Pith Number

pith:43CSIO7E

pith:2008:43CSIO7EZXAKSGSKGTXVOU4BVV

not attested not anchored not stored refs pending

Disk illumination by black hole superradiance of electromagnetic perturbations

Akira Tomimatsu, Kohei Onda, Taichi Kobayashi

arxiv:0802.0951 v2 · 2008-02-07 · gr-qc · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{43CSIO7EZXAKSGSKGTXVOU4BVV}

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	2026-05-18T04:41:05.373060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6c5243be4cdc0a91a4a34ef575381ad644940d58cc5e878e1279bea3e0657d6

Aliases

arxiv: 0802.0951 · arxiv_version: 0802.0951v2 · doi: 10.48550/arxiv.0802.0951 · pith_short_12: 43CSIO7EZXAK · pith_short_16: 43CSIO7EZXAKSGSK · pith_short_8: 43CSIO7E

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/43CSIO7EZXAKSGSKGTXVOU4BVV \
  | 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: e6c5243be4cdc0a91a4a34ef575381ad644940d58cc5e878e1279bea3e0657d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "903aeb485eceadbe30eba9e75a7b2218a031044def6fa98eb3275248eed0e9a3",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-02-07T11:28:40Z",
    "title_canon_sha256": "9c2999cc8452df4c6efd1fd4a890073b3011c6bb69e01b50b37e959e3c57a143"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.0951",
    "kind": "arxiv",
    "version": 2
  }
}