Pith Number

pith:I7XD3JVM

pith:2019:I7XD3JVMAYKMF2KJUUUA25ULTD

not attested not anchored not stored refs pending

Variable Metric Proximal Gradient Method with Diagonal Barzilai-Borwein Stepsize

Mohak Shah, Sauptik Dhar, Stephen Boyd, Youngsuk Park

arxiv:1910.07056 v1 · 2019-10-15 · 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{I7XD3JVMAYKMF2KJUUUA25ULTD}

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	2026-07-05T00:12:32.457746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47ee3da6ac0614c2e949a5280d768b98ef12f02ff0fbed5a22d5b765543ed487

Aliases

arxiv: 1910.07056 · arxiv_version: 1910.07056v1 · doi: 10.48550/arxiv.1910.07056 · pith_short_12: I7XD3JVMAYKM · pith_short_16: I7XD3JVMAYKMF2KJ · pith_short_8: I7XD3JVM

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/I7XD3JVMAYKMF2KJUUUA25ULTD \
  | 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: 47ee3da6ac0614c2e949a5280d768b98ef12f02ff0fbed5a22d5b765543ed487

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8cecb97883aa167bea776a6f8472957c10af0ca7844f630f0bd7f4cb5cc6a35",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-10-15T21:04:11Z",
    "title_canon_sha256": "e3fd0912a928a40be8e8f1c08593027b3cfe2040f68782dd7fe71d662094f20b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.07056",
    "kind": "arxiv",
    "version": 1
  }
}