Pith Number

pith:6PDSXE5J

pith:2017:6PDSXE5JAAQ2IFMARKD35ORGMB

not attested not anchored not stored refs pending

Schoenberg Representations and Gramian Matrices of Mat\'ern Functions

Dohie Kim, Hera Yun, Kyungwon Park, Yong-Kum Cho

arxiv:1702.05894 v1 · 2017-02-20 · 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{6PDSXE5JAAQ2IFMARKD35ORGMB}

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	2026-05-18T00:50:24.970656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3c72b93a90021a415808a87beba266075e9b17cbc8a77386c377b43d4b3deea

Aliases

arxiv: 1702.05894 · arxiv_version: 1702.05894v1 · doi: 10.48550/arxiv.1702.05894 · pith_short_12: 6PDSXE5JAAQ2 · pith_short_16: 6PDSXE5JAAQ2IFMA · pith_short_8: 6PDSXE5J

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/6PDSXE5JAAQ2IFMARKD35ORGMB \
  | 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: f3c72b93a90021a415808a87beba266075e9b17cbc8a77386c377b43d4b3deea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a46bda132c8a2cba4f19ff795d1c3e7c0defc8f316d1ceb322b8eae1cb323ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-02-20T08:32:09Z",
    "title_canon_sha256": "4d06defd191b967b1a35a05438628727a82ef76e286648269c35fdf44dbcf086"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05894",
    "kind": "arxiv",
    "version": 1
  }
}