Pith Number

pith:PADPUKV7

pith:1998:PADPUKV7Y7QQVVXGNDMZOSFCW2

not attested not anchored not stored refs pending

A substructure analysis of the A3558 cluster complex

A.Pisani, E.Zucca, G.Zamorani, M.Ramella, S.Bardelli

arxiv:astro-ph/9806294 v1 · 1998-06-22 · 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{PADPUKV7Y7QQVVXGNDMZOSFCW2}

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	2026-05-18T01:07:37.305498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7806fa2abfc7e10ad6e668d99748a2b6989a5cb7afe89fcfb1e510e69c434a1a

Aliases

arxiv: astro-ph/9806294 · arxiv_version: astro-ph/9806294v1 · doi: 10.48550/arxiv.astro-ph/9806294 · pith_short_12: PADPUKV7Y7QQ · pith_short_16: PADPUKV7Y7QQVVXG · pith_short_8: PADPUKV7

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/PADPUKV7Y7QQVVXGNDMZOSFCW2 \
  | 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: 7806fa2abfc7e10ad6e668d99748a2b6989a5cb7afe89fcfb1e510e69c434a1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "022303f12d8c408d557d837a312b2f82d43a17b7dea85e26a5f7d8622cd2d39d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-06-22T16:32:42Z",
    "title_canon_sha256": "4e6993c2bbd872ff48906166402b0315ff2cfcba14ee3ba04651cb6ddbc4725b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9806294",
    "kind": "arxiv",
    "version": 1
  }
}