Pith Number

pith:TVYZKQII

pith:2012:TVYZKQII5KFIBPSIDEGM22BLQU

not attested not anchored not stored refs pending

Solving polynomial eigenvalue problems by means of the Ehrlich-Aberth method

Dario A. Bini, V. Noferini

arxiv:1207.6292 v1 · 2012-07-26 · 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{TVYZKQII5KFIBPSIDEGM22BLQU}

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	2026-05-18T03:50:00.555641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d71954108ea8a80be48190ccd682b8511c3798ac2059afcd378d1caef81c209

Aliases

arxiv: 1207.6292 · arxiv_version: 1207.6292v1 · doi: 10.48550/arxiv.1207.6292 · pith_short_12: TVYZKQII5KFI · pith_short_16: TVYZKQII5KFIBPSI · pith_short_8: TVYZKQII

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/TVYZKQII5KFIBPSIDEGM22BLQU \
  | 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: 9d71954108ea8a80be48190ccd682b8511c3798ac2059afcd378d1caef81c209

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68886d64162869f3e4e9704bac9d497d95b6251fc1c960cf79474f2da8b88603",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-07-26T15:01:35Z",
    "title_canon_sha256": "11a0f600416c2ab4f5aaa04b6ffcd02bfe141f655d0e1350206c417564096963"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.6292",
    "kind": "arxiv",
    "version": 1
  }
}