Pith Number

pith:KPJWJ5R2

pith:2012:KPJWJ5R2AHSDISESKLHAVWGNQD

not attested not anchored not stored refs pending

A Brightest Cluster Galaxy with an Extremely Large Flat Core

Adi Zitrin, Anton Koekemoer, Begona Ascaso, Claudio Grillo, Dan Coe, Daniel Kelson, Doron Lemze, Elinor Medezinski, Genevieve Graves, Holland C. Ford, John Moustakas, Larry Bradley, Leonidas Moustakas, Marc Postman, Megan Donahue, Tod R. Lauer, Tom Broadhurst

arxiv:1205.3839 v3 · 2012-05-17 · astro-ph.CO · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPJWJ5R2AHSDISESKLHAVWGNQD}

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	2026-05-18T01:57:26.208126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53d364f63a01e434489252ce0ad8cd80db332f32e68bdcd701fc2b4f0060f2b0

Aliases

arxiv: 1205.3839 · arxiv_version: 1205.3839v3 · doi: 10.48550/arxiv.1205.3839 · pith_short_12: KPJWJ5R2AHSD · pith_short_16: KPJWJ5R2AHSDISES · pith_short_8: KPJWJ5R2

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/KPJWJ5R2AHSDISESKLHAVWGNQD \
  | 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: 53d364f63a01e434489252ce0ad8cd80db332f32e68bdcd701fc2b4f0060f2b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4002011f5649e2665ecb7a1f2ff3fbf39ba7c6b3cc0ac25154fd7c7913ed5f03",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-17T02:03:44Z",
    "title_canon_sha256": "d2e16ea18e499d54a1755d9e43607ef7b4e8e55bde52ba196235ccf22c3a316a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3839",
    "kind": "arxiv",
    "version": 3
  }
}