Pith Number

pith:WMPMGJ7W

pith:2019:WMPMGJ7WCL3ZTOLZCWPBKZZJ6S

not attested not anchored not stored refs pending

Inner and outer rings are not strongly coupled with stellar bars

Heikki Salo, Johan H. Knapen, Sergio D\'iaz-Su\'arez, Sim\'on D\'iaz-Garc\'ia

arxiv:1904.04222 v3 · 2019-04-08 · 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{WMPMGJ7WCL3ZTOLZCWPBKZZJ6S}

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

The Systematics of Galaxy Morphology in the Comprehensive de Vaucouleurs revised Hubble-Sandage Classification System: Application to the EFIGI Sample

Receipt and verification

First computed	2026-05-17T23:44:54.556214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b31ec327f612f799b979159e156729f48404f7731f8ff1c2400f8b10089e2c98

Aliases

arxiv: 1904.04222 · arxiv_version: 1904.04222v3 · doi: 10.48550/arxiv.1904.04222 · pith_short_12: WMPMGJ7WCL3Z · pith_short_16: WMPMGJ7WCL3ZTOLZ · pith_short_8: WMPMGJ7W

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/WMPMGJ7WCL3ZTOLZCWPBKZZJ6S \
  | 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: b31ec327f612f799b979159e156729f48404f7731f8ff1c2400f8b10089e2c98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad04212e942736f5ecd6c6b9f03b97d12588634d21c902e1d7320dd28b4f6782",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-08T17:45:02Z",
    "title_canon_sha256": "80b2868e9268a350ad1637890722d7c107bb9cf8673ba0d2182ef1b830017f3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04222",
    "kind": "arxiv",
    "version": 3
  }
}