Pith Number

pith:KUAF5CU6

pith:2018:KUAF5CU6JLWRCHURAICSYO3BH2

not attested not anchored not stored refs pending

Exact smooth piecewise polynomial sequences on Alfeld splits

Guosheng Fu, Johnny Guzman, Michael Neilan

arxiv:1807.05883 v1 · 2018-07-16 · 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{KUAF5CU6JLWRCHURAICSYO3BH2}

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	2026-05-18T00:10:42.318102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55005e8a9e4aed111e9102052c3b613ea9c4bed65e8f7ddcd5632b2a95702527

Aliases

arxiv: 1807.05883 · arxiv_version: 1807.05883v1 · doi: 10.48550/arxiv.1807.05883 · pith_short_12: KUAF5CU6JLWR · pith_short_16: KUAF5CU6JLWRCHUR · pith_short_8: KUAF5CU6

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/KUAF5CU6JLWRCHURAICSYO3BH2 \
  | 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: 55005e8a9e4aed111e9102052c3b613ea9c4bed65e8f7ddcd5632b2a95702527

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37ca97f6afffd2c06439b23a0d0aeed234565c1e727bb0af1e5035fad94f69ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-16T14:24:52Z",
    "title_canon_sha256": "188eeccf1910cc68619336d3a1ae5b4c271a25021f0737954fc18a1fac0aa39b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05883",
    "kind": "arxiv",
    "version": 1
  }
}