Pith Number

pith:4PTPJDP5

pith:2017:4PTPJDP5JZUY7ZUV6UI6KBYFYB

not attested not anchored not stored refs pending

Optimization by gradient boosting

Beno\^it Cadre (ENS Rennes, G\'erard Biau (LSTA, IRMAR), LPMA)

arxiv:1707.05023 v1 · 2017-07-17 · math.ST · cs.LG · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4PTPJDP5JZUY7ZUV6UI6KBYFYB}

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	2026-05-18T00:40:11.580695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3e6f48dfd4e698fe695f511e50705c04b57ffacce6c513f2174eb7b14fc1ddd

Aliases

arxiv: 1707.05023 · arxiv_version: 1707.05023v1 · doi: 10.48550/arxiv.1707.05023 · pith_short_12: 4PTPJDP5JZUY · pith_short_16: 4PTPJDP5JZUY7ZUV · pith_short_8: 4PTPJDP5

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/4PTPJDP5JZUY7ZUV6UI6KBYFYB \
  | 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: e3e6f48dfd4e698fe695f511e50705c04b57ffacce6c513f2174eb7b14fc1ddd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63f299f1a47b8d933ba8e5cdc06e3c7628e3b9000f8287d90481f7cdacd4debc",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2017-07-17T07:44:26Z",
    "title_canon_sha256": "32bb26b9d68bfb5fab2a357bbc5f6393ccb4bb07ce7016b1e39cbd94b1484bb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05023",
    "kind": "arxiv",
    "version": 1
  }
}