Pith Number

pith:RKNJJWJQ

pith:2026:RKNJJWJQ5OVDLR47GRQVVLL53Z

not attested not anchored not stored refs pending

Riemannian Archetypal Analysis: Interpretable non-linear data analysis on deformed star distributions

Deanna Needell, Willem Diepeveen

arxiv:2605.24113 v1 · 2026-05-22 · cs.LG · math.DG · math.OC · math.ST · 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{RKNJJWJQ5OVDLR47GRQVVLL53Z}

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	2026-05-26T01:02:47.007443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a9a94d930ebaa35c79f34615aad7dde7bea8cd2665746f0221f27c5f12ec2cd

Aliases

arxiv: 2605.24113 · arxiv_version: 2605.24113v1 · doi: 10.48550/arxiv.2605.24113 · pith_short_12: RKNJJWJQ5OVD · pith_short_16: RKNJJWJQ5OVDLR47 · pith_short_8: RKNJJWJQ

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/RKNJJWJQ5OVDLR47GRQVVLL53Z \
  | 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: 8a9a94d930ebaa35c79f34615aad7dde7bea8cd2665746f0221f27c5f12ec2cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4059d80c993217dcc6572efa73e3c6289ffcfbbe19a22760a85dbfa9421123c6",
    "cross_cats_sorted": [
      "math.DG",
      "math.OC",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-22T18:21:49Z",
    "title_canon_sha256": "5739fb1e8092aee79126c9555efe98e2072222818ad7f0800c2b70b516bf68dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24113",
    "kind": "arxiv",
    "version": 1
  }
}