Pith Number

pith:5UNJ4FTM

pith:2022:5UNJ4FTMNZDVJNNWNVNXIBY2YL

not attested not anchored not stored refs pending

Amortized Proximal Optimization

Jeff Z. HaoChen, Juhan Bae, Paul Vicol, Roger Grosse

arxiv:2203.00089 v1 · 2022-02-28 · 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{5UNJ4FTMNZDVJNNWNVNXIBY2YL}

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	2026-07-05T04:01:13.631488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed1a9e166c6e4754b5b66d5b74071ac2de79a30288f75ac1d617884fc4891064

Aliases

arxiv: 2203.00089 · arxiv_version: 2203.00089v1 · doi: 10.48550/arxiv.2203.00089 · pith_short_12: 5UNJ4FTMNZDV · pith_short_16: 5UNJ4FTMNZDVJNNW · pith_short_8: 5UNJ4FTM

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/5UNJ4FTMNZDVJNNWNVNXIBY2YL \
  | 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: ed1a9e166c6e4754b5b66d5b74071ac2de79a30288f75ac1d617884fc4891064

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b05a8c561506836a5e2dedcc34c55fb32c96b2f784bbec6e5f4bac97f785a6f",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-02-28T20:50:48Z",
    "title_canon_sha256": "f94f65cc7c70b92ba6f64c1f0006d833138448c501c83398b7e53e10b0c7316e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.00089",
    "kind": "arxiv",
    "version": 1
  }
}