Pith Number

pith:BNZUIKM4

pith:2014:BNZUIKM4NNCB4T47QWX2L6UVE2

not attested not anchored not stored refs pending

A New Highly Parallel Non-Hermitian Eigensolver

Eric Polizzi, James Kestyn, Ping Tak Peter Tang

arxiv:1404.2891 v1 · 2014-04-10 · math.NA · cs.MS · cs.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{BNZUIKM4NNCB4T47QWX2L6UVE2}

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	2026-05-18T02:54:28.283117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b7344299c6b441e4f9f85afa5fa95268ce462f4e106133fc296ec790775662e

Aliases

arxiv: 1404.2891 · arxiv_version: 1404.2891v1 · doi: 10.48550/arxiv.1404.2891 · pith_short_12: BNZUIKM4NNCB · pith_short_16: BNZUIKM4NNCB4T47 · pith_short_8: BNZUIKM4

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/BNZUIKM4NNCB4T47QWX2L6UVE2 \
  | 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: 0b7344299c6b441e4f9f85afa5fa95268ce462f4e106133fc296ec790775662e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87e1bae89252ff372c8b1b0a9d986701736445d614644d1bf042417173e4854e",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-04-10T17:59:44Z",
    "title_canon_sha256": "0b0ea5749bb9a55c57f2293e4a49d8c8fde745b1aefb24589045d108c623a320"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2891",
    "kind": "arxiv",
    "version": 1
  }
}