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Pith Number

pith:O2TBRPGL

pith:2009:O2TBRPGL36DIW53OJHB3J5PWVX
not attested not anchored not stored refs pending

Black Hole Spin and the Radio Loud/Quiet Dichotomy of Active Galactic Nuclei

(2) Kavli Institute for Particle Astrophysics, Alexander Tchekhovskoy (1), Cosmology, Jonathan C. McKinney (2) ((1) Harvard-CfA, Ramesh Narayan (1), Stanford University)

arxiv:0911.2228 v2 · 2009-11-12 · astro-ph.HE · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{O2TBRPGL36DIW53OJHB3J5PWVX}

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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

5 papers in Pith

Receipt and verification
First computed 2026-07-04T17:22:10.110555Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

76a618bccbdf868b776e49c3b4f5f6adfa7d6df40ab82d341f137f43cdc27d54

Aliases

arxiv: 0911.2228 · arxiv_version: 0911.2228v2 · doi: 10.48550/arxiv.0911.2228 · pith_short_12: O2TBRPGL36DI · pith_short_16: O2TBRPGL36DIW53O · pith_short_8: O2TBRPGL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/O2TBRPGL36DIW53OJHB3J5PWVX \
  | 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: 76a618bccbdf868b776e49c3b4f5f6adfa7d6df40ab82d341f137f43cdc27d54
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ec937de38d30523472f957d5fa1c9b89a09e91e0cf1f693214579098abd808ac",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-11-12T20:57:20Z",
    "title_canon_sha256": "b2b04f84e8540cb56b2bacf3a22e92ecdaf078e9e10e58a38e5f996c952fd97c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2228",
    "kind": "arxiv",
    "version": 2
  }
}