Pith Number

pith:AMLNEIHZ

pith:2019:AMLNEIHZ4QXB2BWMFD7KTIJMPT

not attested not anchored not stored refs pending

Extending the step-size restriction for gradient descent to avoid strict saddle points

Hayden Schaeffer, Scott G. McCalla

arxiv:1908.01753 v1 · 2019-08-05 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AMLNEIHZ4QXB2BWMFD7KTIJMPT}

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	2026-07-04T23:51:33.031350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0316d220f9e42e1d06cc28fea9a12c7cea8288d6b66bb51cd345a527a0adb1ff

Aliases

arxiv: 1908.01753 · arxiv_version: 1908.01753v1 · doi: 10.48550/arxiv.1908.01753 · pith_short_12: AMLNEIHZ4QXB · pith_short_16: AMLNEIHZ4QXB2BWM · pith_short_8: AMLNEIHZ

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/AMLNEIHZ4QXB2BWMFD7KTIJMPT \
  | 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: 0316d220f9e42e1d06cc28fea9a12c7cea8288d6b66bb51cd345a527a0adb1ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7443863002c048eb3c363a24fea28845801f846e943f4d0c0d3289501b05dea8",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-08-05T17:50:55Z",
    "title_canon_sha256": "a5f49b554520087aebc01626405347068d0f94d7f436e31f3bb9b02958516d55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01753",
    "kind": "arxiv",
    "version": 1
  }
}