Pith Number

pith:K7M5P2NK

pith:2019:K7M5P2NKUN3NKEHTKU7XLQPTGZ

not attested not anchored not stored refs pending

Typical and extreme entropies of long-lived isolated quantum systems

Anthony Aguirre, Dana Faiez, Dominik \v{S}afr\'anek, J. M. Deutsch

arxiv:1908.07083 v2 · 2019-08-19 · quant-ph · cond-mat.quant-gas · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K7M5P2NKUN3NKEHTKU7XLQPTGZ}

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	2026-07-05T01:06:31.123121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57d9d7e9aaa376d510f3553f75c1f336666a7bb159a1dcc383b0a46151f58380

Aliases

arxiv: 1908.07083 · arxiv_version: 1908.07083v2 · doi: 10.48550/arxiv.1908.07083 · pith_short_12: K7M5P2NKUN3N · pith_short_16: K7M5P2NKUN3NKEHT · pith_short_8: K7M5P2NK

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/K7M5P2NKUN3NKEHTKU7XLQPTGZ \
  | 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: 57d9d7e9aaa376d510f3553f75c1f336666a7bb159a1dcc383b0a46151f58380

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccfd8788957337fff101cf94ae7d0f0331651e894e32cc27d9010967944799ee",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-08-19T21:48:44Z",
    "title_canon_sha256": "93aa5d5b3ed7c1df38eae097b7e731db19bd380dd0a474065172802b16fe3cb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07083",
    "kind": "arxiv",
    "version": 2
  }
}