Pith Number

pith:S7HC273H

pith:2016:S7HC273H5FKSVAPO6RELLWNT56

not attested not anchored not stored refs pending

Buhmann covariance functions, their compact supports, and their smoothness

E. Porcu, M. Bevilacqua, P. Zastavyi

arxiv:1606.09527 v3 · 2016-06-30 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S7HC273H5FKSVAPO6RELLWNT56}

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	2026-05-18T01:03:49.246356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97ce2d7f67e9552a81eef448b5d9b3ef8a76c1489130adf6b685f7caecdc25d0

Aliases

arxiv: 1606.09527 · arxiv_version: 1606.09527v3 · doi: 10.48550/arxiv.1606.09527 · pith_short_12: S7HC273H5FKS · pith_short_16: S7HC273H5FKSVAPO · pith_short_8: S7HC273H

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/S7HC273H5FKSVAPO6RELLWNT56 \
  | 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: 97ce2d7f67e9552a81eef448b5d9b3ef8a76c1489130adf6b685f7caecdc25d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eee90dd2c195ac727a139de95ec3653c9c79577dc4cefc22808fce029d7680e4",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2016-06-30T14:58:06Z",
    "title_canon_sha256": "bbbbe58c4c743fcbef4f1052f4095366fc9d77dbc7e6886ffb65a7de979b81bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.09527",
    "kind": "arxiv",
    "version": 3
  }
}