Pith Number

pith:WTVDP5Z2

pith:2013:WTVDP5Z2QNHHJ3V52DBGM3PFU3

not attested not anchored not stored refs pending

Logistic regression geometry

Frank Critchley, Karim Anaya-Izquierdo, Paul Marriott

arxiv:1304.1720 v1 · 2013-04-05 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTVDP5Z2QNHHJ3V52DBGM3PFU3}

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	2026-05-18T03:28:54.846864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4ea37f73a834e74eebdd0c2666de5a6efcddb268198bc0e856b21bc3b81f412

Aliases

arxiv: 1304.1720 · arxiv_version: 1304.1720v1 · doi: 10.48550/arxiv.1304.1720 · pith_short_12: WTVDP5Z2QNHH · pith_short_16: WTVDP5Z2QNHHJ3V5 · pith_short_8: WTVDP5Z2

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/WTVDP5Z2QNHHJ3V52DBGM3PFU3 \
  | 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: b4ea37f73a834e74eebdd0c2666de5a6efcddb268198bc0e856b21bc3b81f412

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b62985e0c2d578f1b6250d7841f5e19a37a534fe30a196af7651f428c0b6390",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2013-04-05T14:11:33Z",
    "title_canon_sha256": "b3a6ed80a128407ab54cd8d0e34acfff3ce53cf31a0343376bfeca0d7570171d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1720",
    "kind": "arxiv",
    "version": 1
  }
}