Pith Number

pith:MNQZYCG5

pith:2004:MNQZYCG55WTDY7WEM54VOESM3D

not attested not anchored not stored refs pending

RCS043938-2904.9: A New Rich Cluster of Galaxies at z=0.951

Erica Ellingson, Gisela Hertling, H.K.C. Yee, Leopoldo Infante, L. Felipe Barrientos, Michael D. Gladders, Patrick B. Hall

arxiv:astro-ph/0411155 v1 · 2004-11-05 · 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{MNQZYCG55WTDY7WEM54VOESM3D}

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	2026-07-04T16:45:07.829359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63619c08ddeda63c7ec4677957124cd8d4349ce961a01be9d2aeda0a8b151816

Aliases

arxiv: astro-ph/0411155 · arxiv_version: astro-ph/0411155v1 · doi: 10.48550/arxiv.astro-ph/0411155 · pith_short_12: MNQZYCG55WTD · pith_short_16: MNQZYCG55WTDY7WE · pith_short_8: MNQZYCG5

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/MNQZYCG55WTDY7WEM54VOESM3D \
  | 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: 63619c08ddeda63c7ec4677957124cd8d4349ce961a01be9d2aeda0a8b151816

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9870d486ed30088482a18e8db21dbc8c91ad4280d3833e15669b810beefad79d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-11-05T20:49:10Z",
    "title_canon_sha256": "0ce81dfbf696c444fedaa3f85090088a62d678f61f44c1d29c8e777cdea00e5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0411155",
    "kind": "arxiv",
    "version": 1
  }
}