Pith Number

pith:BBXMADRZ

pith:2025:BBXMADRZ2JOFHOTAK6H7QESDDF

not attested not anchored not stored refs pending

Efficient Curvature-Aware Hypergradient Approximation for Bilevel Optimization

Jin Zhang, Junfeng Yang, Wei Yao, Youran Dong

arxiv:2505.02101 v1 · 2025-05-04 · math.OC · cs.LG

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\usepackage{pith}
\pithnumber{BBXMADRZ2JOFHOTAK6H7QESDDF}

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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

1 paper in Pith

Second-Order Bilevel Optimization with Accelerated Convergence Rates

Receipt and verification

First computed	2026-07-05T10:58:31.990294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

086ec00e39d25c53ba60578ff81243197cae102a7f644e788bb7546d36b96aad

Aliases

arxiv: 2505.02101 · arxiv_version: 2505.02101v1 · doi: 10.48550/arxiv.2505.02101 · pith_short_12: BBXMADRZ2JOF · pith_short_16: BBXMADRZ2JOFHOTA · pith_short_8: BBXMADRZ

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/BBXMADRZ2JOFHOTAK6H7QESDDF \
  | 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: 086ec00e39d25c53ba60578ff81243197cae102a7f644e788bb7546d36b96aad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef57cc901d72b831a66175f85611af681722afc5898ed64ee431a1026a1a0269",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-05-04T13:13:29Z",
    "title_canon_sha256": "3e5275408c0794aa4c57584ce5316e8647354b2404ceeea6d69e3d0945db7c4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.02101",
    "kind": "arxiv",
    "version": 1
  }
}