Pith Number

pith:PCNKLZTY

pith:2020:PCNKLZTYZ3WIWXDCCGVNWPLOPL

not attested not anchored not stored refs pending

Computing the Pseudospectral Abscissa of Time-Delay Systems

Suat Gumussoy, Wim Michiels

arxiv:2003.04737 v1 · 2020-03-06 · eess.SY · 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{PCNKLZTYZ3WIWXDCCGVNWPLOPL}

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	2026-07-05T00:47:06.893191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

789aa5e678ceec8b5c6211aadb3d6e7acc4b10ab555457b011ce446b94e8f8ed

Aliases

arxiv: 2003.04737 · arxiv_version: 2003.04737v1 · doi: 10.48550/arxiv.2003.04737 · pith_short_12: PCNKLZTYZ3WI · pith_short_16: PCNKLZTYZ3WIWXDC · pith_short_8: PCNKLZTY

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/PCNKLZTYZ3WIWXDCCGVNWPLOPL \
  | 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: 789aa5e678ceec8b5c6211aadb3d6e7acc4b10ab555457b011ce446b94e8f8ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5ad7f39d840fcc8a445b8456aacfe31c4faffc45d43224b26d6d5e791b75108",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2020-03-06T14:57:59Z",
    "title_canon_sha256": "23cebc14717a7d5c1e693ad47a3fee43c2e737e5ddcc5d48e0479f790181156f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.04737",
    "kind": "arxiv",
    "version": 1
  }
}