Pith Number

pith:7K6F7HID

pith:2020:7K6F7HIDGIYVQWJZAZFJ7KYLSG

not attested not anchored not stored refs pending

Whitening and second order optimization both make information in the dataset unusable during training, and can reduce or prevent generalization

Daniel Duckworth, Ethan Dyer, Jascha Sohl-Dickstein, Neha S. Wadia, Samuel S. Schoenholz

arxiv:2008.07545 v4 · 2020-08-17 · 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{7K6F7HIDGIYVQWJZAZFJ7KYLSG}

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	2026-07-05T02:58:36.112162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fabc5f9d033231585939064a9fab0b91b5a92b7d22e5d5f696e1a611de143bbe

Aliases

arxiv: 2008.07545 · arxiv_version: 2008.07545v4 · doi: 10.48550/arxiv.2008.07545 · pith_short_12: 7K6F7HIDGIYV · pith_short_16: 7K6F7HIDGIYVQWJZ · pith_short_8: 7K6F7HID

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/7K6F7HIDGIYVQWJZAZFJ7KYLSG \
  | 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: fabc5f9d033231585939064a9fab0b91b5a92b7d22e5d5f696e1a611de143bbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d20b0ef495559d86d22f52cad3c06066001dd544f76b321c7eaace24628c6cc7",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-08-17T18:00:05Z",
    "title_canon_sha256": "3c3f3e59b8f8119ffcead4cc1f24cef4152033c1be4cb2eab79de20f788d47c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.07545",
    "kind": "arxiv",
    "version": 4
  }
}