Pith Number

pith:MQPTELY4

pith:2011:MQPTELY4LUEACCAHCGHIESO74K

not attested not anchored not stored refs pending

Beyond Einstein-Cartan gravity: Quadratic torsion and curvature invariants with even and odd parity including all boundary terms

Columbia, Friedrich W. Hehl (Cologne, Missouri), Peter Baekler (Duesseldorf)

arxiv:1105.3504 v3 · 2011-05-17 · 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{MQPTELY4LUEACCAHCGHIESO74K}

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

2 papers in Pith

Spinfoams, $\gamma$-duality and parity violation in primordial gravitational waves

The most general four-derivative Unitary String Effective Action with Torsion and Stringy-Running-Vacuum-Model Inflation: Old ideas from a modern perspective

Receipt and verification

First computed	2026-05-18T02:01:56.843822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

641f322f1c5d08010807118e8249dfe2a2681cc0c9017f73c951bc96cee4af3c

Aliases

arxiv: 1105.3504 · arxiv_version: 1105.3504v3 · doi: 10.48550/arxiv.1105.3504 · pith_short_12: MQPTELY4LUEA · pith_short_16: MQPTELY4LUEACCAH · pith_short_8: MQPTELY4

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/MQPTELY4LUEACCAHCGHIESO74K \
  | 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: 641f322f1c5d08010807118e8249dfe2a2681cc0c9017f73c951bc96cee4af3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1747cb9d55e8c8358336974b47d325991a3c605473bf4dba634ba97bfd72d72",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-05-17T23:51:30Z",
    "title_canon_sha256": "9e4d06f9b2824a821c4490d72134da225620fb9a4c2fe7465d3c9040f6a21eb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3504",
    "kind": "arxiv",
    "version": 3
  }
}