Pith Number

pith:FQGPFAH6

pith:2026:FQGPFAH6FWPPSW42ZUQN24MWCD

not attested not anchored not stored refs pending

Don't Collapse Your Features: Why CenterLoss Hurts OOD Detection and Multi-Scale Mahalanobis Wins

Rahul D Ray

arxiv:2605.21493 v1 · 2026-04-10 · cs.LG · cs.AI · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQGPFAH6FWPPSW42ZUQN24MWCD}

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	2026-05-22T00:02:26.852213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c0cf280fe2d9ef95b9acd20dd719610f2f782a696731789f6716e93e5296a5b

Aliases

arxiv: 2605.21493 · arxiv_version: 2605.21493v1 · doi: 10.48550/arxiv.2605.21493 · pith_short_12: FQGPFAH6FWPP · pith_short_16: FQGPFAH6FWPPSW42 · pith_short_8: FQGPFAH6

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/FQGPFAH6FWPPSW42ZUQN24MWCD \
  | 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: 2c0cf280fe2d9ef95b9acd20dd719610f2f782a696731789f6716e93e5296a5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4743837c5547a56fb144ad07b5945d518f9125b80b486e00438637a8fad37c08",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-04-10T18:27:46Z",
    "title_canon_sha256": "39440f38c65652b67c6c550b7b6ce18d5a9a8708e28662dd1aad5f75df69bce7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21493",
    "kind": "arxiv",
    "version": 1
  }
}