Pith Number

pith:UUM47LFP

pith:2018:UUM47LFPST6PTCCYWRCWZKHL4T

not attested not anchored not stored refs pending

Advances in Reduced Order Methods for Parametric Industrial Problems in Computational Fluid Dynamics

Andrea Mola, Gianluigi Rozza, Giovanni Stabile, Haris Malik, Marco Tezzele, Michele Girfoglio, Nicola Demo

arxiv:1811.08319 v1 · 2018-11-20 · math.NA · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUM47LFPST6PTCCYWRCWZKHL4T}

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	2026-05-18T00:00:14.362671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a519cfacaf94fcf98858b4456ca8ebe4f2adf3af2d9654f9739782eb9b105954

Aliases

arxiv: 1811.08319 · arxiv_version: 1811.08319v1 · doi: 10.48550/arxiv.1811.08319 · pith_short_12: UUM47LFPST6P · pith_short_16: UUM47LFPST6PTCCY · pith_short_8: UUM47LFP

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/UUM47LFPST6PTCCYWRCWZKHL4T \
  | 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: a519cfacaf94fcf98858b4456ca8ebe4f2adf3af2d9654f9739782eb9b105954

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4738bd62b8e80b3776a67ed0fa2301820c784da44cb62dc4e7e660b2045a658e",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-11-20T15:39:08Z",
    "title_canon_sha256": "df06374450f2a159846a896fa142e491f4e1148774b91185387dc9fa8b9866f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.08319",
    "kind": "arxiv",
    "version": 1
  }
}