Pith Number

pith:ISRZK7PT

pith:2019:ISRZK7PT7TL3DRT2U5HKPXWCFV

not attested not anchored not stored refs pending

Pad\'{e}-type approximations to the resolvent of fractional powers of operators

Lidia Aceto, Paolo Novati

arxiv:1905.06745 v1 · 2019-05-16 · math.NA · cs.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{ISRZK7PT7TL3DRT2U5HKPXWCFV}

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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	2026-06-04T20:14:31.208412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44a3957df3fcd7b1c67aa74ea7dec22d70ab1781385cce27d2cc25837225b82a

Aliases

arxiv: 1905.06745 · arxiv_version: 1905.06745v1 · doi: 10.48550/arxiv.1905.06745 · pith_short_12: ISRZK7PT7TL3 · pith_short_16: ISRZK7PT7TL3DRT2 · pith_short_8: ISRZK7PT

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/ISRZK7PT7TL3DRT2U5HKPXWCFV \
  | 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: 44a3957df3fcd7b1c67aa74ea7dec22d70ab1781385cce27d2cc25837225b82a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04c2d83038b40ccd90c4b1f39a88804b0942f934b53ea00a327a542d8eb32c35",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-05-16T13:37:11Z",
    "title_canon_sha256": "be35357c8d7babfea134affe15b0a2556172a563fd44291d0752a0d3413a5009"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06745",
    "kind": "arxiv",
    "version": 1
  }
}