Pith Number

pith:Q72HASI3

pith:2025:Q72HASI3LIZCP67E2P3ZJKTY3R

not attested not anchored not stored refs pending

An Unsupervised Machine Learning Approach to Identify Spectral Energy Distribution Outliers: Application to the S-PLUS DR4 data

A. Kanaan, C. B. Pereira, F. Quispe-Huaynasi, F. Roig, F. Sestito, M. Borges Fernandes, N. Holanda, P. K. Humire, R. Lopes de Oliveira, Romualdo Eleut\'erio, S. Daflon, T. Ribeiro, V. Loaiza-Tacuri, V. M. Placco, W. Schoenell

arxiv:2504.18491 v1 · 2025-04-25 · astro-ph.SR · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q72HASI3LIZCP67E2P3ZJKTY3R}

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	2026-07-05T10:54:08.538914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87f470491b5a3227fbe4d3f794aa78dc52ec365d49c1bd7ee2d25582e71ba174

Aliases

arxiv: 2504.18491 · arxiv_version: 2504.18491v1 · doi: 10.48550/arxiv.2504.18491 · pith_short_12: Q72HASI3LIZC · pith_short_16: Q72HASI3LIZCP67E · pith_short_8: Q72HASI3

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/Q72HASI3LIZCP67E2P3ZJKTY3R \
  | 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: 87f470491b5a3227fbe4d3f794aa78dc52ec365d49c1bd7ee2d25582e71ba174

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc38260575ce6d751cfd73d136bbaed402394d980ccb56e82f8849008883e627",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-04-25T17:01:30Z",
    "title_canon_sha256": "b3781881d29023bb52ff8137465b9e6fddf5ecc1ec8a434ec6b5301dcbc18702"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.18491",
    "kind": "arxiv",
    "version": 1
  }
}