Pith Number

pith:J6Q6N72Y

pith:2021:J6Q6N72YEIL4DGS5L2J53KSPVZ

not attested not anchored not stored refs pending

Systematically Measuring Ultra-Diffuse Galaxies (SMUDGes). II. Expanded Survey Description and the Stripe 82 Catalog

Ananthan Karunakaran, Arjun Dey, Carlos E. Barbosa, Dennis Zaritsky, Huanian Zhang, Jennifer Kadowaki, Kristine Spekkens, Richard Donnerstein

arxiv:2109.03345 v1 · 2021-09-07 · 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{J6Q6N72YEIL4DGS5L2J53KSPVZ}

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.

Cited by

1 paper in Pith

New optical velocities for local galaxy candidates

Receipt and verification

First computed	2026-07-05T03:40:44.863282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fa1e6ff582217c19a5d5e93ddaa4fae5ffcf3af4def2f5ad67cf302cacd4b7b

Aliases

arxiv: 2109.03345 · arxiv_version: 2109.03345v1 · doi: 10.48550/arxiv.2109.03345 · pith_short_12: J6Q6N72YEIL4 · pith_short_16: J6Q6N72YEIL4DGS5 · pith_short_8: J6Q6N72Y

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/J6Q6N72YEIL4DGS5L2J53KSPVZ \
  | 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: 4fa1e6ff582217c19a5d5e93ddaa4fae5ffcf3af4def2f5ad67cf302cacd4b7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff9caa899fbf96d07e1a2eb6d7e086cff9a4581df59479227be3de1f59fc8711",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-09-07T21:32:05Z",
    "title_canon_sha256": "f3a946a01569e0f63364c523a0a2bde35bdf635ec20c33e78aa9cf4f4ea1f9f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.03345",
    "kind": "arxiv",
    "version": 1
  }
}