Pith Number

pith:HGJU7SPN

pith:2013:HGJU7SPNCTSGZXW65EC6F3OPJG

not attested not anchored not stored refs pending

Software Autotuning for Sustainable Performance Portability

Azamat Mametjanov, Boyana Norris

arxiv:1309.1894 v1 · 2013-09-07 · cs.PF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HGJU7SPNCTSGZXW65EC6F3OPJG}

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	2026-05-18T03:13:57.156130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39934fc9ed14e46cdedee905e2edcf4993f1f72b5e38a22ae2affce4abbc68fb

Aliases

arxiv: 1309.1894 · arxiv_version: 1309.1894v1 · doi: 10.48550/arxiv.1309.1894 · pith_short_12: HGJU7SPNCTSG · pith_short_16: HGJU7SPNCTSGZXW6 · pith_short_8: HGJU7SPN

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/HGJU7SPNCTSGZXW65EC6F3OPJG \
  | 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: 39934fc9ed14e46cdedee905e2edcf4993f1f72b5e38a22ae2affce4abbc68fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a19167f0cb7db65135e6dae203d1f0c53e2902c88ee79a9ca06636a9df4c178c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "cs.PF",
    "submitted_at": "2013-09-07T18:49:59Z",
    "title_canon_sha256": "ae6eb8b49b1cde1426d8bab22c20aa88ac773036b73d13cf6f059ee1f1ddd408"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1894",
    "kind": "arxiv",
    "version": 1
  }
}