Pith Number

pith:3QXMLRSE

pith:2026:3QXMLRSEHJEUDUUSX3ZLCPCLIR

not attested not anchored not stored refs pending

Hard labels sampled from sparse targets mislead rotation invariant algorithms

Avrajit Ghosh, Bin Yu, Manfred Warmuth, Peter Bartlett

arxiv:2603.20967 v2 · 2026-03-21 · stat.ML · cs.LG · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3QXMLRSEHJEUDUUSX3ZLCPCLIR}

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	2026-06-08T01:04:01.705608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc2ec5c6443a4941d292bef2b13c4b446b76d6d3a1f4db73e340cdc3bb73c67e

Aliases

arxiv: 2603.20967 · arxiv_version: 2603.20967v2 · doi: 10.48550/arxiv.2603.20967 · pith_short_12: 3QXMLRSEHJEU · pith_short_16: 3QXMLRSEHJEUDUUS · pith_short_8: 3QXMLRSE

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/3QXMLRSEHJEUDUUSX3ZLCPCLIR \
  | 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: dc2ec5c6443a4941d292bef2b13c4b446b76d6d3a1f4db73e340cdc3bb73c67e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cd847aca165d366c57a1ce00e36c63269d8272dee36dd82db647e602d4ea191",
    "cross_cats_sorted": [
      "cs.LG",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-03-21T22:38:24Z",
    "title_canon_sha256": "15aaeb86c21f8cba157eb94afba3882d4e982e3208add18c49f3efc29c638e0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.20967",
    "kind": "arxiv",
    "version": 2
  }
}