Pith Number

pith:VVAZMIDR

pith:2001:VVAZMIDRRH2JOLTGTATOGYSC7U

not attested not anchored not stored refs pending

Clusters of galaxies among ROSAT blank field sources

(2), 2), A. Celotti(1) ((1) SISSA-ISAS, Cambridge, D.-W. Kim (2), I. Cagnoni (1, Italy; (2) SAO, J.-S. Huang(2), M. Elvis, P. Mazzotta (2), Trieste, USA)

arxiv:astro-ph/0105430 v1 · 2001-05-24 · 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{VVAZMIDRRH2JOLTGTATOGYSC7U}

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	2026-07-04T14:11:16.540349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad4196207189f4972e669826e36242fd16064efecc0f808521ceb84fe1c962f8

Aliases

arxiv: astro-ph/0105430 · arxiv_version: astro-ph/0105430v1 · doi: 10.48550/arxiv.astro-ph/0105430 · pith_short_12: VVAZMIDRRH2J · pith_short_16: VVAZMIDRRH2JOLTG · pith_short_8: VVAZMIDR

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/VVAZMIDRRH2JOLTGTATOGYSC7U \
  | 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: ad4196207189f4972e669826e36242fd16064efecc0f808521ceb84fe1c962f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01f8cfa8389a8af78a9af535e6f608e296041df659017015a5e675d1e2f3e9a3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-05-24T17:27:42Z",
    "title_canon_sha256": "b4948e299f1c3097464d59d0ed0f0ce9edb799a6cc1f80e7145dc5ddb53f6982"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0105430",
    "kind": "arxiv",
    "version": 1
  }
}