Pith Number

pith:N47QYI4C

pith:2008:N47QYI4C5GA36RHAJFSC4SRSY5

not attested not anchored not stored refs pending

The Fundamental Plane of Early Type Galaxies in Nearby Clusters from the WINGS Database

A. Cava, A. Omizzolo, B. Poggianti, D. Bettoni, D. Dressler, E. Pignatelli, G. Fasano, J. Fritz, J. Varela, M. D'Onofrio, M. Moles, P. Kjaergaard, W. J. Couch

arxiv:0804.1892 v3 · 2008-04-11 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N47QYI4C5GA36RHAJFSC4SRSY5}

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	2026-07-04T17:10:19.072476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f3f0c2382e981bf44e049642e4a32c7749436843d7c49ce00921854cfccab6c

Aliases

arxiv: 0804.1892 · arxiv_version: 0804.1892v3 · doi: 10.48550/arxiv.0804.1892 · pith_short_12: N47QYI4C5GA3 · pith_short_16: N47QYI4C5GA36RHA · pith_short_8: N47QYI4C

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/N47QYI4C5GA36RHAJFSC4SRSY5 \
  | 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: 6f3f0c2382e981bf44e049642e4a32c7749436843d7c49ce00921854cfccab6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76e93bf76a107e32dd354a64f36bdca0652fe7cd20edec52d6162d787ade2616",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-04-11T13:15:23Z",
    "title_canon_sha256": "b73934cda7a5325dab3f0f7b47d436475aaaae9f462c8e60011000e666e02ecb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.1892",
    "kind": "arxiv",
    "version": 3
  }
}