Pith Number

pith:MZPR6XPP

pith:2016:MZPR6XPPH6O724W2O27BDWUD3S

not attested not anchored not stored refs pending

Maximum efficiency of the collisional Penrose process

O. B. Zaslavskii

arxiv:1607.00651 v2 · 2016-07-03 · 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{MZPR6XPPH6O724W2O27BDWUD3S}

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	2026-05-18T01:03:49.214417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

665f1f5def3f9dfd72da76be11da83dc8d46772ee5dbc43fcab2d38bf08e5459

Aliases

arxiv: 1607.00651 · arxiv_version: 1607.00651v2 · doi: 10.48550/arxiv.1607.00651 · pith_short_12: MZPR6XPPH6O7 · pith_short_16: MZPR6XPPH6O724W2 · pith_short_8: MZPR6XPP

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/MZPR6XPPH6O724W2O27BDWUD3S \
  | 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: 665f1f5def3f9dfd72da76be11da83dc8d46772ee5dbc43fcab2d38bf08e5459

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cf5e469382717127430f35dcd8a89652ce5eda4f19d7628fb930feb15ec02f6",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-07-03T16:01:44Z",
    "title_canon_sha256": "a195b79563bac143f5d85b30bd9533a808deb291638ff5cbb37f7bcfe59b974c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.00651",
    "kind": "arxiv",
    "version": 2
  }
}