Pith Number

pith:YJRPGJHB

pith:2026:YJRPGJHBILJFL4H2RY5IBLONUO

not attested not anchored not stored refs pending

Black-Box Assisted Regression: Phase Transitions and Minimax Optimality

Yan Zhou

arxiv:2606.25743 v1 · 2026-06-24 · 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{YJRPGJHBILJFL4H2RY5IBLONUO}

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	2026-06-25T01:18:14.097306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c262f324e142d255f0fa8e3a80adcda3aa19c1778900e3b8d5a3ed54f61bec5c

Aliases

arxiv: 2606.25743 · arxiv_version: 2606.25743v1 · doi: 10.48550/arxiv.2606.25743 · pith_short_12: YJRPGJHBILJF · pith_short_16: YJRPGJHBILJFL4H2 · pith_short_8: YJRPGJHB

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/YJRPGJHBILJFL4H2RY5IBLONUO \
  | 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: c262f324e142d255f0fa8e3a80adcda3aa19c1778900e3b8d5a3ed54f61bec5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb5de09f9bbce2f16376efd99e7d4f70fefd2be8d2cff4fbb0afdc6e58073a16",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-24T12:11:59Z",
    "title_canon_sha256": "96fb44b5834fe58a408607db728be6383541c906c17196b3133479dba9764f96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25743",
    "kind": "arxiv",
    "version": 1
  }
}