Pith Number

pith:ZEXHYJVT

pith:2026:ZEXHYJVT5ULOAK3QI6NWE6RFTK

not attested not anchored not stored refs pending

Thermodynamics of classifiers

Yoshihiko Hasegawa

arxiv:2605.24365 v1 · 2026-05-23 · cond-mat.stat-mech · 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{ZEXHYJVT5ULOAK3QI6NWE6RFTK}

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.

Cited by

1 paper in Pith

Thermodynamics of Learning: A Typed Four-Component Accounting of Memory, Fit, and Value

Receipt and verification

First computed	2026-05-26T01:03:01.979043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c92e7c26b3ed16e02b70479b627a259a94884cd08d1c9ede4d5fe82f025635d8

Aliases

arxiv: 2605.24365 · arxiv_version: 2605.24365v1 · doi: 10.48550/arxiv.2605.24365 · pith_short_12: ZEXHYJVT5ULO · pith_short_16: ZEXHYJVT5ULOAK3Q · pith_short_8: ZEXHYJVT

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/ZEXHYJVT5ULOAK3QI6NWE6RFTK \
  | 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: c92e7c26b3ed16e02b70479b627a259a94884cd08d1c9ede4d5fe82f025635d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6871eda8f5d11a5a205c53d1ba6758fa3d828c294319b809b4edddbc55c20d0",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2026-05-23T03:07:31Z",
    "title_canon_sha256": "a243ce3429c79781d8e2654d0ea29ecb052cd05293cb30bde3771ba60dd39d41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24365",
    "kind": "arxiv",
    "version": 1
  }
}