Pith Number

pith:DHEAUEOP

pith:2019:DHEAUEOPAMSI3WAGLL3RVGOIF7

not attested not anchored not stored refs pending

The principles of adaptation in organisms and machines I: machine learning, information theory, and thermodynamics

Hideaki Shimazaki

arxiv:1902.11233 v1 · 2019-02-28 · q-bio.NC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DHEAUEOPAMSI3WAGLL3RVGOIF7}

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	2026-05-17T23:52:25.168714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19c80a11cf03248dd8065af71a99c82fce1b10fe850e818eee539caed3182673

Aliases

arxiv: 1902.11233 · arxiv_version: 1902.11233v1 · doi: 10.48550/arxiv.1902.11233 · pith_short_12: DHEAUEOPAMSI · pith_short_16: DHEAUEOPAMSI3WAG · pith_short_8: DHEAUEOP

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/DHEAUEOPAMSI3WAGLL3RVGOIF7 \
  | 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: 19c80a11cf03248dd8065af71a99c82fce1b10fe850e818eee539caed3182673

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fd8c234c73248c153c06c1d21a2ac656b9136735ca6369968e266b9fe7bf3db",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2019-02-28T17:30:46Z",
    "title_canon_sha256": "236b02614b4a37dd1d3b524573fca67f0e8e500f436f295c0622eba9d8c6eb6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.11233",
    "kind": "arxiv",
    "version": 1
  }
}