Pith Number

pith:7A4JA44O

pith:2005:7A4JA44ODYT5U4PZBMEGJRRUUA

not attested not anchored not stored refs pending

On Higher Order Gravities, Their Analogy to GR, and Dimensional Dependent Version of Duff's Trace Anomaly Relation

Mehrdad Farhoudi

arxiv:physics/0509210 v2 · 2005-09-25 · physics.class-ph · 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{7A4JA44ODYT5U4PZBMEGJRRUUA}

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

Black holes in Einstein-Gauss-Bonnet gravity with a background of modified Chaplygin gas

Receipt and verification

First computed	2026-07-04T15:48:42.389694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f83890738e1e27da71f90b0864c634a00b051290ec6fbbe87489c54d16db3586

Aliases

arxiv: physics/0509210 · arxiv_version: physics/0509210v2 · doi: 10.48550/arxiv.physics/0509210 · pith_short_12: 7A4JA44ODYT5 · pith_short_16: 7A4JA44ODYT5U4PZ · pith_short_8: 7A4JA44O

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/7A4JA44ODYT5U4PZBMEGJRRUUA \
  | 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: f83890738e1e27da71f90b0864c634a00b051290ec6fbbe87489c54d16db3586

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41a3d1d406368436c94ae0cca2f50233fc83ce33ce24225d747dd0b015863378",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2005-09-25T17:40:08Z",
    "title_canon_sha256": "272599ac12e93d4d759baf895a90b7cb0605749c915cdcca2af847a341986214"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0509210",
    "kind": "arxiv",
    "version": 2
  }
}