Pith Number

pith:57LHBIGU

pith:2026:57LHBIGUHYIBHKHFVCST7RSPW2

not attested not anchored not stored refs pending

Accelerating the Canonical Polyadic Alternating Least Squares Optimization via a Randomized Interpolative Decomposition

Israa Fakih, Karl Pierce, Laura Grigori

arxiv:2607.22194 v1 · 2026-07-24 · 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{57LHBIGUHYIBHKHFVCST7RSPW2}

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	2026-07-27T01:20:53.315976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efd670a0d43e1013a8e5a8a53fc64fb69bc7d53b4bbb5540827e0d1adc43e48f

Aliases

arxiv: 2607.22194 · arxiv_version: 2607.22194v1 · doi: 10.48550/arxiv.2607.22194 · pith_short_12: 57LHBIGUHYIB · pith_short_16: 57LHBIGUHYIBHKHF · pith_short_8: 57LHBIGU

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/57LHBIGUHYIBHKHFVCST7RSPW2 \
  | 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: efd670a0d43e1013a8e5a8a53fc64fb69bc7d53b4bbb5540827e0d1adc43e48f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26b8354f0d5fd9e55107e3a8c8168b7e15ec89539737d6ee06f5ba384df9f238",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-07-24T11:08:54Z",
    "title_canon_sha256": "ed5bbc785dd5d29f1157c76f29b57652f3df7ea03593213ad95050a32d1b73a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22194",
    "kind": "arxiv",
    "version": 1
  }
}