Pith Number

pith:YUVBGQLJ

pith:2010:YUVBGQLJKSNRHRYJO44IA7BVJZ

not attested not anchored not stored refs pending

Towards an understanding of the evolution of the scaling relations for supermassive black holes

C. M. Booth (Leiden), Joop Schaye (Leiden)

arxiv:1005.0844 v2 · 2010-05-05 · astro-ph.CO · astro-ph.GA · 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{YUVBGQLJKSNRHRYJO44IA7BVJZ}

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	2026-05-18T02:07:42.531560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c52a134169549b13c7097738807c354e49ae86faa08d8be29f04abe38fe8af13

Aliases

arxiv: 1005.0844 · arxiv_version: 1005.0844v2 · doi: 10.48550/arxiv.1005.0844 · pith_short_12: YUVBGQLJKSNR · pith_short_16: YUVBGQLJKSNRHRYJ · pith_short_8: YUVBGQLJ

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/YUVBGQLJKSNRHRYJO44IA7BVJZ \
  | 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: c52a134169549b13c7097738807c354e49ae86faa08d8be29f04abe38fe8af13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bb0ec4fc9f9b314f315c35119ee8158e65e24fc446e1f385fbbd90aba1eebeb",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-05-05T20:07:54Z",
    "title_canon_sha256": "d6f3fe6d3d5ccce4556c8f4b6c665817974b7a2c1437e3d98e76f40d40e74d1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0844",
    "kind": "arxiv",
    "version": 2
  }
}