Pith Number

pith:7N4Y5DYR

pith:2013:7N4Y5DYRE2NK322SU3O6L7IRT4

not attested not anchored not stored refs pending

The rapid assembly of an elliptical galaxy of 400 billion solar masses at a redshift of 2.3

A. Cava, A. Conley, A.I. Harris, A.J. Baker, A. Omont, Asantha Cooray, A. Smith, B. Altieri, B. Schulz, C. Bridge, C. Feruglio, C.M. Casey, D.A. Riechers, D. Farrah, D. Frayer, D.L. Clements, D. Scott, G. Magdis, G. Marsden, Hai Fu, H. Aussel, I. Perez-Fournon, I. Valtchanov, J.A. Calanog, J. Bock, J.D. Vieira, J. Jia, J.L. Wardlow, L. Wang, M. Boylan-Kolchin, M. Gurwell, M.J. Page, M. Negrello, M. Vaccari, M. Viero, M. Zemcov, P. Cox, P. Martinez-Navajas, R. Hopwood, R.J. Ivison, R. Neri, R.S. Bussmann, S.C. Chapman, S.J. Oliver

arxiv:1305.4930 v1 · 2013-05-21 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7N4Y5DYRE2NK322SU3O6L7IRT4}

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	2026-05-18T03:07:03.720976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb798e8f11269aadeb52a6dde5fd119f18a01597e444c0024ba4c5b2d1ee7f8a

Aliases

arxiv: 1305.4930 · arxiv_version: 1305.4930v1 · doi: 10.48550/arxiv.1305.4930 · pith_short_12: 7N4Y5DYRE2NK · pith_short_16: 7N4Y5DYRE2NK322S · pith_short_8: 7N4Y5DYR

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/7N4Y5DYRE2NK322SU3O6L7IRT4 \
  | 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: fb798e8f11269aadeb52a6dde5fd119f18a01597e444c0024ba4c5b2d1ee7f8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6aa9864fe64d1df11e2222a11939ee53c5e057eb042e37defb3a2bea8cb89d77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-21T20:00:00Z",
    "title_canon_sha256": "895d76483ada1345b9319e251580da119942220e61cab4106a4313176fcf6f93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4930",
    "kind": "arxiv",
    "version": 1
  }
}