Pith Number

pith:CMA7QSPG

pith:2023:CMA7QSPG3WPY5JFKCZYMSSAY6M

not attested not anchored not stored refs pending

An open-source pipeline for solving continuous reaction-diffusion models in image-based geometries of porous media

Ivo F. Sbalzarini, Justina Stark

arxiv:2304.11165 v2 · 2023-04-17 · cs.MS · physics.comp-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CMA7QSPG3WPY5JFKCZYMSSAY6M}

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	2026-07-05T07:01:40.845563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1301f849e6dd9f8ea4aa1670c94818f30e105854d61db74daa38df364df0c28a

Aliases

arxiv: 2304.11165 · arxiv_version: 2304.11165v2 · doi: 10.48550/arxiv.2304.11165 · pith_short_12: CMA7QSPG3WPY · pith_short_16: CMA7QSPG3WPY5JFK · pith_short_8: CMA7QSPG

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/CMA7QSPG3WPY5JFKCZYMSSAY6M \
  | 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: 1301f849e6dd9f8ea4aa1670c94818f30e105854d61db74daa38df364df0c28a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bc944f454253771cc0678d4a88e281744e6fc245e441b0e046e2baf9f89f227",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2023-04-17T13:34:11Z",
    "title_canon_sha256": "aae77d777db8b56a552ff84673084ce157d9161b8038e4ce81b68b3bc010c17f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.11165",
    "kind": "arxiv",
    "version": 2
  }
}