Pith Number

pith:3PBCZHSI

pith:2013:3PBCZHSI2ELK4C5XKUB7IRJNDD

not attested not anchored not stored refs pending

Downsizing of galaxies vs upsizing of dark-halos in a Lambda-CDM cosmology

2, 2) ((1) Consejo Nacional de Investigaciones Cientificas y Tecnicas, (2) Instituto de Astronomia y Fisica del Espacio, 3), (3) Departamento de Fisica, (4) Instituto de Astronomia, Alejandro Gonzalez-Samaniego (4), Argentina, CONICET, Facultad de Ciencias Exactas y Naturales, IAFE, Maria E. De Rossi (1, Mexico), Susana Pedrosa (1, Universidad de Buenos Aires, Universidad Nacional Autonoma de Mexico, Vladimir Avila-Reese (4)

arxiv:1309.0919 v1 · 2013-09-04 · 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{3PBCZHSI2ELK4C5XKUB7IRJNDD}

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	2026-05-18T03:14:16.462911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbc22c9e48d116ae0bb75503f4452d18ddec40f6b16d7d94b463e0fb8f33e944

Aliases

arxiv: 1309.0919 · arxiv_version: 1309.0919v1 · doi: 10.48550/arxiv.1309.0919 · pith_short_12: 3PBCZHSI2ELK · pith_short_16: 3PBCZHSI2ELK4C5X · pith_short_8: 3PBCZHSI

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/3PBCZHSI2ELK4C5XKUB7IRJNDD \
  | 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: dbc22c9e48d116ae0bb75503f4452d18ddec40f6b16d7d94b463e0fb8f33e944

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96ca038198b24eb2bf101631e9583dd59ff2b196f48ecc877cc941fe884469ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-04T05:46:58Z",
    "title_canon_sha256": "e4267e9a980ad850384d35cbd8a7374cc81cbec8e4f0af6f64f047c9a178c96c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0919",
    "kind": "arxiv",
    "version": 1
  }
}