Pith Number

pith:VBO7SDQB

pith:2023:VBO7SDQBMWYPGCAIDGAQX4NDAP

not attested not anchored not stored refs pending

On a Frank-Wolfe Approach for Abs-smooth Functions

Andrea Walther, Sebastian Pokutta, Timo Kreimeier, Zev Woodstock

arxiv:2303.09881 v2 · 2023-03-17 · 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{VBO7SDQBMWYPGCAIDGAQX4NDAP}

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	2026-07-05T06:32:37.799853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a85df90e0165b0f3080819810bf1a303cd66f868d2d7a1401660816235ae01d1

Aliases

arxiv: 2303.09881 · arxiv_version: 2303.09881v2 · doi: 10.48550/arxiv.2303.09881 · pith_short_12: VBO7SDQBMWYP · pith_short_16: VBO7SDQBMWYPGCAI · pith_short_8: VBO7SDQB

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/VBO7SDQBMWYPGCAIDGAQX4NDAP \
  | 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: a85df90e0165b0f3080819810bf1a303cd66f868d2d7a1401660816235ae01d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2334bfc295c8b639afee3701d1d51c2cb948563c2d2137e9dbc4492258bdb59",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2023-03-17T10:55:55Z",
    "title_canon_sha256": "afd6f8135cacaaa52d3bad72a3a9778718f8842547ca9cd367888064622d169e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.09881",
    "kind": "arxiv",
    "version": 2
  }
}