Pith Number

pith:2FON4MDO

pith:2010:2FON4MDOSBYAEFVWXCLTHYXUKW

not attested not anchored not stored refs pending

Superdense and normal early-type galaxies at 1<z<2

A. Gargiulo, (INAF - Osservatorio Astronomico di Brera, Italy), Milano, M. Longhetti, P. Saracco

arxiv:1004.2598 v1 · 2010-04-15 · 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{2FON4MDOSBYAEFVWXCLTHYXUKW}

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	2026-05-18T02:08:05.263595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d15cde306e90700216b6b89733e2f455af4c9a0fb35fe3510c507f12a54108d5

Aliases

arxiv: 1004.2598 · arxiv_version: 1004.2598v1 · doi: 10.48550/arxiv.1004.2598 · pith_short_12: 2FON4MDOSBYA · pith_short_16: 2FON4MDOSBYAEFVW · pith_short_8: 2FON4MDO

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/2FON4MDOSBYAEFVWXCLTHYXUKW \
  | 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: d15cde306e90700216b6b89733e2f455af4c9a0fb35fe3510c507f12a54108d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca63f94b0ce9e1acf056fd6fcfdfa109d98e414fce0b64a26835f7ddabe5c366",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-15T10:50:20Z",
    "title_canon_sha256": "3b2536e451073f701005f0c03980adc7236871325889714d5b606c296e5f0f1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2598",
    "kind": "arxiv",
    "version": 1
  }
}