Pith Number

pith:UTNNOYFQ

pith:2011:UTNNOYFQQ736OJI4U7TPAZIOPT

not attested not anchored not stored refs pending

Exploring the galaxy cluster-group transition regime at high redshifts: Physical properties of two newly detected z > 1 systems

A. de Hoon, A. D. Schwope, A. Nastasi, D. Pierini, G. Lamer, G. W. Pratt, H. B\"ohringer, H. Quintana, J. Kohnert, J. S. Santos, M. M\"uhlegger, P. Rosati, R. Fassbender, R. \v{S}uhada

arxiv:1104.4888 v1 · 2011-04-26 · 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{UTNNOYFQQ736OJI4U7TPAZIOPT}

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	2026-05-18T02:02:14.885555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4dad760b087f7e7251ca7e6f0650e7cc845107921cce1c8f97f7a00b8faed9e

Aliases

arxiv: 1104.4888 · arxiv_version: 1104.4888v1 · doi: 10.48550/arxiv.1104.4888 · pith_short_12: UTNNOYFQQ736 · pith_short_16: UTNNOYFQQ736OJI4 · pith_short_8: UTNNOYFQ

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/UTNNOYFQQ736OJI4U7TPAZIOPT \
  | 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: a4dad760b087f7e7251ca7e6f0650e7cc845107921cce1c8f97f7a00b8faed9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4369dfb11e7f265247126249d18f64cfbde6f91facc059fe5b73f9cf2fadfc1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-26T10:52:49Z",
    "title_canon_sha256": "ea2a3b42373c1e80441444e388e0890b362ea2bfa69e6644a37a25d1a7ed45a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4888",
    "kind": "arxiv",
    "version": 1
  }
}