Pith Number

pith:3DC7WQZO

pith:2012:3DC7WQZOCYIQCI37S4D746XSAT

not attested not anchored not stored refs pending

Young ages and other intriguing properties of massive compact galaxies in the Local Universe

Alexandre Vazdekis, Anna Ferr\'e-Mateu, Elena Ricciardelli, Ignacio G. de la Rosa, Ignacio Trujillo, Patricia S\'anchez-Bl\'azquez

arxiv:1203.2623 v1 · 2012-03-12 · 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{3DC7WQZOCYIQCI37S4D746XSAT}

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	2026-05-18T01:58:09.700354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8c5fb432e161101237f9707fe7af204e47450fd32a643533e16b05353cd5ac5

Aliases

arxiv: 1203.2623 · arxiv_version: 1203.2623v1 · doi: 10.48550/arxiv.1203.2623 · pith_short_12: 3DC7WQZOCYIQ · pith_short_16: 3DC7WQZOCYIQCI37 · pith_short_8: 3DC7WQZO

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/3DC7WQZOCYIQCI37S4D746XSAT \
  | 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: d8c5fb432e161101237f9707fe7af204e47450fd32a643533e16b05353cd5ac5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79834b517ea6d4ec9241b4ba77438b1e0980211d8a20cf5d7ab3247b65618de0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-12T20:00:10Z",
    "title_canon_sha256": "69bfbe109c769605088faad68776ac12444dba2c45cc9ad3262cef2472bfbe63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2623",
    "kind": "arxiv",
    "version": 1
  }
}