Pith Number

pith:TLFQR5GA

pith:2019:TLFQR5GACTAEHVU7EB2CSES4MC

not attested not anchored not stored refs pending

Spectrum-based stability analysis and stabilization of a class of time-periodic time delay systems

Luca Fenzi, Wim Michiels

arxiv:1908.10280 v1 · 2019-08-27 · math.NA · cs.NA · math.DS · 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{TLFQR5GACTAEHVU7EB2CSES4MC}

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	2026-07-05T01:48:06.329659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9acb08f4c014c043d69f207429125c609cd6130f8763277767f39ad340698e23

Aliases

arxiv: 1908.10280 · arxiv_version: 1908.10280v1 · doi: 10.48550/arxiv.1908.10280 · pith_short_12: TLFQR5GACTAE · pith_short_16: TLFQR5GACTAEHVU7 · pith_short_8: TLFQR5GA

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/TLFQR5GACTAEHVU7EB2CSES4MC \
  | 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: 9acb08f4c014c043d69f207429125c609cd6130f8763277767f39ad340698e23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a26ce51c4b52c49e58ce81246212fdfa12812b664b71bd9725a47e5a308fb8b",
    "cross_cats_sorted": [
      "cs.NA",
      "math.DS",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-27T15:37:20Z",
    "title_canon_sha256": "c4e588542a7598c5db3e5fd47d4f0b839eb951dc4b701fc350e1d155b946f5ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10280",
    "kind": "arxiv",
    "version": 1
  }
}