Pith Number

pith:5MBZMX6K

pith:2018:5MBZMX6KZYBVH5L3MVDF3AI5JM

not attested not anchored not stored refs pending

SRP: Efficient class-aware embedding learning for large-scale data via supervised random projections

Alexander Wong, Ali Ghodsi, Amir-Hossein Karimi

arxiv:1811.03166 v1 · 2018-11-07 · 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{5MBZMX6KZYBVH5L3MVDF3AI5JM}

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	2026-05-18T00:01:18.954364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb03965fcace0353f57b65465d811d4b3dad6593c742025a06f577f088119f7b

Aliases

arxiv: 1811.03166 · arxiv_version: 1811.03166v1 · doi: 10.48550/arxiv.1811.03166 · pith_short_12: 5MBZMX6KZYBV · pith_short_16: 5MBZMX6KZYBVH5L3 · pith_short_8: 5MBZMX6K

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/5MBZMX6KZYBVH5L3MVDF3AI5JM \
  | 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: eb03965fcace0353f57b65465d811d4b3dad6593c742025a06f577f088119f7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79ba46a01dcbd7e1ab230377307b01b05e3934d6b35d0a129e68ce3240f59191",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-11-07T22:09:23Z",
    "title_canon_sha256": "be868b5af8d36d6eb59a8c5c09a5c78e5db0ead1b5775d29190da2601cbd1753"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03166",
    "kind": "arxiv",
    "version": 1
  }
}