Pith Number

pith:WXW22UAY

pith:2025:WXW22UAY3POGKP5RFC6UUECRDX

not attested not anchored not stored refs pending

Selective Matching Losses -- Not All Scores Are Created Equal

Gil I. Shamir, Manfred K. Warmuth

arxiv:2506.04446 v2 · 2025-06-04 · 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{WXW22UAY3POGKP5RFC6UUECRDX}

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	2026-07-05T11:18:43.435747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5edad5018dbdc653fb128bd4a10511dfc0d5b9efad4d47348debd87453a940b

Aliases

arxiv: 2506.04446 · arxiv_version: 2506.04446v2 · doi: 10.48550/arxiv.2506.04446 · pith_short_12: WXW22UAY3POG · pith_short_16: WXW22UAY3POGKP5R · pith_short_8: WXW22UAY

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/WXW22UAY3POGKP5RFC6UUECRDX \
  | 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: b5edad5018dbdc653fb128bd4a10511dfc0d5b9efad4d47348debd87453a940b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f6836e57ea04f8ef2649b8bb415a099dd2c6e51074a8350e9988c0c12130748",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-06-04T21:03:54Z",
    "title_canon_sha256": "d014ebaa0df9961c70babe128339adcdc110a991fb4347a18d6979f4c316f9fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.04446",
    "kind": "arxiv",
    "version": 2
  }
}