Pith Number

pith:PI6XZTAH

pith:2016:PI6XZTAHZLOUE5XLEYRN3PRIB6

not attested not anchored not stored refs pending

Improved Optimistic Mirror Descent for Sparsity and Curvature

Parameswaran Kamalaruban

arxiv:1609.02383 v1 · 2016-09-08 · 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{PI6XZTAHZLOUE5XLEYRN3PRIB6}

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	2026-05-18T01:04:54.810824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a3d7ccc07cadd4276eb2622ddbe280fa84fd0f7455a93e60c0ffdf424217784

Aliases

arxiv: 1609.02383 · arxiv_version: 1609.02383v1 · doi: 10.48550/arxiv.1609.02383 · pith_short_12: PI6XZTAHZLOU · pith_short_16: PI6XZTAHZLOUE5XL · pith_short_8: PI6XZTAH

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/PI6XZTAHZLOUE5XLEYRN3PRIB6 \
  | 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: 7a3d7ccc07cadd4276eb2622ddbe280fa84fd0f7455a93e60c0ffdf424217784

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef938e3a9baed2856a50debd5cfc36d2dc04236611b25f77a18620dcfd74194a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-09-08T11:52:05Z",
    "title_canon_sha256": "8b8648836da00d975f5d13e3979762ef0b3950e23631395fe66a75f8796572d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02383",
    "kind": "arxiv",
    "version": 1
  }
}