Pith Number

pith:EDRB3JPB

pith:2021:EDRB3JPBPIYKWJHCC5EE5LOJIJ

not attested not anchored not stored refs pending

Provably Faster Algorithms for Bilevel Optimization

Junjie Yang, Kaiyi Ji, Yingbin Liang

arxiv:2106.04692 v2 · 2021-06-08 · 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{EDRB3JPBPIYKWJHCC5EE5LOJIJ}

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	2026-07-05T03:41:25.497841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20e21da5e17a30ab24e217484eadc9427c7adce783add390eadc0a427247ad59

Aliases

arxiv: 2106.04692 · arxiv_version: 2106.04692v2 · doi: 10.48550/arxiv.2106.04692 · pith_short_12: EDRB3JPBPIYK · pith_short_16: EDRB3JPBPIYKWJHC · pith_short_8: EDRB3JPB

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/EDRB3JPBPIYKWJHCC5EE5LOJIJ \
  | 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: 20e21da5e17a30ab24e217484eadc9427c7adce783add390eadc0a427247ad59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d383a33187f66f0945f5ffea05aa891884791a4022b37c5709d98fb64a6a1e3",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-06-08T21:05:30Z",
    "title_canon_sha256": "562a1b3eb9813ded44ee94acd22c0c804f9e1053236b4140f03bd3af16001396"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.04692",
    "kind": "arxiv",
    "version": 2
  }
}