Pith Number

pith:4UX4RROF

pith:1995:4UX4RROF4NHA5TTWCHPDR7CWMW

not attested not anchored not stored refs pending

Discovery of an Arc System in the Brightest ROSAT Cluster of Galaxies

C.A.Collins, D.M.Neumann, G.Chincarini, G.Vettolani, H.B\"ohringer, H.Ebeling, L.Guzzo, P.Shaver, S.De Grandi, S.Schindler, U.G.Briel

arxiv:astro-ph/9505097 v1 · 1995-05-22 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4UX4RROF4NHA5TTWCHPDR7CWMW}

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	2026-05-18T04:21:40.979359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e52fc8c5c5e34e0ece7611de38fc56659156c94bbff376c00f82f8da03b5cb37

Aliases

arxiv: astro-ph/9505097 · arxiv_version: astro-ph/9505097v1 · doi: 10.48550/arxiv.astro-ph/9505097 · pith_short_12: 4UX4RROF4NHA · pith_short_16: 4UX4RROF4NHA5TTW · pith_short_8: 4UX4RROF

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/4UX4RROF4NHA5TTWCHPDR7CWMW \
  | 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: e52fc8c5c5e34e0ece7611de38fc56659156c94bbff376c00f82f8da03b5cb37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7787c4020e90fe7614bcdf71dfaa6a77c43a49862f7f35aab7bd88cfd3bf775a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-05-22T09:29:42Z",
    "title_canon_sha256": "745f87318fa6d60e7eb0502a8c2d4ed664f62f730d90fb0bbb59047c6c5a9217"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9505097",
    "kind": "arxiv",
    "version": 1
  }
}