Pith Number

pith:BJQEBY2L

pith:2018:BJQEBY2LEVZONI63IB5THL66HD

not attested not anchored not stored refs pending

A Fourier extension based numerical integration scheme for fast and high-order approximation of convolutions with weakly singular kernels

Akash Anand, Awanish Kumar Tiwari

arxiv:1810.03835 v1 · 2018-10-09 · 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{BJQEBY2LEVZONI63IB5THL66HD}

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	2026-05-18T00:03:44.429489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a6040e34b2572e6a3db407b33afde38fccbe8b637aab744fd168011ffc7b853

Aliases

arxiv: 1810.03835 · arxiv_version: 1810.03835v1 · doi: 10.48550/arxiv.1810.03835 · pith_short_12: BJQEBY2LEVZO · pith_short_16: BJQEBY2LEVZONI63 · pith_short_8: BJQEBY2L

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/BJQEBY2LEVZONI63IB5THL66HD \
  | 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: 0a6040e34b2572e6a3db407b33afde38fccbe8b637aab744fd168011ffc7b853

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d8c13517fc02aaf712590af39dc7cd8c7ade7208afdb8ade8dd76b122e35c45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-10-09T06:45:16Z",
    "title_canon_sha256": "d93b3ec43b521f0f8c18a99197ec8c1a7f4c21157a2c0696536900501ec9c095"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03835",
    "kind": "arxiv",
    "version": 1
  }
}