Pith Number

pith:CH2GLTJ4

pith:2010:CH2GLTJ4WA6BQMLMCBPUYFCHYA

not attested not anchored not stored refs pending

The evolution of AGN across cosmic time: what is downsizing?

A. J. Benson, C. del P. Lagos, C. Done, C. Lacey, C. M. Baugh, C. S. Frenk, N. Fanidakis, R. C. Hickox, R. G. Bower, S. Cole

arxiv:1011.5222 v1 · 2010-11-23 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CH2GLTJ4WA6BQMLMCBPUYFCHYA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:04:41.696572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11f465cd3cb03c18316c105f4c1447c004393eb6127ee006e022cf0a572c3d35

Aliases

arxiv: 1011.5222 · arxiv_version: 1011.5222v1 · doi: 10.48550/arxiv.1011.5222 · pith_short_12: CH2GLTJ4WA6B · pith_short_16: CH2GLTJ4WA6BQMLM · pith_short_8: CH2GLTJ4

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/CH2GLTJ4WA6BQMLMCBPUYFCHYA \
  | 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: 11f465cd3cb03c18316c105f4c1447c004393eb6127ee006e022cf0a572c3d35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bb0e7a159020240eb8e8b1a26f677ffbe2b24a3d43b00424421d0987a1202fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-23T21:00:02Z",
    "title_canon_sha256": "780be57352af6330134b24e3c4900bfca388f829141787fd1dee6589089204eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.5222",
    "kind": "arxiv",
    "version": 1
  }
}