Pith Number

pith:2GCWJNLE

pith:2017:2GCWJNLECKQIC2776V7KWJNJJE

not attested not anchored not stored refs pending

Bopp-Podolsky black holes and the no-hair theorem

B. M. Pimentel, C. A. M. de Melo, L. G. Medeiros, P. J. Pompeia, R. R. Cuzinatto

arxiv:1706.09455 v3 · 2017-06-28 · 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{2GCWJNLECKQIC2776V7KWJNJJE}

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	2026-05-18T00:24:22.475962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d18564b56412a0816bfff57eab25a9491b03ecf3f21bbf5f1d27be1296fe3dc1

Aliases

arxiv: 1706.09455 · arxiv_version: 1706.09455v3 · doi: 10.48550/arxiv.1706.09455 · pith_short_12: 2GCWJNLECKQI · pith_short_16: 2GCWJNLECKQIC277 · pith_short_8: 2GCWJNLE

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/2GCWJNLECKQIC2776V7KWJNJJE \
  | 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: d18564b56412a0816bfff57eab25a9491b03ecf3f21bbf5f1d27be1296fe3dc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "791ec8c04873d586200e8cb0f4e655358aa89b8a407966446d933e50612d0857",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-06-28T19:47:13Z",
    "title_canon_sha256": "6e8b77875f8cd727dda5fe92ec5f38197d2d4587278ed7a867e56425ec5d2f14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.09455",
    "kind": "arxiv",
    "version": 3
  }
}