Pith Number

pith:IAT6RJDN

pith:2018:IAT6RJDNNGP4D6QCR42GGTSIXS

not attested not anchored not stored refs pending

The Sparse Variance Contamination Model

Ery Arias-Castro, Rong Huang

arxiv:1807.10785 v1 · 2018-07-27 · 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{IAT6RJDNNGP4D6QCR42GGTSIXS}

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	2026-05-18T00:09:37.390824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4027e8a46d699fc1fa028f34634e48bcb72f169926545b6d2ca72aa2afe95e43

Aliases

arxiv: 1807.10785 · arxiv_version: 1807.10785v1 · doi: 10.48550/arxiv.1807.10785 · pith_short_12: IAT6RJDNNGP4 · pith_short_16: IAT6RJDNNGP4D6QC · pith_short_8: IAT6RJDN

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/IAT6RJDNNGP4D6QCR42GGTSIXS \
  | 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: 4027e8a46d699fc1fa028f34634e48bcb72f169926545b6d2ca72aa2afe95e43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c64770c3cde4cf708fe4bf356ca78248367e00f714596b64ef51ec9658d5c3ff",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2018-07-27T18:34:40Z",
    "title_canon_sha256": "8f723be33e9c4eed2f2e454aad49dde8f5b3d6b9508e5a588a674f93c3800beb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10785",
    "kind": "arxiv",
    "version": 1
  }
}