Pith Number

pith:QC5L34NB

pith:2022:QC5L34NBVVT5TW4YLMSFQB75ZT

not attested not anchored not stored refs pending

Methodology and first-order algorithms for solving nonsmooth and non-strongly convex bilevel optimization problems

Lior Doron, Shimrit Shtern

arxiv:2212.09843 v1 · 2022-12-19 · 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{QC5L34NBVVT5TW4YLMSFQB75ZT}

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	2026-07-05T05:27:00.466728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80babdf1a1ad67d9db985b245807fdcce6c3cfb0c54229320adc42e4a5ce9213

Aliases

arxiv: 2212.09843 · arxiv_version: 2212.09843v1 · doi: 10.48550/arxiv.2212.09843 · pith_short_12: QC5L34NBVVT5 · pith_short_16: QC5L34NBVVT5TW4Y · pith_short_8: QC5L34NB

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/QC5L34NBVVT5TW4YLMSFQB75ZT \
  | 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: 80babdf1a1ad67d9db985b245807fdcce6c3cfb0c54229320adc42e4a5ce9213

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bd9d5e64624670d8a8350229481414b1f9b5c5bc3befe854581705503893980",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-12-19T20:40:58Z",
    "title_canon_sha256": "d074bd20df8dda44cbe4e017d5cc836dbbd5e7e06f405cf5b23fa6cf5c73221b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.09843",
    "kind": "arxiv",
    "version": 1
  }
}