Pith Number

pith:HJBF7AU3

pith:2022:HJBF7AU3LTD5ZLIHM5FTQB2KBX

not attested not anchored not stored refs pending

Towards Extremely Fast Bilevel Optimization with Self-governed Convergence Guarantees

Jin Zhang, Risheng Liu, Shangzhi Zeng, Wei Yao, Xuan Liu

arxiv:2205.10054 v1 · 2022-05-20 · math.OC · 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{HJBF7AU3LTD5ZLIHM5FTQB2KBX}

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	2026-07-05T04:25:02.870375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a425f829b5cc7dcad07674b38074a0df78ac150f9e9d8340fc43ac382a84ff2

Aliases

arxiv: 2205.10054 · arxiv_version: 2205.10054v1 · doi: 10.48550/arxiv.2205.10054 · pith_short_12: HJBF7AU3LTD5 · pith_short_16: HJBF7AU3LTD5ZLIH · pith_short_8: HJBF7AU3

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/HJBF7AU3LTD5ZLIHM5FTQB2KBX \
  | 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: 3a425f829b5cc7dcad07674b38074a0df78ac150f9e9d8340fc43ac382a84ff2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b86809848af698eefa5d6363405a5a1eddd4c6aef8ecc04810318d0c1041913",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-05-20T09:46:10Z",
    "title_canon_sha256": "6b412c79dbd0957444f903e4cc32e73b1c092b749c60d8c759359a60e956de43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.10054",
    "kind": "arxiv",
    "version": 1
  }
}