Pith Number

pith:PMHAHOBV

pith:2026:PMHAHOBVSCJEACRNET7NIYD4L6

not attested not anchored not stored refs pending

Constrained Optimization on Matrix Lie Groups via Interior-Point Method

Acl\'ecio J. Santos, Guilherme V. Raffo, Jean C. Pereira

arxiv:2603.28747 v1 · 2026-03-30 · math.OC · cs.SY · eess.SY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PMHAHOBVSCJEACRNET7NIYD4L6}

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	2026-08-04T00:31:13.642689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b0e03b8359092400a2d24fed4607c5fa2bbb9d0979e7d4e6c682042c1bb28d4

Aliases

arxiv: 2603.28747 · arxiv_version: 2603.28747v1 · doi: 10.48550/arxiv.2603.28747 · pith_short_12: PMHAHOBVSCJE · pith_short_16: PMHAHOBVSCJEACRN · pith_short_8: PMHAHOBV

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/PMHAHOBVSCJEACRNET7NIYD4L6 \
  | 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: 7b0e03b8359092400a2d24fed4607c5fa2bbb9d0979e7d4e6c682042c1bb28d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ae1bc2ef52be6af31bdbb41684f70dc4b0336f56c5619a2af0d8ba3ba20f777",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-03-30T17:53:15Z",
    "title_canon_sha256": "a49e3433c07747cfd847717648bce1910685cf231be2770dcf3c82f6db92bc9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.28747",
    "kind": "arxiv",
    "version": 1
  }
}