Pith Number

pith:JS2NNFXX

pith:2015:JS2NNFXX5LTTAGOYZWQYVKW6PG

not attested not anchored not stored refs pending

Polynomial meta-models with canonical low-rank approximations: numerical insights and comparison to sparse polynomial chaos expansions

Bruno Sudret, Katerina Konakli

arxiv:1511.07492 v2 · 2015-11-23 · math.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{JS2NNFXX5LTTAGOYZWQYVKW6PG}

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	2026-05-18T01:08:19.015102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cb4d696f7eae73019d8cda18aaade79ab472219d4cdcda8bb17f7987eeb0bc4

Aliases

arxiv: 1511.07492 · arxiv_version: 1511.07492v2 · doi: 10.48550/arxiv.1511.07492 · pith_short_12: JS2NNFXX5LTT · pith_short_16: JS2NNFXX5LTTAGOY · pith_short_8: JS2NNFXX

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/JS2NNFXX5LTTAGOYZWQYVKW6PG \
  | 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: 4cb4d696f7eae73019d8cda18aaade79ab472219d4cdcda8bb17f7987eeb0bc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0404fcdc3a5fac278aaf48ab2570d6bc95094dafa7737adfbb4b2d729bf67b83",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-11-23T22:21:42Z",
    "title_canon_sha256": "4e66380981a6bd0b24cd3a1f18c49bab16eeb7a3dd8042958556b95582855f9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07492",
    "kind": "arxiv",
    "version": 2
  }
}