Pith Number

pith:L4J4HJZN

pith:2025:L4J4HJZN2DKVQMX77WQ4LCIREK

not attested not anchored not stored refs pending

A State-Space Representation of Coupled Linear Multivariate PDEs and Stability Analysis using SDP

Declan S. Jagt, Matthew M. Peet

arxiv:2508.14840 v3 · 2025-08-20 · math.AP · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L4J4HJZN2DKVQMX77WQ4LCIREK}

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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

Verifying Well-Posedness of Linear PDEs using Convex Optimization

Receipt and verification

First computed	2026-05-20T01:04:56.741092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f13c3a72dd0d55832fffda1c5891122aae0e9850a8acf62aca569a25d97584d

Aliases

arxiv: 2508.14840 · arxiv_version: 2508.14840v3 · doi: 10.48550/arxiv.2508.14840 · pith_short_12: L4J4HJZN2DKV · pith_short_16: L4J4HJZN2DKVQMX7 · pith_short_8: L4J4HJZN

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/L4J4HJZN2DKVQMX77WQ4LCIREK \
  | 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: 5f13c3a72dd0d55832fffda1c5891122aae0e9850a8acf62aca569a25d97584d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ac345f9119368f4c934bc9c79250a075499ff6c59d2b301eadada2079da69b5",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-08-20T16:45:41Z",
    "title_canon_sha256": "51a5e35217c5027530c2261a8aac57741690ab0e4045846faba3cb941ef54fc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.14840",
    "kind": "arxiv",
    "version": 3
  }
}