Pith Number

pith:6RWQPB62

pith:2019:6RWQPB62JKEPYLGYAOZMPGNI2U

not attested not anchored not stored refs pending

Program Generation for Linear Algebra Using Multiple Layers of DSLs

(2) RWTH Aachen University), Daniele G. Spampinato (1), Diego Fabregat-Traver (2), Markus P\"uschel (1), Paolo Bientinesi (2) ((1) ETH Zurich

arxiv:1906.08613 v1 · 2019-06-20 · 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{6RWQPB62JKEPYLGYAOZMPGNI2U}

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	2026-05-17T23:42:51.939380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f46d0787da4a88fc2cd803b2c799a8d5201278d7b1911e9e95036bf2123a9dbf

Aliases

arxiv: 1906.08613 · arxiv_version: 1906.08613v1 · doi: 10.48550/arxiv.1906.08613 · pith_short_12: 6RWQPB62JKEP · pith_short_16: 6RWQPB62JKEPYLGY · pith_short_8: 6RWQPB62

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/6RWQPB62JKEPYLGYAOZMPGNI2U \
  | 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: f46d0787da4a88fc2cd803b2c799a8d5201278d7b1911e9e95036bf2123a9dbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82ff2da977036ca2a5773107149475797b034f820a5893221145a3ad6940d8d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2019-06-20T13:44:41Z",
    "title_canon_sha256": "0f9f27d67343b3c7fc5270f5c3d3fde6b24454342149691f51fd2b1a3deaaebf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08613",
    "kind": "arxiv",
    "version": 1
  }
}