Pith Number

pith:OXVPVX2M

pith:2019:OXVPVX2MZOZ46UOGBAZ5OGCTS5

not attested not anchored not stored refs pending

A Pseudospectral Method for the One-Dimensional Fractional Laplacian on $\mathbb R$

Carlota M. Cuesta, Francisco de la Hoz, Jorge Cayama

arxiv:1908.09143 v1 · 2019-08-24 · 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{OXVPVX2MZOZ46UOGBAZ5OGCTS5}

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	2026-07-04T23:59:37.154369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75eafadf4ccbb3cf51c60833d7185397561df6f009241b836e76881393500fba

Aliases

arxiv: 1908.09143 · arxiv_version: 1908.09143v1 · doi: 10.48550/arxiv.1908.09143 · pith_short_12: OXVPVX2MZOZ4 · pith_short_16: OXVPVX2MZOZ46UOG · pith_short_8: OXVPVX2M

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/OXVPVX2MZOZ46UOGBAZ5OGCTS5 \
  | 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: 75eafadf4ccbb3cf51c60833d7185397561df6f009241b836e76881393500fba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "507adf4a119ca8b0eb3a0c9b23b1c7d81a7211e2aabfba23440e714fe6129b50",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-24T14:45:42Z",
    "title_canon_sha256": "b8705a461a4e0e234de8ef967b6951120028b50fb87fe5de9c763e63a21c2712"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09143",
    "kind": "arxiv",
    "version": 1
  }
}