Pith Number

pith:MY2R3XJX

pith:2011:MY2R3XJXSSD4YSDBHPBHPSJFY5

not attested not anchored not stored refs pending

Galaxy populations in the Antlia cluster - III. Properties of faint early-type galaxies

Analia V. Smith Castelli (IALP-FCAG, Argentina), Chile), CONICET, Favio R. Faifer (IALP-FCAG, Gisela A. Romero (FCAG, Juan Pablo Calderon (IALP-FCAG, Juan Pablo Caso (IALP-FCAG, Lilia P. Bassino (IALP-FCAG, Sergio A. Cellone (IALP-FCAG, Tom Richtler (Universidad de Concepcion

arxiv:1109.6004 v1 · 2011-09-27 · 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{MY2R3XJXSSD4YSDBHPBHPSJFY5}

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	2026-05-18T02:00:22.533658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66351ddd379487cc48613bc277c925c773cfed9053289fbcf865fee8286e1389

Aliases

arxiv: 1109.6004 · arxiv_version: 1109.6004v1 · doi: 10.48550/arxiv.1109.6004 · pith_short_12: MY2R3XJXSSD4 · pith_short_16: MY2R3XJXSSD4YSDB · pith_short_8: MY2R3XJX

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/MY2R3XJXSSD4YSDBHPBHPSJFY5 \
  | 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: 66351ddd379487cc48613bc277c925c773cfed9053289fbcf865fee8286e1389

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "744b9b7ce68d28568d7f2e0d86169b91052c10a1db9b5bbe28761ace4cd9962f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-27T19:55:37Z",
    "title_canon_sha256": "a3276dc90c2a8ef52bd44def0ea183fbc8803c174dbc325bd9a2ffb4ec2395ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6004",
    "kind": "arxiv",
    "version": 1
  }
}