Pith Number

pith:2HHSZ3GV

pith:2026:2HHSZ3GVXQEXDBMI3HYPT6QR52

not attested not anchored not stored refs pending

Wellposedness and dynamics of two types of reaction--nonlocal diffusion systems under the inhomogeneous spectral fractional Laplacian

Paul A. Zegeling, Pu Yuan

arxiv:2601.21422 v2 · 2026-01-29 · 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{2HHSZ3GVXQEXDBMI3HYPT6QR52}

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	2026-06-04T01:08:40.684175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1cf2cecd5bc09718588d9f0f9fa11eea45a9e81f3e360f28c94a0da095c79f9

Aliases

arxiv: 2601.21422 · arxiv_version: 2601.21422v2 · doi: 10.48550/arxiv.2601.21422 · pith_short_12: 2HHSZ3GVXQEX · pith_short_16: 2HHSZ3GVXQEXDBMI · pith_short_8: 2HHSZ3GV

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/2HHSZ3GVXQEXDBMI3HYPT6QR52 \
  | 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: d1cf2cecd5bc09718588d9f0f9fa11eea45a9e81f3e360f28c94a0da095c79f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cefbed6d0b999cc966092cefca3d141ca6dbd6bf84e57de771fabd98505acc3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2026-01-29T08:59:16Z",
    "title_canon_sha256": "ff997d8c6be22ed8fa7584f846f2eeb95111376434ce6c6060908f055993bca0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.21422",
    "kind": "arxiv",
    "version": 2
  }
}