Pith Number

pith:3UGE7SLZ

pith:2019:3UGE7SLZPS7BMHDYTUAMSFPIXM

not attested not anchored not stored refs pending

Approximation and Uncertainty Quantification of Systems with Arbitrary Parameter Distributions using Weighted Leja Interpolation

Dimitrios Loukrezis, Herbert De Gersem

arxiv:1904.07709 v2 · 2019-04-16 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3UGE7SLZPS7BMHDYTUAMSFPIXM}

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	2026-06-04T20:14:25.651580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd0c4fc9797cbe161c789d00c915e8bb224a3c228e4686bc4f2717a2acb1060a

Aliases

arxiv: 1904.07709 · arxiv_version: 1904.07709v2 · doi: 10.48550/arxiv.1904.07709 · pith_short_12: 3UGE7SLZPS7B · pith_short_16: 3UGE7SLZPS7BMHDY · pith_short_8: 3UGE7SLZ

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/3UGE7SLZPS7BMHDYTUAMSFPIXM \
  | 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: dd0c4fc9797cbe161c789d00c915e8bb224a3c228e4686bc4f2717a2acb1060a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45290f1d7ee8b9971a24d5dfa67e1cc081436943f383a9341b1d84469a702676",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-04-16T14:25:12Z",
    "title_canon_sha256": "a443388ede11b8d44a9cbca4be8d5366e43611490e05ad44884303890294ddc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07709",
    "kind": "arxiv",
    "version": 2
  }
}