Pith Number

pith:VC2DNZXR

pith:2022:VC2DNZXRI6YKG2XUSMRNN5HSDO

not attested not anchored not stored refs pending

Sparse tree-based initialization for neural networks

Claire Boyer (LPSM (UMR\_8001)), Erwan Scornet (CMAP), Ludovic Arnould (LPSM (UMR\_8001)), Patrick Lutz (BU)

arxiv:2209.15283 v1 · 2022-09-30 · 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{VC2DNZXRI6YKG2XUSMRNN5HSDO}

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	2026-07-05T05:02:18.376043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8b436e6f147b0a36af49322d6f4f21b939a762773faa0dcbb2c74c2955deaea

Aliases

arxiv: 2209.15283 · arxiv_version: 2209.15283v1 · doi: 10.48550/arxiv.2209.15283 · pith_short_12: VC2DNZXRI6YK · pith_short_16: VC2DNZXRI6YKG2XU · pith_short_8: VC2DNZXR

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/VC2DNZXRI6YKG2XUSMRNN5HSDO \
  | 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: a8b436e6f147b0a36af49322d6f4f21b939a762773faa0dcbb2c74c2955deaea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfc7c18ddea2287f2f0498724883bdfc2635b0058615462374dce457c90a53a6",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2022-09-30T07:44:03Z",
    "title_canon_sha256": "2c202eea508373e7f8141b9b47f98fb2f8f3babb1963660ab33843ded4910f0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.15283",
    "kind": "arxiv",
    "version": 1
  }
}