Pith Number

pith:NV77KJI5

pith:2020:NV77KJI5JVNDEV2DME2BXKETJ5

not attested not anchored not stored refs pending

One hundred SMUDGes in S-PLUS: ultra-diffuse galaxies flourish in the field

A. Cortesi, A. Dey, A. Kanaan, A. Molino, A. V. Smith Castelli, A. Werle, C. E. Barbosa, C. Mendes de Oliveira, D. Zaritsky, E. Pereira, F. R. Herpich, H. Zhang, J. A. Hernandez-Jimenez, L. Sampedro, M. V. Costa-Duarte, P. Coelho, R. A. Overzier, R. Cid Fernandes, R. Donnerstein, T. Ribeiro, T. Santos-Silva, W. Schoenell

arxiv:2002.05171 v1 · 2020-02-12 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NV77KJI5JVNDEV2DME2BXKETJ5}

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	2026-07-05T00:50:14.397415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d7ff5251d4d5a32574361341ba8934f79be962f10ad8910d04650dc610406dc

Aliases

arxiv: 2002.05171 · arxiv_version: 2002.05171v1 · doi: 10.48550/arxiv.2002.05171 · pith_short_12: NV77KJI5JVND · pith_short_16: NV77KJI5JVNDEV2D · pith_short_8: NV77KJI5

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/NV77KJI5JVNDEV2DME2BXKETJ5 \
  | 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: 6d7ff5251d4d5a32574361341ba8934f79be962f10ad8910d04650dc610406dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7acbb14c7274e6475a65231d3ad9292446ce080b3137d3d80a6b7231afafa5eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-02-12T19:00:03Z",
    "title_canon_sha256": "459789521fefe538338977b2c5d7832769627c1e1247fe1ce3542b263d87f711"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.05171",
    "kind": "arxiv",
    "version": 1
  }
}