Pith Number

pith:IJFRQB5M

pith:2010:IJFRQB5MBR5FZUTD73BZEUEFYQ

not attested not anchored not stored refs pending

On the evolution of the intrinsic scatter in black hole versus galaxy mass relations

A. Burkert, M. Hirschmann, R. Somerville, S. Genel, S. Khochfar, T. Naab

arxiv:1005.2100 v1 · 2010-05-12 · 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{IJFRQB5MBR5FZUTD73BZEUEFYQ}

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	2026-05-18T02:07:33.734088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

424b1807ac0c7a5cd263fec3925085c437d7e49c32507d157ee675038af7ddf4

Aliases

arxiv: 1005.2100 · arxiv_version: 1005.2100v1 · doi: 10.48550/arxiv.1005.2100 · pith_short_12: IJFRQB5MBR5F · pith_short_16: IJFRQB5MBR5FZUTD · pith_short_8: IJFRQB5M

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/IJFRQB5MBR5FZUTD73BZEUEFYQ \
  | 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: 424b1807ac0c7a5cd263fec3925085c437d7e49c32507d157ee675038af7ddf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4007247bc89167447bd455bda171d3dc3b410ab7573d883a21a4e3c41fe793c8",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-05-12T13:48:02Z",
    "title_canon_sha256": "45eb666d241a7511bc0f33a377f9848d3ee4fa7be7b518bc4dce0e8ca1ba9eee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2100",
    "kind": "arxiv",
    "version": 1
  }
}