Pith Number

pith:RCE5YPHZ

pith:2022:RCE5YPHZMHLMPWCV6KSVI7WK56

not attested not anchored not stored refs pending

Gradient-based Bi-level Optimization for Deep Learning: A Survey

Can Chen, Chen Ma, Xi Chen, Xue Liu, Zixuan Liu

arxiv:2207.11719 v4 · 2022-07-24 · cs.LG · math.OC

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RCE5YPHZMHLMPWCV6KSVI7WK56}

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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.

Cited by

2 papers in Pith

On the Difficulty of Learning a Meta-network for Training Data Selection

CHAL: Council of Hierarchical Agentic Language

Receipt and verification

First computed	2026-07-05T06:28:55.140529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8889dc3cf961d6c7d855f2a5547ecaef92bd701a3b241c8fc7f10fc6947a9f86

Aliases

arxiv: 2207.11719 · arxiv_version: 2207.11719v4 · doi: 10.48550/arxiv.2207.11719 · pith_short_12: RCE5YPHZMHLM · pith_short_16: RCE5YPHZMHLMPWCV · pith_short_8: RCE5YPHZ

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/RCE5YPHZMHLMPWCV6KSVI7WK56 \
  | 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: 8889dc3cf961d6c7d855f2a5547ecaef92bd701a3b241c8fc7f10fc6947a9f86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceaac6d4378d1f586de71dbdb4841acc0d6cca5de78cf8afc30a13a91e7f1d34",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-07-24T11:23:31Z",
    "title_canon_sha256": "603d0851b9403119f2be4d571f798a779b77abc81cfd19097056a78256779e7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.11719",
    "kind": "arxiv",
    "version": 4
  }
}