Pith Number

pith:HM4W3DAE

pith:2025:HM4W3DAEUAUPXT72ROEBBJ34CN

not attested not anchored not stored refs pending

Convergence analysis of Lie and Strang splitting for operator-valued differential Riccati equations

Eskil Hansen, Teodor {\AA}berg, Tony Stillfjord

arxiv:2504.18358 v1 · 2025-04-25 · math.NA · cs.NA · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HM4W3DAEUAUPXT72ROEBBJ34CN}

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	2026-06-24T01:14:57.038984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b396d8c04a028fbcffa8b8810a77c1348e0a17e7dbf64eab658c8d013855542

Aliases

arxiv: 2504.18358 · arxiv_version: 2504.18358v1 · doi: 10.48550/arxiv.2504.18358 · pith_short_12: HM4W3DAEUAUP · pith_short_16: HM4W3DAEUAUPXT72 · pith_short_8: HM4W3DAE

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/HM4W3DAEUAUPXT72ROEBBJ34CN \
  | 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: 3b396d8c04a028fbcffa8b8810a77c1348e0a17e7dbf64eab658c8d013855542

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b44813f7c1d82fa89edae1785df7a572c41038f2eaf530704992549ee2bfe72",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-04-25T13:59:38Z",
    "title_canon_sha256": "7ce78abd9039332565c60efb68c92da7904bfa1698ec01fcac326fc31bbaa69d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.18358",
    "kind": "arxiv",
    "version": 1
  }
}