Pith Number

pith:3SEAAVUM

pith:2025:3SEAAVUM6TLAMCRM56BQAXMYRH

not attested not anchored not stored refs pending

Query Efficient Structured Matrix Learning

Cameron Musco, Chinmay Hegde, Christopher Musco, David Persson, Feyza Duman Keles, Noah Amsel, Pratyush Avi, Tyler Chen

arxiv:2507.19290 v1 · 2025-07-25 · cs.DS · cs.LG · cs.NA · math.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{3SEAAVUM6TLAMCRM56BQAXMYRH}

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.

Cited by

1 paper in Pith

Transpose-free linear algebra

Receipt and verification

First computed	2026-07-05T11:43:22.968840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc8800568cf4d6060a2cef83005d9889cd370a24fd99878b97b93d7a96a615e8

Aliases

arxiv: 2507.19290 · arxiv_version: 2507.19290v1 · doi: 10.48550/arxiv.2507.19290 · pith_short_12: 3SEAAVUM6TLA · pith_short_16: 3SEAAVUM6TLAMCRM · pith_short_8: 3SEAAVUM

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/3SEAAVUM6TLAMCRM56BQAXMYRH \
  | 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: dc8800568cf4d6060a2cef83005d9889cd370a24fd99878b97b93d7a96a615e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab9586f8f07fc62ca3321b23751662c8eb4b17773b43faeba61611e9f7fae30a",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-07-25T14:04:20Z",
    "title_canon_sha256": "915799f852232087e610d550892d4917344cf4285d6eaf6ffd0f30a9f2468b6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.19290",
    "kind": "arxiv",
    "version": 1
  }
}