Pith Number

pith:3SEYU6QX

pith:2018:3SEYU6QX57XZ5MWW7YV6LJU25M

not attested not anchored not stored refs pending

Provably Correct Automatic Subdifferentiation for Qualified Programs

Jason D. Lee, Sham Kakade

arxiv:1809.08530 v2 · 2018-09-23 · math.OC · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3SEYU6QX57XZ5MWW7YV6LJU25M}

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	2026-05-17T23:56:29.392182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc898a7a17efef9eb2d6fe2be5a69aeb1b6b760a7cd51b6159e31b6564771db8

Aliases

arxiv: 1809.08530 · arxiv_version: 1809.08530v2 · doi: 10.48550/arxiv.1809.08530 · pith_short_12: 3SEYU6QX57XZ · pith_short_16: 3SEYU6QX57XZ5MWW · pith_short_8: 3SEYU6QX

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/3SEYU6QX57XZ5MWW7YV6LJU25M \
  | 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: dc898a7a17efef9eb2d6fe2be5a69aeb1b6b760a7cd51b6159e31b6564771db8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b21d8268ec4a56491effc944e54b94a7b89ac8565f314091c04d5d15de9a41a",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-09-23T04:22:22Z",
    "title_canon_sha256": "253de657ecd4ce4197d26cad11b415abaf19ec4bf1bce9e14306735934d4a836"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08530",
    "kind": "arxiv",
    "version": 2
  }
}