Pith Number

pith:5HZUWZ3E

pith:2020:5HZUWZ3EZSU7XKWG267GCUIFJ2

not attested not anchored not stored refs pending

Level-set Subdifferential Error Bounds and Linear Convergence of Variable Bregman Proximal Gradient Method

Daoli Zhu, Lei Zhao, Minghua Li, Sien Deng

arxiv:2008.13627 v1 · 2020-08-28 · 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{5HZUWZ3EZSU7XKWG267GCUIFJ2}

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	2026-07-05T01:31:39.370198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9f34b6764cca9fbaac6d7be6151054eaf7b8f0219531c0ee2041cef66b5a185

Aliases

arxiv: 2008.13627 · arxiv_version: 2008.13627v1 · doi: 10.48550/arxiv.2008.13627 · pith_short_12: 5HZUWZ3EZSU7 · pith_short_16: 5HZUWZ3EZSU7XKWG · pith_short_8: 5HZUWZ3E

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/5HZUWZ3EZSU7XKWG267GCUIFJ2 \
  | 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: e9f34b6764cca9fbaac6d7be6151054eaf7b8f0219531c0ee2041cef66b5a185

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82172a091b9433a0a046792218cde6b743e27c606ddebe1c582759e0b320440e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2020-08-28T12:32:47Z",
    "title_canon_sha256": "abf01c3601c732eb7d11c538021bb43960968b86022e767f92892ca0e42090e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.13627",
    "kind": "arxiv",
    "version": 1
  }
}