Pith Number

pith:NNIIIW7I

pith:2020:NNIIIW7IH4OIZTXY7N2JKEFT7M

not attested not anchored not stored refs pending

Black-box density function estimation using recursive partitioning

Carl Henrik Ek, Erik Bodin, Neill D. F. Campbell, Zhenwen Dai

arxiv:2010.13632 v2 · 2020-10-26 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NNIIIW7IH4OIZTXY7N2JKEFT7M}

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	2026-07-05T02:47:40.241968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b50845be83f1c8ccef8fb749510b3fb1b78bf06b181a7ba30151a8933016635

Aliases

arxiv: 2010.13632 · arxiv_version: 2010.13632v2 · doi: 10.48550/arxiv.2010.13632 · pith_short_12: NNIIIW7IH4OI · pith_short_16: NNIIIW7IH4OIZTXY · pith_short_8: NNIIIW7I

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/NNIIIW7IH4OIZTXY7N2JKEFT7M \
  | 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: 6b50845be83f1c8ccef8fb749510b3fb1b78bf06b181a7ba30151a8933016635

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1bb60c698e43e20feffd8ca81ce00170794d2d7f232668e2081ee365b7a222f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2020-10-26T14:47:32Z",
    "title_canon_sha256": "cc785a0453b4f79e5d5e8ec48a0ac789b5686d05d501520cbfbef6d0a3341e18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.13632",
    "kind": "arxiv",
    "version": 2
  }
}