Pith Number

pith:2HKJNIOB

pith:2019:2HKJNIOBZM4VHTYM4UR3B3RSLC

not attested not anchored not stored refs pending

Only sparsity based loss function for learning representations

Kishore Reddy Konda, Vivek Bakaraju

arxiv:1903.02893 v1 · 2019-03-07 · 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{2HKJNIOBZM4VHTYM4UR3B3RSLC}

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	2026-05-17T23:51:50.838289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1d496a1c1cb3953cf0ce523b0ee3258aa1c82bcc9c125eb2bd80ed22d01fd34

Aliases

arxiv: 1903.02893 · arxiv_version: 1903.02893v1 · doi: 10.48550/arxiv.1903.02893 · pith_short_12: 2HKJNIOBZM4V · pith_short_16: 2HKJNIOBZM4VHTYM · pith_short_8: 2HKJNIOB

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/2HKJNIOBZM4VHTYM4UR3B3RSLC \
  | 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: d1d496a1c1cb3953cf0ce523b0ee3258aa1c82bcc9c125eb2bd80ed22d01fd34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7047f2704abd4b6a6e289e4c7158f1e7b7cc68effbed578179435fdafc196d6c",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-03-07T13:11:39Z",
    "title_canon_sha256": "a44bc5e0e09c82eeec0a27e49a4c55edbfdd890a13024dc159e22f1c9efa9827"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02893",
    "kind": "arxiv",
    "version": 1
  }
}