Pith Number

pith:VIPKXJSJ

pith:2021:VIPKXJSJDENQKA5RJ2L5NG7YJY

not attested not anchored not stored refs pending

Value-Function-based Sequential Minimization for Bi-level Optimization

Jin Zhang, Risheng Liu, Shangzhi Zeng, Xuan Liu, Yixuan Zhang

arxiv:2110.04974 v2 · 2021-10-11 · cs.LG · 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{VIPKXJSJDENQKA5RJ2L5NG7YJY}

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	2026-07-05T06:07:28.819417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa1eaba649191b0503b14e97d69bf84e08fbcc0754f5c90e09fdf9fae5e0d078

Aliases

arxiv: 2110.04974 · arxiv_version: 2110.04974v2 · doi: 10.48550/arxiv.2110.04974 · pith_short_12: VIPKXJSJDENQ · pith_short_16: VIPKXJSJDENQKA5R · pith_short_8: VIPKXJSJ

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/VIPKXJSJDENQKA5RJ2L5NG7YJY \
  | 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: aa1eaba649191b0503b14e97d69bf84e08fbcc0754f5c90e09fdf9fae5e0d078

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "150a7019e703abaa1bbee135ba39e7e7234a15d1330c67571fd8fa964ac415d7",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-10-11T03:13:39Z",
    "title_canon_sha256": "152285615f71e54c5d19473f49984efdae1afcfe07c92d515dd6b87ba52326cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.04974",
    "kind": "arxiv",
    "version": 2
  }
}