Pith Number

pith:O4YXQPJJ

pith:2012:O4YXQPJJDB67X7NFVVT5V7LXI7

not attested not anchored not stored refs pending

Univariate interpolation by exponential functions and gaussian RBFs for generic sets of nodes

Dmitry Yarotsky

arxiv:1205.5961 v2 · 2012-05-27 · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O4YXQPJJDB67X7NFVVT5V7LXI7}

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	2026-05-18T03:38:23.507726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7731783d29187dfbfda5ad67dafd7747e2b9a595eae3415027b2889801607e7c

Aliases

arxiv: 1205.5961 · arxiv_version: 1205.5961v2 · doi: 10.48550/arxiv.1205.5961 · pith_short_12: O4YXQPJJDB67 · pith_short_16: O4YXQPJJDB67X7NF · pith_short_8: O4YXQPJJ

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/O4YXQPJJDB67X7NFVVT5V7LXI7 \
  | 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: 7731783d29187dfbfda5ad67dafd7747e2b9a595eae3415027b2889801607e7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "504bc6c25a91d3019c83fe8211767381a599b40a35780bc12ddebfe3d3513cbc",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-05-27T12:43:04Z",
    "title_canon_sha256": "999d8081572fccdd7a2a752a584a046ddf9010d73617bca9a28b231b36941888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5961",
    "kind": "arxiv",
    "version": 2
  }
}