Pith Number

pith:CUJFYEP4

pith:2019:CUJFYEP4KD2CVQAAINLA5YZLOI

not attested not anchored not stored refs pending

Hyperbolicity in Spherical Gravitational Collapse in a Horndeski Theory

Frans Pretorius, Justin L Ripley

arxiv:1902.01468 v2 · 2019-02-04 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CUJFYEP4KD2CVQAAINLA5YZLOI}

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.

Cited by

2 papers in Pith

Modified Teukolsky Formalism for Extreme Mass-Ratio Inspirals in Higher-Derivative Gravity

Minimum mass, maximum charge and hyperbolicity in scalar Gauss-Bonnet gravity

Receipt and verification

First computed	2026-07-05T00:11:56.446584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15125c11fc50f42ac00043560ee32b720a77d59cf2721f0bdc4e1ea1bad6b41b

Aliases

arxiv: 1902.01468 · arxiv_version: 1902.01468v2 · doi: 10.48550/arxiv.1902.01468 · pith_short_12: CUJFYEP4KD2C · pith_short_16: CUJFYEP4KD2CVQAA · pith_short_8: CUJFYEP4

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/CUJFYEP4KD2CVQAAINLA5YZLOI \
  | 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: 15125c11fc50f42ac00043560ee32b720a77d59cf2721f0bdc4e1ea1bad6b41b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37d190264676dc032d50b6efd01def382aaa624321f39b9fcaafeec98a30a624",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-02-04T21:40:11Z",
    "title_canon_sha256": "4626d338a6ab9c574145e126f033842276ad03257ef8cbeaac06bb5adb48e6dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01468",
    "kind": "arxiv",
    "version": 2
  }
}