Pith Number

pith:YC4CCIFS

pith:2017:YC4CCIFSW37RNKOPSCSV6ZF4DQ

not attested not anchored not stored refs pending

Galactic Rings Revisited. I. CVRHS Classifications of 3962 Ringed Galaxies from the Galaxy Zoo 2 Database

R. J. Buta (University of Alabama)

arxiv:1707.06589 v1 · 2017-07-20 · 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{YC4CCIFSW37RNKOPSCSV6ZF4DQ}

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

Morphological Classification of Galaxies

Receipt and verification

First computed	2026-05-18T00:36:28.373766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0b82120b2b6ff16a9cf90a55f64bc1c14f4fba966d324f80893a286d988dad0

Aliases

arxiv: 1707.06589 · arxiv_version: 1707.06589v1 · doi: 10.48550/arxiv.1707.06589 · pith_short_12: YC4CCIFSW37R · pith_short_16: YC4CCIFSW37RNKOP · pith_short_8: YC4CCIFS

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/YC4CCIFSW37RNKOPSCSV6ZF4DQ \
  | 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: c0b82120b2b6ff16a9cf90a55f64bc1c14f4fba966d324f80893a286d988dad0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50622b29fb1d016754fd282824d0bf70e4a39754d3097ad2304f35239d9e569c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-07-20T16:19:31Z",
    "title_canon_sha256": "5192117724f21198312bb864cad2b836af81222b167a18167c494707a9c2e04e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06589",
    "kind": "arxiv",
    "version": 1
  }
}