Pith Number

pith:26W2AGKD

pith:2023:26W2AGKDDY5BRPY7C45AICKJMC

not attested not anchored not stored refs pending

Error Feedback Shines when Features are Rare

Elnur Gasanov, Konstantin Burlachenko, Peter Richt\'arik

arxiv:2305.15264 v1 · 2023-05-24 · math.OC · cs.DC · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{26W2AGKDDY5BRPY7C45AICKJMC}

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	2026-07-05T06:13:33.124111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7ada019431e3a18bf1f173a04094960ac7e0ac889656703e87c893201d7b650

Aliases

arxiv: 2305.15264 · arxiv_version: 2305.15264v1 · doi: 10.48550/arxiv.2305.15264 · pith_short_12: 26W2AGKDDY5B · pith_short_16: 26W2AGKDDY5BRPY7 · pith_short_8: 26W2AGKD

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/26W2AGKDDY5BRPY7C45AICKJMC \
  | 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: d7ada019431e3a18bf1f173a04094960ac7e0ac889656703e87c893201d7b650

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9989cdbdbbc994dc431968db749abf91b594270ddc07c065d93f61e80c1906ac",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2023-05-24T15:52:07Z",
    "title_canon_sha256": "14ad0125dcade7e5b3cf35bb1f02cdaa118810b5ee896738adc0935f55092154"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.15264",
    "kind": "arxiv",
    "version": 1
  }
}