Pith Number

pith:YQX5G5ZA

pith:2015:YQX5G5ZA5TQ2VABTVLKOGTFO2G

not attested not anchored not stored refs pending

Infinite efficiency of collisional Penrose process: Can over-spinning Kerr geometry be the source of ultra-high-energy cosmic rays and neutrinos ?

Ken-ichi Nakao, Mandar Patil, Masashi Kimura, Pankaj S. Joshi, Tomohiro Harada

arxiv:1510.08205 v2 · 2015-10-28 · gr-qc · astro-ph.HE · hep-ph · 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{YQX5G5ZA5TQ2VABTVLKOGTFO2G}

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

Testing the nature of dark compact objects: a status report

Receipt and verification

First computed	2026-05-18T01:15:14.819735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c42fd37720ece1aa8033aad4e34caed1a1b7b2a675dd91f0d14e9df00fad7998

Aliases

arxiv: 1510.08205 · arxiv_version: 1510.08205v2 · doi: 10.48550/arxiv.1510.08205 · pith_short_12: YQX5G5ZA5TQ2 · pith_short_16: YQX5G5ZA5TQ2VABT · pith_short_8: YQX5G5ZA

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/YQX5G5ZA5TQ2VABTVLKOGTFO2G \
  | 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: c42fd37720ece1aa8033aad4e34caed1a1b7b2a675dd91f0d14e9df00fad7998

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bdbe35103f57c2b5c92ce251e4d0aed8394003592691a2109cf1678609e4f1f",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-10-28T06:19:06Z",
    "title_canon_sha256": "ccd2c86e36c8424ae5fdfbe2e2e717d36d4b91cdfcdd956d0be684e91b1e4277"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08205",
    "kind": "arxiv",
    "version": 2
  }
}