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Pith Number

pith:42EWS7NO

pith:2016:42EWS7NOUFULOLVV4YLZBTDIDH
not attested not anchored not stored refs pending

Convergence of the Cyclic and Quasi-cyclic Block Jacobi Methods

Erna Begovic, Vjeran Hari

arxiv:1604.05825 v3 · 2016-04-20 · math.NA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{42EWS7NOUFULOLVV4YLZBTDIDH}

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 2026-05-18T00:41:46.485161Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e689697daea168b72eb5e61790cc6819dd5a25efe8588e486918adcec299024a

Aliases

arxiv: 1604.05825 · arxiv_version: 1604.05825v3 · doi: 10.48550/arxiv.1604.05825 · pith_short_12: 42EWS7NOUFUL · pith_short_16: 42EWS7NOUFULOLVV · pith_short_8: 42EWS7NO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/42EWS7NOUFULOLVV4YLZBTDIDH \
  | 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: e689697daea168b72eb5e61790cc6819dd5a25efe8588e486918adcec299024a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "09f72cfb647b95d43a2b5c17f49d5e4ac2c19921d7b4f052dfe673d425c86077",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-04-20T05:40:00Z",
    "title_canon_sha256": "258d137651cbf55ccde3375af93e9b3c2929d657bc5e842a99638882145429b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05825",
    "kind": "arxiv",
    "version": 3
  }
}