Pith Number

pith:UQG6X5AD

pith:2026:UQG6X5ADC7UHL4EL7VHVKCXSVX

not attested not anchored not stored refs pending

First-order Constrained Trilevel Optimization Over Distributed Networks for Robust Coreset Selection

Ilhem Fajjari, Kaixuan Jiao, Kai Yang, Nadjib Aitsaadi, Renwei (Richard) Li, Yang Jiao

arxiv:2607.27632 v1 · 2026-07-30 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UQG6X5ADC7UHL4EL7VHVKCXSVX}

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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	2026-07-31T01:28:40.423545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

a40debf40317e875f08bfd4f550af2ade93b74110b901367c2772ccabb33f6db

Aliases

arxiv: 2607.27632 · arxiv_version: 2607.27632v1 · doi: 10.48550/arxiv.2607.27632 · pith_short_12: UQG6X5ADC7UH · pith_short_16: UQG6X5ADC7UHL4EL · pith_short_8: UQG6X5AD

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/UQG6X5ADC7UHL4EL7VHVKCXSVX \
  | 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: a40debf40317e875f08bfd4f550af2ade93b74110b901367c2772ccabb33f6db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e141059cd8c46c2d228c6ee59bccb87dfec505b63c7095ccb38c32d8a2da06f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-30T03:43:18Z",
    "title_canon_sha256": "53e3f5089512ae5627a73ffb2bdd0749604868e9f80ec55d2ab60dbee2e01588"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27632",
    "kind": "arxiv",
    "version": 1
  }
}