0a8878eda3607c9d80946

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4e8a84f9e40fad57500b363dc0cf976ee86dbfd8209c0d1142bfce1c780a638",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-04-30T02:12:16Z",
    "title_canon_sha256": "ddf8280cdd75c712a01d254b4f3f0e22ceff9e17f4d9f6145d548147c07ea04c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.11023",
    "kind": "arxiv",
    "version": 1
  }
}