Pith Number

pith:VAF2JTV2

pith:2026:VAF2JTV2XZ56CYYFT5ZHC4YOPJ

not attested not anchored not stored refs pending

Hypergradient-based Bilevel Reinforcement Learning with Improved Sample Complexity

Mudit Gaur, Naman Saxena, Vaneet Aggarwal

arxiv:2607.28849 v1 · 2026-07-30 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VAF2JTV2XZ56CYYFT5ZHC4YOPJ}

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	2026-08-03T01:17:12.368674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a80ba4cebabe7be163059f7271730e7a782668568bdd30ac91405ad970d76826

Aliases

arxiv: 2607.28849 · arxiv_version: 2607.28849v1 · doi: 10.48550/arxiv.2607.28849 · pith_short_12: VAF2JTV2XZ56 · pith_short_16: VAF2JTV2XZ56CYYF · pith_short_8: VAF2JTV2

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/VAF2JTV2XZ56CYYFT5ZHC4YOPJ \
  | 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: a80ba4cebabe7be163059f7271730e7a782668568bdd30ac91405ad970d76826

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd6811b269eab6789ac12d79bd553ee6a199dc495f34e82a075cd660b9adc665",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-30T21:21:52Z",
    "title_canon_sha256": "fe81af9897485e04ddc406293082784e4e70585c7b3efe81f89869f2bc3b44bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28849",
    "kind": "arxiv",
    "version": 1
  }
}