Pith Number

pith:MS72VEZX

pith:2014:MS72VEZXTNCZ3RIAH7MVM537YP

not attested not anchored not stored refs pending

Preconditioned Locally Harmonic Residual Method for Computing Interior Eigenpairs of Certain Classes of Hermitian Matrices

Andrew Knyazev, Eugene Vecharynski

arxiv:1408.0042 v2 · 2014-07-31 · 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{MS72VEZXTNCZ3RIAH7MVM537YP}

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	2026-05-18T01:01:52.576608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64bfaa93379b459dc5003fd956777fc3df45e5a82344861a63684ee08a51b3a4

Aliases

arxiv: 1408.0042 · arxiv_version: 1408.0042v2 · doi: 10.48550/arxiv.1408.0042 · pith_short_12: MS72VEZXTNCZ · pith_short_16: MS72VEZXTNCZ3RIA · pith_short_8: MS72VEZX

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/MS72VEZXTNCZ3RIAH7MVM537YP \
  | 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: 64bfaa93379b459dc5003fd956777fc3df45e5a82344861a63684ee08a51b3a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1605013f1112424e6d26a27bc10776f283800b130ac8a1d2274360205d44572e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-07-31T23:27:09Z",
    "title_canon_sha256": "31eef867f1a64d3eb0ed4861d0a49d253ec5b71f2c4f22300c78afd1e1d1de3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0042",
    "kind": "arxiv",
    "version": 2
  }
}