Pith Number

pith:SWBBPSR7

pith:2011:SWBBPSR7GYPTGZZMRRPQMAKAWW

not attested not anchored not stored refs pending

Convergence analysis of a Pad\'{e} family of iterations for the matrix sector function

Dmitry B. Karp, Minghua Lin

arxiv:1102.3957 v1 · 2011-02-19 · math.CA · 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{SWBBPSR7GYPTGZZMRRPQMAKAWW}

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	2026-05-18T04:28:19.442982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

958217ca3f361f33672c8c5f060140b58b18bb55e456d1df52104875cac90d2b

Aliases

arxiv: 1102.3957 · arxiv_version: 1102.3957v1 · doi: 10.48550/arxiv.1102.3957 · pith_short_12: SWBBPSR7GYPT · pith_short_16: SWBBPSR7GYPTGZZM · pith_short_8: SWBBPSR7

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/SWBBPSR7GYPTGZZMRRPQMAKAWW \
  | 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: 958217ca3f361f33672c8c5f060140b58b18bb55e456d1df52104875cac90d2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6929a097c2ed8773f539f499a60947b24c867653daa0e6fc057162d55d4446f7",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2011-02-19T03:41:57Z",
    "title_canon_sha256": "a281c17a429da0c14806e000e2cb633cc0752f06c4dfc3cab6f3faaf4578ab9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3957",
    "kind": "arxiv",
    "version": 1
  }
}