Pith Number

pith:TZAAY4SC

pith:2023:TZAAY4SCQWTRH6JXXXULIVVB25

not attested not anchored not stored refs pending

A VMiPG method for composite optimization with nonsmooth term having no closed-form proximal mapping

Ruyu Liu, Shaohua Pan, Taiwei Zhang

arxiv:2308.13776 v2 · 2023-08-26 · 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{TZAAY4SCQWTRH6JXXXULIVVB25}

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	2026-07-05T08:05:01.448373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e400c724285a713f937bde8b456a1d7541a0d5e4b4a4609a70eac58f0d8e90b

Aliases

arxiv: 2308.13776 · arxiv_version: 2308.13776v2 · doi: 10.48550/arxiv.2308.13776 · pith_short_12: TZAAY4SCQWTR · pith_short_16: TZAAY4SCQWTRH6JX · pith_short_8: TZAAY4SC

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/TZAAY4SCQWTRH6JXXXULIVVB25 \
  | 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: 9e400c724285a713f937bde8b456a1d7541a0d5e4b4a4609a70eac58f0d8e90b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a54f2408b7aae7d188a3fb2561f75d15711edf1cea4c5d0ebed1c714e6fd415",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2023-08-26T05:53:18Z",
    "title_canon_sha256": "8351bb01d168e1363758c886dc69fa4bae90ed6de21c64e13babd452144713da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.13776",
    "kind": "arxiv",
    "version": 2
  }
}