Pith Number

pith:NSJDXWFO

pith:2015:NSJDXWFOYC5GYPHHVHFAOPJDB2

not attested not anchored not stored refs pending

Nonparametric regression using needlet kernels for spherical data

Shaobo Lin

arxiv:1502.04168 v2 · 2015-02-14 · 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{NSJDXWFOYC5GYPHHVHFAOPJDB2}

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	2026-05-18T01:33:32.327831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c923bd8aec0ba6c3ce7a9ca073d230e98ff360859302189e336b4d93f11b079

Aliases

arxiv: 1502.04168 · arxiv_version: 1502.04168v2 · doi: 10.48550/arxiv.1502.04168 · pith_short_12: NSJDXWFOYC5G · pith_short_16: NSJDXWFOYC5GYPHH · pith_short_8: NSJDXWFO

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/NSJDXWFOYC5GYPHHVHFAOPJDB2 \
  | 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: 6c923bd8aec0ba6c3ce7a9ca073d230e98ff360859302189e336b4d93f11b079

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a342a7f9dbb4c68ad585280558a9b60cef5f4fa3f99e34b823b60ab02f327de",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-02-14T05:37:32Z",
    "title_canon_sha256": "43e289014f69deee5ed503d0780777bea1c55554f52f05c55eced43f66a61709"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04168",
    "kind": "arxiv",
    "version": 2
  }
}