Pith Number

pith:G4J7OBYV

pith:2025:G4J7OBYV62YUCUDXRF246XAHBH

not attested not anchored not stored refs pending

The MINI mixed virtual element for the Stokes equation

Daniele Prada, Fabio Credali, Silvia Bertoluzza

arxiv:2503.20921 v2 · 2025-03-26 · 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{G4J7OBYV62YUCUDXRF246XAHBH}

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	2026-06-09T01:05:05.968104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3713f70715f6b14150778975cf5c0709ca1dba5e1358520f7111b5e24f723ec1

Aliases

arxiv: 2503.20921 · arxiv_version: 2503.20921v2 · doi: 10.48550/arxiv.2503.20921 · pith_short_12: G4J7OBYV62YU · pith_short_16: G4J7OBYV62YUCUDX · pith_short_8: G4J7OBYV

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/G4J7OBYV62YUCUDXRF246XAHBH \
  | 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: 3713f70715f6b14150778975cf5c0709ca1dba5e1358520f7111b5e24f723ec1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b262b9393c23bc12cfb9ab790468b58eb809b60d869885b1cb769e9c2d6adde2",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-03-26T18:55:06Z",
    "title_canon_sha256": "b42f1e49672081af7863eeff33f07524991df0105a34de184469005daba7c5cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.20921",
    "kind": "arxiv",
    "version": 2
  }
}