Pith Number

pith:4FOIUSAZ

pith:2016:4FOIUSAZE7J44EBQK72R3BUSFP

not attested not anchored not stored refs pending

Regularity theory and high order numerical methods for the (1d)-Fractional Laplacian

Gabriel Acosta, Juan Pablo Borthagaray, Mart\'in Maas, Oscar Bruno

arxiv:1608.08443 v2 · 2016-08-30 · math.NA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FOIUSAZE7J44EBQK72R3BUSFP}

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	2026-05-18T00:44:57.779117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e15c8a481927d3ce103057f51d86922bfd70ed00978d1bda717703e32a5065f2

Aliases

arxiv: 1608.08443 · arxiv_version: 1608.08443v2 · doi: 10.48550/arxiv.1608.08443 · pith_short_12: 4FOIUSAZE7J4 · pith_short_16: 4FOIUSAZE7J44EBQ · pith_short_8: 4FOIUSAZ

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/4FOIUSAZE7J44EBQK72R3BUSFP \
  | 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: e15c8a481927d3ce103057f51d86922bfd70ed00978d1bda717703e32a5065f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8310b242e426415c5c0fe67d0c3faaee03e379621cd7999468be7b78c02bc39",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-08-30T13:37:32Z",
    "title_canon_sha256": "9543babe03e661656a245930cecd173b78c40f1cd7988eb30e2e8aa4f8e45730"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08443",
    "kind": "arxiv",
    "version": 2
  }
}