Pith Number

pith:HBKVHMYN

pith:2011:HBKVHMYNGBHQWUXWZZTDEX7O6O

not attested not anchored not stored refs pending

Supermassive black holes do not correlate with galaxy disks or pseudobulges

John Kormendy, M. E. Cornell, R. Bender

arxiv:1101.3781 v1 · 2011-01-19 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HBKVHMYNGBHQWUXWZZTDEX7O6O}

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	2026-05-18T02:03:26.268499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

385553b30d304f0b52f6ce66325feef380630283fd92853e322966f1790c5a9b

Aliases

arxiv: 1101.3781 · arxiv_version: 1101.3781v1 · doi: 10.48550/arxiv.1101.3781 · pith_short_12: HBKVHMYNGBHQ · pith_short_16: HBKVHMYNGBHQWUXW · pith_short_8: HBKVHMYN

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/HBKVHMYNGBHQWUXWZZTDEX7O6O \
  | 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: 385553b30d304f0b52f6ce66325feef380630283fd92853e322966f1790c5a9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b89087393f3d26db52f63a689303385705bf0bf90cbbffddf567cac4b403c9e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-01-19T21:00:02Z",
    "title_canon_sha256": "fb771edb05b82d0186fbc606f65c4772b521316deea4849d20ad74756f224f21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3781",
    "kind": "arxiv",
    "version": 1
  }
}