Pith Number

pith:7ZWDOPTI

pith:2017:7ZWDOPTI4EE262VF4XNSXK3BMI

not attested not anchored not stored refs pending

Exact heat kernel on a hypersphere and its applications in kernel SVM

Chenchao Zhao, Jun S. Song

arxiv:1702.01373 v2 · 2017-02-05 · stat.ML · q-bio.QM · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ZWDOPTI4EE262VF4XNSXK3BMI}

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	2026-05-18T00:08:55.495773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe6c373e68e109af6aa5e5db2bab6162232674d8886d70314c6debc2bdfd4ed4

Aliases

arxiv: 1702.01373 · arxiv_version: 1702.01373v2 · doi: 10.48550/arxiv.1702.01373 · pith_short_12: 7ZWDOPTI4EE2 · pith_short_16: 7ZWDOPTI4EE262VF · pith_short_8: 7ZWDOPTI

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/7ZWDOPTI4EE262VF4XNSXK3BMI \
  | 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: fe6c373e68e109af6aa5e5db2bab6162232674d8886d70314c6debc2bdfd4ed4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b4d7bdb8757581c84d494aae1e299a9f0ca1b55f636949bd433d5bca04c3bf5",
    "cross_cats_sorted": [
      "q-bio.QM",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-02-05T04:55:14Z",
    "title_canon_sha256": "0a98cc8dad0cc61c468c8cf0b87b31e57c104fb57a2852d5cb19d1fb31ef705c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01373",
    "kind": "arxiv",
    "version": 2
  }
}