Pith Number

pith:4BNGPOHE

pith:2020:4BNGPOHEMNHVTMCEIOED3RCO67

not attested not anchored not stored refs pending

To Bag is to Prune

Philippe Goulet Coulombe

arxiv:2008.07063 v5 · 2020-08-17 · stat.ML · cs.LG · econ.EM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4BNGPOHEMNHVTMCEIOED3RCO67}

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	2026-07-05T09:12:51.013301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e05a67b8e4634f59b04443883dc44ef7d89eeeee0d55003187bf421bcc40c422

Aliases

arxiv: 2008.07063 · arxiv_version: 2008.07063v5 · doi: 10.48550/arxiv.2008.07063 · pith_short_12: 4BNGPOHEMNHV · pith_short_16: 4BNGPOHEMNHVTMCE · pith_short_8: 4BNGPOHE

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/4BNGPOHEMNHVTMCEIOED3RCO67 \
  | 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: e05a67b8e4634f59b04443883dc44ef7d89eeeee0d55003187bf421bcc40c422

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "053920ab7a72328bfa6900eef2499579d9e541286d3cbd61c7900b68b19c5f27",
    "cross_cats_sorted": [
      "cs.LG",
      "econ.EM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2020-08-17T02:45:32Z",
    "title_canon_sha256": "f1236513c74f52c4936afc3fbf2fea65f2fa9668cb2284018944827508fcc5ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.07063",
    "kind": "arxiv",
    "version": 5
  }
}