Pith Number

pith:RK7JK4HQ

pith:2018:RK7JK4HQMFFIIYEUPQKEA7WLUT

not attested not anchored not stored refs pending

Tracking black hole kicks from gravitational wave observations

Deirdre Shoemaker, James A. Clark, Juan Calder\'on Bustillo, Pablo Laguna

arxiv:1806.11160 v2 · 2018-06-28 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RK7JK4HQMFFIIYEUPQKEA7WLUT}

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	2026-05-18T00:00:52.729924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8abe9570f0614a8460947c14407ecba4eada6880fc7b6bd55e5489e01af2ebc6

Aliases

arxiv: 1806.11160 · arxiv_version: 1806.11160v2 · doi: 10.48550/arxiv.1806.11160 · pith_short_12: RK7JK4HQMFFI · pith_short_16: RK7JK4HQMFFIIYEU · pith_short_8: RK7JK4HQ

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/RK7JK4HQMFFIIYEUPQKEA7WLUT \
  | 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: 8abe9570f0614a8460947c14407ecba4eada6880fc7b6bd55e5489e01af2ebc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdb4d5502e80467276f5f09148c89c6b8cbf7f6ac4c8d4a534dbca0ef3ee52b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-06-28T19:52:19Z",
    "title_canon_sha256": "beb10e06376d782c28afad5d9a73340c32b3a40604f8150cf3fac1669f6a7e73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.11160",
    "kind": "arxiv",
    "version": 2
  }
}