Pith Number

pith:EZURLPNI

pith:2020:EZURLPNIKDUKUPHKAWJMDEV2XA

not attested not anchored not stored refs pending

On the Zeros of Quasi-Polynomials with Single Delay

Suat Gumussoy

arxiv:2003.02292 v1 · 2020-03-04 · eess.SY · cs.SY · 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{EZURLPNIKDUKUPHKAWJMDEV2XA}

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	2026-07-05T00:45:55.026708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

266915bda850e8aa3cea0592c192bab82e0b2c00f29bc5d9307d7d1251bf077d

Aliases

arxiv: 2003.02292 · arxiv_version: 2003.02292v1 · doi: 10.48550/arxiv.2003.02292 · pith_short_12: EZURLPNIKDUK · pith_short_16: EZURLPNIKDUKUPHK · pith_short_8: EZURLPNI

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/EZURLPNIKDUKUPHKAWJMDEV2XA \
  | 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: 266915bda850e8aa3cea0592c192bab82e0b2c00f29bc5d9307d7d1251bf077d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f43322348906494f874d69e1c0c9139ca2aa20d1b82dc8919d351c5cded493b7",
    "cross_cats_sorted": [
      "cs.SY",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2020-03-04T19:08:10Z",
    "title_canon_sha256": "dd049e0aa12435c6d0d20d6d1dfa016da9bf12b85b982a06198a42bb6079b0bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.02292",
    "kind": "arxiv",
    "version": 1
  }
}