Pith Number

pith:C23Y7LY4

pith:2009:C23Y7LY45AHOINS7E4F6H2MHPP

not attested not anchored not stored refs pending

Active Galactic Nuclei in Groups and Clusters of Galaxies: Detection and Host Morphology

2), (2) Steward Observatory, (4) UCO/Lick Observatories, Angela Berti (3), AstroParticle Physics, Center for Cosmology, Columbus OH, John S. Mulchaey (3), Pasadena CA, Paul Martini (1), Santa Cruz CA), Tesla E. Jeltema (4) ((1) Department of Astronomy, The Ohio State University, Timothy J. Arnold (1, Tucson AZ (3) Carnegie Observatories, University of Arizona

arxiv:0911.0392 v1 · 2009-11-02 · 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{C23Y7LY45AHOINS7E4F6H2MHPP}

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	2026-05-18T02:34:12.155144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16b78faf1ce80ee4365f270be3e9877be8db00ff1e4952f77d1573ed52732746

Aliases

arxiv: 0911.0392 · arxiv_version: 0911.0392v1 · doi: 10.48550/arxiv.0911.0392 · pith_short_12: C23Y7LY45AHO · pith_short_16: C23Y7LY45AHOINS7 · pith_short_8: C23Y7LY4

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/C23Y7LY45AHOINS7E4F6H2MHPP \
  | 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: 16b78faf1ce80ee4365f270be3e9877be8db00ff1e4952f77d1573ed52732746

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66c671aa2fc7643df7e7507a1e1b74abcc00b2702ee6c64db24952e7f8bbb336",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-02T19:51:50Z",
    "title_canon_sha256": "21ae68821d72011adaf84c7f9f861587aff4af6deacb3a7b1c7e90fa7bf6ff3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0392",
    "kind": "arxiv",
    "version": 1
  }
}