Pith Number

pith:5MCMY2G4

pith:2008:5MCMY2G4Y63WZCDMX6J7PZTEJS

not attested not anchored not stored refs pending

Fossil Groups in the Millennium Simulation. Evolution of the Brightest Galaxies

Argentina. (2) IAG, Brazil), Claudia Mendes de Oliveira (2) ((1) IATE (CONICET-UNC) & OAC (UNC), Cordoba, Eugenia Diaz-Gimenez (1), Hernan Muriel (1), Sao Paulo, USP

arxiv:0809.2290 v1 · 2008-09-12 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5MCMY2G4Y63WZCDMX6J7PZTEJS}

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	2026-05-18T04:33:04.476601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb04cc68dcc7b76c886cbf93f7e6644c8bef401c06e28c63cc2769197ec016a5

Aliases

arxiv: 0809.2290 · arxiv_version: 0809.2290v1 · doi: 10.48550/arxiv.0809.2290 · pith_short_12: 5MCMY2G4Y63W · pith_short_16: 5MCMY2G4Y63WZCDM · pith_short_8: 5MCMY2G4

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/5MCMY2G4Y63WZCDMX6J7PZTEJS \
  | 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: eb04cc68dcc7b76c886cbf93f7e6644c8bef401c06e28c63cc2769197ec016a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d2c5ca1cf9680d51c725620cf4079fbd68f38425cb7295259aaf7a2168c4ee6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-12T21:32:36Z",
    "title_canon_sha256": "c5ca05009a26bcdd3cce0b84d903fc4ba2bd0c0a30d722cf9e4871311f955e01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.2290",
    "kind": "arxiv",
    "version": 1
  }
}