Pith Number

pith:L4P7YRAU

pith:2019:L4P7YRAUQLGH6H5UWFFDE25NXO

not attested not anchored not stored refs pending

Maxwell's lesser demon: a quantum engine driven by pointer measurements

Stefan Nimmrichter, Stella Seah, Valerio Scarani

arxiv:1908.10102 v2 · 2019-08-27 · 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{L4P7YRAUQLGH6H5UWFFDE25NXO}

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	2026-07-05T00:46:48.092490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f1ffc441482cc7f1fb4b14a326badbb8e23ddee59907e118a5d0f6df73d9bd2

Aliases

arxiv: 1908.10102 · arxiv_version: 1908.10102v2 · doi: 10.48550/arxiv.1908.10102 · pith_short_12: L4P7YRAUQLGH · pith_short_16: L4P7YRAUQLGH6H5U · pith_short_8: L4P7YRAU

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/L4P7YRAUQLGH6H5UWFFDE25NXO \
  | 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: 5f1ffc441482cc7f1fb4b14a326badbb8e23ddee59907e118a5d0f6df73d9bd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "032393c41d207573e895104ab3af8b5fe4563c10faab3e06c676df7870340107",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-08-27T09:29:56Z",
    "title_canon_sha256": "ac0112c153c9c815a7d9f7c3c93e6bff4b0676450aea7b14c694dd7eeae6a2c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10102",
    "kind": "arxiv",
    "version": 2
  }
}