Pith Number

pith:IZEIHV3Z

pith:2024:IZEIHV3ZRTM3I2IBVIDJJ2SBRO

not attested not anchored not stored refs pending

A Distributed-memory Tridiagonal Solver Based on a Specialised Data Structure Optimised for CPU and GPU Architectures

Paul Bartholomew, S\'ebastien Lemaire, Semih Akkurt, Sylvain Laizet

arxiv:2411.13532 v1 · 2024-11-20 · cs.DC · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IZEIHV3ZRTM3I2IBVIDJJ2SBRO}

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	2026-07-05T11:39:45.858265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

464883d7798cd9b46901aa0694ea418b821759ca300c5624db23833f235b2c57

Aliases

arxiv: 2411.13532 · arxiv_version: 2411.13532v1 · doi: 10.48550/arxiv.2411.13532 · pith_short_12: IZEIHV3ZRTM3 · pith_short_16: IZEIHV3ZRTM3I2IB · pith_short_8: IZEIHV3Z

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/IZEIHV3ZRTM3I2IBVIDJJ2SBRO \
  | 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: 464883d7798cd9b46901aa0694ea418b821759ca300c5624db23833f235b2c57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0a6db3c6686c410adb3c8273850ffb05afcc57f3cea5dd33975b775b292a020",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2024-11-20T18:31:39Z",
    "title_canon_sha256": "eb3045132730ba0992569db344318d47fab90be3089dcfe065fb482b6e99fa44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.13532",
    "kind": "arxiv",
    "version": 1
  }
}