Pith Number

pith:UM36I7GO

pith:2012:UM36I7GONSCJIOXEO5S63N4DXC

not attested not anchored not stored refs pending

The observed $M - \sigma$ relations imply that SMBHs grow by cold chaotic accretion

Andrew R. King, Chris Power, Sergei Nayakshin

arxiv:1203.3450 v1 · 2012-03-15 · 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{UM36I7GONSCJIOXEO5S63N4DXC}

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	2026-05-18T01:58:08.301761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a337e47cce6c84943ae47765edb783b8ae4a5dc8b2d66a031c4355d4a4fe8d3e

Aliases

arxiv: 1203.3450 · arxiv_version: 1203.3450v1 · doi: 10.48550/arxiv.1203.3450 · pith_short_12: UM36I7GONSCJ · pith_short_16: UM36I7GONSCJIOXE · pith_short_8: UM36I7GO

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/UM36I7GONSCJIOXEO5S63N4DXC \
  | 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: a337e47cce6c84943ae47765edb783b8ae4a5dc8b2d66a031c4355d4a4fe8d3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd08938d13b2029dd64149ab94704f65180efef58b0f6b4c4d342a489c6c41b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-15T19:24:13Z",
    "title_canon_sha256": "2fd88479a5e6a1bd5bef9e029eca9b07551589fde23a68d5ce4e105d85ebb8cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3450",
    "kind": "arxiv",
    "version": 1
  }
}