Pith Number

pith:SAKO3KGD

pith:2017:SAKO3KGDLARJPGCPFAYRM47HUR

not attested not anchored not stored refs pending

A Near-Optimal Sampling Strategy for Sparse Recovery of Polynomial Chaos Expansions

Hadi Meidani, Negin Alemazkoor

arxiv:1702.07830 v2 · 2017-02-25 · 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{SAKO3KGDLARJPGCPFAYRM47HUR}

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	2026-05-18T00:11:50.927567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9014eda8c3582297984f28311673e7a44629c2ac0286b6cac37621794c001725

Aliases

arxiv: 1702.07830 · arxiv_version: 1702.07830v2 · doi: 10.48550/arxiv.1702.07830 · pith_short_12: SAKO3KGDLARJ · pith_short_16: SAKO3KGDLARJPGCP · pith_short_8: SAKO3KGD

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/SAKO3KGDLARJPGCPFAYRM47HUR \
  | 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: 9014eda8c3582297984f28311673e7a44629c2ac0286b6cac37621794c001725

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7276c7de989a41f7613b97b80b27e41af02ae8f30e6131299e56ec6fe592d92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2017-02-25T03:46:20Z",
    "title_canon_sha256": "7d68b69aff968d0bbfa972e79dc725b231d43c36a3d918c3c89f193df6e34084"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07830",
    "kind": "arxiv",
    "version": 2
  }
}