Pith Number

pith:MWI5RHFI

pith:2014:MWI5RHFIFJAPVR5YRCNOL2LG3V

not attested not anchored not stored refs pending

Fast Bundle-Level Type Methods for unconstrained and ball-constrained convex optimization

Guanghui Lan, Wei Zhang, Yunmei Chen, Yuyuan Ouyang

arxiv:1412.2128 v1 · 2014-12-05 · 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{MWI5RHFIFJAPVR5YRCNOL2LG3V}

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	2026-05-18T02:32:00.651661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6591d89ca82a40fac7b8889ae5e966dd79be6aa3bd07a83d4af34f17836df214

Aliases

arxiv: 1412.2128 · arxiv_version: 1412.2128v1 · doi: 10.48550/arxiv.1412.2128 · pith_short_12: MWI5RHFIFJAP · pith_short_16: MWI5RHFIFJAPVR5Y · pith_short_8: MWI5RHFI

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/MWI5RHFIFJAPVR5YRCNOL2LG3V \
  | 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: 6591d89ca82a40fac7b8889ae5e966dd79be6aa3bd07a83d4af34f17836df214

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a3142d66a970e4e60aec12aa94bfa39104c7ee9ca7e7411dc168f7c974f9056",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-12-05T20:41:34Z",
    "title_canon_sha256": "f3f02c2633d572724b476813f91a9c1ab1a8e84cb0166f1cd4e9b3bb47921224"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2128",
    "kind": "arxiv",
    "version": 1
  }
}