Pith Number

pith:VORMEF4A

pith:2000:VORMEF4A52KPFP7ZLA2XIPHGSN

not attested not anchored not stored refs pending

The violent environment of the Shapley Concentration: a multiwavelength view

A.Baldi, E.Zucca, G.Zamorani, R.Morganti, R.W.Hunstead, S.Bardelli, S.DeGrandi, S.Ettori, S.Molendi, T.Venturi

arxiv:astro-ph/0011391 v1 · 2000-11-21 · 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{VORMEF4A52KPFP7ZLA2XIPHGSN}

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	2026-05-18T01:07:46.260830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aba2c21780ee94f2bff95835743ce69368453ac242d7b4233b78dbad15488246

Aliases

arxiv: astro-ph/0011391 · arxiv_version: astro-ph/0011391v1 · doi: 10.48550/arxiv.astro-ph/0011391 · pith_short_12: VORMEF4A52KP · pith_short_16: VORMEF4A52KPFP7Z · pith_short_8: VORMEF4A

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/VORMEF4A52KPFP7ZLA2XIPHGSN \
  | 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: aba2c21780ee94f2bff95835743ce69368453ac242d7b4233b78dbad15488246

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d04f7b98a790198048f67e738e7df7b9b9c2e7ead9bb5d90c2057d73a052da1e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-11-21T17:26:51Z",
    "title_canon_sha256": "5c71e76eb66b4a1255ea647f8c1dcb058d242992d8f52334d6d59ed767592e1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0011391",
    "kind": "arxiv",
    "version": 1
  }
}