Pith Number

pith:EIR6RETF

pith:2009:EIR6RETF7VZOSOY4MPJFU5AC4C

not attested not anchored not stored refs pending

Finite Approximations of Switched Homogeneous Systems for Controller Synthesis

Alexandre Megretski, Danielle C. Tarraf, Munther A. Dahleh

arxiv:0903.5535 v2 · 2009-03-31 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EIR6RETF7VZOSOY4MPJFU5AC4C}

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	2026-05-18T03:10:56.200638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2223e89265fd72e93b1c63d25a7402e0bd2ce1394e7522749436920041548ab1

Aliases

arxiv: 0903.5535 · arxiv_version: 0903.5535v2 · doi: 10.48550/arxiv.0903.5535 · pith_short_12: EIR6RETF7VZO · pith_short_16: EIR6RETF7VZOSOY4 · pith_short_8: EIR6RETF

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/EIR6RETF7VZOSOY4MPJFU5AC4C \
  | 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: 2223e89265fd72e93b1c63d25a7402e0bd2ce1394e7522749436920041548ab1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b290412635286d8f0e35cbcddd17535099351ad200760315afd9e7120615dd2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2009-03-31T18:32:35Z",
    "title_canon_sha256": "5bbd33fee155d86527ca88e3f1d3e42b4018549cd4c19ea11a22e70e2f579180"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.5535",
    "kind": "arxiv",
    "version": 2
  }
}