Pith Number

pith:KXCVHEFT

pith:2013:KXCVHEFTTXT2EMTW2Y67W6SUTV

not attested not anchored not stored refs pending

Geodesics with negative energy in the ergosphere of rotating black holes

A. A. Grib, V. D. Vertogradov, Yu. V. Pavlov

arxiv:1304.7360 v2 · 2013-04-27 · 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{KXCVHEFTTXT2EMTW2Y67W6SUTV}

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	2026-05-18T02:38:44.628326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55c55390b39de7a23276d63dfb7a549d584af67ace53d40543f7a79763dc18d1

Aliases

arxiv: 1304.7360 · arxiv_version: 1304.7360v2 · doi: 10.48550/arxiv.1304.7360 · pith_short_12: KXCVHEFTTXT2 · pith_short_16: KXCVHEFTTXT2EMTW · pith_short_8: KXCVHEFT

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/KXCVHEFTTXT2EMTW2Y67W6SUTV \
  | 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: 55c55390b39de7a23276d63dfb7a549d584af67ace53d40543f7a79763dc18d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8186f358789fefd833fc03e55ce712bcd7f7dcd9149d41d3bd245079c73adb71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-04-27T11:53:35Z",
    "title_canon_sha256": "7bdf18cea4dc940c16e8618134d34b0b5f87ab31ae0f6aacdc5c9cfcc2ed8823"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7360",
    "kind": "arxiv",
    "version": 2
  }
}