Pith Number

pith:KXDXBUBE

pith:2011:KXDXBUBEASL3BTTGTSCEQNZMM6

not attested not anchored not stored refs pending

The Different Nature in Seyfert 2 Galaxies With and Without Hidden Broad-Line Regions

Cheng-Min Zhang, En-Peng Zhang, Yan-Chun Liang, Yong-Heng Zhao, Yu-Zhong Wu

arxiv:1101.4132 v1 · 2011-01-21 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KXDXBUBEASL3BTTGTSCEQNZMM6}

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	2026-05-18T02:03:25.680614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55c770d0240497b0ce669c8448372c67af09919a7b45cb37ad3d0276990d46d0

Aliases

arxiv: 1101.4132 · arxiv_version: 1101.4132v1 · doi: 10.48550/arxiv.1101.4132 · pith_short_12: KXDXBUBEASL3 · pith_short_16: KXDXBUBEASL3BTTG · pith_short_8: KXDXBUBE

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/KXDXBUBEASL3BTTGTSCEQNZMM6 \
  | 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: 55c770d0240497b0ce669c8448372c67af09919a7b45cb37ad3d0276990d46d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dbd2a1866ad7d0752a7f1973e8be1dd943fee38d592a30aa9fb6ec3f507a0e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-01-21T13:40:42Z",
    "title_canon_sha256": "ed1c9c4c04fc43e34f33292400fd656b288392c18435fe2b2911a3f09aae8940"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4132",
    "kind": "arxiv",
    "version": 1
  }
}