Pith Number

pith:EK5XPFHF

pith:2026:EK5XPFHFOUV5XQIHQG7FHD2OMR

not attested not anchored not stored refs pending

Inexactly Smooth Performance Estimation and New Optimized Gradient Methods

Aaron Zoll, Benjamin Grimmer

arxiv:2606.01505 v1 · 2026-06-01 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EK5XPFHFOUV5XQIHQG7FHD2OMR}

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	2026-06-02T02:04:34.994878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22bb7794e5752bdbc10781be538f4e647a6962cd089575bf04ba9f8c8a938e24

Aliases

arxiv: 2606.01505 · arxiv_version: 2606.01505v1 · doi: 10.48550/arxiv.2606.01505 · pith_short_12: EK5XPFHFOUV5 · pith_short_16: EK5XPFHFOUV5XQIH · pith_short_8: EK5XPFHF

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/EK5XPFHFOUV5XQIHQG7FHD2OMR \
  | 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: 22bb7794e5752bdbc10781be538f4e647a6962cd089575bf04ba9f8c8a938e24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae448171498a30e2a0015cfee72174774b934c7e2aaf2738bb17ef38cdbc704e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-06-01T00:05:46Z",
    "title_canon_sha256": "29b48d34f1a13cf8bd261210ddead75ea4716f3aa27d65fa6da8eb7fec783ceb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01505",
    "kind": "arxiv",
    "version": 1
  }
}