Pith Number

pith:IMH4AJVP

pith:2017:IMH4AJVPLQ6P4H5JXFQKDUQ3EL

not attested not anchored not stored refs pending

The commutator algebra of covariant derivative as general framework for extended gravity. The Rastall theory case and the role of the torsion

C. Corda, H. Moradpour, I. Licata

arxiv:1706.06863 v3 · 2017-06-18 · 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{IMH4AJVPLQ6P4H5JXFQKDUQ3EL}

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	2026-05-18T00:35:16.105808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

430fc026af5c3cfe1fa9b960a1d21b22e4425066ee973aabb835c42ae9cc28b1

Aliases

arxiv: 1706.06863 · arxiv_version: 1706.06863v3 · doi: 10.48550/arxiv.1706.06863 · pith_short_12: IMH4AJVPLQ6P · pith_short_16: IMH4AJVPLQ6P4H5J · pith_short_8: IMH4AJVP

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/IMH4AJVPLQ6P4H5JXFQKDUQ3EL \
  | 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: 430fc026af5c3cfe1fa9b960a1d21b22e4425066ee973aabb835c42ae9cc28b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15f37fe742aadf319d865d5b01be0ed559d465e86eadfadda39da634c1430408",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-06-18T14:58:58Z",
    "title_canon_sha256": "dbc346ea1316ad038d7aaa9932b5b3e0f969c48f5a48f57c59fe6810490ad413"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06863",
    "kind": "arxiv",
    "version": 3
  }
}