Pith Number

pith:JWBDR4ED

pith:2015:JWBDR4EDA2CKCX37ZKQHOF2U4C

not attested not anchored not stored refs pending

What are Protoclusters? -- Defining High Redshift Galaxy Clusters and Protoclusters

Elizabeth A. Cooke, Nina A. Hatch, Stuart I. Muldrew

arxiv:1506.08835 v1 · 2015-06-29 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JWBDR4EDA2CKCX37ZKQHOF2U4C}

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

2 papers in Pith

On the later evolution of observationally selected protocluster candidates at $z\,{\gtrsim}\,5$

Anisotropic quenching beyond $z=1$ and its implications for preprocessing around high-redshift galaxy clusters

Receipt and verification

First computed	2026-05-18T01:35:46.352690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d8238f0830684a15f7fcaa0771754e0a4fb2d4c3d73cb32dd86c13b2652089b

Aliases

arxiv: 1506.08835 · arxiv_version: 1506.08835v1 · doi: 10.48550/arxiv.1506.08835 · pith_short_12: JWBDR4EDA2CK · pith_short_16: JWBDR4EDA2CKCX37 · pith_short_8: JWBDR4ED

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/JWBDR4EDA2CKCX37ZKQHOF2U4C \
  | 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: 4d8238f0830684a15f7fcaa0771754e0a4fb2d4c3d73cb32dd86c13b2652089b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cce3aa01f9df68353eac5a929be712696467ee88d5f9aad12faac667863843f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-06-29T20:02:03Z",
    "title_canon_sha256": "18fad7f36685c11b8ff04600f40ea7b39579724aad35264461c4df94eb2b84b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08835",
    "kind": "arxiv",
    "version": 1
  }
}