Pith Number

pith:LIL7R3Q2

pith:2015:LIL7R3Q2KKNKZSUB3UQCAG5B5F

not attested not anchored not stored refs pending

Large-scale linear regression: Development of high-performance routines

Alvaro Frank, Diego Fabregat-Traver, Paolo Bientinesi

arxiv:1504.07890 v1 · 2015-04-29 · cs.CE · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LIL7R3Q2KKNKZSUB3UQCAG5B5F}

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	2026-05-18T02:17:31.985146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a17f8ee1a529aacca81dd20201ba1e97ef1ba11ec1e57360e3058a3a7018be9

Aliases

arxiv: 1504.07890 · arxiv_version: 1504.07890v1 · doi: 10.48550/arxiv.1504.07890 · pith_short_12: LIL7R3Q2KKNK · pith_short_16: LIL7R3Q2KKNKZSUB · pith_short_8: LIL7R3Q2

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/LIL7R3Q2KKNKZSUB3UQCAG5B5F \
  | 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: 5a17f8ee1a529aacca81dd20201ba1e97ef1ba11ec1e57360e3058a3a7018be9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44f1cd5a30ab8cb4ce66657dc82ab8a39bebc7be87504de071445005de4b2266",
    "cross_cats_sorted": [
      "cs.MS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2015-04-29T15:24:33Z",
    "title_canon_sha256": "724973ea9b21074060699d859dbe1a68ae58e0531bc0c41859d3eb3afa2be2a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07890",
    "kind": "arxiv",
    "version": 1
  }
}