Pith Number

pith:P37A2OOW

pith:2017:P37A2OOWZB2B5RBHG4R46DLUDT

not attested not anchored not stored refs pending

Sparse Polynomial Chaos Expansions via Compressed Sensing and D-optimal Design

Alireza Doostan, Jerrad Hampton, Paul Diaz

arxiv:1712.10131 v1 · 2017-12-29 · stat.ME · math.PR · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P37A2OOWZB2B5RBHG4R46DLUDT}

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	2026-05-18T00:16:27.484027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7efe0d39d6c8741ec4273723cf0d741cf8922e7285db038f70c98aa31fecd920

Aliases

arxiv: 1712.10131 · arxiv_version: 1712.10131v1 · doi: 10.48550/arxiv.1712.10131 · pith_short_12: P37A2OOWZB2B · pith_short_16: P37A2OOWZB2B5RBH · pith_short_8: P37A2OOW

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/P37A2OOWZB2B5RBHG4R46DLUDT \
  | 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: 7efe0d39d6c8741ec4273723cf0d741cf8922e7285db038f70c98aa31fecd920

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0be778289e9c409fd31d7f4bb3acfe56a6443752b41f8af90739a1d829b05fc",
    "cross_cats_sorted": [
      "math.PR",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-12-29T07:09:13Z",
    "title_canon_sha256": "3d824b660993e37c5441bb6b7ed23a6fdccf96d202539b0c7ced2e0900c56cb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.10131",
    "kind": "arxiv",
    "version": 1
  }
}