Pith Number

pith:RHQKPCX7

pith:2026:RHQKPCX7IBHWINNTVQE72RJVH7

not attested not anchored not stored refs pending

Quantum (quadratic) gravity: replacing the massive tensor ghost with an inverted harmonic oscillator-like instability

Jo\~ao Marto, K. Sravan Kumar

arxiv:2603.07150 v3 · 2026-03-07 · hep-th · astro-ph.CO · 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{RHQKPCX7IBHWINNTVQE72RJVH7}

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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

Unitary Quadratic Quantum Gravity in 4D

Receipt and verification

First computed	2026-06-19T16:12:52.210389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89e0a78aff404f6435b3ac09fd45353fc017222e315b7ae67975c57996ae1449

Aliases

arxiv: 2603.07150 · arxiv_version: 2603.07150v3 · doi: 10.48550/arxiv.2603.07150 · pith_short_12: RHQKPCX7IBHW · pith_short_16: RHQKPCX7IBHWINNT · pith_short_8: RHQKPCX7

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/RHQKPCX7IBHWINNTVQE72RJVH7 \
  | 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: 89e0a78aff404f6435b3ac09fd45353fc017222e315b7ae67975c57996ae1449

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60d69831e7418f63567693c7857a2164d2821dfbabad8ee65d5b831f10dc8229",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2026-03-07T11:21:44Z",
    "title_canon_sha256": "0dc975eb937cdadab389c0e6ee00e4ea6f92d5a51159c92e804761fd37d905c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.07150",
    "kind": "arxiv",
    "version": 3
  }
}