Pith Number

pith:TZRZG5GX

pith:2018:TZRZG5GXMTO7GAO3DEX6PTDEKA

not attested not anchored not stored refs pending

On the Calibration of Nested Dichotomies for Large Multiclass Tasks

Bernhard Pfahringer, Eibe Frank, Geoffrey Holmes, Tim Leathart

arxiv:1809.02744 v3 · 2018-09-08 · cs.LG · 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{TZRZG5GXMTO7GAO3DEX6PTDEKA}

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	2026-05-18T00:04:12.508878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e639374d764ddf301db192fe7cc64500ae002623368fc056dd509b0bedb9fa7

Aliases

arxiv: 1809.02744 · arxiv_version: 1809.02744v3 · doi: 10.48550/arxiv.1809.02744 · pith_short_12: TZRZG5GXMTO7 · pith_short_16: TZRZG5GXMTO7GAO3 · pith_short_8: TZRZG5GX

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/TZRZG5GXMTO7GAO3DEX6PTDEKA \
  | 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: 9e639374d764ddf301db192fe7cc64500ae002623368fc056dd509b0bedb9fa7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2e53016e290d483eea808bcc4e109019077ab9abb63325bb8865633b3a6164e",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-09-08T02:24:42Z",
    "title_canon_sha256": "f0a80d4b759c863a4dcfa0b86881de5a289913aa2b0a4bbb51fb37c9e42f9ee2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02744",
    "kind": "arxiv",
    "version": 3
  }
}