Pith Number

pith:TRZLVNS3

pith:2025:TRZLVNS3VMNTVJZSMG5LRRLONS

not attested not anchored not stored refs pending

The Power of Random Features and the Limits of Distribution-Free Gradient Descent

Ari Karchmer, Eran Malach

arxiv:2505.10423 v1 · 2025-05-15 · 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{TRZLVNS3VMNTVJZSMG5LRRLONS}

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	2026-07-05T11:03:38.197407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c72bab65bab1b3aa73261bab8c56e6ca85f2a34270580f034bd12dbf2628bdb

Aliases

arxiv: 2505.10423 · arxiv_version: 2505.10423v1 · doi: 10.48550/arxiv.2505.10423 · pith_short_12: TRZLVNS3VMNT · pith_short_16: TRZLVNS3VMNTVJZS · pith_short_8: TRZLVNS3

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/TRZLVNS3VMNTVJZSMG5LRRLONS \
  | 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: 9c72bab65bab1b3aa73261bab8c56e6ca85f2a34270580f034bd12dbf2628bdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92c6109213d13bed10de9925a9a9c14d0d2e15333ac0607fe3f0806549e46810",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-15T15:39:28Z",
    "title_canon_sha256": "5de56b1bc2bd5535b71a7b4561a20cdd48030686b142c01f80d1accb57b1734e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.10423",
    "kind": "arxiv",
    "version": 1
  }
}