Pith Number

pith:HIGG7XPP

pith:2015:HIGG7XPPQUUEEERKYDRGZAGR7S

not attested not anchored not stored refs pending

Black Hole Solutions in $R^2$ Gravity

Alex Kehagias, Antonio Riotto, Costas Kounnas, Dieter Lust

arxiv:1502.04192 v2 · 2015-02-14 · hep-th · 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{HIGG7XPPQUUEEERKYDRGZAGR7S}

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

1 paper in Pith

New interpretation of the Minkowski limit of $R^2$ gravity

Receipt and verification

First computed	2026-05-18T02:26:45.046561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a0c6fddef852842122ac0e26c80d1fcac8745fc2991b06f6074ea00cfbbe455

Aliases

arxiv: 1502.04192 · arxiv_version: 1502.04192v2 · doi: 10.48550/arxiv.1502.04192 · pith_short_12: HIGG7XPPQUUE · pith_short_16: HIGG7XPPQUUEEERK · pith_short_8: HIGG7XPP

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/HIGG7XPPQUUEEERKYDRGZAGR7S \
  | 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: 3a0c6fddef852842122ac0e26c80d1fcac8745fc2991b06f6074ea00cfbbe455

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "596e6f1845c7b5be7c861ad08b385de24a418743fc746fd6254dedf9888820f8",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-02-14T11:33:51Z",
    "title_canon_sha256": "de4ae0929eba1667c9b7d744b10c82828b9249ddb94b267d4431d190fa658a95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04192",
    "kind": "arxiv",
    "version": 2
  }
}