Pith Number

pith:U6LW44DD

pith:2023:U6LW44DDUWGMB3ALF6WBZPK2CE

not attested not anchored not stored refs pending

Semi-Supervised Laplace Learning on Stiefel Manifolds

Alexander Cloninger, Chester Holtz, Chung-Kuan Cheng, Gal Mishne, Pengwen Chen

arxiv:2308.00142 v2 · 2023-07-31 · 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{U6LW44DDUWGMB3ALF6WBZPK2CE}

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	2026-07-05T08:55:20.483922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7976e7063a58cc0ec0b2fac1cbd5a111bd3cb5298d33a17a313921b82099862

Aliases

arxiv: 2308.00142 · arxiv_version: 2308.00142v2 · doi: 10.48550/arxiv.2308.00142 · pith_short_12: U6LW44DDUWGM · pith_short_16: U6LW44DDUWGMB3AL · pith_short_8: U6LW44DD

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/U6LW44DDUWGMB3ALF6WBZPK2CE \
  | 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: a7976e7063a58cc0ec0b2fac1cbd5a111bd3cb5298d33a17a313921b82099862

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67c98ba9166c54c874e3c8b2e0eb63a9daf9e0cd83f3c887eda5697626e32221",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-07-31T20:19:36Z",
    "title_canon_sha256": "814ea2d2fd2f0686cd68b8d8240bed7681cb36b9a5f5a408d33f117862b14485"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.00142",
    "kind": "arxiv",
    "version": 2
  }
}