Pith Number

pith:MPXSR57Q

pith:2021:MPXSR57QQBPHL4PQVM4ZN7ZO5U

not attested not anchored not stored refs pending

Sparse nearest neighbor Cholesky matrices in spatial statistics

Abhirup Datta

arxiv:2102.13299 v2 · 2021-02-26 · 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{MPXSR57QQBPHL4PQVM4ZN7ZO5U}

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

Modernizing full posterior inference for surrogate modeling of categorical-output simulation experiments

Receipt and verification

First computed	2026-07-05T03:33:04.417026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63ef28f7f0805e75f1f0ab3996ff2eed32c7fda043ee928e0642c5e094ddbff9

Aliases

arxiv: 2102.13299 · arxiv_version: 2102.13299v2 · doi: 10.48550/arxiv.2102.13299 · pith_short_12: MPXSR57QQBPH · pith_short_16: MPXSR57QQBPHL4PQ · pith_short_8: MPXSR57Q

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/MPXSR57QQBPHL4PQVM4ZN7ZO5U \
  | 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: 63ef28f7f0805e75f1f0ab3996ff2eed32c7fda043ee928e0642c5e094ddbff9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50f107051a3dddbbfae099cabe4c8c20864694092dd4ccf197dd1b6f4295a8a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-02-26T04:25:17Z",
    "title_canon_sha256": "e97b4a9d31e1405a952df1230eb36ad33101883cee8c90699dabd06b300630c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.13299",
    "kind": "arxiv",
    "version": 2
  }
}