Pith Number

pith:PYJ7CB2P

pith:2024:PYJ7CB2P4X5F5UGVI7SRER7VXI

not attested not anchored not stored refs pending

Nonlocal approximation of an anisotropic cross-diffusion system

Markus Schmidtchen, Tomasz D\k{e}biec

arxiv:2412.20188 v1 · 2024-12-28 · 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{PYJ7CB2P4X5F5UGVI7SRER7VXI}

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	2026-07-05T09:54:55.739863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e13f1074fe5fa5ed0d547e51247f5ba1ce106fb19fc492312fef5a4b9f0e7a8

Aliases

arxiv: 2412.20188 · arxiv_version: 2412.20188v1 · doi: 10.48550/arxiv.2412.20188 · pith_short_12: PYJ7CB2P4X5F · pith_short_16: PYJ7CB2P4X5F5UGV · pith_short_8: PYJ7CB2P

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/PYJ7CB2P4X5F5UGVI7SRER7VXI \
  | 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: 7e13f1074fe5fa5ed0d547e51247f5ba1ce106fb19fc492312fef5a4b9f0e7a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e14e6c0b6b6d37694f6fbe353fb26019bf0597337b861f15549349ca8c6611ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2024-12-28T16:01:46Z",
    "title_canon_sha256": "34a76006d963926f685a8e3e5299c1f2db349caead40b46d396906652c70574b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.20188",
    "kind": "arxiv",
    "version": 1
  }
}