Pith Number

pith:K36NFATZ

pith:2020:K36NFATZFCP5G4VWPU6LWYSRWG

not attested not anchored not stored refs pending

Non-full equivalence of the four-dimensional Einstein-Gauss-Bonnet gravity and Horndeksi gravity for Bianchi type I metric

S. X. Tian, Zong-Hong Zhu

arxiv:2004.09954 v2 · 2020-04-21 · 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{K36NFATZFCP5G4VWPU6LWYSRWG}

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

Massive scalar field perturbations of 4D de Sitter Einstein-Gauss-Bonnet black holes

Receipt and verification

First computed	2026-07-05T01:26:51.622291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56fcd28279289fd372b67d3cbb6251b1851d3f480a2804ee7e6be8c74343601a

Aliases

arxiv: 2004.09954 · arxiv_version: 2004.09954v2 · doi: 10.48550/arxiv.2004.09954 · pith_short_12: K36NFATZFCP5 · pith_short_16: K36NFATZFCP5G4VW · pith_short_8: K36NFATZ

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/K36NFATZFCP5G4VWPU6LWYSRWG \
  | 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: 56fcd28279289fd372b67d3cbb6251b1851d3f480a2804ee7e6be8c74343601a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c745b4610c6e0c1de20a72a38cdcf6f8df72def08b5a6134e6e0ffb1c91e8d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-04-21T12:38:46Z",
    "title_canon_sha256": "5353e5cfca6b75721e71e8aff7a780b80479af7a0f0362d4c07bd011efcfbff1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.09954",
    "kind": "arxiv",
    "version": 2
  }
}