Pith Number

pith:LFMOGN5U

pith:2010:LFMOGN5U7FD4KF7CI7SWYLQQNK

not attested not anchored not stored refs pending

The Evolution and Eddington Ratio Distribution of Compton Thick Active Galactic Nuclei

A.R. Draper, D.R. Ballantyne

arxiv:1004.0690 v2 · 2010-04-05 · 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{LFMOGN5U7FD4KF7CI7SWYLQQNK}

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	2026-05-18T02:08:14.333591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5958e337b4f947c517e247e56c2e106a885af9e3a68f70b24d7afe0de7338bec

Aliases

arxiv: 1004.0690 · arxiv_version: 1004.0690v2 · doi: 10.48550/arxiv.1004.0690 · pith_short_12: LFMOGN5U7FD4 · pith_short_16: LFMOGN5U7FD4KF7C · pith_short_8: LFMOGN5U

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/LFMOGN5U7FD4KF7CI7SWYLQQNK \
  | 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: 5958e337b4f947c517e247e56c2e106a885af9e3a68f70b24d7afe0de7338bec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dcad8999a4e9098269a9968517cfa083588b4e9711685a67010a566be548fa7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-05T19:59:11Z",
    "title_canon_sha256": "6c45b654a20243cf7a249f1d3ce64f891b7270bf69c7ed3b8ce8c86869a879e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0690",
    "kind": "arxiv",
    "version": 2
  }
}