Pith Number

pith:JBMRKZPT

pith:2010:JBMRKZPTBX7WQAODWRFUUE2NK5

not attested not anchored not stored refs pending

Implicitly Restarted Generalized Second-order Arnoldi Type Algorithms for the Quadratic Eigenvalue Problem

Yuquan Sun, Zhongxiao Jia

arxiv:1005.3947 v6 · 2010-05-21 · 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{JBMRKZPTBX7WQAODWRFUUE2NK5}

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	2026-05-18T02:23:48.299168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48591565f30dff6801c3b44b4a134d5757df79f413c3dd16efadfb9d1ecc8a98

Aliases

arxiv: 1005.3947 · arxiv_version: 1005.3947v6 · doi: 10.48550/arxiv.1005.3947 · pith_short_12: JBMRKZPTBX7W · pith_short_16: JBMRKZPTBX7WQAOD · pith_short_8: JBMRKZPT

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/JBMRKZPTBX7WQAODWRFUUE2NK5 \
  | 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: 48591565f30dff6801c3b44b4a134d5757df79f413c3dd16efadfb9d1ecc8a98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a38fae976df33a8a8f96652607baa03fc1bca0a5425aa2680e7a14f3ad283878",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2010-05-21T13:00:14Z",
    "title_canon_sha256": "3edf42fef11967897fbdb7f2cb0582c50ffa7bc0694e8458b1cd4e59c92b5b92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.3947",
    "kind": "arxiv",
    "version": 6
  }
}