Pith Number

pith:IE6KRQEP

pith:2025:IE6KRQEPD3N5FQ4V25RZFTHTZK

not attested not anchored not stored refs pending

Analytical solutions for the Extracellular-Membrane-Intracellular model

Alexei Cheviakov, Carlos Ballesteros, Raymond J. Spiteri

arxiv:2504.19960 v1 · 2025-04-28 · math.NA · cs.NA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IE6KRQEPD3N5FQ4V25RZFTHTZK}

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	2026-07-05T10:55:06.882749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

413ca8c08f1edbd2c395d76392ccf3cab95c6570707989df1221465912665d36

Aliases

arxiv: 2504.19960 · arxiv_version: 2504.19960v1 · doi: 10.48550/arxiv.2504.19960 · pith_short_12: IE6KRQEPD3N5 · pith_short_16: IE6KRQEPD3N5FQ4V · pith_short_8: IE6KRQEP

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/IE6KRQEPD3N5FQ4V25RZFTHTZK \
  | 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: 413ca8c08f1edbd2c395d76392ccf3cab95c6570707989df1221465912665d36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86cc9d3ad0e0170134fec443e63eba46f2df303072a0df253c6ec18de8050176",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-04-28T16:33:20Z",
    "title_canon_sha256": "d425372477ab6bea5e7d637f0fb6dd5d6894b1f5f5df94dc260558c2c869088f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.19960",
    "kind": "arxiv",
    "version": 1
  }
}