Pith Number

pith:YYY4KIOV

pith:2019:YYY4KIOVTXIFRFSFHQ2BKNGWSB

not attested not anchored not stored refs pending

Error Estimate of MacCormack Rapid Solver Method for 2D Incompressible Navier-Stokes Problems

Eric Ngondiep

arxiv:1903.10857 v1 · 2019-03-20 · 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{YYY4KIOVTXIFRFSFHQ2BKNGWSB}

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	2026-05-17T23:50:17.511510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c631c521d59dd05896453c341534d690558dfa121a368ebcc78c7670d672539e

Aliases

arxiv: 1903.10857 · arxiv_version: 1903.10857v1 · doi: 10.48550/arxiv.1903.10857 · pith_short_12: YYY4KIOVTXIF · pith_short_16: YYY4KIOVTXIFRFSF · pith_short_8: YYY4KIOV

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/YYY4KIOVTXIFRFSFHQ2BKNGWSB \
  | 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: c631c521d59dd05896453c341534d690558dfa121a368ebcc78c7670d672539e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12b0e774dae5dd53b30e5114ec7a3363d34b26709f71e048feea56c735a3bcf4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-03-20T17:02:04Z",
    "title_canon_sha256": "184d85b553792f66a744e4418f6b106bdf1bca1b44e5e8f6c415bfb556a47147"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10857",
    "kind": "arxiv",
    "version": 1
  }
}