Pith Number

pith:EAE5HWSH

pith:2019:EAE5HWSHXQYI35OAJDT4BC7R5L

not attested not anchored not stored refs pending

Pareto-optimal data compression for binary classification tasks

Max Tegmark (MIT), Tailin Wu (MIT)

arxiv:1908.08961 v2 · 2019-08-23 · cs.LG · cs.CV · cs.IT · math.IT · 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{EAE5HWSHXQYI35OAJDT4BC7R5L}

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	2026-07-05T00:33:35.342447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2009d3da47bc308df5c048e7c08bf1eaedfafabba3a2695d70da35928fcf6ec4

Aliases

arxiv: 1908.08961 · arxiv_version: 1908.08961v2 · doi: 10.48550/arxiv.1908.08961 · pith_short_12: EAE5HWSHXQYI · pith_short_16: EAE5HWSHXQYI35OA · pith_short_8: EAE5HWSH

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/EAE5HWSHXQYI35OAJDT4BC7R5L \
  | 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: 2009d3da47bc308df5c048e7c08bf1eaedfafabba3a2695d70da35928fcf6ec4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38be84a57066f2fdeb1596d2445ae5f1f214e2320839c34ea0d5bf557e56ec3a",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-08-23T18:00:40Z",
    "title_canon_sha256": "2e62a7d3f384a63dcc14db171fcffcb21de38e717b63597dcf682857f6dc99a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08961",
    "kind": "arxiv",
    "version": 2
  }
}