Pith Number

pith:2ZFSYB3S

pith:2009:2ZFSYB3SXAJEFEUIC6BVHVIEOS

not attested not anchored not stored refs pending

PetRBF--A parallel O(N) algorithm for radial basis function interpolation

L. A. Barba, Matthew G. Knepley, Rio Yokota

arxiv:0909.5413 v1 · 2009-09-29 · cs.MS · cs.DC · cs.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{2ZFSYB3SXAJEFEUIC6BVHVIEOS}

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	2026-05-18T04:12:44.965094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d64b2c0772b812429288178353d50474bab642f01f3f1e75d4e4ddf0f5ecc82f

Aliases

arxiv: 0909.5413 · arxiv_version: 0909.5413v1 · doi: 10.48550/arxiv.0909.5413 · pith_short_12: 2ZFSYB3SXAJE · pith_short_16: 2ZFSYB3SXAJEFEUI · pith_short_8: 2ZFSYB3S

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/2ZFSYB3SXAJEFEUIC6BVHVIEOS \
  | 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: d64b2c0772b812429288178353d50474bab642f01f3f1e75d4e4ddf0f5ecc82f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2115ce6398183a1f0143ea910db5ebf8fba274147488a6144013efef509c09ea",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2009-09-29T19:27:51Z",
    "title_canon_sha256": "11bef1ab8448ae1cc28532db67e794f5f73e3385c6ab01a974b2ad654b068130"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5413",
    "kind": "arxiv",
    "version": 1
  }
}