Pith Number

pith:Q4LZMAGP

pith:2025:Q4LZMAGPH7E6TJDII4YAYUCF2V

not attested not anchored not stored refs pending

Generalizable Spectral Embedding with an Application to UMAP

Amitai Yacobi, Nir Ben-Ari, Uri Shaham

arxiv:2501.11305 v2 · 2025-01-20 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q4LZMAGPH7E6TJDII4YAYUCF2V}

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	2026-07-05T11:56:17.233707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87179600cf3fc9e9a46847300c5045d5723e22ab400678376eb319f4a6b3d95a

Aliases

arxiv: 2501.11305 · arxiv_version: 2501.11305v2 · doi: 10.48550/arxiv.2501.11305 · pith_short_12: Q4LZMAGPH7E6 · pith_short_16: Q4LZMAGPH7E6TJDI · pith_short_8: Q4LZMAGP

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/Q4LZMAGPH7E6TJDII4YAYUCF2V \
  | 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: 87179600cf3fc9e9a46847300c5045d5723e22ab400678376eb319f4a6b3d95a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49dbe28e1222679db6660e144de06e7036bad5d366eb4d234622218be1090730",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-01-20T07:11:03Z",
    "title_canon_sha256": "8263fbbba9a576b0fc8f3798802728613a14533ad4947da074836a980fafc699"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.11305",
    "kind": "arxiv",
    "version": 2
  }
}