Pith Number

pith:6CZCCFJR

pith:2009:6CZCCFJRRICCHWIPTOQY5ZUS3E

not attested not anchored not stored refs pending

Angular momentum transfer and the size - mass relation in early - type galaxies

A. Del Popolo, P. Kroupa, V.F. Cardone

arxiv:0906.2457 v1 · 2009-06-13 · astro-ph.CO · 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{6CZCCFJRRICCHWIPTOQY5ZUS3E}

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	2026-05-18T03:00:27.560084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0b22115318a0423d90f9ba18ee692d90efd1e995290ebfb7291b13311166abe

Aliases

arxiv: 0906.2457 · arxiv_version: 0906.2457v1 · doi: 10.48550/arxiv.0906.2457 · pith_short_12: 6CZCCFJRRICC · pith_short_16: 6CZCCFJRRICCHWIP · pith_short_8: 6CZCCFJR

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/6CZCCFJRRICCHWIPTOQY5ZUS3E \
  | 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: f0b22115318a0423d90f9ba18ee692d90efd1e995290ebfb7291b13311166abe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d62b8013afe366e0959f69297a670e91acd59d57d66f36f5f7920efdbfed4a64",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-13T08:53:05Z",
    "title_canon_sha256": "2ebb360ae16e540e212fc8f2d46c27b543fe98691caa7d49898d16576b708b26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2457",
    "kind": "arxiv",
    "version": 1
  }
}