Pith Number

pith:JL4FJRL5

pith:2023:JL4FJRL5ZEAAXN5JZRWV4VNJXV

not attested not anchored not stored refs pending

Eva: A General Vectorized Approximation Framework for Second-order Optimization

Bo Li, Lin Zhang, Shaohuai Shi

arxiv:2308.02123 v1 · 2023-08-04 · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JL4FJRL5ZEAAXN5JZRWV4VNJXV}

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	2026-07-05T06:37:38.030801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4af854c57dc9000bb7a9cc6d5e55a9bd5f56847cbd6848ebd20204ecd10b3acd

Aliases

arxiv: 2308.02123 · arxiv_version: 2308.02123v1 · doi: 10.48550/arxiv.2308.02123 · pith_short_12: JL4FJRL5ZEAA · pith_short_16: JL4FJRL5ZEAAXN5J · pith_short_8: JL4FJRL5

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/JL4FJRL5ZEAAXN5JZRWV4VNJXV \
  | 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: 4af854c57dc9000bb7a9cc6d5e55a9bd5f56847cbd6848ebd20204ecd10b3acd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3c3b0934ec1b57a966a190ca3bd1c3cb7bbbf0ee61b573d298748f3d6db8b37",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-08-04T03:51:38Z",
    "title_canon_sha256": "de5cfd250681aa96b04ed95a6b9e5a8a8d6bcf859baaf86572930f5c3a2a0cb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.02123",
    "kind": "arxiv",
    "version": 1
  }
}