Pith Number

pith:NG25IPHK

pith:2011:NG25IPHKTU63C4JFTHQRU73U2Z

not attested not anchored not stored refs pending

The Ehrlich-Aberth method for palindromic matrix polynomials represented in the Dickson basis

Luca Gemignani, Vanni Noferini

arxiv:1111.2974 v1 · 2011-11-12 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NG25IPHKTU63C4JFTHQRU73U2Z}

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	2026-05-18T04:08:23.358549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69b5d43cea9d3db1712599e11a7f74d64182f55e02f597346f07d0a2918d1051

Aliases

arxiv: 1111.2974 · arxiv_version: 1111.2974v1 · doi: 10.48550/arxiv.1111.2974 · pith_short_12: NG25IPHKTU63 · pith_short_16: NG25IPHKTU63C4JF · pith_short_8: NG25IPHK

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/NG25IPHKTU63C4JFTHQRU73U2Z \
  | 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: 69b5d43cea9d3db1712599e11a7f74d64182f55e02f597346f07d0a2918d1051

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d23f3bd3f981a489a9a83fc0d3b21ebc61a785d5a2d903971ef9d8551862e481",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-11-12T23:27:28Z",
    "title_canon_sha256": "e6db88f82f489a649d7c635a57d9a5c6db430c8071feb18b7fd02edb829de103"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2974",
    "kind": "arxiv",
    "version": 1
  }
}