Pith Number

pith:3H2C5FTC

pith:2020:3H2C5FTCPGPY3XRKYY3WVW2EDT

not attested not anchored not stored refs pending

A meta-algorithm for classification using random recursive tree ensembles: A high energy physics application

Vidhi Lalchand

arxiv:2001.06880 v1 · 2020-01-19 · stat.ML · cs.LG · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3H2C5FTCPGPY3XRKYY3WVW2EDT}

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	2026-07-05T00:34:25.506672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9f42e9662799f8dde2ac6376adb441ce8d4567a0fa5200acb5c4206000d91c0

Aliases

arxiv: 2001.06880 · arxiv_version: 2001.06880v1 · doi: 10.48550/arxiv.2001.06880 · pith_short_12: 3H2C5FTCPGPY · pith_short_16: 3H2C5FTCPGPY3XRK · pith_short_8: 3H2C5FTC

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/3H2C5FTCPGPY3XRKYY3WVW2EDT \
  | 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: d9f42e9662799f8dde2ac6376adb441ce8d4567a0fa5200acb5c4206000d91c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af36f0aaac2964d8c385aa8bbdbfbacc7c481d108653d82b2f570958fe98f30a",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2020-01-19T18:22:18Z",
    "title_canon_sha256": "7c231c3d4f16342086b2ad758dc29b77824a8064d74a150964f090f12855a44e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.06880",
    "kind": "arxiv",
    "version": 1
  }
}