Pith Number

pith:4YD74L2E

pith:2025:4YD74L2ETBENONOT5BH7RHRH4X

not attested not anchored not stored refs pending

Safe-EF: Error Feedback for Nonsmooth Constrained Optimization

Ilyas Fatkhullin, Rustem Islamov, Yarden As

arxiv:2505.06053 v1 · 2025-05-09 · cs.LG · math.OC · 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{4YD74L2ETBENONOT5BH7RHRH4X}

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	2026-07-05T11:14:59.369043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e607fe2f449848d735d3e84ff89e27e5e2c8a4f07e34ede0c22c89c4de895719

Aliases

arxiv: 2505.06053 · arxiv_version: 2505.06053v1 · doi: 10.48550/arxiv.2505.06053 · pith_short_12: 4YD74L2ETBEN · pith_short_16: 4YD74L2ETBENONOT · pith_short_8: 4YD74L2E

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/4YD74L2ETBENONOT5BH7RHRH4X \
  | 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: e607fe2f449848d735d3e84ff89e27e5e2c8a4f07e34ede0c22c89c4de895719

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33b5863dedc89c84a02e6a60afb9d92f6762abe9438bbb82a6bff9c6a4dd4fe9",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-09T13:49:05Z",
    "title_canon_sha256": "aeb087732e1c0050e2432b54c3dfdfcc30bc1b1930e63cc6f2fb63bb805e6cfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.06053",
    "kind": "arxiv",
    "version": 1
  }
}