Pith Number

pith:IL4VJUBL

pith:2018:IL4VJUBLA2I2GSEE2CACES5BWD

not attested not anchored not stored refs pending

Exp-Concavity of Proper Composite Losses

Parameswaran Kamalaruban, Robert C. Williamson, Xinhua Zhang

arxiv:1805.07737 v1 · 2018-05-20 · 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{IL4VJUBLA2I2GSEE2CACES5BWD}

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	2026-05-18T00:15:32.679372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42f954d02b0691a34884d080224ba1b0dc68ff85cbd74132331f3895a81b91eb

Aliases

arxiv: 1805.07737 · arxiv_version: 1805.07737v1 · doi: 10.48550/arxiv.1805.07737 · pith_short_12: IL4VJUBLA2I2 · pith_short_16: IL4VJUBLA2I2GSEE · pith_short_8: IL4VJUBL

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/IL4VJUBLA2I2GSEE2CACES5BWD \
  | 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: 42f954d02b0691a34884d080224ba1b0dc68ff85cbd74132331f3895a81b91eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b502e4318ec5d32d53a7adc8ba5b203ed9fb26f255e4e87b24c0363e32f057a9",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-05-20T08:53:48Z",
    "title_canon_sha256": "cacb480a030335e1361e3c778bc01a744bd385800f61d164d8be02c360cab0b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07737",
    "kind": "arxiv",
    "version": 1
  }
}