Pith Number

pith:MC744VBB

pith:2012:MC744VBBRLSA4ZODCUICVH4UGY

not attested not anchored not stored refs pending

Prototype selection for interpretable classification

Jacob Bien, Robert Tibshirani

arxiv:1202.5933 v1 · 2012-02-27 · stat.AP

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

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	2026-05-18T04:00:00.755881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60bfce54218ae40e65c315102a9f943624fb563f8d506cc094708b2db5504888

Aliases

arxiv: 1202.5933 · arxiv_version: 1202.5933v1 · doi: 10.48550/arxiv.1202.5933 · pith_short_12: MC744VBBRLSA · pith_short_16: MC744VBBRLSA4ZOD · pith_short_8: MC744VBB

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/MC744VBBRLSA4ZODCUICVH4UGY \
  | 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: 60bfce54218ae40e65c315102a9f943624fb563f8d506cc094708b2db5504888

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe2d7c83e44a03f7b50e1a559d97131e2b1e1bbeff4235c23105e6e3a7564b5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2012-02-27T13:45:29Z",
    "title_canon_sha256": "6f51e86f3f302fc58b7030e8c747b4571e01f45faec4e89d35aa7e0a3adeab33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5933",
    "kind": "arxiv",
    "version": 1
  }
}