Pith Number

pith:2HQJXA7V

pith:2018:2HQJXA7VOG7WCSWKKTKWREAGFZ

not attested not anchored not stored refs pending

Volterra-type convolution of classical polynomials

Ana F. Loureiro, Kuan Xu

arxiv:1804.10144 v1 · 2018-04-26 · 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{2HQJXA7VOG7WCSWKKTKWREAGFZ}

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	2026-05-18T00:17:25.048748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1e09b83f571bf614aca54d56890062e6df43a8470a9326b109e2264664c6447

Aliases

arxiv: 1804.10144 · arxiv_version: 1804.10144v1 · doi: 10.48550/arxiv.1804.10144 · pith_short_12: 2HQJXA7VOG7W · pith_short_16: 2HQJXA7VOG7WCSWK · pith_short_8: 2HQJXA7V

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/2HQJXA7VOG7WCSWKKTKWREAGFZ \
  | 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: d1e09b83f571bf614aca54d56890062e6df43a8470a9326b109e2264664c6447

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4b3b17dae4660538b27212958d95f7b3b6a44d141b440be4f6b7326029e77ee",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-04-26T16:17:18Z",
    "title_canon_sha256": "7d8ac82df7b28e4fcda8c8d65f0427ec335d75857fba9f4b07fa9979e47b5f10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10144",
    "kind": "arxiv",
    "version": 1
  }
}