pith. sign in
Pith Number

pith:JNXHCIHS

pith:2011:JNXHCIHSQH32BAPEL54LO2A4WT
not attested not anchored not stored refs pending

Dirac spinors in Bianchi-I f(R)-cosmology with torsion

Luca Fabbri, Roberto Cianci, Stefano Vignolo

arxiv:1106.0414 v3 · 2011-06-02 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JNXHCIHSQH32BAPEL54LO2A4WT}

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 2026-05-18T04:08:33.500102Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4b6e7120f281f7a081e45f78b7681cb4c01a2eb7a598e3d726f780892c897d54

Aliases

arxiv: 1106.0414 · arxiv_version: 1106.0414v3 · doi: 10.48550/arxiv.1106.0414 · pith_short_12: JNXHCIHSQH32 · pith_short_16: JNXHCIHSQH32BAPE · pith_short_8: JNXHCIHS
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JNXHCIHSQH32BAPEL54LO2A4WT \
  | 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: 4b6e7120f281f7a081e45f78b7681cb4c01a2eb7a598e3d726f780892c897d54
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3726e0873098927e0b5bc39dcc663b236b76814f97cac957caae960b80f7d123",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-06-02T12:31:05Z",
    "title_canon_sha256": "6f76668b4b7b3d1e28522e02b67b0ced75a67c51186dca18c1550cce18f67971"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.0414",
    "kind": "arxiv",
    "version": 3
  }
}