Pith Number

pith:UKHBDX6I

pith:2018:UKHBDX6IKYVS6Y7C4WYPFPNM4C

not attested not anchored not stored refs pending

A stabilized radial basis-finite difference (RBF-FD) method with hybrid kernels

Gregory E Fasshauer, Leevan Ling, Mrinal K Sen, Pankaj K Mishra

arxiv:1812.06665 v1 · 2018-12-17 · 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{UKHBDX6IKYVS6Y7C4WYPFPNM4C}

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	2026-05-17T23:56:57.993402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a28e11dfc8562b2f63e2e5b0f2bdace0a4e6e2e09ea9deff8accaa408e87a276

Aliases

arxiv: 1812.06665 · arxiv_version: 1812.06665v1 · doi: 10.48550/arxiv.1812.06665 · pith_short_12: UKHBDX6IKYVS · pith_short_16: UKHBDX6IKYVS6Y7C · pith_short_8: UKHBDX6I

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/UKHBDX6IKYVS6Y7C4WYPFPNM4C \
  | 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: a28e11dfc8562b2f63e2e5b0f2bdace0a4e6e2e09ea9deff8accaa408e87a276

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36d50ed72cd1627ce7dfdf90772f73ce12da7cf8a63be3e03e2f0f366b6aa682",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-12-17T09:28:04Z",
    "title_canon_sha256": "4969e18ea62f6a5d110ffb3d41b4b9e7497f827a39dbda54b38b3a0d37ab5f06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06665",
    "kind": "arxiv",
    "version": 1
  }
}