Pith Number

pith:EM626WEB

pith:2009:EM626WEBLDLAWRSAEXA7SOQNWZ

not attested not anchored not stored refs pending

The Cosmic Evolution of AGN in galaxy clusters

Anthony H. Gonzalez, Arjun Dey, Audrey Galametz, Buell T. Jannuzi, Daniel Stern, Leonidas A. Moustakas, Mark Brodwin, Michael J. I. Brown, Peter R. M. Eisenhardt, S. Adam Stanford

arxiv:0901.1109 v1 · 2009-01-08 · 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{EM626WEBLDLAWRSAEXA7SOQNWZ}

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	2026-05-18T02:35:08.327010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

233daf588158d60b464025c1f93a0db65edb4d4bd6da45d397ff534ab5a28796

Aliases

arxiv: 0901.1109 · arxiv_version: 0901.1109v1 · doi: 10.48550/arxiv.0901.1109 · pith_short_12: EM626WEBLDLA · pith_short_16: EM626WEBLDLAWRSA · pith_short_8: EM626WEB

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/EM626WEBLDLAWRSAEXA7SOQNWZ \
  | 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: 233daf588158d60b464025c1f93a0db65edb4d4bd6da45d397ff534ab5a28796

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8aa4924d78cc5c18a87f4ff5e2ecf73ee2d88142178ac7f2b20e4b912205bfb",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-01-08T19:19:17Z",
    "title_canon_sha256": "03e1a9d4c36d8a097f249bb67d70d9bd484e41c7b9d51c5506f7cbcffec60c63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1109",
    "kind": "arxiv",
    "version": 1
  }
}