Pith Number

pith:VJE5O4FP

pith:2025:VJE5O4FPIM4D4MI4WCU346ZMFF

not attested not anchored not stored refs pending

On a linear DG approximation of chemotaxis models with damping gradient nonlinearities

Alessandro Columbu, Daniel Acosta-Soba, J. Rafael Rodr\'iguez-Galv\'an

arxiv:2501.13216 v2 · 2025-01-22 · 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{VJE5O4FPIM4D4MI4WCU346ZMFF}

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	2026-05-20T00:00:17.296058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa49d770af43383e311cb0a9be7b2c297a017193afbfc8931c888fb7f41f2a13

Aliases

arxiv: 2501.13216 · arxiv_version: 2501.13216v2 · doi: 10.48550/arxiv.2501.13216 · pith_short_12: VJE5O4FPIM4D · pith_short_16: VJE5O4FPIM4D4MI4 · pith_short_8: VJE5O4FP

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/VJE5O4FPIM4D4MI4WCU346ZMFF \
  | 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: aa49d770af43383e311cb0a9be7b2c297a017193afbfc8931c888fb7f41f2a13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a7127deaef2596ded2d3d1533203a0c728b06a0385a46a88725fc42de962aaa",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-01-22T20:57:01Z",
    "title_canon_sha256": "7c76fcbc6520b001f74d0e4dfbf87dbacfe2952b93b7b44aa0c07024c4d962c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.13216",
    "kind": "arxiv",
    "version": 2
  }
}