Pith Number

pith:4FDG7744

pith:2018:4FDG77442T45SPTZ6QKN73POKE

not attested not anchored not stored refs pending

Quantum Reference Frames and Their Applications to Thermodynamics

Ana Bel\'en Sainz, Andreas Winter, Anthony J. Short, Sandu Popescu

arxiv:1804.03730 v1 · 2018-04-10 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FDG77442T45SPTZ6QKN73POKE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:14:45.905592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1466fff9cd4f9d93e79f414dfedee5106e08714b920baa593df4f85e4613158

Aliases

arxiv: 1804.03730 · arxiv_version: 1804.03730v1 · doi: 10.48550/arxiv.1804.03730 · pith_short_12: 4FDG77442T45 · pith_short_16: 4FDG77442T45SPTZ · pith_short_8: 4FDG7744

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/4FDG77442T45SPTZ6QKN73POKE \
  | 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: e1466fff9cd4f9d93e79f414dfedee5106e08714b920baa593df4f85e4613158

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3732a5fa207aa3266781b308650dad7f9356ff4eb7bee2b1d823a98c6d2726bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-04-10T21:50:39Z",
    "title_canon_sha256": "ba6ba7c3fcdf2d0229df23b9a92966a0437d0b48b25cc6d1b531681eba3cdf8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03730",
    "kind": "arxiv",
    "version": 1
  }
}