Pith Number

pith:OTSGXAZE

pith:2018:OTSGXAZE2S6ZEV3F7656BUV52O

not attested not anchored not stored refs pending

Multi-Level Stochastic Gradient Methods for Nested Composition Optimization

Ethan X. Fang, Mengdi Wang, Shuoguang Yang

arxiv:1801.03600 v2 · 2018-01-11 · 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{OTSGXAZE2S6ZEV3F7656BUV52O}

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	2026-05-18T00:26:12.355099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74e46b8324d4bd925765ffbbe0d2bdd3848e4224cd6ae4371dfeda0d4079fc8a

Aliases

arxiv: 1801.03600 · arxiv_version: 1801.03600v2 · doi: 10.48550/arxiv.1801.03600 · pith_short_12: OTSGXAZE2S6Z · pith_short_16: OTSGXAZE2S6ZEV3F · pith_short_8: OTSGXAZE

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/OTSGXAZE2S6ZEV3F7656BUV52O \
  | 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: 74e46b8324d4bd925765ffbbe0d2bdd3848e4224cd6ae4371dfeda0d4079fc8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "581ebd7f0b597904844f160d929c35f0ef45067fa433f0eeb8ffc4412104ecfe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-01-11T00:45:49Z",
    "title_canon_sha256": "fc949573981d6028b09ec27ab9571f3e211b32ab9cc5ed03d04665f32c657016"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03600",
    "kind": "arxiv",
    "version": 2
  }
}