Pith Number

pith:ABNBA7PA

pith:2015:ABNBA7PAMTY3I6XIAHVPKVJVOF

not attested not anchored not stored refs pending

Estimating the smoothness of a Gaussian random field from irregularly spaced data via higher-order quadratic variations

Wei-Liem Loh

arxiv:1510.08699 v1 · 2015-10-29 · 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{ABNBA7PAMTY3I6XIAHVPKVJVOF}

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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	2026-05-18T01:28:27.017562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

005a107de064f1b47ae801eaf5553571404e906c1d3f0bc1981a4e7af1072f03

Aliases

arxiv: 1510.08699 · arxiv_version: 1510.08699v1 · doi: 10.48550/arxiv.1510.08699 · pith_short_12: ABNBA7PAMTY3 · pith_short_16: ABNBA7PAMTY3I6XI · pith_short_8: ABNBA7PA

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/ABNBA7PAMTY3I6XIAHVPKVJVOF \
  | 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: 005a107de064f1b47ae801eaf5553571404e906c1d3f0bc1981a4e7af1072f03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7d1791ef0c6e5cf02554d8335a75b4e98b4c5a0fe1a03935f952dd024050a6b",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-10-29T14:13:08Z",
    "title_canon_sha256": "c8d02cebe2d015a5696ef96103f871562320094b45119a0a689478bb4d65ac5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08699",
    "kind": "arxiv",
    "version": 1
  }
}