Pith Number

pith:5EHUL2O3

pith:2008:5EHUL2O3WAJYS53Y6NISYS4LCY

not attested not anchored not stored refs pending

Binary Black Hole Merger in Galactic Nuclei: Post-Newtonian Simulations

David Merritt, Ingo Berentzen, Miguel Preto, Peter Berczik, Rainer Spurzem

arxiv:0812.2756 v1 · 2008-12-15 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5EHUL2O3WAJYS53Y6NISYS4LCY}

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	2026-05-18T04:29:24.525112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e90f45e9dbb013897778f3512c4b8b163bc5911a9d31010ed297e12dd4308d95

Aliases

arxiv: 0812.2756 · arxiv_version: 0812.2756v1 · doi: 10.48550/arxiv.0812.2756 · pith_short_12: 5EHUL2O3WAJY · pith_short_16: 5EHUL2O3WAJYS53Y · pith_short_8: 5EHUL2O3

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/5EHUL2O3WAJYS53Y6NISYS4LCY \
  | 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: e90f45e9dbb013897778f3512c4b8b163bc5911a9d31010ed297e12dd4308d95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f02df7e15009181162172a5855fcc20a6acef2a38b5a742153455cfb04e83cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-15T10:27:00Z",
    "title_canon_sha256": "3ed1eec4ddb2218fa8e3eddba4761ee027c136c9db8fc9037e3e2f30700b2dfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2756",
    "kind": "arxiv",
    "version": 1
  }
}