Pith Number

pith:SQTAVN2V

pith:2017:SQTAVN2VCM2AUW6TP32V7EQI5F

not attested not anchored not stored refs pending

A fully semi-Lagrangian discretization for the 2D Navier--Stokes equations in the vorticity--streamfunction formulation

Lorenzo Rocchi, Luca Bonaventura, Roberto Ferretti

arxiv:1706.03203 v1 · 2017-06-10 · math.NA · cs.CE · 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{SQTAVN2VCM2AUW6TP32V7EQI5F}

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	2026-05-18T00:24:59.965886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94260ab75513340a5bd37ef55f9208e96266899749e5140a61b613cb830071a9

Aliases

arxiv: 1706.03203 · arxiv_version: 1706.03203v1 · doi: 10.48550/arxiv.1706.03203 · pith_short_12: SQTAVN2VCM2A · pith_short_16: SQTAVN2VCM2AUW6T · pith_short_8: SQTAVN2V

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/SQTAVN2VCM2AUW6TP32V7EQI5F \
  | 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: 94260ab75513340a5bd37ef55f9208e96266899749e5140a61b613cb830071a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4c1e69f0d8deefe1d187fbded77a7ce39fff68fe69d672af1d1b9f8a2a2d483",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-06-10T08:21:14Z",
    "title_canon_sha256": "aa63373ec665a070e422e2a3791908e954973a11ddf33ddf5625ad42edbe4268"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03203",
    "kind": "arxiv",
    "version": 1
  }
}