Pith Number

pith:B2F3A4Y5

pith:1997:B2F3A4Y5F27UAYSCKMFECPZLHN

not attested not anchored not stored refs pending

The Luminosity-Temperature Relation at z=0.4 for Clusters of galaxies

C. A. Scharf (GSFC/Umd), R.F. Mushotzky (GSFC)

arxiv:astro-ph/9703039 v2 · 1997-03-06 · 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{B2F3A4Y5F27UAYSCKMFECPZLHN}

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	2026-07-04T16:02:54.487632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e8bb0731d2ebf406242530a413f2b3b4a1c5a7c06486a61ada6b91a135955fc

Aliases

arxiv: astro-ph/9703039 · arxiv_version: astro-ph/9703039v2 · doi: 10.48550/arxiv.astro-ph/9703039 · pith_short_12: B2F3A4Y5F27U · pith_short_16: B2F3A4Y5F27UAYSC · pith_short_8: B2F3A4Y5

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/B2F3A4Y5F27UAYSCKMFECPZLHN \
  | 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: 0e8bb0731d2ebf406242530a413f2b3b4a1c5a7c06486a61ada6b91a135955fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2264ef8145cac5f9e0151a56bc6e8f7b8bf896cb31a8a46b8be18cbe706ef0fb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-03-06T15:33:49Z",
    "title_canon_sha256": "d6d023c93590f6b9ba5e06ebb294bf41708ca95b2a29d3a4821dfec4785e6029"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9703039",
    "kind": "arxiv",
    "version": 2
  }
}