Pith Number

pith:RXEU7DJS

pith:2020:RXEU7DJSLEGP47SKDPNYC3D2OV

not attested not anchored not stored refs pending

Unbiased Loss Functions for Extreme Classification With Missing Labels

Erik Schultheis, Mohammadreza Qaraei, Priyanshu Gupta, Rohit Babbar

arxiv:2007.00237 v1 · 2020-07-01 · 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{RXEU7DJSLEGP47SKDPNYC3D2OV}

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	2026-07-05T01:15:29.789650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dc94f8d32590cfe7e4a1bdb816c7a754ef4070ee555617979e289c81dabccf7

Aliases

arxiv: 2007.00237 · arxiv_version: 2007.00237v1 · doi: 10.48550/arxiv.2007.00237 · pith_short_12: RXEU7DJSLEGP · pith_short_16: RXEU7DJSLEGP47SK · pith_short_8: RXEU7DJS

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/RXEU7DJSLEGP47SKDPNYC3D2OV \
  | 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: 8dc94f8d32590cfe7e4a1bdb816c7a754ef4070ee555617979e289c81dabccf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f16ae91875ca89f92b96c5886a68a956af8ba6fa1226fa6db66eae61f8e41ffe",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2020-07-01T04:42:12Z",
    "title_canon_sha256": "b569540410257897ae19662891a082ee3345c29999e3cc6adf0b8e356a3b489b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.00237",
    "kind": "arxiv",
    "version": 1
  }
}