Pith Number

pith:2RRB5VOM

pith:2018:2RRB5VOMEYBQVUIBV6RCTE7HCJ

not attested not anchored not stored refs pending

Automatic rational approximation and linearization of nonlinear eigenvalue problems

Bart Vandereycken, Javier P\'erez, Karl Meerbergen, Pieter Lietaert

arxiv:1801.08622 v2 · 2018-01-25 · 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{2RRB5VOMEYBQVUIBV6RCTE7HCJ}

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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.

Cited by

1 paper in Pith

Local Linearizations of Rational Matrices with Application to Rational Approximations of Nonlinear Eigenvalue Problems

Receipt and verification

First computed	2026-05-18T00:24:33.193471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4621ed5cc26030ad101afa22993e7127cebc7777531c13c1a250f3d58d389ab

Aliases

arxiv: 1801.08622 · arxiv_version: 1801.08622v2 · doi: 10.48550/arxiv.1801.08622 · pith_short_12: 2RRB5VOMEYBQ · pith_short_16: 2RRB5VOMEYBQVUIB · pith_short_8: 2RRB5VOM

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/2RRB5VOMEYBQVUIBV6RCTE7HCJ \
  | 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: d4621ed5cc26030ad101afa22993e7127cebc7777531c13c1a250f3d58d389ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9feb683ac5d80e6eb8519db2394bc51a4fa2bf965e16e70c820b7f755993a6f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-25T22:24:43Z",
    "title_canon_sha256": "c000bc61eaf06bbefb9e3eb874ef31d24bf6553eb8fba9ac9f3f7f59605128d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08622",
    "kind": "arxiv",
    "version": 2
  }
}