Pith Number

pith:PXWXED2T

pith:2019:PXWXED2T6B6PARUEOGKB4ZEFKD

not attested not anchored not stored refs pending

A posteriori error analysis for a new fully-mixed isotropic discretization of the stationary Stokes-Darcy coupled problem

Jamal Adetola, Koffi Wilfrid Hou\'edanou

arxiv:1908.07454 v2 · 2019-08-19 · 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{PXWXED2T6B6PARUEOGKB4ZEFKD}

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	2026-07-05T00:54:02.054260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ded720f53f07cf0468471941e648550c71d76086e09fe6203564d5bb3e0f452

Aliases

arxiv: 1908.07454 · arxiv_version: 1908.07454v2 · doi: 10.48550/arxiv.1908.07454 · pith_short_12: PXWXED2T6B6P · pith_short_16: PXWXED2T6B6PARUE · pith_short_8: PXWXED2T

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/PXWXED2T6B6PARUEOGKB4ZEFKD \
  | 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: 7ded720f53f07cf0468471941e648550c71d76086e09fe6203564d5bb3e0f452

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3baa9be9b29d1cf8c1c29ca30d1355cc49538b123d59e330906899f637e74185",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-19T06:38:12Z",
    "title_canon_sha256": "4cdcb938f784c0d066c2347a3cd6c5ca713f1149769e9610ad011463d9d44250"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07454",
    "kind": "arxiv",
    "version": 2
  }
}