Pith Number

pith:EYFMYMBL

pith:2018:EYFMYMBLXMW2FX75RL6TR5UAJS

not attested not anchored not stored refs pending

Gradient Sampling Methods for Nonsmooth Optimization

Adrian S. Lewis, Frank E. Curtis, James V. Burke, Lucas E.A. Sim\~oes, Michael L. Overton

arxiv:1804.11003 v1 · 2018-04-29 · 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{EYFMYMBLXMW2FX75RL6TR5UAJS}

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	2026-05-18T00:17:14.917386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

260acc302bbb2da2dffd8afd38f6804ca48c0ea21c6380ab40cbf9702fab283b

Aliases

arxiv: 1804.11003 · arxiv_version: 1804.11003v1 · doi: 10.48550/arxiv.1804.11003 · pith_short_12: EYFMYMBLXMW2 · pith_short_16: EYFMYMBLXMW2FX75 · pith_short_8: EYFMYMBL

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/EYFMYMBLXMW2FX75RL6TR5UAJS \
  | 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: 260acc302bbb2da2dffd8afd38f6804ca48c0ea21c6380ab40cbf9702fab283b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "568aeac155991b5361d8c70cb1eedbda7ca9932eecf7c8bb9e0de8e2bb427ef5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-04-29T23:18:37Z",
    "title_canon_sha256": "5ee3ba8a04dcff499419c74119c79ca5f333aa959ca644782f808bdfc0682b47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.11003",
    "kind": "arxiv",
    "version": 1
  }
}