Pith Number

pith:NFAZFDE5

pith:2021:NFAZFDE5KZH6GIC4B7GGT6CVRM

not attested not anchored not stored refs pending

On Quadratic Gravity

Gabriel Menezes, John F. Donoghue

arxiv:2112.01974 v1 · 2021-12-03 · hep-th · gr-qc · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NFAZFDE5KZH6GIC4B7GGT6CVRM}

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

4 papers in Pith

Ghosts versus Unstable Particles in Quantum Field Theory

Asymptotic Quantum Dynamics of Ghost Fields

Scattering amplitudes in dimensionless quadratic gravity coupled to QED

Metric affine gravity with dynamical chronology protection

Receipt and verification

First computed	2026-07-05T03:37:34.584375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6941928c9d564fe3205c0fcc69f8558b21efe20798ac849fe5f7b9599a3c005a

Aliases

arxiv: 2112.01974 · arxiv_version: 2112.01974v1 · doi: 10.48550/arxiv.2112.01974 · pith_short_12: NFAZFDE5KZH6 · pith_short_16: NFAZFDE5KZH6GIC4 · pith_short_8: NFAZFDE5

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/NFAZFDE5KZH6GIC4B7GGT6CVRM \
  | 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: 6941928c9d564fe3205c0fcc69f8558b21efe20798ac849fe5f7b9599a3c005a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "117276285bbf9128e7f798c6e547777968aa0b769604724fda31ad75fa0ed069",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-12-03T15:44:04Z",
    "title_canon_sha256": "58f18f7db27cbbf71471e0d8157a7f4ac5f1892606736ed7bcd6ca8bd910b4e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.01974",
    "kind": "arxiv",
    "version": 1
  }
}