Pith Number

pith:Y62DJVTV

pith:2020:Y62DJVTVU5VFMVPUT55QFAQNQV

not attested not anchored not stored refs pending

Investigating Clumpy Galaxies in the Sloan Digital Sky Survey Stripe 82 using the Galaxy Zoo

Brooke Simmons, Claudia Scarlata, Dominic Adams, Hugh Dickinson, Jacopo Chevallard, Lucy Fortson, Melanie Beck, Sandor Kruk, St\'ephane Charlot, Vihang Mehta

arxiv:2011.01232 v2 · 2020-11-02 · 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{Y62DJVTVU5VFMVPUT55QFAQNQV}

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	2026-07-05T02:39:06.795440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7b434d675a76a5655f49f7b02820d8560d6cc18010155e2dcb858a3eae761a0

Aliases

arxiv: 2011.01232 · arxiv_version: 2011.01232v2 · doi: 10.48550/arxiv.2011.01232 · pith_short_12: Y62DJVTVU5VF · pith_short_16: Y62DJVTVU5VFMVPU · pith_short_8: Y62DJVTV

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/Y62DJVTVU5VFMVPUT55QFAQNQV \
  | 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: c7b434d675a76a5655f49f7b02820d8560d6cc18010155e2dcb858a3eae761a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1dadadf7cd83f83819a248440f75698b6c6ec973a173c781e434a55d328cee7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-11-02T19:00:00Z",
    "title_canon_sha256": "58d5cf4cc0c518fc915dac3f7a0adf6a5cab746cad336ab2477aa734a41e05c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.01232",
    "kind": "arxiv",
    "version": 2
  }
}