Pith Number

pith:UMW3APMZ

pith:2019:UMW3APMZI4XEEKIRWXTCP7KLIF

not attested not anchored not stored refs pending

A Simultaneous Perturbation Weak Derivative Estimator for Stochastic Neural Networks

Felisa V\'azquez-Abad, Thomas Flynn

arxiv:1905.01350 v1 · 2019-05-03 · 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{UMW3APMZI4XEEKIRWXTCP7KLIF}

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	2026-05-17T23:47:00.951570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a32db03d99472e422911b5e627fd4b417723c54e72ed13726289cbc81408ff30

Aliases

arxiv: 1905.01350 · arxiv_version: 1905.01350v1 · doi: 10.48550/arxiv.1905.01350 · pith_short_12: UMW3APMZI4XE · pith_short_16: UMW3APMZI4XEEKIR · pith_short_8: UMW3APMZ

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/UMW3APMZI4XEEKIRWXTCP7KLIF \
  | 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: a32db03d99472e422911b5e627fd4b417723c54e72ed13726289cbc81408ff30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "075a968c3e316a4fd63cea1095816c4d8608f7e02d821e3205affd6dd445505a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-05-03T19:50:47Z",
    "title_canon_sha256": "1b86b70f55e1d58e2d4c1abe97db402a85b784178029526084637735744c90bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01350",
    "kind": "arxiv",
    "version": 1
  }
}