Pith Number

pith:2RIVR7W2

pith:2014:2RIVR7W2TD67G3K5ZN5LNLK5FT

not attested not anchored not stored refs pending

Compton Thick AGN in the XMM-COSMOS survey

A. Bongiorno, A. Comastri, A. Georgakakis, A. Koekemoer, A. Merloni, B. Trakhtenbrot, C. Gruppioni, C. Vignali, D. J. Rosario, E. Lusso, E. Piconcelli, F. Civano, F. Pozzi, G. Hasinger, G. Lanzuisi, G. Zamorani, I. Delvecchio, I. Georgantopoulos, J. Silverman, K. Iwasawa, M. Brusa, M. Mignoli, M. Salvato, N. Cappelluti, P. Ranalli, R. Gilli, S. Berta, S. Marchesi, T. Akylas, V. Mainieri

arxiv:1409.1867 v2 · 2014-09-05 · 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{2RIVR7W2TD67G3K5ZN5LNLK5FT}

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	2026-05-18T02:29:31.799200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d45158feda98fdf36d5dcb7ab6ad5d2cd790229d55ee8adaa2970edbf3aaa598

Aliases

arxiv: 1409.1867 · arxiv_version: 1409.1867v2 · doi: 10.48550/arxiv.1409.1867 · pith_short_12: 2RIVR7W2TD67 · pith_short_16: 2RIVR7W2TD67G3K5 · pith_short_8: 2RIVR7W2

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/2RIVR7W2TD67G3K5ZN5LNLK5FT \
  | 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: d45158feda98fdf36d5dcb7ab6ad5d2cd790229d55ee8adaa2970edbf3aaa598

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68b30e6f3c76f43d037fc8143b841b837b6b36a429fafd28b94b5b8135837492",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-09-05T16:44:51Z",
    "title_canon_sha256": "6c967deab8c6d9c85b6471747efa96b31c6be0aa90f5be8b4a85b31de48be551"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1867",
    "kind": "arxiv",
    "version": 2
  }
}