Pith Number

pith:7UBUUBXD

pith:2019:7UBUUBXD2OIZBWAT5FICJJRXCM

not attested not anchored not stored refs pending

A new unified stabilized mixed finite element method of the Stokes-Darcy coupled problem: Isotropic discretization

Koffi Wilfrid Hou\'edanou

arxiv:1908.01892 v1 · 2019-08-05 · 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{7UBUUBXD2OIZBWAT5FICJJRXCM}

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	2026-07-04T23:51:48.767567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd034a06e3d39190d813e95024a6371336a8a4c576660cf0f2d10dbd900284c0

Aliases

arxiv: 1908.01892 · arxiv_version: 1908.01892v1 · doi: 10.48550/arxiv.1908.01892 · pith_short_12: 7UBUUBXD2OIZ · pith_short_16: 7UBUUBXD2OIZBWAT · pith_short_8: 7UBUUBXD

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/7UBUUBXD2OIZBWAT5FICJJRXCM \
  | 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: fd034a06e3d39190d813e95024a6371336a8a4c576660cf0f2d10dbd900284c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fca4c7a1e17299092fe2ac1b00f82aa5e451532a1bf67b62d259b6b69a212d08",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-05T22:41:00Z",
    "title_canon_sha256": "34e3f000fb64da1c312947d6a0eef8d4553e1baa4b45e6b4e4089f39fd4bf144"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01892",
    "kind": "arxiv",
    "version": 1
  }
}