Pith Number

pith:FMOKQ7RS

pith:2020:FMOKQ7RSF77CKNG2FFL7SFVUXE

not attested not anchored not stored refs pending

A highly scalable approach to solving linear systems using two-stage multisplitting

Iain Bethune, J. Mark Bull, Nick Brown

arxiv:2009.12638 v1 · 2020-09-26 · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FMOKQ7RSF77CKNG2FFL7SFVUXE}

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	2026-07-05T01:38:21.989745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b1ca87e322ffe2534da2957f916b4b918fbc5aadf3bcf4704c01585a6e9a65a

Aliases

arxiv: 2009.12638 · arxiv_version: 2009.12638v1 · doi: 10.48550/arxiv.2009.12638 · pith_short_12: FMOKQ7RSF77C · pith_short_16: FMOKQ7RSF77CKNG2 · pith_short_8: FMOKQ7RS

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/FMOKQ7RSF77CKNG2FFL7SFVUXE \
  | 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: 2b1ca87e322ffe2534da2957f916b4b918fbc5aadf3bcf4704c01585a6e9a65a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fe53e120109309be06ff07699824149f688d47cf92f8ffc12d293e92ef9720d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2020-09-26T16:44:34Z",
    "title_canon_sha256": "e72de247a3b823c92fd1b0bae01821cf35ff0cdef6e16db1ea4802cceab839c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.12638",
    "kind": "arxiv",
    "version": 1
  }
}