Pith Number

pith:7QDDCYXP

pith:2013:7QDDCYXPHVVVSQ6OGYTZK6S5XC

not attested not anchored not stored refs pending

The Effect of Partial Obscuration on the Luminosity Dependence of the Obscured Fraction in Active Galactic Nuclei

Andy Lawrence, Jack H. Mayo

arxiv:1306.4316 v1 · 2013-06-18 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QDDCYXPHVVVSQ6OGYTZK6S5XC}

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	2026-05-18T01:49:15.392796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc063162ef3d6b5943ce3627957a5db88a19bfa3cf73291c5342c0fac9ba8b29

Aliases

arxiv: 1306.4316 · arxiv_version: 1306.4316v1 · doi: 10.48550/arxiv.1306.4316 · pith_short_12: 7QDDCYXPHVVV · pith_short_16: 7QDDCYXPHVVVSQ6O · pith_short_8: 7QDDCYXP

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/7QDDCYXPHVVVSQ6OGYTZK6S5XC \
  | 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: fc063162ef3d6b5943ce3627957a5db88a19bfa3cf73291c5342c0fac9ba8b29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f7fb3251420485c48b2de385dcf172beb2858bb9d483e16d3de3a8fe53e88ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-18T20:00:01Z",
    "title_canon_sha256": "cb21d591b71315b245e2acfdae26e19c9d3ca4aae3150f4d6fa9479742135bc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4316",
    "kind": "arxiv",
    "version": 1
  }
}