Pith Number

pith:OZCYZIR4

pith:2014:OZCYZIR4EPTJWCNL6TORU3AUJA

not attested not anchored not stored refs pending

The Scaling, Splitting and Squaring Method for the Exponential of Perturbed Matrices

Muaz Seydao\u{g}lu, Philipp Bader, Sergio Blanes

arxiv:1407.7485 v1 · 2014-07-28 · 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{OZCYZIR4EPTJWCNL6TORU3AUJA}

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	2026-05-18T01:25:03.304933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76458ca23c23e69b09abf4dd1a6c1448289c2469b01bc6f5c678808085a06848

Aliases

arxiv: 1407.7485 · arxiv_version: 1407.7485v1 · doi: 10.48550/arxiv.1407.7485 · pith_short_12: OZCYZIR4EPTJ · pith_short_16: OZCYZIR4EPTJWCNL · pith_short_8: OZCYZIR4

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/OZCYZIR4EPTJWCNL6TORU3AUJA \
  | 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: 76458ca23c23e69b09abf4dd1a6c1448289c2469b01bc6f5c678808085a06848

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b85c50e91ceeb6ff949e288a754e44aaf5ea1644a70f434ec133bae6ce14d54b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-07-28T18:08:34Z",
    "title_canon_sha256": "852c87dac408dde04ba0402ade09c316d1c149639a7fd347c40d205807302d97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7485",
    "kind": "arxiv",
    "version": 1
  }
}