Pith Number

pith:3WFY7VXU

pith:2025:3WFY7VXUKX2TQ5DPTZ4PMBOMEC

not attested not anchored not stored refs pending

On the Cauchy problem for the reaction-diffusion system with point-interaction in $\mathbb R^2$

Daniele Barbera, Mario Rastrelli, Vladimir Georgiev

arxiv:2504.08460 v1 · 2025-04-11 · math.AP · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WFY7VXUKX2TQ5DPTZ4PMBOMEC}

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.

Cited by

1 paper in Pith

Fractional Sobolev Spaces for the Singular-perturbed Laplace Operator in the $L^p$ setting

Receipt and verification

First computed	2026-07-05T10:47:49.559167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd8b8fd6f455f538746f9e78f605cc20a5d6001d4da30909ab27f96706714fa7

Aliases

arxiv: 2504.08460 · arxiv_version: 2504.08460v1 · doi: 10.48550/arxiv.2504.08460 · pith_short_12: 3WFY7VXUKX2T · pith_short_16: 3WFY7VXUKX2TQ5DP · pith_short_8: 3WFY7VXU

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/3WFY7VXUKX2TQ5DPTZ4PMBOMEC \
  | 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: dd8b8fd6f455f538746f9e78f605cc20a5d6001d4da30909ab27f96706714fa7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e01cbd7164f061a3b612e1d70e0f8cfec7c137dbc1bd5125e5dc74a66b82e63f",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-04-11T11:46:59Z",
    "title_canon_sha256": "99024bc2c52b7288d49e5452b7e0bcb4d45b84e8d67d0d1855327f94275127f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.08460",
    "kind": "arxiv",
    "version": 1
  }
}