Pith Number

pith:HDYBXFVP

pith:2016:HDYBXFVP7ZKEKJHQ5JBFFP3X5D

not attested not anchored not stored refs pending

The Fundamental Plane of the Broad-line Region in Active Galactic Nuclei

Chen Hu, Jian-Min Wang, Jin-Ming Bai, Luis C. Ho, Pu Du, Yan-Rong Li

arxiv:1601.01391 v2 · 2016-01-07 · 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{HDYBXFVP7ZKEKJHQ5JBFFP3X5D}

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	2026-05-18T01:20:40.543364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38f01b96affe544524f0ea4252bf77e8e642c2c8a75e29ecea480ad0f7a7e771

Aliases

arxiv: 1601.01391 · arxiv_version: 1601.01391v2 · doi: 10.48550/arxiv.1601.01391 · pith_short_12: HDYBXFVP7ZKE · pith_short_16: HDYBXFVP7ZKEKJHQ · pith_short_8: HDYBXFVP

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/HDYBXFVP7ZKEKJHQ5JBFFP3X5D \
  | 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: 38f01b96affe544524f0ea4252bf77e8e642c2c8a75e29ecea480ad0f7a7e771

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e62c19cf86249e2da5f0196730430d8c4a005d4ec4e7e48f1ba98652049da0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-01-07T03:58:48Z",
    "title_canon_sha256": "187696ed908eca534a4e17a1d9f7bccec4b7bd9e3bf6cd336b6bc18919a9628b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01391",
    "kind": "arxiv",
    "version": 2
  }
}