Pith Number

pith:5WWDHZX7

pith:2019:5WWDHZX7RU4IEBAVNGWZ57QMQ5

not attested not anchored not stored refs pending

Interpolation-Based Model Order Reduction for Polynomial Parametric Systems

Pawan Goyal, Peter Benner

arxiv:1904.11891 v1 · 2019-04-26 · math.NA · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5WWDHZX7RU4IEBAVNGWZ57QMQ5}

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	2026-05-17T23:47:40.677218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edac33e6ff8d3882041569ad9efe0c8773c4a3094a6444c29e809e54790cde2a

Aliases

arxiv: 1904.11891 · arxiv_version: 1904.11891v1 · doi: 10.48550/arxiv.1904.11891 · pith_short_12: 5WWDHZX7RU4I · pith_short_16: 5WWDHZX7RU4IEBAV · pith_short_8: 5WWDHZX7

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/5WWDHZX7RU4IEBAVNGWZ57QMQ5 \
  | 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: edac33e6ff8d3882041569ad9efe0c8773c4a3094a6444c29e809e54790cde2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8ae51d3a115b616ca88ea237354308672aa62f4edee086cd0e0b7dd8c2d0d54",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-04-26T15:19:22Z",
    "title_canon_sha256": "bd82403c78446a5872b6ea9004a1b68d0558548711bd28e2f430f6cb9904d2b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11891",
    "kind": "arxiv",
    "version": 1
  }
}