Pith Number

pith:XH52BF3R

pith:2018:XH52BF3RIGMFR4GVHWU7WHS4Z7

not attested not anchored not stored refs pending

The environment-dependence of the growth of the most massive objects in the Universe

Jan J. Ostrowski, Krzysztof Bolejko

arxiv:1805.11047 v2 · 2018-05-28 · 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{XH52BF3RIGMFR4GVHWU7WHS4Z7}

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	2026-05-17T23:41:46.532580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9fba09771419858f0d53da9fb1e5ccfd00a29c9cf8e69728d475a5f537f7f47

Aliases

arxiv: 1805.11047 · arxiv_version: 1805.11047v2 · doi: 10.48550/arxiv.1805.11047 · pith_short_12: XH52BF3RIGMF · pith_short_16: XH52BF3RIGMFR4GV · pith_short_8: XH52BF3R

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/XH52BF3RIGMFR4GVHWU7WHS4Z7 \
  | 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: b9fba09771419858f0d53da9fb1e5ccfd00a29c9cf8e69728d475a5f537f7f47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b709aab57ac021a3f874f6d6d7aa48972cef67f9a6f1baa7feb9fe5441315493",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-05-28T16:58:01Z",
    "title_canon_sha256": "bcb7cf246f7c02252085600fb9d81aa2482490d96f40c236f6dfb50809e53dcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11047",
    "kind": "arxiv",
    "version": 2
  }
}