Pith Number

pith:QGPWY5PA

pith:2018:QGPWY5PATREL7CPPLHW7W2QCQL

not attested not anchored not stored refs pending

Minimally modified theories of gravity: a playground for testing the uniqueness of general relativity

Francesco Di Filippo, Ra\'ul Carballo-Rubio, Stefano Liberati

arxiv:1802.02537 v4 · 2018-02-07 · 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{QGPWY5PATREL7CPPLHW7W2QCQL}

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

Spatially covariant gravity with two degrees of freedom: A perturbative analysis up to cubic order

Receipt and verification

First computed	2026-05-18T00:02:12.974661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

819f6c75e09c48bf89ef59edfb6a0282e74764122f65c8a838ed63853a89f579

Aliases

arxiv: 1802.02537 · arxiv_version: 1802.02537v4 · doi: 10.48550/arxiv.1802.02537 · pith_short_12: QGPWY5PATREL · pith_short_16: QGPWY5PATREL7CPP · pith_short_8: QGPWY5PA

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/QGPWY5PATREL7CPPLHW7W2QCQL \
  | 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: 819f6c75e09c48bf89ef59edfb6a0282e74764122f65c8a838ed63853a89f579

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ce547ac1c53916864588424f6b591e58daa1f31d27d184b90d36d6f7b5f7b73",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-02-07T17:24:05Z",
    "title_canon_sha256": "f2103f20577b57fb7a48cd53278f4bb3fdb28ef64e4f2377b0219a8c3ade7915"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02537",
    "kind": "arxiv",
    "version": 4
  }
}