Pith Number

pith:Q2DBAWDN

pith:2012:Q2DBAWDN4V77YVD6LCHW7D4ADI

not attested not anchored not stored refs pending

X-ray observations of the merging cluster CIZA J2242.8+5301

A. Simionescu, G. A. Ogrean, H. R\"ottgering, J. H. Croston, M. Br\"uggen, M. Hoeft, R. J. van Weeren

arxiv:1209.4642 v1 · 2012-09-20 · 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{Q2DBAWDN4V77YVD6LCHW7D4ADI}

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	2026-05-18T01:54:20.484685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

868610586de57ffc547e588f6f8f801a307d07037c3aa319b79a023297eeeb97

Aliases

arxiv: 1209.4642 · arxiv_version: 1209.4642v1 · doi: 10.48550/arxiv.1209.4642 · pith_short_12: Q2DBAWDN4V77 · pith_short_16: Q2DBAWDN4V77YVD6 · pith_short_8: Q2DBAWDN

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/Q2DBAWDN4V77YVD6LCHW7D4ADI \
  | 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: 868610586de57ffc547e588f6f8f801a307d07037c3aa319b79a023297eeeb97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f5d7014a265690fbb68420e777cb8d7d3fcac43430093a514df717e59f890e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-20T20:00:02Z",
    "title_canon_sha256": "2b62291fb1dca605a5dd23dac60c815c3684a6f81eedaac8cbfeba26278e91d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4642",
    "kind": "arxiv",
    "version": 1
  }
}