Pith Number

pith:EV5PRWIV

pith:2021:EV5PRWIV4RJIEBC3OQL2VIM7MA

not attested not anchored not stored refs pending

Bi-fidelity Reduced Polynomial Chaos Expansion for Uncertainty Quantification

Alireza Doostan, Felix Newberry, Jerrad Hampton, Kenneth Jansen

arxiv:2104.07462 v1 · 2021-04-15 · math.NA · cs.NA · 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{EV5PRWIV4RJIEBC3OQL2VIM7MA}

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.

Cited by

1 paper in Pith

IndicRAGSuite: Large-Scale Datasets and a Benchmark for Indian Language RAG Systems

Receipt and verification

First computed	2026-07-05T02:32:28.161376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

257af8d915e45282045b7417aaa19f601d286c6f976b98ca77889c4a448bb7ac

Aliases

arxiv: 2104.07462 · arxiv_version: 2104.07462v1 · doi: 10.48550/arxiv.2104.07462 · pith_short_12: EV5PRWIV4RJI · pith_short_16: EV5PRWIV4RJIEBC3 · pith_short_8: EV5PRWIV

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/EV5PRWIV4RJIEBC3OQL2VIM7MA \
  | 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: 257af8d915e45282045b7417aaa19f601d286c6f976b98ca77889c4a448bb7ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e95a6297f2ba787a78c6772d26ab179727a49e3eaec3b518c1e78b40d4a973b3",
    "cross_cats_sorted": [
      "cs.NA",
      "stat.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-04-15T13:48:31Z",
    "title_canon_sha256": "266ccd738f294772e3adee8ac206c59e899ca3285ab844f32ead5b045d1ccd39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07462",
    "kind": "arxiv",
    "version": 1
  }
}