Pith Number

pith:Z3TURUYX

pith:2017:Z3TURUYXML7U3BOCQNCSKQEK4E

not attested not anchored not stored refs pending

On a certified Smagorinsky reduced basis turbulence model

Enrique Delgado \'Avila, Francesco Ballarin, Gianluigi Rozza, Macarena G\'omez M\'armol, Tom\'as Chac\'on Rebollo

arxiv:1709.00243 v1 · 2017-09-01 · 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{Z3TURUYXML7U3BOCQNCSKQEK4E}

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	2026-06-04T19:10:56.012588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cee748d31762ff4d85c2834525408ae116e254cc56f7424e11b2feb5c7518110

Aliases

arxiv: 1709.00243 · arxiv_version: 1709.00243v1 · doi: 10.48550/arxiv.1709.00243 · pith_short_12: Z3TURUYXML7U · pith_short_16: Z3TURUYXML7U3BOC · pith_short_8: Z3TURUYX

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/Z3TURUYXML7U3BOCQNCSKQEK4E \
  | 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: cee748d31762ff4d85c2834525408ae116e254cc56f7424e11b2feb5c7518110

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3515b7c9f6a171597e70f0a4681c916ee54756adf2d78323b0fbcd9c76481298",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-09-01T11:06:14Z",
    "title_canon_sha256": "34a595e15da80a6399b9489dcb12397d76f3bfe1353de420828a7f802539fbed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00243",
    "kind": "arxiv",
    "version": 1
  }
}