Pith Number

pith:FJET7DPZ

pith:2017:FJET7DPZSRFZTHRBUOEOJ4RVKE

not attested not anchored not stored refs pending

Tucker Tensor analysis of Matern functions in spatial statistics

Alexander Litvinenko, Boris N. Khoromskij, David Keyes, Hermann G. Matthies, Venera Khoromskaia

arxiv:1711.06874 v4 · 2017-11-18 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FJET7DPZSRFZTHRBUOEOJ4RVKE}

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	2026-05-18T00:11:50.264204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a493f8df9944b999e21a388e4f23551329f34497f3a43b958b18efc8981b94b

Aliases

arxiv: 1711.06874 · arxiv_version: 1711.06874v4 · doi: 10.48550/arxiv.1711.06874 · pith_short_12: FJET7DPZSRFZ · pith_short_16: FJET7DPZSRFZTHRB · pith_short_8: FJET7DPZ

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/FJET7DPZSRFZTHRBUOEOJ4RVKE \
  | 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: 2a493f8df9944b999e21a388e4f23551329f34497f3a43b958b18efc8981b94b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c58bb2e2ae37d27422f84637f8bd564418269a73773de8c3862f375b4e46dfc1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-11-18T15:37:58Z",
    "title_canon_sha256": "50c2bd95cd383b6bc883bc064b0d5a6c124c7f7741cb7606032bee5c386e6037"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.06874",
    "kind": "arxiv",
    "version": 4
  }
}