Pith Number

pith:2NCY2NFB

pith:2021:2NCY2NFBSNRQEAH5AK552UQ5ID

not attested not anchored not stored refs pending

The Fornax Cluster through S-PLUS

A. Chies Santos, A. Cortesi, A.L. de Amorim, A.R. Lopes, A.V. Smith Castelli, C.E. Barbosa, C. Escudero, C. Mendes de Oliveira, C.R. de Bom, E. Telles, E.V.R. de Lima, F. Herpich, F.R. Faifer, G.B. Oliveira Schwarz, I. Andruchow, I. Souza de Almeida Garcia, J.C.R. Abboud, J. Saponara, L. Sesto, L. Sodre, L. Zenocratti, M.E. De Rossi, M.F. Mestre, M. Grossi, M.L.L. Dantas, R. Cid Fernandes, V. Cernic, V. Reynaldi

arxiv:2104.07524 v1 · 2021-04-15 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2NCY2NFBSNRQEAH5AK552UQ5ID}

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	2026-07-05T02:32:29.228872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3458d34a193630200fd02bbdd521d40e7177417fc916ed8adacc40e2aa66d55

Aliases

arxiv: 2104.07524 · arxiv_version: 2104.07524v1 · doi: 10.48550/arxiv.2104.07524 · pith_short_12: 2NCY2NFBSNRQ · pith_short_16: 2NCY2NFBSNRQEAH5 · pith_short_8: 2NCY2NFB

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/2NCY2NFBSNRQEAH5AK552UQ5ID \
  | 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: d3458d34a193630200fd02bbdd521d40e7177417fc916ed8adacc40e2aa66d55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c804e56a5953f9a97ce4cddd720014feab0cbbc3c01876146590ddf66df5f78",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-04-15T15:22:40Z",
    "title_canon_sha256": "9e79706d846c2350419d5870f9abc0bef08b1f84e3a384c04bb6034693552f35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07524",
    "kind": "arxiv",
    "version": 1
  }
}