Pith Number

pith:MF2FU4OG

pith:2022:MF2FU4OG63F7OPWEGXOIV7A5AB

not attested not anchored not stored refs pending

Improved Laguerre Spectral Methods with Less Round-off Errors and Better Stability

Haijun Yu, Shenghe Huang

arxiv:2212.13255 v1 · 2022-12-26 · math.NA · 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{MF2FU4OG63F7OPWEGXOIV7A5AB}

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	2026-05-20T00:00:13.615628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61745a71c6f6cbf73ec435dc8afc1d00679ed800e73ee4185dc35e1d7928c688

Aliases

arxiv: 2212.13255 · arxiv_version: 2212.13255v1 · doi: 10.48550/arxiv.2212.13255 · pith_short_12: MF2FU4OG63F7 · pith_short_16: MF2FU4OG63F7OPWE · pith_short_8: MF2FU4OG

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/MF2FU4OG63F7OPWEGXOIV7A5AB \
  | 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: 61745a71c6f6cbf73ec435dc8afc1d00679ed800e73ee4185dc35e1d7928c688

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cc09f73b0ab7ea1cd238410d9f97c958d0fdf43d3138df6fa195c5a922329dd",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-12-26T18:52:50Z",
    "title_canon_sha256": "8de1f01e51c888a9a6e83e197ea7955b90c287268a32c0a34b00dbd360632b98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.13255",
    "kind": "arxiv",
    "version": 1
  }
}