Pith Number

pith:5ON3MJ6F

pith:2021:5ON3MJ6FC4EUZOM4422LDEVC2S

not attested not anchored not stored refs pending

Investigating Bi-Level Optimization for Learning and Vision from a Unified Perspective: A Survey and Beyond

Deyu Meng, Jiaxin Gao, Jin Zhang, Risheng Liu, Zhouchen Lin

arxiv:2101.11517 v3 · 2021-01-27 · cs.LG · cs.CV · math.DS · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ON3MJ6FC4EUZOM4422LDEVC2S}

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.

Cited by

1 paper in Pith

CHAL: Council of Hierarchical Agentic Language

Receipt and verification

First computed	2026-07-05T03:17:47.225309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb9bb627c517094cb99ce6b4b192a2d48bea4b6eaf5ae4a0021db64f85797398

Aliases

arxiv: 2101.11517 · arxiv_version: 2101.11517v3 · doi: 10.48550/arxiv.2101.11517 · pith_short_12: 5ON3MJ6FC4EU · pith_short_16: 5ON3MJ6FC4EUZOM4 · pith_short_8: 5ON3MJ6F

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/5ON3MJ6FC4EUZOM4422LDEVC2S \
  | 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: eb9bb627c517094cb99ce6b4b192a2d48bea4b6eaf5ae4a0021db64f85797398

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80559e118dd34d480226d54687c02c7e75081ff0a3fd284620bec931831f82e3",
    "cross_cats_sorted": [
      "cs.CV",
      "math.DS",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-01-27T16:20:23Z",
    "title_canon_sha256": "4c24a359657397c74fdfb7f150e156ccb15f0954a5b35aaf2763baec3c7fd19f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.11517",
    "kind": "arxiv",
    "version": 3
  }
}