Pith Number

pith:UCSENBX3

pith:2009:UCSENBX3CRK5RWRS347LF4GYG2

not attested not anchored not stored refs pending

Global environmental effects versus galaxy interactions

2, 3), 5), 6). ((1)Instituto de Astronomia y Fisica del Espacio, Argentina.), Argentina. (2) Facultad de Ciencias Astronomia y Geofisica, Argentina. (3) Consejo Nacional de Investigaciones Cientificas y Tecnicas, Argentina. (4) Departamento de Astronomia y Astrofisica, Argentina. (6) Observatorio Astronomico de la Universidad Nacional de Cordoba, Chile. (5) Complejo Astronomico El Leoncito, Ciudad de Buenos Aires, CONICET, Diego G. Lambas (3, Josefa Perez (1, M. Sol Alonso (3, Nelson Padilla (4), Patricia Tissera (1, Pontificia Universidad Catolica de Chile, San Juan, Santiago, Universidad Nacional de La Plata

arxiv:0904.2851 v2 · 2009-04-18 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UCSENBX3CRK5RWRS347LF4GYG2}

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	2026-05-18T02:13:59.216543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0a44686fb1455d8da32df3eb2f0d836afb2e64d4e05c9e49e15beef03b3f792

Aliases

arxiv: 0904.2851 · arxiv_version: 0904.2851v2 · doi: 10.48550/arxiv.0904.2851 · pith_short_12: UCSENBX3CRK5 · pith_short_16: UCSENBX3CRK5RWRS · pith_short_8: UCSENBX3

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/UCSENBX3CRK5RWRS347LF4GYG2 \
  | 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: a0a44686fb1455d8da32df3eb2f0d836afb2e64d4e05c9e49e15beef03b3f792

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a66a205c012ac0a36b7bdb41776738558aa95468342400c069870884c4453ceb",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-18T13:02:36Z",
    "title_canon_sha256": "64bd929fc31017ec941cf4a42cab360b57b3b957e961183482114f74bc592d08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2851",
    "kind": "arxiv",
    "version": 2
  }
}