Pith Number

pith:U3MUVSX2

pith:2021:U3MUVSX2QP5ZYASNQ6OKUS37AO

not attested not anchored not stored refs pending

The SPDE approach for Gaussian and non-Gaussian fields: 10 years and still running

David Bolin, Finn Lindgren, H{\aa}vard Rue

arxiv:2111.01084 v2 · 2021-11-01 · 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{U3MUVSX2QP5ZYASNQ6OKUS37AO}

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

Limits of the inverse scattering problem

Receipt and verification

First computed	2026-07-05T05:06:52.931048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6d94acafa83fb9c024d879caa4b7f03b0743c787acdb84a6f3f950b5708dd9b

Aliases

arxiv: 2111.01084 · arxiv_version: 2111.01084v2 · doi: 10.48550/arxiv.2111.01084 · pith_short_12: U3MUVSX2QP5Z · pith_short_16: U3MUVSX2QP5ZYASN · pith_short_8: U3MUVSX2

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/U3MUVSX2QP5ZYASNQ6OKUS37AO \
  | 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: a6d94acafa83fb9c024d879caa4b7f03b0743c787acdb84a6f3f950b5708dd9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a85f04a1f82d608f56ed3999c943b1585f12dd8c0bbc6684bf6743be57e30558",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-11-01T16:50:09Z",
    "title_canon_sha256": "521bff0f58457709ae13b87fadd7a0bce579ad4ad7938cedf4c6ecc2b70a3273"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.01084",
    "kind": "arxiv",
    "version": 2
  }
}