Pith Number

pith:PBZNY2P7

pith:2011:PBZNY2P7GRCP3ADNDCKJDDGPQ2

not attested not anchored not stored refs pending

Nuclear properties of Brightest Cluster Galaxies: results and new observations for two peculiar cases

E.Liuzzo, G. Giovannini, M. Giroletti

arxiv:1103.0450 v1 · 2011-03-02 · 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{PBZNY2P7GRCP3ADNDCKJDDGPQ2}

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	2026-05-18T04:27:34.877253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7872dc69ff3444fd806d1894918ccf86884587ec3ae146927cb1d3bd3654da04

Aliases

arxiv: 1103.0450 · arxiv_version: 1103.0450v1 · doi: 10.48550/arxiv.1103.0450 · pith_short_12: PBZNY2P7GRCP · pith_short_16: PBZNY2P7GRCP3ADN · pith_short_8: PBZNY2P7

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/PBZNY2P7GRCP3ADNDCKJDDGPQ2 \
  | 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: 7872dc69ff3444fd806d1894918ccf86884587ec3ae146927cb1d3bd3654da04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4034bc27145abb261a9bdbb4726825f020f62cba9052178b9efa26f5a9868b65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-02T15:07:47Z",
    "title_canon_sha256": "aed3cfb4f060f95afe07a04984e9ec51dcacc07cc823bcf455eecefa9feaf656"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0450",
    "kind": "arxiv",
    "version": 1
  }
}