Pith Number

pith:QHMP4W2Q

pith:2025:QHMP4W2QJFHQPOWR3LFHMDNIG5

not attested not anchored not stored refs pending

Training NTK to Generalize with KARE

Bryan Kelly, Johannes Schwab, Semyon Malamud, Teng Andrea Xu

arxiv:2505.11347 v2 · 2025-05-16 · 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{QHMP4W2QJFHQPOWR3LFHMDNIG5}

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	2026-07-05T11:06:32.409372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81d8fe5b50494f07bad1daca760da8376070c8c121eba61028c3d2f43f9ff0b7

Aliases

arxiv: 2505.11347 · arxiv_version: 2505.11347v2 · doi: 10.48550/arxiv.2505.11347 · pith_short_12: QHMP4W2QJFHQ · pith_short_16: QHMP4W2QJFHQPOWR · pith_short_8: QHMP4W2Q

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/QHMP4W2QJFHQPOWR3LFHMDNIG5 \
  | 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: 81d8fe5b50494f07bad1daca760da8376070c8c121eba61028c3d2f43f9ff0b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9141b2e80adb2b1c4896350578fa63b13e0b5e60a22a9573daccf3cebb519b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-16T15:13:30Z",
    "title_canon_sha256": "3f06883bef8c04be73aa0bd8d3a69303d37b1377b8b224381753df5af04d8e81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.11347",
    "kind": "arxiv",
    "version": 2
  }
}