Pith Number

pith:YPYNIA6I

pith:2014:YPYNIA6IHZK6EP3QYLMXJRLDJ4

not attested not anchored not stored refs pending

A Compton thick AGN in the barred spiral NGC 4785

C. Ricci (Kyoto), D. Asmus (ESO), P. Gandhi (Durham), R.F. Mushotzky (UMd), S. Yamada (TMU), V. La Parola (INAF), Y. Terashima (Ehime), Y. Ueda (Kyoto)

arxiv:1408.4453 v1 · 2014-08-19 · astro-ph.HE · 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{YPYNIA6IHZK6EP3QYLMXJRLDJ4}

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.

Cited by

1 paper in Pith

Hunting for extreme high-energy-peaked BL Lacs: Rare to find and difficult to classify

Receipt and verification

First computed	2026-05-18T01:42:17.165380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3f0d403c83e55e23f70c2d974c5634f0dc37090eb74db0fdd875f36969f7aac

Aliases

arxiv: 1408.4453 · arxiv_version: 1408.4453v1 · doi: 10.48550/arxiv.1408.4453 · pith_short_12: YPYNIA6IHZK6 · pith_short_16: YPYNIA6IHZK6EP3Q · pith_short_8: YPYNIA6I

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/YPYNIA6IHZK6EP3QYLMXJRLDJ4 \
  | 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: c3f0d403c83e55e23f70c2d974c5634f0dc37090eb74db0fdd875f36969f7aac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68cd77192c52db47566766356de7a1e4f5d83746a60139d84a46af0c6e617366",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-08-19T20:00:07Z",
    "title_canon_sha256": "5cd6e4e51077be5aeeee179b00363b1bc3d1d52a967af36ce335a15186c59ac2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4453",
    "kind": "arxiv",
    "version": 1
  }
}