pith. sign in
Pith Number

pith:VJXZWRUH

pith:2015:VJXZWRUHOQGQNB734KAW3ET3CA
not attested not anchored not stored refs pending

Where are compact groups in the local Universe?

Argentina), Ariel Zandivarez (IATE-CONICET, Cordoba, Eugenia Diaz-Gimenez, OAC-UNC

arxiv:1504.02447 v1 · 2015-04-09 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VJXZWRUHOQGQNB734KAW3ET3CA}

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 2026-05-18T01:55:41.659836Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

aa6f9b4687740d0687fbe2816d927b103855b429a7c49cff472d09d58f3db9e2

Aliases

arxiv: 1504.02447 · arxiv_version: 1504.02447v1 · doi: 10.48550/arxiv.1504.02447 · pith_short_12: VJXZWRUHOQGQ · pith_short_16: VJXZWRUHOQGQNB73 · pith_short_8: VJXZWRUH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VJXZWRUHOQGQNB734KAW3ET3CA \
  | 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: aa6f9b4687740d0687fbe2816d927b103855b429a7c49cff472d09d58f3db9e2
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c969a6cec66148d6a4c2823023855ebd61cdc38403d491a8a37fdaa97f22c607",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-09T19:36:57Z",
    "title_canon_sha256": "6c1c0550045c387bd39ad5bd569daf77b95b2aaec25f3faa0e2bb5864325ac9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02447",
    "kind": "arxiv",
    "version": 1
  }
}