Pith Number

pith:CTAE3UR4

pith:1994:CTAE3UR47QGK3LDAKDZJGMADQN

not attested not anchored not stored refs pending

Perturbative Metric of Charged Black Holes in Quadratic Gravity

C.O.Lousto, J.Audretsch, M.Campanelli

arxiv:gr-qc/9412001 v1 · 1994-12-01 · gr-qc · astro-ph · 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{CTAE3UR47QGK3LDAKDZJGMADQN}

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	2026-05-18T01:08:07.987852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14c04dd23cfc0cadac6050f2933003837b2b0c9d13d753e2733eaeed2454473d

Aliases

arxiv: gr-qc/9412001 · arxiv_version: gr-qc/9412001v1 · doi: 10.48550/arxiv.gr-qc/9412001 · pith_short_12: CTAE3UR47QGK · pith_short_16: CTAE3UR47QGK3LDA · pith_short_8: CTAE3UR4

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/CTAE3UR47QGK3LDAKDZJGMADQN \
  | 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: 14c04dd23cfc0cadac6050f2933003837b2b0c9d13d753e2733eaeed2454473d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5150379fe13abbd4a8ec1e05990e690764e86058e17d63967178e769b546655e",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-12-01T15:49:03Z",
    "title_canon_sha256": "611eedd1c14d0b7f4adf268e8704dd52b70b8f2df82c92b49a42669e8aab83a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9412001",
    "kind": "arxiv",
    "version": 1
  }
}