Pith Number

pith:BTHYBAPC

pith:2020:BTHYBAPCU2W5YWGPOKNJICFAQJ

not attested not anchored not stored refs pending

Accelerating Domain Propagation: an Efficient GPU-Parallel Algorithm over Sparse Matrices

Ambros Gleixner, Boro Sofranac, Sebastian Pokutta

arxiv:2009.07785 v5 · 2020-09-16 · cs.DC · cs.DM · cs.DS · cs.MS · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTHYBAPCU2W5YWGPOKNJICFAQJ}

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	2026-07-05T03:08:42.884548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ccf8081e2a6addc58cf729a9408a08272f683d99c1e1358cc1abc508e54ca39

Aliases

arxiv: 2009.07785 · arxiv_version: 2009.07785v5 · doi: 10.48550/arxiv.2009.07785 · pith_short_12: BTHYBAPCU2W5 · pith_short_16: BTHYBAPCU2W5YWGP · pith_short_8: BTHYBAPC

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/BTHYBAPCU2W5YWGPOKNJICFAQJ \
  | 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: 0ccf8081e2a6addc58cf729a9408a08272f683d99c1e1358cc1abc508e54ca39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8802210f13e4a478450eaa074fbfc6b1e9cc402d56a8a7b71bc53070c2ce932b",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS",
      "cs.MS",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2020-09-16T16:25:29Z",
    "title_canon_sha256": "2100d4ba8e31aa9c0b05c5cf7b9dbc1b910433de52d7bc9b78876a3bbc048452"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.07785",
    "kind": "arxiv",
    "version": 5
  }
}