Pith Number

pith:2GH6AFR2

pith:2019:2GH6AFR2AMVA2JDKDH7BU6AIW7

not attested not anchored not stored refs pending

Charged black holes with axionic-type couplings: classes of solutions and dynamical scalarisation

Alexandre M. Pombo, Carlos A. R. Herdeiro, Eugen Radu, Nicolas Sanchis-Gual, Pedro G. S. Fernandes

arxiv:1908.00037 v1 · 2019-07-31 · gr-qc · 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{2GH6AFR2AMVA2JDKDH7BU6AIW7}

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	2026-07-05T00:15:39.600628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d18fe0163a032a0d246a19fe1a7808b7ec476424cfbf7275db81f1411250f10d

Aliases

arxiv: 1908.00037 · arxiv_version: 1908.00037v1 · doi: 10.48550/arxiv.1908.00037 · pith_short_12: 2GH6AFR2AMVA · pith_short_16: 2GH6AFR2AMVA2JDK · pith_short_8: 2GH6AFR2

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/2GH6AFR2AMVA2JDKDH7BU6AIW7 \
  | 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: d18fe0163a032a0d246a19fe1a7808b7ec476424cfbf7275db81f1411250f10d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1427d72a0ff852ab57810a339f87d05fcf1ff5d852ace4edb13d89215cc8331c",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-07-31T18:28:47Z",
    "title_canon_sha256": "30888b96837928385e8d1deb86d6780c8707e682cc2454e38aa8af337915776a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00037",
    "kind": "arxiv",
    "version": 1
  }
}