Pith Number

pith:COVMSKN5

pith:2025:COVMSKN56XN7XQWNTKT65SMJ6S

not attested not anchored not stored refs pending

Comparing the Moore-Penrose Pseudoinverse and Gradient Descent for Solving Linear Regression Problems: A Performance Analysis

Alex Adams

arxiv:2505.23552 v1 · 2025-05-29 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{COVMSKN56XN7XQWNTKT65SMJ6S}

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	2026-07-05T11:12:03.739229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13aac929bdf5dbfbc2cd9aa7eec989f4a3484958be6015e6348a2933e43129e9

Aliases

arxiv: 2505.23552 · arxiv_version: 2505.23552v1 · doi: 10.48550/arxiv.2505.23552 · pith_short_12: COVMSKN56XN7 · pith_short_16: COVMSKN56XN7XQWN · pith_short_8: COVMSKN5

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/COVMSKN56XN7XQWNTKT65SMJ6S \
  | 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: 13aac929bdf5dbfbc2cd9aa7eec989f4a3484958be6015e6348a2933e43129e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab6a6cbef7b51a6cf544338a602ae0b5eb002d47911d8aebf5e0b917661f4f5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-29T15:28:46Z",
    "title_canon_sha256": "ccbee79b706b7c8721267451500abcf20dad6fa47b3607bac33b854ce4ac4104"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23552",
    "kind": "arxiv",
    "version": 1
  }
}