Pith Number

pith:Y4VYCS6O

pith:2020:Y4VYCS6ODNP5XOA6EJCVBI2VUN

not attested not anchored not stored refs pending

Tensor-Krylov method for computing eigenvalues of parameter-dependent matrices

Karl Meerbergen, Koen Ruymbeek, Wim Michiels

arxiv:2006.07473 v2 · 2020-06-12 · math.NA · 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{Y4VYCS6ODNP5XOA6EJCVBI2VUN}

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	2026-07-05T02:00:11.357771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c72b814bce1b5fdbb81e224550a355a355e708c5ac95aa8824e300d0800e8a7f

Aliases

arxiv: 2006.07473 · arxiv_version: 2006.07473v2 · doi: 10.48550/arxiv.2006.07473 · pith_short_12: Y4VYCS6ODNP5 · pith_short_16: Y4VYCS6ODNP5XOA6 · pith_short_8: Y4VYCS6O

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/Y4VYCS6ODNP5XOA6EJCVBI2VUN \
  | 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: c72b814bce1b5fdbb81e224550a355a355e708c5ac95aa8824e300d0800e8a7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ed7796ecd5f9c89e376b4c8c0eebada40ef53c04af2656b0bd46443c1db5365",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-06-12T21:15:22Z",
    "title_canon_sha256": "b1a9c50aa292793109a5cb4cf59c779fb841961e16c698bae3c4fdfe2de57ad1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.07473",
    "kind": "arxiv",
    "version": 2
  }
}