Pith Number

pith:I5DLNCAG

pith:2021:I5DLNCAG3E2E4ZG3IH5GGWWMSP

not attested not anchored not stored refs pending

Petrov Type, Principal Null Directions, and Killing Tensors of Slowly-Rotating Black Holes in Quadratic Gravity

Caroline B. Owen, Helvi Witek, Nicol\'as Yunes

arxiv:2103.15891 v4 · 2021-03-29 · 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{I5DLNCAG3E2E4ZG3IH5GGWWMSP}

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

4 papers in Pith

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

Metric Reconstruction for Generic Black-Hole Perturbations

Families of regular spacetimes and energy conditions

Receipt and verification

First computed	2026-07-05T07:30:16.813308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4746b68806d9344e64db41fa635acc93c6f4aa1d1bc463a904c2bd1194c77b32

Aliases

arxiv: 2103.15891 · arxiv_version: 2103.15891v4 · doi: 10.48550/arxiv.2103.15891 · pith_short_12: I5DLNCAG3E2E · pith_short_16: I5DLNCAG3E2E4ZG3 · pith_short_8: I5DLNCAG

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/I5DLNCAG3E2E4ZG3IH5GGWWMSP \
  | 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: 4746b68806d9344e64db41fa635acc93c6f4aa1d1bc463a904c2bd1194c77b32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56234b059d533a68666da19634a0a5d788fa9c666e159514a442a4029c9cb0d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-03-29T19:00:11Z",
    "title_canon_sha256": "a86257c5849edb5ce79baa676b1366a774dbb2f7ebf11e0e6f8c381ac2d4ad1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.15891",
    "kind": "arxiv",
    "version": 4
  }
}