Pith Number

pith:5GBQAY23

pith:1999:5GBQAY23S4MZMH7DCYNOEUA4UD

not attested not anchored not stored refs pending

A Spectroscopic Catalog of 10 Distant Rich Clusters of Galaxies

Alan Dressler, Bianca Poggianti, Harvey Butcher, Ian Smail, Richard Ellis & Augustus Oemler Jr, Warrick Couch

arxiv:astro-ph/9901263 v1 · 1999-01-20 · 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{5GBQAY23S4MZMH7DCYNOEUA4UD}

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.

Cited by

1 paper in Pith

Satellite compaction pathways: environmental drivers shaping dwarf galaxy corpulence in the TNG50 simulation

Receipt and verification

First computed	2026-07-04T15:51:14.534980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e98300635b9719961fe3161ae2501ca0cb3f5796cc4a7e64f13d5aec89259c44

Aliases

arxiv: astro-ph/9901263 · arxiv_version: astro-ph/9901263v1 · doi: 10.48550/arxiv.astro-ph/9901263 · pith_short_12: 5GBQAY23S4MZ · pith_short_16: 5GBQAY23S4MZMH7D · pith_short_8: 5GBQAY23

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/5GBQAY23S4MZMH7DCYNOEUA4UD \
  | 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: e98300635b9719961fe3161ae2501ca0cb3f5796cc4a7e64f13d5aec89259c44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59609cc309e863c18cb8081e34dcba7b3a626e3f984dc460a0dfaaccca580a78",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-01-20T08:14:49Z",
    "title_canon_sha256": "d6c93e093fdd998a7d919668d21cf75f595072f114329b3dd1d90df71cec6656"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9901263",
    "kind": "arxiv",
    "version": 1
  }
}