Pith Number

pith:44EZ2US6

pith:2017:44EZ2US6HHEPAUFBZDCBYQEBTJ

not attested not anchored not stored refs pending

Strong-field tidal distortions of rotating black holes: III. Embeddings in hyperbolic 3-space

Robert F. Penna, Scott A. Hughes, Stephen O'Sullivan

arxiv:1704.05471 v2 · 2017-04-18 · gr-qc · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{44EZ2US6HHEPAUFBZDCBYQEBTJ}

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	2026-05-18T00:33:18.673585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7099d525e39c8f050a1c8c41c40819a7e6b0b6344eb85f558c5c40529f71b79

Aliases

arxiv: 1704.05471 · arxiv_version: 1704.05471v2 · doi: 10.48550/arxiv.1704.05471 · pith_short_12: 44EZ2US6HHEP · pith_short_16: 44EZ2US6HHEPAUFB · pith_short_8: 44EZ2US6

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/44EZ2US6HHEPAUFBZDCBYQEBTJ \
  | 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: e7099d525e39c8f050a1c8c41c40819a7e6b0b6344eb85f558c5c40529f71b79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9a76ee2c48c201271eea5979849a151e62e3d4d41740e0899c48ac5a6f1ec41",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-04-18T18:00:18Z",
    "title_canon_sha256": "fc882b4f3b88766b5dc49abad515f3eaed1a7109d438b0ec185c3524acb4b5ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05471",
    "kind": "arxiv",
    "version": 2
  }
}