Pith Number

pith:UH2AYZMJ

pith:2011:UH2AYZMJTQ5VJY6BQKP346QJ2S

not attested not anchored not stored refs pending

The dynamical state of galaxy groups and their luminosity content

((1) Instituto de Astronomia Teorica y Experimental, 2), (2) Instituto de Astronomia, Argentina, Ariel Zandivarez (1, Brazil), CONICET-Obervatorio Astronomico de Cordoba, Cordoba, Geofisica e Ciencias Atmosfericas, Hector J. Martinez (1), IAG, IATE, Sao Paulo

arxiv:1110.1344 v1 · 2011-10-06 · 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{UH2AYZMJTQ5VJY6BQKP346QJ2S}

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	2026-05-18T02:00:16.873398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1f40c65899c3b54e3c1829fbe7a09d4a6fa04485e6adf1a63bdc87b7fee9348

Aliases

arxiv: 1110.1344 · arxiv_version: 1110.1344v1 · doi: 10.48550/arxiv.1110.1344 · pith_short_12: UH2AYZMJTQ5V · pith_short_16: UH2AYZMJTQ5VJY6B · pith_short_8: UH2AYZMJ

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/UH2AYZMJTQ5VJY6BQKP346QJ2S \
  | 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: a1f40c65899c3b54e3c1829fbe7a09d4a6fa04485e6adf1a63bdc87b7fee9348

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "585fb66fddcbc11dbe277f91922f4e36e1bd294c284042f51305b9abc520812e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-06T18:19:48Z",
    "title_canon_sha256": "365a98db9ee7be1efdc165a402192cb6c4d167b8545e637ca0dd4694337d8902"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.1344",
    "kind": "arxiv",
    "version": 1
  }
}