Pith Number

pith:B654CGTY

pith:2013:B654CGTYASCJRMI3QJ5N3PQ4HJ

not attested not anchored not stored refs pending

Benchmarking mixed-mode PETSc performance on high-performance architectures

Gerard Gorman, James Southern, Lawrence Mitchell, Michael Lange, Michele Weiland, Xiaohu Guo

arxiv:1307.4567 v1 · 2013-07-17 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B654CGTYASCJRMI3QJ5N3PQ4HJ}

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	2026-05-18T03:18:07.577176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fbbc11a78048498b11b827addbe1c3a7913a6db0e3be2c237743bd208b8c23d

Aliases

arxiv: 1307.4567 · arxiv_version: 1307.4567v1 · doi: 10.48550/arxiv.1307.4567 · pith_short_12: B654CGTYASCJ · pith_short_16: B654CGTYASCJRMI3 · pith_short_8: B654CGTY

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/B654CGTYASCJRMI3QJ5N3PQ4HJ \
  | 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: 0fbbc11a78048498b11b827addbe1c3a7913a6db0e3be2c237743bd208b8c23d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8096b499c83708431314103cd92208e19fa2dfa6e9dfb4d8323f275d5ccb410",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2013-07-17T10:36:35Z",
    "title_canon_sha256": "74354b19e5064c7b9ec41070e604564d3125c0b9ff994bee77415325fcee820b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4567",
    "kind": "arxiv",
    "version": 1
  }
}