Pith Number

pith:Y2JTYCTI

pith:2026:Y2JTYCTIUHBLLFXXN5HBLXWLXO

not attested not anchored not stored refs pending

Hierarchical Recursive Precision for Accelerating Symmetric Linear Solves on MXUs

Alan Edelman, Evelyne Ringoot, Rabab Alomairy, Vicki Carrica

arxiv:2601.08082 v3 · 2026-01-12 · cs.DC · cs.ET · cs.MS · cs.PF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y2JTYCTIUHBLLFXXN5HBLXWLXO}

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	2026-06-02T01:03:40.782685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6933c0a68a1c2b596f76f4e15decbbbbb1050ae36a5b0c50781a205f500651e

Aliases

arxiv: 2601.08082 · arxiv_version: 2601.08082v3 · doi: 10.48550/arxiv.2601.08082 · pith_short_12: Y2JTYCTIUHBL · pith_short_16: Y2JTYCTIUHBLLFXX · pith_short_8: Y2JTYCTI

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/Y2JTYCTIUHBLLFXXN5HBLXWLXO \
  | 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: c6933c0a68a1c2b596f76f4e15decbbbbb1050ae36a5b0c50781a205f500651e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "433292624f462636d8a337b5d24a2628dacc9204739a9126367537c8540c204e",
    "cross_cats_sorted": [
      "cs.ET",
      "cs.MS",
      "cs.PF"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2026-01-12T23:46:20Z",
    "title_canon_sha256": "7b85e5feabaed034aaafa101a7c759b22745d9a6713120a5085e6bbf65fcf573"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.08082",
    "kind": "arxiv",
    "version": 3
  }
}