Pith Number

pith:7VBYEMKM

pith:2012:7VBYEMKMZI5R24XR3QESOYYJH5

not attested not anchored not stored refs pending

Supermassive black hole formation by the cold accretion shocks in the first galaxies

Kazuyuki Omukai, Kohei Inayoshi

arxiv:1202.5380 v1 · 2012-02-24 · 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{7VBYEMKMZI5R24XR3QESOYYJH5}

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	2026-05-18T01:58:20.002524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd4382314cca3b1d72f1dc092763093f6a7b56bddad19ed64ca72cd4d675e312

Aliases

arxiv: 1202.5380 · arxiv_version: 1202.5380v1 · doi: 10.48550/arxiv.1202.5380 · pith_short_12: 7VBYEMKMZI5R · pith_short_16: 7VBYEMKMZI5R24XR · pith_short_8: 7VBYEMKM

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/7VBYEMKMZI5R24XR3QESOYYJH5 \
  | 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: fd4382314cca3b1d72f1dc092763093f6a7b56bddad19ed64ca72cd4d675e312

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2380f105e438911dd7f589cfd3c2983554f99df6d40a05f3b1a293ea8cbc3c6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-24T07:10:20Z",
    "title_canon_sha256": "c281b9c840e1be5b29038dfe00fb5fbc91eb72a1177e5314e0fd971184935627"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5380",
    "kind": "arxiv",
    "version": 1
  }
}