Pith Number

pith:EAKLU6JI

pith:2012:EAKLU6JIBAD7NWFB44TK7E7YZG

not attested not anchored not stored refs pending

Luminosities of Barred and Unbarred S0 Galaxies

Sidney van den Bergh

arxiv:1205.6183 v1 · 2012-05-28 · 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{EAKLU6JIBAD7NWFB44TK7E7YZG}

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	2026-05-18T01:57:16.495823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2014ba79280807f6d8a1e726af93f8c98916c30298350b349d1727a5ac04f4b4

Aliases

arxiv: 1205.6183 · arxiv_version: 1205.6183v1 · doi: 10.48550/arxiv.1205.6183 · pith_short_12: EAKLU6JIBAD7 · pith_short_16: EAKLU6JIBAD7NWFB · pith_short_8: EAKLU6JI

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/EAKLU6JIBAD7NWFB44TK7E7YZG \
  | 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: 2014ba79280807f6d8a1e726af93f8c98916c30298350b349d1727a5ac04f4b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0393bd3458fc41391fe576b8447becc4d590ebf0d9cb446a2c5ed12fc9f8955b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-28T18:41:39Z",
    "title_canon_sha256": "f5d23de61cb8fe9c20273522e3f27fff270c77593342760e1118a9f35e10932c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6183",
    "kind": "arxiv",
    "version": 1
  }
}