Pith Number

pith:KTYFUDUO

pith:2018:KTYFUDUONJ7LPXUJU6LHJJBYK4

not attested not anchored not stored refs pending

The Runge Example for Interpolation and Wilkinson's Examples for Rootfinding

Leili Rafiee Sevyeri, Robert M. Corless

arxiv:1804.08561 v1 · 2018-04-23 · 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{KTYFUDUONJ7LPXUJU6LHJJBYK4}

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	2026-05-18T00:17:47.921335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54f05a0e8e6a7eb7de89a79674a438573c532a8ec2a51bc6272c9c0b0657a471

Aliases

arxiv: 1804.08561 · arxiv_version: 1804.08561v1 · doi: 10.48550/arxiv.1804.08561 · pith_short_12: KTYFUDUONJ7L · pith_short_16: KTYFUDUONJ7LPXUJ · pith_short_8: KTYFUDUO

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/KTYFUDUONJ7LPXUJU6LHJJBYK4 \
  | 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: 54f05a0e8e6a7eb7de89a79674a438573c532a8ec2a51bc6272c9c0b0657a471

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6a19e7b8de90489359472253dbca4f6c14e8b4a0cdee38af5cd44c02a7f1768",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-23T16:54:36Z",
    "title_canon_sha256": "506b2d0c8240a3bb4b529589e5cf7961327dd42f50c7019a8f689a39ad8fdfa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08561",
    "kind": "arxiv",
    "version": 1
  }
}