Pith Number

pith:364A4KOR

pith:2026:364A4KORXXHSBDCLM2EBKOVXAN

not attested not anchored not stored refs pending

Randomized Tucker-Sketched GMRES

Alberto Bucci, Martina Iannacito, Mirjeta Pasha, Rudi Smith

arxiv:2608.11091 v1 · 2026-08-11 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{364A4KORXXHSBDCLM2EBKOVXAN}

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	2026-08-12T01:24:35.479478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfb80e29d1bdcf208c4b6688153ab7034fd5620ff6832ddb25176ae0efe7b4c7

Aliases

arxiv: 2608.11091 · arxiv_version: 2608.11091v1 · doi: 10.48550/arxiv.2608.11091 · pith_short_12: 364A4KORXXHS · pith_short_16: 364A4KORXXHSBDCL · pith_short_8: 364A4KOR

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/364A4KORXXHSBDCLM2EBKOVXAN \
  | 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: dfb80e29d1bdcf208c4b6688153ab7034fd5620ff6832ddb25176ae0efe7b4c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4c262735288f4225a8c7c6da10adae51bebdea0526e463d295c1f7225ae6d15",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-08-11T15:59:45Z",
    "title_canon_sha256": "807867c9ac3c119fcd483347005cfd45089e0b33017ac2d12c5481a1c6522474"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.11091",
    "kind": "arxiv",
    "version": 1
  }
}