Pith Number

pith:6XKHUYCL

pith:2022:6XKHUYCLPV7AZS6FC7IWGRXHFQ

not attested not anchored not stored refs pending

Fitting Mat\'ern Smoothness Parameters Using Automatic Differentiation

Christopher J. Geoga, Michael L. Stein, Michel Schanen, Oana Marin

arxiv:2201.00090 v3 · 2022-01-01 · stat.CO · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6XKHUYCLPV7AZS6FC7IWGRXHFQ}

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.

Cited by

1 paper in Pith

IdentityByDescentDispersal.jl: Inferring dispersal rates with identity-by-descent blocks

Receipt and verification

First computed	2026-07-05T04:21:36.034761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5d47a604b7d7e0ccbc517d16346e72c13b9f88c85b553f33ec95677441417d5

Aliases

arxiv: 2201.00090 · arxiv_version: 2201.00090v3 · doi: 10.48550/arxiv.2201.00090 · pith_short_12: 6XKHUYCLPV7A · pith_short_16: 6XKHUYCLPV7AZS6F · pith_short_8: 6XKHUYCL

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/6XKHUYCLPV7AZS6FC7IWGRXHFQ \
  | 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: f5d47a604b7d7e0ccbc517d16346e72c13b9f88c85b553f33ec95677441417d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a03a67fb275149279bf0fa4457fddf675b692195690c7545c34d4efeb0e52757",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2022-01-01T02:00:42Z",
    "title_canon_sha256": "906f32e2c5c6114272259c152a663511ada2ec49ec7180b4b607021ca1a15220"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.00090",
    "kind": "arxiv",
    "version": 3
  }
}