Pith Number

pith:LFG74WJI

pith:2026:LFG74WJILXBEAXLAW5PAKIMA66

not attested not anchored not stored refs pending

Uncertainty Quantification of Engineering Structures by Polynomial Chaos Expansion and Multivariate Active Learning

Jafar Jafari-Asl, Lukas Novak, Panagiotis Spyridis, Qitian Lu

arxiv:2606.17233 v1 · 2026-06-15 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LFG74WJILXBEAXLAW5PAKIMA66}

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	2026-06-19T16:10:06.519589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

594dfe59285dc2405d60b75e052180f7af144220a6aa19388095f1024e43854c

Aliases

arxiv: 2606.17233 · arxiv_version: 2606.17233v1 · doi: 10.48550/arxiv.2606.17233 · pith_short_12: LFG74WJILXBE · pith_short_16: LFG74WJILXBEAXLA · pith_short_8: LFG74WJI

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/LFG74WJILXBEAXLAW5PAKIMA66 \
  | 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: 594dfe59285dc2405d60b75e052180f7af144220a6aa19388095f1024e43854c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a42a76fc2fd08af525201370b48a293d9ffc3790763767515bde023a3e81333d",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-15T19:27:11Z",
    "title_canon_sha256": "ae743978e0a28f1537041eeebfbdb7d4944a333132335347570aaa05e51ea954"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17233",
    "kind": "arxiv",
    "version": 1
  }
}