Pith Number

pith:MY2U6ZAF

pith:2024:MY2U6ZAF3P6YZRB5D6L44EVQA7

not attested not anchored not stored refs pending

Projection onto hyperbolicity cones and beyond: a dual Frank-Wolfe approach

Akiko Takeda, Bruno F. Louren\c{c}o, Takayuki Nagano

arxiv:2407.09213 v5 · 2024-07-12 · 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{MY2U6ZAF3P6YZRB5D6L44EVQA7}

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.

Cited by

1 paper in Pith

Minimal polynomials, scaled Jordan frames, and Schur-type majorization in hyperbolic systems

Receipt and verification

First computed	2026-06-19T16:12:12.800806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66354f6405dbfd8cc43d1f97ce12b007ce790bdb86e7748262614824bc67b309

Aliases

arxiv: 2407.09213 · arxiv_version: 2407.09213v5 · doi: 10.48550/arxiv.2407.09213 · pith_short_12: MY2U6ZAF3P6Y · pith_short_16: MY2U6ZAF3P6YZRB5 · pith_short_8: MY2U6ZAF

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/MY2U6ZAF3P6YZRB5D6L44EVQA7 \
  | 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: 66354f6405dbfd8cc43d1f97ce12b007ce790bdb86e7748262614824bc67b309

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9191a22cc958c20e3a63d611b39034d72f2edfd6f5a2c510c8c8b09759491bcc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2024-07-12T12:24:25Z",
    "title_canon_sha256": "35fa6effb385a43af7e92e2fabc4d19403b5c6b3ce2f0c08088d55c6b2e7cd5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.09213",
    "kind": "arxiv",
    "version": 5
  }
}