Pith Number

pith:XBAG4ZV2

pith:2018:XBAG4ZV2EWJGJ5LO5H55JSEY2O

not attested not anchored not stored refs pending

Maximal Efficiency of Collisional Penrose Process with Spinning Particles

Hirotada Okawa, Kazumasa Okabayashi, Kei-ichi Maeda

arxiv:1804.07264 v2 · 2018-04-19 · gr-qc · astro-ph.HE · 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{XBAG4ZV2EWJGJ5LO5H55JSEY2O}

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

1 paper in Pith

Superradiance -- the 2020 Edition

Receipt and verification

First computed	2026-05-18T00:04:49.234402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8406e66ba259264f56ee9fbd4c898d393aeedf7efad54f78432fe87f4b6fa5c

Aliases

arxiv: 1804.07264 · arxiv_version: 1804.07264v2 · doi: 10.48550/arxiv.1804.07264 · pith_short_12: XBAG4ZV2EWJG · pith_short_16: XBAG4ZV2EWJGJ5LO · pith_short_8: XBAG4ZV2

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/XBAG4ZV2EWJGJ5LO5H55JSEY2O \
  | 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: b8406e66ba259264f56ee9fbd4c898d393aeedf7efad54f78432fe87f4b6fa5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76fd897bddc7b3d5912acf5b7b1d79fd13765656b304170a2928d36f149db4a0",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-04-19T16:35:11Z",
    "title_canon_sha256": "63600de0e9e19a92670b4ca38a0f755f9894cf136de653d0fd119c0d606768a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07264",
    "kind": "arxiv",
    "version": 2
  }
}