Pith Number

pith:T6NX3LUS

pith:2026:T6NX3LUSYRELBLWLAQLVAHRBZR

not attested not anchored not stored refs pending

Data-driven approximation of regions of attraction via an LP-based selection of PWA Lyapunov functions

Martin Gulan, Matteo Tacchi-B\'enard, Oumayma Khattabi, Sorin Olaru

arxiv:2605.19961 v1 · 2026-05-19 · math.OC · 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{T6NX3LUSYRELBLWLAQLVAHRBZR}

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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.

Receipt and verification

First computed	2026-05-20T02:05:57.149849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f9b7dae92c448b0aecb0417501e21cc74ecdedd23d480e8d20ccf00c8d48dcd

Aliases

arxiv: 2605.19961 · arxiv_version: 2605.19961v1 · doi: 10.48550/arxiv.2605.19961 · pith_short_12: T6NX3LUSYREL · pith_short_16: T6NX3LUSYRELBLWL · pith_short_8: T6NX3LUS

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/T6NX3LUSYRELBLWLAQLVAHRBZR \
  | 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: 9f9b7dae92c448b0aecb0417501e21cc74ecdedd23d480e8d20ccf00c8d48dcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0745513456054d921f6efb846347cc65da25186728c96bc04658e7724fde59c0",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-05-19T15:14:09Z",
    "title_canon_sha256": "7e70e161f89b66ef74a8fa1c645161cf75636604c3823f0c69841a798e83c90f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19961",
    "kind": "arxiv",
    "version": 1
  }
}