Pith Number

pith:QGEKG3PE

pith:2013:QGEKG3PEHNBCNT3GHVQG6D4X5D

not attested not anchored not stored refs pending

Discovery of a Rich Cluster at z = 1.63 using the Rest-Frame 1.6um "Stellar Bump Sequence" Method

Adam Muzzin, Alessandro Rettura, Chris Lidman, Gillian Wilson, Henk Hoekstra, H. K. C. Yee, Julie Nantais, Ricardo Demarco

arxiv:1301.5905 v1 · 2013-01-24 · 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{QGEKG3PEHNBCNT3GHVQG6D4X5D}

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	2026-05-18T01:51:58.782726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8188a36de43b4226cf663d606f0f97e8e03e57366512d1ddd0b84e530bf973f8

Aliases

arxiv: 1301.5905 · arxiv_version: 1301.5905v1 · doi: 10.48550/arxiv.1301.5905 · pith_short_12: QGEKG3PEHNBC · pith_short_16: QGEKG3PEHNBCNT3G · pith_short_8: QGEKG3PE

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/QGEKG3PEHNBCNT3GHVQG6D4X5D \
  | 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: 8188a36de43b4226cf663d606f0f97e8e03e57366512d1ddd0b84e530bf973f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7fc232dbfa5201d27aa26b4e3a0d7277afc658f74c843732f5d7ac29e0d3846",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-24T21:00:02Z",
    "title_canon_sha256": "1eef3816ff6cf06658610a2b3aeb64e04233dacbdb462f9c9add1d4d153ec86b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5905",
    "kind": "arxiv",
    "version": 1
  }
}