Pith Number

pith:FZSZOBFQ

pith:2011:FZSZOBFQC33X7OPALCFNELN4OD

not attested not anchored not stored refs pending

The 2XMMi/SDSS Galaxy Cluster Survey I. The first cluster sample and X-ray luminosity-temperature relation

A. Schwope, A. Takey, G. Lamer

arxiv:1109.1743 v1 · 2011-09-08 · 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{FZSZOBFQC33X7OPALCFNELN4OD}

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	2026-05-18T04:13:48.129032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e659704b016f77fb9e0588ad22dbc70e33f147f801c10695d28f0d2bffb8a73

Aliases

arxiv: 1109.1743 · arxiv_version: 1109.1743v1 · doi: 10.48550/arxiv.1109.1743 · pith_short_12: FZSZOBFQC33X · pith_short_16: FZSZOBFQC33X7OPA · pith_short_8: FZSZOBFQ

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/FZSZOBFQC33X7OPALCFNELN4OD \
  | 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: 2e659704b016f77fb9e0588ad22dbc70e33f147f801c10695d28f0d2bffb8a73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "add77f912daf4238ad303bf88bb7a3c965394b3bab6fc6d42597e47a24306b47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-08T15:22:26Z",
    "title_canon_sha256": "bc49e6b55ada1aa44697ad512349403ae870bd3e6a1084666cf1a54baa4611dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1743",
    "kind": "arxiv",
    "version": 1
  }
}