pith. sign in
Pith Number

pith:KFIZRU5K

pith:2011:KFIZRU5KPJ354U4WBTPYDBVRRT
not attested not anchored not stored refs pending

A square-torsion modification of Einstein-Cartan theory

Cosimo Stornaiolo, Luca Fabbri, Stefano Vignolo

arxiv:1201.0286 v3 · 2011-12-31 · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KFIZRU5KPJ354U4WBTPYDBVRRT}

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 2026-05-18T03:39:14.658749Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

515198d3aa7a77de53960cdf8186b18cc74e63d7e0ed9389fde1058ab55aed90

Aliases

arxiv: 1201.0286 · arxiv_version: 1201.0286v3 · doi: 10.48550/arxiv.1201.0286 · pith_short_12: KFIZRU5KPJ35 · pith_short_16: KFIZRU5KPJ354U4W · pith_short_8: KFIZRU5K
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KFIZRU5KPJ354U4WBTPYDBVRRT \
  | 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: 515198d3aa7a77de53960cdf8186b18cc74e63d7e0ed9389fde1058ab55aed90
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3e9ef78e09ffb69ed7af75c44f55b0c96c83e58e6614a8873ef0419632053360",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-12-31T16:59:47Z",
    "title_canon_sha256": "0694b4f2cf23ed1e9cadc5b04585f33853a3be2ecb9c4cd1bc5dfc79745bc19e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0286",
    "kind": "arxiv",
    "version": 3
  }
}