Pith Number

pith:6UJSD235

pith:2024:6UJSD235N2QGOIFG44GLNYPMQP

not attested not anchored not stored refs pending

Least SQuares Discretizations (LSQD): a robust and versatile meshless paradigm for solving elliptic PDEs

Anna Kucherova, Gbocho M. Terasaki, Maxime Theillard, Selma Strango

arxiv:2406.13872 v1 · 2024-06-19 · 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{6UJSD235N2QGOIFG44GLNYPMQP}

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	2026-07-05T08:34:35.717017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f51321eb7d6ea06720a6e70cb6e1ec83f1a9d019f05e795444e87f42b1868fe0

Aliases

arxiv: 2406.13872 · arxiv_version: 2406.13872v1 · doi: 10.48550/arxiv.2406.13872 · pith_short_12: 6UJSD235N2QG · pith_short_16: 6UJSD235N2QGOIFG · pith_short_8: 6UJSD235

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/6UJSD235N2QGOIFG44GLNYPMQP \
  | 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: f51321eb7d6ea06720a6e70cb6e1ec83f1a9d019f05e795444e87f42b1868fe0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84cdb87166ef0c97f35205a7e5c922fad30d1da5d24cc41c9ae7f2bfdb780ac6",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-06-19T22:29:34Z",
    "title_canon_sha256": "080379fda3c0902aba8cc96624d50a5143cfdcd6ae157f7d3442cbd6af5dd127"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.13872",
    "kind": "arxiv",
    "version": 1
  }
}