Pith Number

pith:M7UOB4O4

pith:2026:M7UOB4O43ZF452Q6BJSVRLNWXO

not attested not anchored not stored refs pending

Improving Improved Kernel PLS

Ole-Christian Galbo Engstr{\o}m

arxiv:2607.16138 v1 · 2026-07-17 · 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{M7UOB4O43ZF452Q6BJSVRLNWXO}

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	2026-07-20T02:19:35.326853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67e8e0f1dcde4bceea1e0a6558adb6bba08d97435b34a14699df729d800b23ed

Aliases

arxiv: 2607.16138 · arxiv_version: 2607.16138v1 · doi: 10.48550/arxiv.2607.16138 · pith_short_12: M7UOB4O43ZF4 · pith_short_16: M7UOB4O43ZF452Q6 · pith_short_8: M7UOB4O4

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/M7UOB4O43ZF452Q6BJSVRLNWXO \
  | 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: 67e8e0f1dcde4bceea1e0a6558adb6bba08d97435b34a14699df729d800b23ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3298b159712d45f3bb54ad9b3e6c4bfe736c8ec97d64b224ffc1c7863c5c7ad2",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-17T17:19:04Z",
    "title_canon_sha256": "b44d8e50eb55595a483ca182163b4f72242877c0a8986a445930c4a59d0446ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16138",
    "kind": "arxiv",
    "version": 1
  }
}