Pith Number

pith:3LX5B3LY

pith:2026:3LX5B3LYGKMBR6RY3KPDCR2W25

not attested not anchored not stored refs pending

Numerical simulations for two-dimensional reaction-diffusion problems with formation of multiple dead zones

Boris Golman, Jan Valdman, Piotr Skrzypacz

arxiv:2606.02587 v1 · 2026-05-20 · 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{3LX5B3LYGKMBR6RY3KPDCR2W25}

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	2026-06-03T00:05:03.870371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

daefd0ed78329818fa38da9e314756d74348e465e369a5fc02f7a781ac30920d

Aliases

arxiv: 2606.02587 · arxiv_version: 2606.02587v1 · doi: 10.48550/arxiv.2606.02587 · pith_short_12: 3LX5B3LYGKMB · pith_short_16: 3LX5B3LYGKMBR6RY · pith_short_8: 3LX5B3LY

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/3LX5B3LYGKMBR6RY3KPDCR2W25 \
  | 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: daefd0ed78329818fa38da9e314756d74348e465e369a5fc02f7a781ac30920d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f7d517e0e09d00ca51942d6f3526c21a795c4620c2dd45c56498f0692d9de41",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-20T01:18:18Z",
    "title_canon_sha256": "a5f123c201eb659dad8747034e7d0174fb611aa99043e2d9ebca6deb7c135372"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.02587",
    "kind": "arxiv",
    "version": 1
  }
}