Pith Number

pith:E2BBXRZL

pith:2023:E2BBXRZLMQC6GJGX4BC7A7C6AZ

not attested not anchored not stored refs pending

G-TRACER: Expected Sharpness Optimization

John Williams, Stephen Roberts

arxiv:2306.13914 v1 · 2023-06-24 · stat.ML · 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{E2BBXRZLMQC6GJGX4BC7A7C6AZ}

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	2026-07-05T06:24:17.550285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26821bc72b6405e324d7e045f07c5e06604c3c857f59b695e2fe9f2abe6044be

Aliases

arxiv: 2306.13914 · arxiv_version: 2306.13914v1 · doi: 10.48550/arxiv.2306.13914 · pith_short_12: E2BBXRZLMQC6 · pith_short_16: E2BBXRZLMQC6GJGX · pith_short_8: E2BBXRZL

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/E2BBXRZLMQC6GJGX4BC7A7C6AZ \
  | 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: 26821bc72b6405e324d7e045f07c5e06604c3c857f59b695e2fe9f2abe6044be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "359b4bc52cdbd2af86079fa55777840f524f5822261064dfffb44fd08ec3daee",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2023-06-24T09:28:49Z",
    "title_canon_sha256": "125d068e1ecfefbf72aacda9a90c2c1e4fdfb277bfabd7fab9461536758f39e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.13914",
    "kind": "arxiv",
    "version": 1
  }
}