Pith Number

pith:YDV2OU5U

pith:1997:YDV2OU5UYAGCV5AESCVTEWMTU7

not attested not anchored not stored refs pending

On the mass distribution in the Shapley Supercluster inferred from X-ray observations

A.C. Fabian, Cambridge, D.A. White (IoA, S. Ettori, UK)

arxiv:astro-ph/9704092 v1 · 1997-04-11 · 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{YDV2OU5UYAGCV5AESCVTEWMTU7}

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	2026-05-18T01:40:17.813145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0eba753b4c00c2af40490ab325993a7d12885fd1f206763a433ba1b711bc410

Aliases

arxiv: astro-ph/9704092 · arxiv_version: astro-ph/9704092v1 · doi: 10.48550/arxiv.astro-ph/9704092 · pith_short_12: YDV2OU5UYAGC · pith_short_16: YDV2OU5UYAGCV5AE · pith_short_8: YDV2OU5U

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/YDV2OU5UYAGCV5AESCVTEWMTU7 \
  | 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: c0eba753b4c00c2af40490ab325993a7d12885fd1f206763a433ba1b711bc410

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6250d1df9bb0d9ae00113e8ba276687b3157c36642c1301ba552500ffc062ae1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-04-11T09:48:22Z",
    "title_canon_sha256": "96102cdcacd12e339fcf7fee25dba6a2dd2de1f7a1e15ef6af5760c52af9343c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9704092",
    "kind": "arxiv",
    "version": 1
  }
}