Pith Number

pith:KMVQWJVC

pith:2018:KMVQWJVCKZIJZLSTEX3IQGCEFD

not attested not anchored not stored refs pending

A Spectral Element Reduced Basis Method for Navier-Stokes Equations with Geometric Variations

Annalisa Quaini, Gianluigi Rozza, Martin W. Hess

arxiv:1812.11051 v2 · 2018-12-28 · math.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{KMVQWJVCKZIJZLSTEX3IQGCEFD}

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	2026-05-17T23:47:43.942298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

532b0b26a256509cae5325f688184428d45ffb655fcf0a340958e01b6507f982

Aliases

arxiv: 1812.11051 · arxiv_version: 1812.11051v2 · doi: 10.48550/arxiv.1812.11051 · pith_short_12: KMVQWJVCKZIJ · pith_short_16: KMVQWJVCKZIJZLST · pith_short_8: KMVQWJVC

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/KMVQWJVCKZIJZLSTEX3IQGCEFD \
  | 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: 532b0b26a256509cae5325f688184428d45ffb655fcf0a340958e01b6507f982

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27c25140dcbe1790358acbd38ab9786078f2e495dfd0cd02e21361202870e826",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-12-28T15:40:02Z",
    "title_canon_sha256": "538309634dabe8715311a805a36e7da4828218554e257bc900f7e8c248c71613"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11051",
    "kind": "arxiv",
    "version": 2
  }
}