Pith Number

pith:4XRRYLMW

pith:2011:4XRRYLMWLALLCET7EJDDXEH2VQ

not attested not anchored not stored refs pending

On the notion of persistence of excitation for linear switched systems

Laurent Bako, Mihaly Petreczky

arxiv:1103.1349 v1 · 2011-03-07 · math.OC · cs.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{4XRRYLMWLALLCET7EJDDXEH2VQ}

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	2026-05-18T04:27:16.607251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5e31c2d965816b1127f22463b90faac080ff9421987c7501735dee099140297

Aliases

arxiv: 1103.1349 · arxiv_version: 1103.1349v1 · doi: 10.48550/arxiv.1103.1349 · pith_short_12: 4XRRYLMWLALL · pith_short_16: 4XRRYLMWLALLCET7 · pith_short_8: 4XRRYLMW

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/4XRRYLMWLALLCET7EJDDXEH2VQ \
  | 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: e5e31c2d965816b1127f22463b90faac080ff9421987c7501735dee099140297

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06babac3a7890e63fe02180a85c380f55033f888705ceb230146a1b33a31ca87",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-03-07T19:40:27Z",
    "title_canon_sha256": "594253f1ac7d0a6dafdd492eb9d066b7f7434ebd128a2d8114d4da3be45e4eae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1349",
    "kind": "arxiv",
    "version": 1
  }
}