Pith Number

pith:QUVGPUBW

pith:2018:QUVGPUBWQKW5CHWHDN52E3NZJW

not attested not anchored not stored refs pending

Unbiased scalable softmax optimization

Francois Fagan, Garud Iyengar

arxiv:1803.08577 v1 · 2018-03-22 · stat.ML · 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{QUVGPUBWQKW5CHWHDN52E3NZJW}

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	2026-05-18T00:20:19.244409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

852a67d03682add11ec71b7ba26db94d864f70c3de897ce3815024aef9f9681f

Aliases

arxiv: 1803.08577 · arxiv_version: 1803.08577v1 · doi: 10.48550/arxiv.1803.08577 · pith_short_12: QUVGPUBWQKW5 · pith_short_16: QUVGPUBWQKW5CHWH · pith_short_8: QUVGPUBW

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/QUVGPUBWQKW5CHWHDN52E3NZJW \
  | 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: 852a67d03682add11ec71b7ba26db94d864f70c3de897ce3815024aef9f9681f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "226272f32df1e2351f27a1bc7b61e778489663f8b45e715d29c76ac92c94f991",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-03-22T20:32:32Z",
    "title_canon_sha256": "612be2e6020ecd4e5327207d1eeaa1c8c9972ddf5ca8c605f8c96630c65ffdac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08577",
    "kind": "arxiv",
    "version": 1
  }
}