Pith Number

pith:PQ4GACEJ

pith:2011:PQ4GACEJGP7VBOVHIEBCVJDLZN

not attested not anchored not stored refs pending

The XMM-Newton Wide field survey in the COSMOS field: redshift evolution of AGN bias and subdominant role of mergers in triggering moderate luminosity AGN at redshift up to 2.2

A. Bongiorno, A. Comastri, A. Finoguenov, A. Merloni, F. Shankar, G. Hasinger, G. Zamorani, H. J. McCracken, J. A. Peacock, J. B. James, J. Silverman, M. Brusa, M. Salvato, N. Cappelluti, R. Gilli, T. Miyaji, V. Allevato

arxiv:1105.0520 v1 · 2011-05-03 · 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{PQ4GACEJGP7VBOVHIEBCVJDLZN}

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	2026-05-18T02:02:09.802755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c3860088933ff50baa741022aa46bcb7db38f742d6924dbad12264cb693b2ae

Aliases

arxiv: 1105.0520 · arxiv_version: 1105.0520v1 · doi: 10.48550/arxiv.1105.0520 · pith_short_12: PQ4GACEJGP7V · pith_short_16: PQ4GACEJGP7VBOVH · pith_short_8: PQ4GACEJ

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/PQ4GACEJGP7VBOVHIEBCVJDLZN \
  | 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: 7c3860088933ff50baa741022aa46bcb7db38f742d6924dbad12264cb693b2ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57cd853a6f216d91f46831c9e4502a315f1cc283fce871832c5135ac5b0a1162",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-05-03T09:14:24Z",
    "title_canon_sha256": "851d4ebf97b23506a31e0a3a70193b3cb185a5ed28c251a63864c57f0aa1b535"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0520",
    "kind": "arxiv",
    "version": 1
  }
}