Pith Number

pith:JK3L6ULS

pith:2020:JK3L6ULSYE3GV5DQGHTNQROO27

not attested not anchored not stored refs pending

Regularized linear autoencoders recover the principal components, eventually

James Lucas, Roger Grosse, Sushant Sachdeva, Xuchan Bao

arxiv:2007.06731 v2 · 2020-07-13 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JK3L6ULSYE3GV5DQGHTNQROO27}

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	2026-07-05T03:19:00.327914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ab6bf5172c1366af47031e6d845ced7f23fa1a3053bb3e90249f5aca7bab83e

Aliases

arxiv: 2007.06731 · arxiv_version: 2007.06731v2 · doi: 10.48550/arxiv.2007.06731 · pith_short_12: JK3L6ULSYE3G · pith_short_16: JK3L6ULSYE3GV5DQ · pith_short_8: JK3L6ULS

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/JK3L6ULSYE3GV5DQGHTNQROO27 \
  | 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: 4ab6bf5172c1366af47031e6d845ced7f23fa1a3053bb3e90249f5aca7bab83e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec1a5a03d891d6bf2900a39085cee0750bfb6927ef598fc1d8af1076b9c51ab5",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-07-13T23:08:25Z",
    "title_canon_sha256": "adcf093a8360e5f63101f7ea9bd11ca50c537baddaa6c03f3692bdac519b985c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.06731",
    "kind": "arxiv",
    "version": 2
  }
}