Pith Number

pith:VSAFZPZL

pith:2011:VSAFZPZLEQPREW2XZ23KP5UTKQ

not attested not anchored not stored refs pending

Galaxy Morphology

Ronald J. Buta

arxiv:1102.0550 v1 · 2011-02-02 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VSAFZPZLEQPREW2XZ23KP5UTKQ}

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

A catalog of ringed galaxies in the TNG50 simulation: Analysis of their properties and structure

Receipt and verification

First computed	2026-05-18T04:30:04.807460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac805cbf2b241f125b57ceb6a7f693541dd20afee4d64abcf4b833ff23e6bf28

Aliases

arxiv: 1102.0550 · arxiv_version: 1102.0550v1 · doi: 10.48550/arxiv.1102.0550 · pith_short_12: VSAFZPZLEQPR · pith_short_16: VSAFZPZLEQPREW2X · pith_short_8: VSAFZPZL

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/VSAFZPZLEQPREW2XZ23KP5UTKQ \
  | 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: ac805cbf2b241f125b57ceb6a7f693541dd20afee4d64abcf4b833ff23e6bf28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af975786996517062d87a830c700309f006b1f6342ab9b4fd844e1648350ada2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-02T20:37:51Z",
    "title_canon_sha256": "57b660e22632c7316503486783482633bd04a990f1de6e2381f71039ad16ee6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0550",
    "kind": "arxiv",
    "version": 1
  }
}