Pith Number

pith:2ZRAHSLD

pith:2019:2ZRAHSLDHSE7LX7LQGFWTNK6AK

not attested not anchored not stored refs pending

Moving black holes: energy extraction, absorption cross-section and the ring of fire

Rodrigo Vicente, Vitor Cardoso

arxiv:1906.10140 v2 · 2019-06-24 · gr-qc · astro-ph.HE · hep-th · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZRAHSLDHSE7LX7LQGFWTNK6AK}

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

4 papers in Pith

Absorption cross section of a Schwarzschild black hole for a massive vector field

Ringdown and lensing of triple systems

Superradiance -- the 2020 Edition

Resonant transmission of scalar waves through rotating traversable wormhole

Receipt and verification

First computed	2026-07-05T00:10:38.757887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d66203c9633c89f5dfeb818b69b55e0290161e020a67cc76eef3e4bcd91f7291

Aliases

arxiv: 1906.10140 · arxiv_version: 1906.10140v2 · doi: 10.48550/arxiv.1906.10140 · pith_short_12: 2ZRAHSLDHSE7 · pith_short_16: 2ZRAHSLDHSE7LX7L · pith_short_8: 2ZRAHSLD

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/2ZRAHSLDHSE7LX7LQGFWTNK6AK \
  | 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: d66203c9633c89f5dfeb818b69b55e0290161e020a67cc76eef3e4bcd91f7291

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3e3c3917b65eeacd917f11f6582dbe83ee779c579cee1bfe71e4050604b6188",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-06-24T18:00:04Z",
    "title_canon_sha256": "8029a32cf3085e406b4ab4c781ad4838e2304e4ba420b19fa88b72c1ffb07e5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10140",
    "kind": "arxiv",
    "version": 2
  }
}