Pith Number

pith:PNKC7UWB

pith:2011:PNKC7UWBR6SVUCORAYFVYJC7NI

not attested not anchored not stored refs pending

The X-ray luminous galaxy cluster population at 0.9<z<~1.6 as revealed by the XMM-Newton Distant Cluster Project

A. de Hoon, A.D. Schwope, A. Nastasi, D. Pierini, G. Lamer, G.W. Pratt, H. Boehringer, H. Quintana, J.J. Mohr, J. Kohnert, J.S. Santos, M. Muehlegger, P. Rosati, R. Fassbender, R. Suhada

arxiv:1111.0009 v1 · 2011-10-31 · 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{PNKC7UWBR6SVUCORAYFVYJC7NI}

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	2026-05-18T03:55:01.628274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b542fd2c18fa55a09d1060b5c245f6a0f85353586b58d58870d518cad8c364f

Aliases

arxiv: 1111.0009 · arxiv_version: 1111.0009v1 · doi: 10.48550/arxiv.1111.0009 · pith_short_12: PNKC7UWBR6SV · pith_short_16: PNKC7UWBR6SVUCOR · pith_short_8: PNKC7UWB

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/PNKC7UWBR6SVUCORAYFVYJC7NI \
  | 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: 7b542fd2c18fa55a09d1060b5c245f6a0f85353586b58d58870d518cad8c364f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e289dacabefc5314d611038e650c9e482571c765ccd213c957321583b4d0606",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-31T20:00:02Z",
    "title_canon_sha256": "4bb2d0c24ca816b9e771f4441eade081ee6c2a329ae0d68d5d8bd322550223da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0009",
    "kind": "arxiv",
    "version": 1
  }
}