Pith Number

pith:EA6W4XOZ

pith:2018:EA6W4XOZAA4FZRP3GYGCPY75X4

not attested not anchored not stored refs pending

Convergence rates of proximal gradient methods via the convex conjugate

David H. Gutman, Javier F. Pena

arxiv:1801.02509 v2 · 2018-01-08 · 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{EA6W4XOZAA4FZRP3GYGCPY75X4}

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	2026-05-18T00:26:22.905561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

203d6e5dd900385cc5fb360c27e3fdbf37fae0bd05c52c1a93af7ab838bf8d61

Aliases

arxiv: 1801.02509 · arxiv_version: 1801.02509v2 · doi: 10.48550/arxiv.1801.02509 · pith_short_12: EA6W4XOZAA4F · pith_short_16: EA6W4XOZAA4FZRP3 · pith_short_8: EA6W4XOZ

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/EA6W4XOZAA4FZRP3GYGCPY75X4 \
  | 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: 203d6e5dd900385cc5fb360c27e3fdbf37fae0bd05c52c1a93af7ab838bf8d61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e8f72d57588a2403665e6333ab81bfcfc54ccc942122ea244fbe2a2abc3e6f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-01-08T15:36:49Z",
    "title_canon_sha256": "cef68f902d141db0d6670cb9712e25bc616f7a937476574e00e748f0c194e02a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02509",
    "kind": "arxiv",
    "version": 2
  }
}