Pith Number

pith:CDF42SXO

pith:2018:CDF42SXONONT6GH6VDUAALGVKN

not attested not anchored not stored refs pending

Stabilized bi-grid projection methods in Finite Elements for the 2D incompressible Navier-Stokes

Clara Al Kosseifi, Hyam Abboud, Jean-Paul Chehab

arxiv:1808.09185 v1 · 2018-08-28 · 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{CDF42SXONONT6GH6VDUAALGVKN}

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	2026-05-18T00:07:02.072158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10cbcd4aee6b9b3f18fea8e8002cd5534751e7a8b2679cfa231cdbca4bf3beb0

Aliases

arxiv: 1808.09185 · arxiv_version: 1808.09185v1 · doi: 10.48550/arxiv.1808.09185 · pith_short_12: CDF42SXONONT · pith_short_16: CDF42SXONONT6GH6 · pith_short_8: CDF42SXO

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/CDF42SXONONT6GH6VDUAALGVKN \
  | 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: 10cbcd4aee6b9b3f18fea8e8002cd5534751e7a8b2679cfa231cdbca4bf3beb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11af38402206a2d1fc9b0533ef9bc3a3839b197e8e0a9a7ac1afa369fa56d220",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-08-28T09:08:27Z",
    "title_canon_sha256": "650987a999e77399758c47e3f85db888a8442460d915dbca99bae5428ccfdea1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09185",
    "kind": "arxiv",
    "version": 1
  }
}