Pith Number

pith:M7WSBEIH

pith:2018:M7WSBEIHE7POQO2WKIDVXEMD26

not attested not anchored not stored refs pending

Probing AGN Inner Structure with X-ray Obscured Type 1 AGN

Andrea Merloni, Damien Coffey, Gabriele Ponti, Johan Comparat, Jun-Xian Wang, Kirpal Nandra, Mara Salvato, Marcella Brusa, Paolo Tozzi, Teng Liu, Yue Shen, Zhu Liu

arxiv:1807.02699 v1 · 2018-07-07 · 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{M7WSBEIHE7POQO2WKIDVXEMD26}

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	2026-05-18T00:10:36.741416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67ed20910727dee83b5652075b9183d799f965498dc33169e286123c2d5ca044

Aliases

arxiv: 1807.02699 · arxiv_version: 1807.02699v1 · doi: 10.48550/arxiv.1807.02699 · pith_short_12: M7WSBEIHE7PO · pith_short_16: M7WSBEIHE7POQO2W · pith_short_8: M7WSBEIH

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/M7WSBEIHE7POQO2WKIDVXEMD26 \
  | 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: 67ed20910727dee83b5652075b9183d799f965498dc33169e286123c2d5ca044

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44594ca30a575010388c79bdf58287d221ac394ad63faeb812c56f498a0e0104",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-07T17:45:05Z",
    "title_canon_sha256": "dfcc21dcbf08be4f2525e01c5f9e549b255b6b7dd058938db297bf09aebbe163"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02699",
    "kind": "arxiv",
    "version": 1
  }
}