Pith Number

pith:D2LYS7KB

pith:2021:D2LYS7KBYV73CDEU4MUONY5HPR

not attested not anchored not stored refs pending

Blandford-Znajek Process in Quadratic Gravity

Alejandro C\'ardenas-Avenda\~no, Charles F. Gammie, Jameson Dong, Nicol\'as Pati\~no, Nicol\'as Yunes, Yiqi Xie

arxiv:2111.08758 v2 · 2021-11-16 · 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{D2LYS7KBYV73CDEU4MUONY5HPR}

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	2026-07-05T03:54:03.778026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e97897d41c57fb10c94e328e6e3a77c65b4fbbcd7cc087463a1f49d144331db

Aliases

arxiv: 2111.08758 · arxiv_version: 2111.08758v2 · doi: 10.48550/arxiv.2111.08758 · pith_short_12: D2LYS7KBYV73 · pith_short_16: D2LYS7KBYV73CDEU · pith_short_8: D2LYS7KB

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/D2LYS7KBYV73CDEU4MUONY5HPR \
  | 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: 1e97897d41c57fb10c94e328e6e3a77c65b4fbbcd7cc087463a1f49d144331db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e2a5c9516e367fe5f528147e451578537e6ff0514afefae6fa13eec75906cee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-11-16T20:11:10Z",
    "title_canon_sha256": "f4ee175e460df853b47f26c73491fc5e6976b9a8b8c0dd35c8ae34e8810504d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.08758",
    "kind": "arxiv",
    "version": 2
  }
}