Pith Number

pith:KTD4PZ53

pith:2025:KTD4PZ53DSAW2AALB5NDHJLOGB

not attested not anchored not stored refs pending

Extension of generalized KYP lemma: from LTI systems to LPV systems

Jan Heiland, Jingjing Zhang, Peter Benner, Xin Du

arxiv:2508.08579 v1 · 2025-08-12 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KTD4PZ53DSAW2AALB5NDHJLOGB}

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	2026-07-05T11:52:30.690252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54c7c7e7bb1c816d000b0f5a33a56e307aab3800b5ea590b08c239b343c6d14e

Aliases

arxiv: 2508.08579 · arxiv_version: 2508.08579v1 · doi: 10.48550/arxiv.2508.08579 · pith_short_12: KTD4PZ53DSAW · pith_short_16: KTD4PZ53DSAW2AAL · pith_short_8: KTD4PZ53

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/KTD4PZ53DSAW2AALB5NDHJLOGB \
  | 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: 54c7c7e7bb1c816d000b0f5a33a56e307aab3800b5ea590b08c239b343c6d14e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc3cb76f3b9c0edf88939a5c525710d6de345e65c25d33c3a82a62e3f5e68405",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2025-08-12T02:33:49Z",
    "title_canon_sha256": "2898e6540419a44ce037624c50f56161af50bd321c01459060f4c0770b2de846"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.08579",
    "kind": "arxiv",
    "version": 1
  }
}