Pith Number

pith:2FCEUXZF

pith:2019:2FCEUXZFPXTYY6GTEFERPMWISW

not attested not anchored not stored refs pending

Improving strong scaling of the Conjugate Gradient method for solving large linear systems using global reduction pipelining

Jeffrey Cornelis, Pieter Ghysels, Siegfried Cools, Wim Vanroose

arxiv:1905.06850 v1 · 2019-05-15 · 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{2FCEUXZFPXTYY6GTEFERPMWISW}

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	2026-05-17T23:46:00.832824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1444a5f257de78c78d3214917b2c8958a6dddf48fceb77ca7973743b30cc0f9

Aliases

arxiv: 1905.06850 · arxiv_version: 1905.06850v1 · doi: 10.48550/arxiv.1905.06850 · pith_short_12: 2FCEUXZFPXTY · pith_short_16: 2FCEUXZFPXTYY6GT · pith_short_8: 2FCEUXZF

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/2FCEUXZFPXTYY6GTEFERPMWISW \
  | 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: d1444a5f257de78c78d3214917b2c8958a6dddf48fceb77ca7973743b30cc0f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9deb4f66b029e8394bdb0c1796a6e10406ad5b9b27fb5ec14e77dce8243d742f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2019-05-15T15:44:36Z",
    "title_canon_sha256": "e6600633e6bbf4ee8ea2c97019bbc58b09919d84d46b0f6f00dab82fee7bbf56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06850",
    "kind": "arxiv",
    "version": 1
  }
}