Pith Number

pith:MQURDOXK

pith:2017:MQURDOXKCDF5FDAARRWOMJCVMM

not attested not anchored not stored refs pending

Prototypal Analysis and Prototypal Regression

Chenyue Wu, Esteban G. Tabak

arxiv:1701.08916 v2 · 2017-01-31 · 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{MQURDOXKCDF5FDAARRWOMJCVMM}

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	2026-05-18T00:36:51.348053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

642911baea10cbd28c008c6ce62455630e1b30d398947efcbeaafed98094d997

Aliases

arxiv: 1701.08916 · arxiv_version: 1701.08916v2 · doi: 10.48550/arxiv.1701.08916 · pith_short_12: MQURDOXKCDF5 · pith_short_16: MQURDOXKCDF5FDAA · pith_short_8: MQURDOXK

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/MQURDOXKCDF5FDAARRWOMJCVMM \
  | 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: 642911baea10cbd28c008c6ce62455630e1b30d398947efcbeaafed98094d997

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b0062279c9c42943a14cf460c5f938cb6d0f49789127516ba15032dcbcc83f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-01-31T05:04:55Z",
    "title_canon_sha256": "99cfe8f638b7c5f724c81810b542d13dbac19962699ae67081f3d9223b3d3b74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08916",
    "kind": "arxiv",
    "version": 2
  }
}