Pith Number

pith:P66UU354

pith:2011:P66UU354NO4C3WRLBVUXTASXYP

not attested not anchored not stored refs pending

The Atacama Cosmology Telescope: ACT-CL J0102-4915 "El Gordo," a Massive Merging Cluster at Redshift 0.87

Adam D. Hincks, Amir Hajian, Andrew J. Baker, Arthur Kosowsky, Cristobal Sifon, Danica Marsden, David N. Spergel, Edward Wollack, Erik D. Reese, Felipe Menanteau, Joanna Dunkley, John P. Hughes, John R. Bond, Jon Sievers, Jorge Gonzalez, Kavilan Moodley, Leopoldo Infante, L. Felipe Barrientos, Lyman A. Page, Mark J. Devlin, Matt Hilton, Michael D. Niemack, Michael R. Nolta, Neelima Sehgal, Sudeep Das, Suzanne T. Staggs, Tobias A. Marriage

arxiv:1109.0953 v3 · 2011-09-05 · astro-ph.CO · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P66UU354NO4C3WRLBVUXTASXYP}

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

Empirical estimates of how massive galaxies can be in {\Lambda}CDM

Receipt and verification

First computed	2026-05-18T02:00:39.614278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fbd4a6fbc6bb82dda2b0d69798257c3d27a0b26fbf1f670eed7def71c4fd9ac

Aliases

arxiv: 1109.0953 · arxiv_version: 1109.0953v3 · doi: 10.48550/arxiv.1109.0953 · pith_short_12: P66UU354NO4C · pith_short_16: P66UU354NO4C3WRL · pith_short_8: P66UU354

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/P66UU354NO4C3WRLBVUXTASXYP \
  | 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: 7fbd4a6fbc6bb82dda2b0d69798257c3d27a0b26fbf1f670eed7def71c4fd9ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25bc38ed810b802d896fd5e1a809ff904d369e7aff7d3c896990ac8483e3374f",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-05T16:22:23Z",
    "title_canon_sha256": "5ca1896f113071a10cc24e07bf3a7347bbe7f93cf4013536020c4447ff49de12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0953",
    "kind": "arxiv",
    "version": 3
  }
}