Pith Number

pith:2QWXCQ5P

pith:2016:2QWXCQ5PIL33QDJMOOF7222TPW

not attested not anchored not stored refs pending

Depth and depth-based classification with R-package ddalpha

Oleksii Pokotylo, Pavlo Mozharovskyi, Rainer Dyckerhoff

arxiv:1608.04109 v1 · 2016-08-14 · stat.CO · 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{2QWXCQ5PIL33QDJMOOF7222TPW}

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	2026-05-18T01:09:04.236643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d42d7143af42f7b80d2c738bfd6b537d94b4badacacb4bccb9b0390630c633fd

Aliases

arxiv: 1608.04109 · arxiv_version: 1608.04109v1 · doi: 10.48550/arxiv.1608.04109 · pith_short_12: 2QWXCQ5PIL33 · pith_short_16: 2QWXCQ5PIL33QDJM · pith_short_8: 2QWXCQ5P

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/2QWXCQ5PIL33QDJMOOF7222TPW \
  | 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: d42d7143af42f7b80d2c738bfd6b537d94b4badacacb4bccb9b0390630c633fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d425ffdc046be73d451fb93dbdb5008721a2b52e80cfbe746a73a4d75a7f6ac0",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2016-08-14T14:44:17Z",
    "title_canon_sha256": "2eea2572aaafb1a49ca7b361ecfdae5dae9c81cf7d840e5cdfe3c2a0c713a64b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04109",
    "kind": "arxiv",
    "version": 1
  }
}