Pith Number

pith:ZFKUWF26

pith:2017:ZFKUWF262DHGOFZSB7CMIW32N3

not attested not anchored not stored refs pending

Least Squares Polynomial Chaos Expansion: A Review of Sampling Strategies

Alireza Doostan, Mohammad Hadigol

arxiv:1706.07564 v1 · 2017-06-23 · stat.CO · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZFKUWF262DHGOFZSB7CMIW32N3}

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	2026-05-18T00:23:35.504038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9554b175ed0ce6717320fc4c45b7a6ec0313ffe93f206c18d52cf50503c1e4f

Aliases

arxiv: 1706.07564 · arxiv_version: 1706.07564v1 · doi: 10.48550/arxiv.1706.07564 · pith_short_12: ZFKUWF262DHG · pith_short_16: ZFKUWF262DHGOFZS · pith_short_8: ZFKUWF26

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/ZFKUWF262DHGOFZSB7CMIW32N3 \
  | 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: c9554b175ed0ce6717320fc4c45b7a6ec0313ffe93f206c18d52cf50503c1e4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87e301771e3995341e6908fc02e84f5b7ec9d26fe893a2bb5e1e5ae29994713b",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2017-06-23T04:49:01Z",
    "title_canon_sha256": "35428026d65fc647a57c9c06c51857541a2ca57127a234a360a7f36879656f6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07564",
    "kind": "arxiv",
    "version": 1
  }
}