Pith Number

pith:B3TK5TWA

pith:2012:B3TK5TWAL5DVZME6WF2PNTSFLM

not attested not anchored not stored refs pending

Hybrid MPI/StarSs - a case study

Christoph Niethammer, Colin W. Glass, Jose Gracia, Manuel Hasert, Rainer Keller, Steffen Brinkmann

arxiv:1204.4086 v1 · 2012-04-18 · 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{B3TK5TWAL5DVZME6WF2PNTSFLM}

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	2026-05-18T03:57:37.769630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ee6aecec05f475cb09eb174f6ce455b247ce5fdd73e16342f9b06eacfe069ea

Aliases

arxiv: 1204.4086 · arxiv_version: 1204.4086v1 · doi: 10.48550/arxiv.1204.4086 · pith_short_12: B3TK5TWAL5DV · pith_short_16: B3TK5TWAL5DVZME6 · pith_short_8: B3TK5TWA

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/B3TK5TWAL5DVZME6WF2PNTSFLM \
  | 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: 0ee6aecec05f475cb09eb174f6ce455b247ce5fdd73e16342f9b06eacfe069ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc7b30c4140bf9f78b3ee23fdf99d6d6365796d36d0f28a447fb0788915d4218",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2012-04-18T14:06:14Z",
    "title_canon_sha256": "7c0f8d49a8f3d75916c69604b883578fb2f276254b6df31c2ddcb29b48e5ebdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4086",
    "kind": "arxiv",
    "version": 1
  }
}