Pith Number

pith:IKJGQTSC

pith:2019:IKJGQTSCZ623TCLOE64ZOGQUAC

not attested not anchored not stored refs pending

Accelerated Stochastic Algorithms for Convex-Concave Saddle-Point Problems

Renbo Zhao

arxiv:1903.01687 v4 · 2019-03-05 · 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{IKJGQTSCZ623TCLOE64ZOGQUAC}

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	2026-07-05T02:30:40.417226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4292684e42cfb5b9896e27b9971a1400befad39b6793af325ec9a20146ae510a

Aliases

arxiv: 1903.01687 · arxiv_version: 1903.01687v4 · doi: 10.48550/arxiv.1903.01687 · pith_short_12: IKJGQTSCZ623 · pith_short_16: IKJGQTSCZ623TCLO · pith_short_8: IKJGQTSC

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/IKJGQTSCZ623TCLOE64ZOGQUAC \
  | 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: 4292684e42cfb5b9896e27b9971a1400befad39b6793af325ec9a20146ae510a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db5e73bf1c2d8f1d9ad496a1634fe2037606b402223bf4dff9e35dd762063537",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-03-05T06:03:54Z",
    "title_canon_sha256": "402f1d856abb6ecca18c6bb9ffcd24880cf8a7a11b3f458e27e341da7c3ba609"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01687",
    "kind": "arxiv",
    "version": 4
  }
}