Pith Number

pith:QXY4PP3S

pith:2012:QXY4PP3SDYHQIJADUTVEPMJBVO

not attested not anchored not stored refs pending

On collisions with unlimited energies in the vicinity of Kerr and Schwarzschild black hole horizons

A. A. Grib, O. F. Piattella, Yu. V. Pavlov

arxiv:1203.4952 v1 · 2012-03-22 · 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{QXY4PP3SDYHQIJADUTVEPMJBVO}

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	2026-05-18T03:59:28.295659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85f1c7bf721e0f042403a4ea47b121abb403b72bab87a67792b5c82810b3b2be

Aliases

arxiv: 1203.4952 · arxiv_version: 1203.4952v1 · doi: 10.48550/arxiv.1203.4952 · pith_short_12: QXY4PP3SDYHQ · pith_short_16: QXY4PP3SDYHQIJAD · pith_short_8: QXY4PP3S

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/QXY4PP3SDYHQIJADUTVEPMJBVO \
  | 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: 85f1c7bf721e0f042403a4ea47b121abb403b72bab87a67792b5c82810b3b2be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e9c0a62b204773a202910e45206fff13049c1d1ccd65fe2dea4404d2117d726",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-03-22T10:22:06Z",
    "title_canon_sha256": "49e7c1e16ccba28a73771a9bceaf9502904b81a4bda831a81deac1493483799d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4952",
    "kind": "arxiv",
    "version": 1
  }
}