Pith Number

pith:PCM45BZ3

pith:2002:PCM45BZ35NDXV7J552QHBNY7ZD

not attested not anchored not stored refs pending

The ROSAT All-Sky Survey: a Catalog of Clusters of Galaxies in a Region of 1 Ster around the South Galactic Pole

A. K. Romer, C. A. Collins, D. Yentis, H. Boehringer, H. Ebeling, H. MacGillivray, P. Schuecker, R. Cruddace, S. De Grandi, W. Voges

arxiv:astro-ph/0201069 v1 · 2002-01-05 · 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{PCM45BZ35NDXV7J552QHBNY7ZD}

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	2026-07-04T16:29:12.683027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7899ce873beb477afd3deea070b71fc8ec9b0b1eea7ab5dd4a9684375486a092

Aliases

arxiv: astro-ph/0201069 · arxiv_version: astro-ph/0201069v1 · doi: 10.48550/arxiv.astro-ph/0201069 · pith_short_12: PCM45BZ35NDX · pith_short_16: PCM45BZ35NDXV7J5 · pith_short_8: PCM45BZ3

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/PCM45BZ35NDXV7J552QHBNY7ZD \
  | 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: 7899ce873beb477afd3deea070b71fc8ec9b0b1eea7ab5dd4a9684375486a092

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "365c3aa3c5c6c11c33a86883bc65e69ee97b2ccf68de1f0643865ed1cdd5fca9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-01-05T21:16:53Z",
    "title_canon_sha256": "4e95a6bffd3c77ad494866aaabea1a2e0f45550dc99d1932f3a7fb19e454b87c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0201069",
    "kind": "arxiv",
    "version": 1
  }
}