Pith Number

pith:HIOPRWO5

pith:2012:HIOPRWO5BJLR7WZNHICBHH53XS

not attested not anchored not stored refs pending

Mixed-mode implementation of PETSc for scalable linear algebra on multi-core processors

Gerard Gorman, James Southern, Lawrence Mitchell, Mark Parsons, Michele Weiland, Stephan Kramer

arxiv:1205.2005 v2 · 2012-05-09 · cs.DC · 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{HIOPRWO5BJLR7WZNHICBHH53XS}

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	2026-05-18T03:49:00.789762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a1cf8d9dd0a571fdb2d3a04139fbbbcbc1bad3652c4ab21d38421fd955392ef

Aliases

arxiv: 1205.2005 · arxiv_version: 1205.2005v2 · doi: 10.48550/arxiv.1205.2005 · pith_short_12: HIOPRWO5BJLR · pith_short_16: HIOPRWO5BJLR7WZN · pith_short_8: HIOPRWO5

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/HIOPRWO5BJLR7WZNHICBHH53XS \
  | 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: 3a1cf8d9dd0a571fdb2d3a04139fbbbcbc1bad3652c4ab21d38421fd955392ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50fd2c14787245655e7f552b62fea5a405ee1df8f381357fbaf8cfb61c95bd7e",
    "cross_cats_sorted": [
      "cs.PF"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2012-05-09T14:54:55Z",
    "title_canon_sha256": "f08ef2801d6812f9474212a66bde6e98b85caa9d56b32729adaa46a21dde9123"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2005",
    "kind": "arxiv",
    "version": 2
  }
}