Pith Number

pith:EPK3WMSK

pith:1997:EPK3WMSKBOFEPORHFMQK3IMIQP

not attested not anchored not stored refs pending

ROSAT observations of two 'cooling flow' EMSS Galaxies

A. J. Blair, G. C. Stewart (University of Leicester), I. Georgantopoulos

arxiv:astro-ph/9703018 v1 · 1997-03-04 · 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{EPK3WMSKBOFEPORHFMQK3IMIQP}

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	2026-05-18T01:40:18.066679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23d5bb324a0b8a47ba272b20ada18883cbb493390b177bc9d89f0d8ad36f2c37

Aliases

arxiv: astro-ph/9703018 · arxiv_version: astro-ph/9703018v1 · doi: 10.48550/arxiv.astro-ph/9703018 · pith_short_12: EPK3WMSKBOFE · pith_short_16: EPK3WMSKBOFEPORH · pith_short_8: EPK3WMSK

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/EPK3WMSKBOFEPORHFMQK3IMIQP \
  | 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: 23d5bb324a0b8a47ba272b20ada18883cbb493390b177bc9d89f0d8ad36f2c37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "411b35f6e3575358201b223dc72a21f8c7be31eae6c5ecbae1e622808258ee6f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-03-04T10:56:28Z",
    "title_canon_sha256": "cbba1ec107a299efb4ef4a56d11bff3df52f446c2e3d78d2ff73669081200cca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9703018",
    "kind": "arxiv",
    "version": 1
  }
}