Pith Number

pith:6P6ABNVS

pith:2026:6P6ABNVSQ3EU4FJCF3DCLNJQ5C

not attested not anchored not stored refs pending

Riemannian Stochastic Optimization for Sufficient Dimension Reduction

Fran\c{c}ois Portier, Thibault Pautrel

arxiv:2606.00413 v1 · 2026-05-29 · 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{6P6ABNVSQ3EU4FJCF3DCLNJQ5C}

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	2026-06-02T01:03:53.919956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3fc00b6b286c94e15222ec625b530e8983d7fc15ce9fd87a86a851d12225f49

Aliases

arxiv: 2606.00413 · arxiv_version: 2606.00413v1 · doi: 10.48550/arxiv.2606.00413 · pith_short_12: 6P6ABNVSQ3EU · pith_short_16: 6P6ABNVSQ3EU4FJC · pith_short_8: 6P6ABNVS

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/6P6ABNVSQ3EU4FJCF3DCLNJQ5C \
  | 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: f3fc00b6b286c94e15222ec625b530e8983d7fc15ce9fd87a86a851d12225f49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b52dd5bb1a951c15572a67e4ae56525ba76bf72c1e61f598d7596ae30b521c0b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-05-29T23:06:44Z",
    "title_canon_sha256": "a1bb1b13ddbc0ba20c68d0716e958c2830e980cf26e8892f9c220e13cbb37749"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.00413",
    "kind": "arxiv",
    "version": 1
  }
}