Pith Number

pith:IJOJM6GC

pith:2013:IJOJM6GCHX7H3V3GHSV3S2Z2E6

not attested not anchored not stored refs pending

Modelling the Growth of Supermassive Black Holes in Cosmological Simulations

Chris Power, Frazer R. Pearce, Stuart I. Muldrew

arxiv:1306.4327 v1 · 2013-06-18 · 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{IJOJM6GCHX7H3V3GHSV3S2Z2E6}

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	2026-05-18T03:20:34.743340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

425c9678c23dfe7dd7663cabb96b3a27a9486a0148eaa6e04d06a5ae3e075465

Aliases

arxiv: 1306.4327 · arxiv_version: 1306.4327v1 · doi: 10.48550/arxiv.1306.4327 · pith_short_12: IJOJM6GCHX7H · pith_short_16: IJOJM6GCHX7H3V3G · pith_short_8: IJOJM6GC

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/IJOJM6GCHX7H3V3GHSV3S2Z2E6 \
  | 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: 425c9678c23dfe7dd7663cabb96b3a27a9486a0148eaa6e04d06a5ae3e075465

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8789a79dfe2f889d22d3dd682dc139b6ef9932685bd3c4e6f8c3e1849d6d039",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-18T20:00:10Z",
    "title_canon_sha256": "e60761ef44bc47bd7e4fd8f298e597b4b6a7ddd6396ec837652df5079d598e2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4327",
    "kind": "arxiv",
    "version": 1
  }
}