Pith Number

pith:IIKKGQER

pith:2014:IIKKGQERIWZQEVZXGCJXKYXNQD

not attested not anchored not stored refs pending

Entropy Meters and the Entropy of Non-extensive Systems

Elliott H. Lieb, Jakob Yngvason

arxiv:1403.0902 v2 · 2014-03-04 · math-ph · cond-mat.stat-mech · math.MP · physics.class-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{IIKKGQERIWZQEVZXGCJXKYXNQD}

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	2026-05-18T01:44:20.081194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4214a3409145b302573730937562ed80de5654f1188ccb5c087b917ff306edd5

Aliases

arxiv: 1403.0902 · arxiv_version: 1403.0902v2 · doi: 10.48550/arxiv.1403.0902 · pith_short_12: IIKKGQERIWZQ · pith_short_16: IIKKGQERIWZQEVZX · pith_short_8: IIKKGQER

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/IIKKGQERIWZQEVZXGCJXKYXNQD \
  | 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: 4214a3409145b302573730937562ed80de5654f1188ccb5c087b917ff306edd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a065563cc5f75bada87ce3e7017c6f6903d76dd4f5dd5b73644da5e0dfa6aed",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "math.MP",
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-03-04T19:01:29Z",
    "title_canon_sha256": "7cf87e54fc6921a616d01df0a66b423ecdd10bbcff69a9063057454a7c1803be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0902",
    "kind": "arxiv",
    "version": 2
  }
}