Pith Number

pith:4OKGJ43J

pith:2012:4OKGJ43JQQ2EVMOG3U2SQSOSTZ

not attested not anchored not stored refs pending

A z~3 radio galaxy and its protocluster: evidence for a superstructure?

B. P. Venemans, E. Kuiper, G. K. Miley, H. J. A. Rottgering, N. A. Hatch

arxiv:1203.2196 v1 · 2012-03-09 · 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{4OKGJ43JQQ2EVMOG3U2SQSOSTZ}

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	2026-05-18T01:58:10.454672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e39464f36984344ab1c6dd352849d29e5765000623897a38fb27c457d96092f7

Aliases

arxiv: 1203.2196 · arxiv_version: 1203.2196v1 · doi: 10.48550/arxiv.1203.2196 · pith_short_12: 4OKGJ43JQQ2E · pith_short_16: 4OKGJ43JQQ2EVMOG · pith_short_8: 4OKGJ43J

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/4OKGJ43JQQ2EVMOG3U2SQSOSTZ \
  | 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: e39464f36984344ab1c6dd352849d29e5765000623897a38fb27c457d96092f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "461ca781a0962ffbb7704704058b54fb387f8e3534cc467d55c395297bc37393",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-09T22:12:35Z",
    "title_canon_sha256": "fbb66d2dd3e54ea2b0bff6a643d24a285e3affa88bb8864c0be147a9bbf21aa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2196",
    "kind": "arxiv",
    "version": 1
  }
}