Pith Number

pith:J644S6YK

pith:2018:J644S6YK6LVQ4QBEEW6JJW2NF4

not attested not anchored not stored refs pending

The performances of R GPU implementations of the GMRES method

Bogdan Oancea, Richard Pospisil

arxiv:1802.01960 v1 · 2018-02-06 · 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{J644S6YK6LVQ4QBEEW6JJW2NF4}

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	2026-05-18T00:20:35.192118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fb9c97b0af2eb0e402425bc94db4d2f0647f7d15b1ec6a9935a0320b71f9eaf

Aliases

arxiv: 1802.01960 · arxiv_version: 1802.01960v1 · doi: 10.48550/arxiv.1802.01960 · pith_short_12: J644S6YK6LVQ · pith_short_16: J644S6YK6LVQ4QBE · pith_short_8: J644S6YK

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/J644S6YK6LVQ4QBEEW6JJW2NF4 \
  | 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: 4fb9c97b0af2eb0e402425bc94db4d2f0647f7d15b1ec6a9935a0320b71f9eaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9707d7fb82973bfaa665e3c286d5dda4acbf1e3a460272376134437331056674",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2018-02-06T14:26:38Z",
    "title_canon_sha256": "47a27d1978b3511ac295220feae206ae39f7ea780aa2c6ffc8d1125ce927f712"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01960",
    "kind": "arxiv",
    "version": 1
  }
}