Pith Number

pith:DZL6UWW6

pith:2018:DZL6UWW66ZYRKSSSUL7EE2IO6I

not attested not anchored not stored refs pending

On the spectral properties of nonsingular matrices that are strictly sign-regular for some order with applications to totally positive discrete-time systems

J\"urgen Garloff, Michael Margaliot, Rola Alseidi

arxiv:1810.11358 v1 · 2018-10-26 · 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{DZL6UWW66ZYRKSSSUL7EE2IO6I}

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	2026-05-18T00:02:14.371764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e57ea5adef671154a52a2fe42690ef2231092cc884c0c91f1a7885954e9e93c

Aliases

arxiv: 1810.11358 · arxiv_version: 1810.11358v1 · doi: 10.48550/arxiv.1810.11358 · pith_short_12: DZL6UWW66ZYR · pith_short_16: DZL6UWW66ZYRKSSS · pith_short_8: DZL6UWW6

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/DZL6UWW66ZYRKSSSUL7EE2IO6I \
  | 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: 1e57ea5adef671154a52a2fe42690ef2231092cc884c0c91f1a7885954e9e93c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84c2444d5da9b76e13ae4ba87ee8a3414940c7afe3a3409c68614349183c17b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-10-26T15:03:06Z",
    "title_canon_sha256": "0673110b7c16b9b926880a8a820f58e815e5159dbd8e550f228a9c349543b94c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11358",
    "kind": "arxiv",
    "version": 1
  }
}