Pith Number

pith:AQR7HYHS

pith:2017:AQR7HYHSVGUX2YVM6OYRQY6FEW

not attested not anchored not stored refs pending

On optimal experimental designs for Sparse Polynomial Chaos Expansions

B. Sudret, N. Fajraoui, S. Marelli

arxiv:1703.05312 v1 · 2017-03-15 · 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{AQR7HYHSVGUX2YVM6OYRQY6FEW}

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	2026-05-18T00:48:34.601050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0423f3e0f2a9a97d62acf3b11863c5259519fd2c969239a91c62d00fb7acaa81

Aliases

arxiv: 1703.05312 · arxiv_version: 1703.05312v1 · doi: 10.48550/arxiv.1703.05312 · pith_short_12: AQR7HYHSVGUX · pith_short_16: AQR7HYHSVGUX2YVM · pith_short_8: AQR7HYHS

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/AQR7HYHSVGUX2YVM6OYRQY6FEW \
  | 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: 0423f3e0f2a9a97d62acf3b11863c5259519fd2c969239a91c62d00fb7acaa81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77a460e9f11df34e336e4fcda4145ed302f56961cd1a9ca98be9ff477b44fc27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-03-15T08:09:27Z",
    "title_canon_sha256": "944874993bd474abde20b2d470db81378e6e321bbf3eced410e6314a94765972"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05312",
    "kind": "arxiv",
    "version": 1
  }
}