Pith Number

pith:3DAQVYON

pith:2015:3DAQVYON7DMGGCE5HXZNA2KLVN

not attested not anchored not stored refs pending

Classification with many classes: challenges and pluses

Felix Abramovich, Marianna Pensky

arxiv:1506.01567 v4 · 2015-06-04 · math.ST · stat.ME · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3DAQVYON7DMGGCE5HXZNA2KLVN}

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	2026-05-17T23:40:27.138575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8c10ae1cdf8d863089d3df2d0694bab4c63c5f9d63b5c614f08fed65af2d5ce

Aliases

arxiv: 1506.01567 · arxiv_version: 1506.01567v4 · doi: 10.48550/arxiv.1506.01567 · pith_short_12: 3DAQVYON7DMG · pith_short_16: 3DAQVYON7DMGGCE5 · pith_short_8: 3DAQVYON

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/3DAQVYON7DMGGCE5HXZNA2KLVN \
  | 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: d8c10ae1cdf8d863089d3df2d0694bab4c63c5f9d63b5c614f08fed65af2d5ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c636595f90d939f0e37118cfdaee9246c87a57c9f1da1ec552f97792a092c428",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-06-04T12:57:19Z",
    "title_canon_sha256": "9e49847d9bf0fe9a85cc58b16368dd07b310daf1c16cdb7bd3557f991bf607d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01567",
    "kind": "arxiv",
    "version": 4
  }
}