Pith Number

pith:UQIJ2CZL

pith:2019:UQIJ2CZL5CLIBXJ3B5RLRMUB4O

not attested not anchored not stored refs pending

Distributed Learning in Non-Convex Environments -- Part II: Polynomial Escape from Saddle-Points

Ali H. Sayed, Stefan Vlaski

arxiv:1907.01849 v1 · 2019-07-03 · cs.MA · cs.LG · eess.SP · 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{UQIJ2CZL5CLIBXJ3B5RLRMUB4O}

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	2026-05-17T23:41:34.812435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4109d0b2be89680dd3b0f62b8b281e3b43ab72bf679dc20df0feb3c7ccf29d8

Aliases

arxiv: 1907.01849 · arxiv_version: 1907.01849v1 · doi: 10.48550/arxiv.1907.01849 · pith_short_12: UQIJ2CZL5CLI · pith_short_16: UQIJ2CZL5CLIBXJ3 · pith_short_8: UQIJ2CZL

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/UQIJ2CZL5CLIBXJ3B5RLRMUB4O \
  | 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: a4109d0b2be89680dd3b0f62b8b281e3b43ab72bf679dc20df0feb3c7ccf29d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "736425e96beff47fbd69e689e677b6572264a4cad3cf1d2b1849d4287ea94e7f",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.SP",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MA",
    "submitted_at": "2019-07-03T11:06:43Z",
    "title_canon_sha256": "cb3e03c0dbc7cff257929f4e9f218e625618e35e8736c5caaf771c2eb90bd542"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01849",
    "kind": "arxiv",
    "version": 1
  }
}