pith. sign in
Pith Number

pith:V4BYGR6A

pith:2016:V4BYGR6AGNCSBDES6KADX5GZRG
not attested not anchored not stored refs pending

Four-dimensional homogeneous semi-symmetric Lorentzian manifolds

Abderazak Benroumane, Aziz Ikemakhen, Mohamed Boucetta

arxiv:1603.02449 v2 · 2016-03-08 · math.DG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{V4BYGR6AGNCSBDES6KADX5GZRG}

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 2026-05-18T01:17:30.180598Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

af038347c03345208c92f2803bf4d989a555fde172a6b9f3fc01e88e1e6c7dd5

Aliases

arxiv: 1603.02449 · arxiv_version: 1603.02449v2 · doi: 10.48550/arxiv.1603.02449 · pith_short_12: V4BYGR6AGNCS · pith_short_16: V4BYGR6AGNCSBDES · pith_short_8: V4BYGR6A
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/V4BYGR6AGNCSBDES6KADX5GZRG \
  | 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: af038347c03345208c92f2803bf4d989a555fde172a6b9f3fc01e88e1e6c7dd5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "92840a5941ee55bf583f7a93a7620ef6733f61fe0aa6abe7dd774f91eba56a49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-03-08T09:52:17Z",
    "title_canon_sha256": "d9d7987ab10553aa82d9f7273b0cfb672efd015957f45e1511f1b62cd4e95880"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02449",
    "kind": "arxiv",
    "version": 2
  }
}