Pith Number

pith:52VUOJ6S

pith:2025:52VUOJ6SUOTCW7J6EH54PJORZB

not attested not anchored not stored refs pending

Robust Tangent Space Estimation via Laplacian Eigenvector Gradient Orthogonalization

Alexander Cloninger, Dhruv Kohli, Gal Mishne, Sawyer J. Robertson

arxiv:2510.02308 v2 · 2025-10-02 · cs.LG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{52VUOJ6SUOTCW7J6EH54PJORZB}

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	2026-06-30T01:17:27.259270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eeab4727d2a3a62b7d3e21fbc7a5d1c86d60758b35ef2d9071f73ab92c42575b

Aliases

arxiv: 2510.02308 · arxiv_version: 2510.02308v2 · doi: 10.48550/arxiv.2510.02308 · pith_short_12: 52VUOJ6SUOTC · pith_short_16: 52VUOJ6SUOTCW7J6 · pith_short_8: 52VUOJ6S

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/52VUOJ6SUOTCW7J6EH54PJORZB \
  | 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: eeab4727d2a3a62b7d3e21fbc7a5d1c86d60758b35ef2d9071f73ab92c42575b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76faed8d5ead675aaa21f2ef01dfe882036719dca2c8f438326da49259eb6a0a",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-10-02T17:59:45Z",
    "title_canon_sha256": "26dc90398b12dc3f9b9d5f1d372b6472930197abfab16e5f2fe2883458cc5397"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.02308",
    "kind": "arxiv",
    "version": 2
  }
}