Pith Number

pith:RG76EXKG

pith:2023:RG76EXKG4H5MTKQJGZL5IPOUA2

not attested not anchored not stored refs pending

Explicable hyper-reduced order models on nonlinearly approximated solution manifolds of compressible and incompressible Navier-Stokes equations

Francesco Romor, Gianluigi Rozza, Giovanni Stabile

arxiv:2308.03396 v1 · 2023-08-07 · 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{RG76EXKG4H5MTKQJGZL5IPOUA2}

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	2026-07-05T06:38:16.400811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89bfe25d46e1fac9aa093657d43dd406a73f2a66a050bee96599f751d3d46a48

Aliases

arxiv: 2308.03396 · arxiv_version: 2308.03396v1 · doi: 10.48550/arxiv.2308.03396 · pith_short_12: RG76EXKG4H5M · pith_short_16: RG76EXKG4H5MTKQJ · pith_short_8: RG76EXKG

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/RG76EXKG4H5MTKQJGZL5IPOUA2 \
  | 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: 89bfe25d46e1fac9aa093657d43dd406a73f2a66a050bee96599f751d3d46a48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d8399a7117ebd9eab1299fc696ebfa7e2982cd829906df7bce707d686dbd5fa",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-08-07T08:25:53Z",
    "title_canon_sha256": "1c4a78875f7343f166fba237c9901e2620ed83e79c43fb3aa8c145f7eda43cb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.03396",
    "kind": "arxiv",
    "version": 1
  }
}