Pith Number

pith:AAJ6YY5T

pith:2012:AAJ6YY5TUUZA2HCCUUDTSXPN6I

not attested not anchored not stored refs pending

Reliable Generation of High-Performance Matrix Algebra

Boyana Norris, Elizabeth Jessup, Geoffrey Belter, Jeremy G. Siek, Thomas Nelson

arxiv:1205.1098 v1 · 2012-05-05 · cs.MS · cs.PF · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AAJ6YY5TUUZA2HCCUUDTSXPN6I}

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	2026-05-18T03:56:09.113206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0013ec63b3a5320d1c42a507395dedf230905eabb8c99f500b215df16f45d9f2

Aliases

arxiv: 1205.1098 · arxiv_version: 1205.1098v1 · doi: 10.48550/arxiv.1205.1098 · pith_short_12: AAJ6YY5TUUZA · pith_short_16: AAJ6YY5TUUZA2HCC · pith_short_8: AAJ6YY5T

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/AAJ6YY5TUUZA2HCCUUDTSXPN6I \
  | 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: 0013ec63b3a5320d1c42a507395dedf230905eabb8c99f500b215df16f45d9f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec55965d837cf054c285b54f766d8732a74bcd34dd3d36065a4c04683dae7e6e",
    "cross_cats_sorted": [
      "cs.PF",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2012-05-05T04:30:14Z",
    "title_canon_sha256": "7d094e020832adf0649cd4ea7fbb30087dddaee329456b9beb89c614f88a8667"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1098",
    "kind": "arxiv",
    "version": 1
  }
}