Pith Number

pith:7R4KKYOI

pith:2018:7R4KKYOIGGZ2RZVXGRXSQSHZTE

not attested not anchored not stored refs pending

Probability Calibration Trees

Bernhard Pfahringer, Eibe Frank, Geoffrey Holmes, Tim Leathart

arxiv:1808.00111 v2 · 2018-07-31 · 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{7R4KKYOIGGZ2RZVXGRXSQSHZTE}

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	2026-05-18T00:05:45.176808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc78a561c831b3a8e6b7346f2848f99916ac86636ec162e85a984ed8e0e90dae

Aliases

arxiv: 1808.00111 · arxiv_version: 1808.00111v2 · doi: 10.48550/arxiv.1808.00111 · pith_short_12: 7R4KKYOIGGZ2 · pith_short_16: 7R4KKYOIGGZ2RZVX · pith_short_8: 7R4KKYOI

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/7R4KKYOIGGZ2RZVXGRXSQSHZTE \
  | 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: fc78a561c831b3a8e6b7346f2848f99916ac86636ec162e85a984ed8e0e90dae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72c0b603ea76d32cbae76cefb03424972940c3fed547035e52eae76b093a86f7",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-07-31T23:37:21Z",
    "title_canon_sha256": "a58a6faaa844e3b2ba34ba7b4a70d8806d3de3d9b55c22b85a98d4717b365d47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00111",
    "kind": "arxiv",
    "version": 2
  }
}