Pith Number

pith:T4KF4URZ

pith:2025:T4KF4URZGFKD7X47WYCXUOE5I4

not attested not anchored not stored refs pending

Learning Noisy Halfspaces with a Margin: Massart is No Harder than Random

Gautam Chandrasekaran, Kevin Tian, Konstantinos Stavropoulos, Vasilis Kontonis

arxiv:2501.09851 v1 · 2025-01-16 · cs.LG · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T4KF4URZGFKD7X47WYCXUOE5I4}

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	2026-07-05T10:02:12.325194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f145e523931543fdf9fb6057a389d4724fcd879a67ead27f21c51b060377b92

Aliases

arxiv: 2501.09851 · arxiv_version: 2501.09851v1 · doi: 10.48550/arxiv.2501.09851 · pith_short_12: T4KF4URZGFKD · pith_short_16: T4KF4URZGFKD7X47 · pith_short_8: T4KF4URZ

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/T4KF4URZGFKD7X47WYCXUOE5I4 \
  | 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: 9f145e523931543fdf9fb6057a389d4724fcd879a67ead27f21c51b060377b92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36825c98699e8fd426faea18e8d5e77ef4c6f2b41685458e9b70eeb8ac18a922",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-01-16T21:46:53Z",
    "title_canon_sha256": "6e98e10faa6bbf9607cd80635c774b69108a4896dcc79dc6db5e6b9ccd07e731"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.09851",
    "kind": "arxiv",
    "version": 1
  }
}