Pith Number

pith:KQQRHOVT

pith:2025:KQQRHOVTNTZ6Q6ZYC4BVLWHHYY

not attested not anchored not stored refs pending

Theoretical Validation of the Latent Optimally Partitioned-$\ell_2/\ell_1$ Penalty with Application to Angular Power Spectrum Estimation

Hiroki Kuroda, Masahiro Yukawa, Renato Luis Garrido Cavalcante

arxiv:2509.13745 v3 · 2025-09-17 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KQQRHOVTNTZ6Q6ZYC4BVLWHHYY}

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	2026-05-28T01:04:30.423467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

542113bab36cf3e87b38170355d8e7c6175c9578e5a93f9a2a3cb4ed3fdaded5

Aliases

arxiv: 2509.13745 · arxiv_version: 2509.13745v3 · doi: 10.48550/arxiv.2509.13745 · pith_short_12: KQQRHOVTNTZ6 · pith_short_16: KQQRHOVTNTZ6Q6ZY · pith_short_8: KQQRHOVT

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/KQQRHOVTNTZ6Q6ZYC4BVLWHHYY \
  | 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: 542113bab36cf3e87b38170355d8e7c6175c9578e5a93f9a2a3cb4ed3fdaded5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66c953fdac08c819be0297e7cfceaab94b4f43d2b68b471eb53199a3e94de92f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-09-17T07:00:08Z",
    "title_canon_sha256": "a1647f33cdad029ec8cc4add504a30f9931905881b6ad35f5ce393d9e073be59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.13745",
    "kind": "arxiv",
    "version": 3
  }
}