Pith Number

pith:FAQMNSE5

pith:2017:FAQMNSE5RENGMAHMGI7H4F56RZ

not attested not anchored not stored refs pending

A note on the Laplace transform and the variable-order differential operators

E. Capelas de Oliveira, J. Vanterler da C. Sousa

arxiv:1712.00623 v1 · 2017-12-02 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FAQMNSE5RENGMAHMGI7H4F56RZ}

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	2026-05-18T00:29:04.583673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2820c6c89d891a6600ec323e7e17be8e5e8640492ac19c4564fb538dd8a00588

Aliases

arxiv: 1712.00623 · arxiv_version: 1712.00623v1 · doi: 10.48550/arxiv.1712.00623 · pith_short_12: FAQMNSE5RENG · pith_short_16: FAQMNSE5RENGMAHM · pith_short_8: FAQMNSE5

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/FAQMNSE5RENGMAHMGI7H4F56RZ \
  | 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: 2820c6c89d891a6600ec323e7e17be8e5e8640492ac19c4564fb538dd8a00588

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f3c4a8f5584c6b578c505a13eae04b4b4f7e00beb6ebdd62ea5ac0668f38a9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-12-02T15:33:30Z",
    "title_canon_sha256": "73efc9cf98c2fd1a72754f587f899643290d754dda7c5a53d5f53088db847164"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00623",
    "kind": "arxiv",
    "version": 1
  }
}