Pith Number

pith:DXZUKRFM

pith:2025:DXZUKRFM7QJLFQ34YS7W4QKYHZ

not attested not anchored not stored refs pending

Algorithms and SQ Lower Bounds for Robustly Learning Real-valued Multi-index Models

Daniel M. Kane, Giannis Iakovidis, Ilias Diakonikolas, Lisheng Ren

arxiv:2505.21475 v1 · 2025-05-27 · cs.LG · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DXZUKRFM7QJLFQ34YS7W4QKYHZ}

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	2026-07-05T11:10:42.538136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1df34544acfc12b2c37cc4bf6e41583e4c20dda8232ea8585a1cb566a6aa1e5b

Aliases

arxiv: 2505.21475 · arxiv_version: 2505.21475v1 · doi: 10.48550/arxiv.2505.21475 · pith_short_12: DXZUKRFM7QJL · pith_short_16: DXZUKRFM7QJLFQ34 · pith_short_8: DXZUKRFM

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/DXZUKRFM7QJLFQ34YS7W4QKYHZ \
  | 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: 1df34544acfc12b2c37cc4bf6e41583e4c20dda8232ea8585a1cb566a6aa1e5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5544bb561673ab02868fbc81a07d81f95a391feabe0e58eb4073e737f9529476",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-27T17:47:26Z",
    "title_canon_sha256": "7bcf58dbb84e989bbcfaac21aaeadd3bffd0bc5e64dcaa5d0ac59133085f37fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21475",
    "kind": "arxiv",
    "version": 1
  }
}