Pith Number

pith:NL27BYJN

pith:2025:NL27BYJN6RDAE7Q6D4MRNS45KT

not attested not anchored not stored refs pending

Hadamard-Riemannian Optimization for Margin-Variance Ensemble

Zexu Jin

arxiv:2509.10189 v1 · 2025-09-12 · 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{NL27BYJN6RDAE7Q6D4MRNS45KT}

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	2026-07-05T12:11:04.556775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6af5f0e12df446027e1e1f1916cb9d54c6ac0283b8e58ead72287b63be9c5dbf

Aliases

arxiv: 2509.10189 · arxiv_version: 2509.10189v1 · doi: 10.48550/arxiv.2509.10189 · pith_short_12: NL27BYJN6RDA · pith_short_16: NL27BYJN6RDAE7Q6 · pith_short_8: NL27BYJN

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/NL27BYJN6RDAE7Q6D4MRNS45KT \
  | 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: 6af5f0e12df446027e1e1f1916cb9d54c6ac0283b8e58ead72287b63be9c5dbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c291f04114ea6980010aba7064ba189d618f5d4aa87e20c441786a333a8d21b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-09-12T12:28:39Z",
    "title_canon_sha256": "2489912cad9bf2fcb086942aba4dd7c583496ceb0d59d9f8baf50e24b55dc145"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.10189",
    "kind": "arxiv",
    "version": 1
  }
}