Pith Number

pith:U6PLUCGV

pith:2019:U6PLUCGVJSEFWDH4V3SZEGYB3Y

not attested not anchored not stored refs pending

Convex-Concave Backtracking for Inertial Bregman Proximal Gradient Algorithms in Non-Convex Optimization

Mahesh Chandra Mukkamala, Peter Ochs, Shoham Sabach, Thomas Pock

arxiv:1904.03537 v2 · 2019-04-06 · math.OC · cs.CV · cs.LG · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U6PLUCGVJSEFWDH4V3SZEGYB3Y}

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	2026-06-04T20:14:23.526215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a79eba08d54c885b0cfcaee5921b01de26dbe97a0a1f587bbec9afd031e5c90e

Aliases

arxiv: 1904.03537 · arxiv_version: 1904.03537v2 · doi: 10.48550/arxiv.1904.03537 · pith_short_12: U6PLUCGVJSEF · pith_short_16: U6PLUCGVJSEFWDH4 · pith_short_8: U6PLUCGV

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/U6PLUCGVJSEFWDH4V3SZEGYB3Y \
  | 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: a79eba08d54c885b0cfcaee5921b01de26dbe97a0a1f587bbec9afd031e5c90e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fbec3fc92eee12ee876f09c0dd3e1ef9a1514f65d6f226f8c6c51d7c88e2cf8",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-04-06T21:59:02Z",
    "title_canon_sha256": "e9653b88ded0cea645aaf19525f206232c666ab04d2dc2c0baba29ca9b7e5e31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03537",
    "kind": "arxiv",
    "version": 2
  }
}