Pith Number

pith:AXJ3PHEM

pith:2026:AXJ3PHEMXNOADFE6BFSL5K3OFC

not attested not anchored not stored refs pending

TANDEM: Bi-Level Data Mixture Optimization with Twin Networks

Deping Xiang, Guoqiang Gong, Haoran Li, Jiaxing Wang, Jin Xu, Ju Fan, Ke Zhang, Mingyang Yi, Pengzhang Liu, Qixiang Jiang, Zhen Chen, Zicheng Zhang

arxiv:2606.04401 v1 · 2026-06-03 · 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{AXJ3PHEMXNOADFE6BFSL5K3OFC}

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	2026-06-04T01:09:06.726458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05d3b79c8cbb5c01949e0964beab6e28abb2386bd3b966f9379d4d77c61650b6

Aliases

arxiv: 2606.04401 · arxiv_version: 2606.04401v1 · doi: 10.48550/arxiv.2606.04401 · pith_short_12: AXJ3PHEMXNOA · pith_short_16: AXJ3PHEMXNOADFE6 · pith_short_8: AXJ3PHEM

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/AXJ3PHEMXNOADFE6BFSL5K3OFC \
  | 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: 05d3b79c8cbb5c01949e0964beab6e28abb2386bd3b966f9379d4d77c61650b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d4444eec9abf9fd941ff5e3a431e6d6de3761827ae9a1d50648d7d079154e26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-03T03:28:46Z",
    "title_canon_sha256": "cfc6bc72f96f87add87210c49e44a0e8114b4e8cc69eaaab4148bc6a04de71c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04401",
    "kind": "arxiv",
    "version": 1
  }
}