Pith Number

pith:L7PYQYYB

pith:2012:L7PYQYYBGYTFO5PLHMQT27NKWY

not attested not anchored not stored refs pending

A Multi-wavelength Survey of AGN in Massive Clusters: AGN Detection and Cluster AGN Fraction

Alison J. Klesman, Vicki L. Sarajedini

arxiv:1207.4830 v2 · 2012-07-20 · astro-ph.GA · 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{L7PYQYYBGYTFO5PLHMQT27NKWY}

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	2026-05-18T01:56:15.965763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fdf88630136265775eb3b213d7daab60a959f89c4595386dbe4c85dbe2238a1

Aliases

arxiv: 1207.4830 · arxiv_version: 1207.4830v2 · doi: 10.48550/arxiv.1207.4830 · pith_short_12: L7PYQYYBGYTF · pith_short_16: L7PYQYYBGYTFO5PL · pith_short_8: L7PYQYYB

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/L7PYQYYBGYTFO5PLHMQT27NKWY \
  | 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: 5fdf88630136265775eb3b213d7daab60a959f89c4595386dbe4c85dbe2238a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c805ff8dd13657d49216fe31b22d0bae4f8b3f2cf3c6cfc2495ae1e1b468e0c4",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-07-20T00:11:23Z",
    "title_canon_sha256": "a0e68e590b28457a695533ae8a128f770ea7fd07655b82190b077a44c9d7cde2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4830",
    "kind": "arxiv",
    "version": 2
  }
}