Pith Number

pith:2QESYHHC

pith:2016:2QESYHHCWC3FLXY7TNGMTXUA7Z

not attested not anchored not stored refs pending

Strictly Positive Definite Kernels on a Product of Spheres II

Ana P. Peron, Jean C. Guella, Valdir A. Menegatto

arxiv:1605.09775 v2 · 2016-05-31 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QESYHHCWC3FLXY7TNGMTXUA7Z}

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	2026-05-18T01:01:00.114878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4092c1ce2b0b655df1f9b4cc9de80fe519ba7b39b526884e0a95c226421f35e

Aliases

arxiv: 1605.09775 · arxiv_version: 1605.09775v2 · doi: 10.48550/arxiv.1605.09775 · pith_short_12: 2QESYHHCWC3F · pith_short_16: 2QESYHHCWC3FLXY7 · pith_short_8: 2QESYHHC

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/2QESYHHCWC3FLXY7TNGMTXUA7Z \
  | 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: d4092c1ce2b0b655df1f9b4cc9de80fe519ba7b39b526884e0a95c226421f35e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fd077f5d872dfe062dc3fe2ca2b5b96dd8a05d66c20d54c9d4068bf0a3dbcea",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2016-05-31T19:19:50Z",
    "title_canon_sha256": "92ac3727eded757032279f82ad964721d7feb2c6a1764d81cbf4dff3a7512736"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.09775",
    "kind": "arxiv",
    "version": 2
  }
}