Pith Number

pith:I6Q26SCD

pith:2018:I6Q26SCD74WNXGQ5RJKQH5OOUE

not attested not anchored not stored refs pending

An autonomous single-piston engine with a quantum rotor

Alexandre Roulet, Jacob M. Taylor, Stefan Nimmrichter

arxiv:1802.05486 v2 · 2018-02-15 · 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{I6Q26SCD74WNXGQ5RJKQH5OOUE}

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	2026-05-18T00:14:33.978479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47a1af4843ff2cdb9a1d8a5503f5cea11bba347fdd6ab85c5956a6f361fc4727

Aliases

arxiv: 1802.05486 · arxiv_version: 1802.05486v2 · doi: 10.48550/arxiv.1802.05486 · pith_short_12: I6Q26SCD74WN · pith_short_16: I6Q26SCD74WNXGQ5 · pith_short_8: I6Q26SCD

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/I6Q26SCD74WNXGQ5RJKQH5OOUE \
  | 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: 47a1af4843ff2cdb9a1d8a5503f5cea11bba347fdd6ab85c5956a6f361fc4727

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e96cc9aa860b3fc72bc9e69429bd0131a6caab37dbec83539f6603e25b092afc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-02-15T11:15:11Z",
    "title_canon_sha256": "1ef9f45d143e696124b7ebdaeab88db36c09c39f1a7946f106584da9c9b949e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05486",
    "kind": "arxiv",
    "version": 2
  }
}