Pith Number

pith:ZOP3YEOC

pith:2012:ZOP3YEOCD6CFN7UGAU5IXP7IFD

not attested not anchored not stored refs pending

Computing a partial Schur factorization of nonlinear eigenvalue problems using the infinite Arnoldi method

Elias Jarlebring, Karl Meerbergen, Wim Michiels

arxiv:1202.3235 v1 · 2012-02-15 · 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{ZOP3YEOCD6CFN7UGAU5IXP7IFD}

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	2026-05-18T04:02:14.335643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb9fbc11c21f8456fe86053a8bbfe828ddba0d84276bc952acb2896cdf66456c

Aliases

arxiv: 1202.3235 · arxiv_version: 1202.3235v1 · doi: 10.48550/arxiv.1202.3235 · pith_short_12: ZOP3YEOCD6CF · pith_short_16: ZOP3YEOCD6CFN7UG · pith_short_8: ZOP3YEOC

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/ZOP3YEOCD6CFN7UGAU5IXP7IFD \
  | 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: cb9fbc11c21f8456fe86053a8bbfe828ddba0d84276bc952acb2896cdf66456c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c465d4432ade8acc886f3eaf193e03c8a130884942226b930211986068894058",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-02-15T08:56:54Z",
    "title_canon_sha256": "f45a9994699c3e46867c47cbdce9acd0542fbe5c342b11406d80e3a3cafc93b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3235",
    "kind": "arxiv",
    "version": 1
  }
}