Pith Number

pith:XCYYDDF2

pith:2018:XCYYDDF2E7LG5EITBHLXAFYNL6

not attested not anchored not stored refs pending

Extending Horndeski theories into Lovelock gravity

Changjun Gao

arxiv:1804.03535 v3 · 2018-04-10 · gr-qc · astro-ph.CO · 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{XCYYDDF2E7LG5EITBHLXAFYNL6}

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.

Receipt and verification

First computed	2026-05-18T00:15:46.392009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8b1818cba27d66e911309d770170d5fb36fca34b0d95dd655e366020cd12aa9

Aliases

arxiv: 1804.03535 · arxiv_version: 1804.03535v3 · doi: 10.48550/arxiv.1804.03535 · pith_short_12: XCYYDDF2E7LG · pith_short_16: XCYYDDF2E7LG5EIT · pith_short_8: XCYYDDF2

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/XCYYDDF2E7LG5EITBHLXAFYNL6 \
  | 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: b8b1818cba27d66e911309d770170d5fb36fca34b0d95dd655e366020cd12aa9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efdf5b6ce3c08576af83e2d3dfb145f60fcf0e4ee622d52d95aae34ea322397e",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-04-10T13:50:05Z",
    "title_canon_sha256": "9dd025eeef4d09f727cd6882bf3ebbb78cce908cceed637113a59744879490eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03535",
    "kind": "arxiv",
    "version": 3
  }
}