Pith Number

pith:LYZBK63F

pith:2015:LYZBK63F3CKUFEWCWAOOO5E6DR

not attested not anchored not stored refs pending

Enhancing Sparsity of Hermite Polynomial Expansions by Iterative Rotations

Guang Lin, Huan Lei, Nathan A. Baker, Xiu Yang

arxiv:1506.04344 v2 · 2015-06-14 · math.ST · math.NA · math.OC · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LYZBK63F3CKUFEWCWAOOO5E6DR}

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	2026-05-18T01:19:34.306072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e32157b65d8954292c2b01ce7749e1c42e63f1c6368529b524c9da383e812bb

Aliases

arxiv: 1506.04344 · arxiv_version: 1506.04344v2 · doi: 10.48550/arxiv.1506.04344 · pith_short_12: LYZBK63F3CKU · pith_short_16: LYZBK63F3CKUFEWC · pith_short_8: LYZBK63F

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/LYZBK63F3CKUFEWCWAOOO5E6DR \
  | 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: 5e32157b65d8954292c2b01ce7749e1c42e63f1c6368529b524c9da383e812bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e99d558bf02abee8449da9b9a64061e3e05a0ecc471eb6cbce27dd9cd5e58b6c",
    "cross_cats_sorted": [
      "math.NA",
      "math.OC",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-06-14T01:58:51Z",
    "title_canon_sha256": "063c2cafbd42388038354dee5e8f5ae913d2eba0abadb412db4aef8a30150829"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04344",
    "kind": "arxiv",
    "version": 2
  }
}