Pith Number

pith:ZZ5KGDIC

pith:2012:ZZ5KGDICCVJ326O6U2QDMBQPDP

not attested not anchored not stored refs pending

Compact Groups of Galaxies selected by stellar mass: The 2MASS Compact Group Catalogue

2, 2) ((1) IATE (CONICET), (2) OAC (UNC), 3), (3) IAG, (4) IAP, Argentina, Brazil, C. Mendes de Oliveira (3), Cordoba, E. Diaz-Gimenez (1, France), G. A. Mamon (4), M. Pacheco (1), M. V. Alonso (1, Paris, Sao Paulo

arxiv:1207.2196 v1 · 2012-07-09 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZZ5KGDICCVJ326O6U2QDMBQPDP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:44:15.047379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce7aa30d021553bd79dea6a036060f1bdda4e74ea8b55eaf79e1cf9a5a314993

Aliases

arxiv: 1207.2196 · arxiv_version: 1207.2196v1 · doi: 10.48550/arxiv.1207.2196 · pith_short_12: ZZ5KGDICCVJ3 · pith_short_16: ZZ5KGDICCVJ326O6 · pith_short_8: ZZ5KGDIC

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/ZZ5KGDICCVJ326O6U2QDMBQPDP \
  | 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: ce7aa30d021553bd79dea6a036060f1bdda4e74ea8b55eaf79e1cf9a5a314993

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3840aae9ed99a38a04ad99f4c4c9b3447e5ccf7cb0a68b7769e7f7264514bdb5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-09T22:53:51Z",
    "title_canon_sha256": "9916925288ea82d7edea01f92fe94a6f34e362d7f36c83d48b24d3fe836000b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2196",
    "kind": "arxiv",
    "version": 1
  }
}