Pith Number

pith:F5OSQL6Y

pith:2007:F5OSQL6YQ4FSCS45WBDUCBYEXF

not attested not anchored not stored refs pending

Gauss-Bonnet Gravity with Scalar Field in Four Dimensions

Metin Gurses

arxiv:0707.0347 v4 · 2007-07-03 · 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{F5OSQL6YQ4FSCS45WBDUCBYEXF}

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	2026-05-18T02:16:29.668914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f5d282fd8870b214b9db047410704b9655ee9864f556d3e970d37cda54b95e4

Aliases

arxiv: 0707.0347 · arxiv_version: 0707.0347v4 · doi: 10.48550/arxiv.0707.0347 · pith_short_12: F5OSQL6YQ4FS · pith_short_16: F5OSQL6YQ4FSCS45 · pith_short_8: F5OSQL6Y

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/F5OSQL6YQ4FSCS45WBDUCBYEXF \
  | 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: 2f5d282fd8870b214b9db047410704b9655ee9864f556d3e970d37cda54b95e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3a9d71f77c532530e5da5f4a3d2c32bbaf3e2cff5f7928ca2123b6535b63240",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-07-03T07:20:31Z",
    "title_canon_sha256": "56234b1d55cd8604efdb2233f2d441769c240c67768b451c5957d313d68fbcd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.0347",
    "kind": "arxiv",
    "version": 4
  }
}