Pith Number

pith:UKPFQCJY

pith:2015:UKPFQCJYYPOFZSFE6OVADPQ3AJ

not attested not anchored not stored refs pending

Accelerating R with high performance linear algebra libraries

Bogdan Oancea, Raluca Mariana Dragoescu, Tudorel Andrei

arxiv:1508.00688 v1 · 2015-08-04 · 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{UKPFQCJYYPOFZSFE6OVADPQ3AJ}

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	2026-05-18T00:20:40.317829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a29e580938c3dc5cc8a4f3aa01be1b026f73ea24362c8232f9be5fa4704d995e

Aliases

arxiv: 1508.00688 · arxiv_version: 1508.00688v1 · doi: 10.48550/arxiv.1508.00688 · pith_short_12: UKPFQCJYYPOF · pith_short_16: UKPFQCJYYPOFZSFE · pith_short_8: UKPFQCJY

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/UKPFQCJYYPOFZSFE6OVADPQ3AJ \
  | 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: a29e580938c3dc5cc8a4f3aa01be1b026f73ea24362c8232f9be5fa4704d995e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a4f15cce78f5e55d260c008426f445d76de0431c28f067e4f636c103842c390",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2015-08-04T07:25:56Z",
    "title_canon_sha256": "e016f2395239bcaf67a8c77c60527ed1dc8b620bb23523f51de189939102e95b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00688",
    "kind": "arxiv",
    "version": 1
  }
}