pith. sign in
Pith Number

pith:JV7LFA7X

pith:2019:JV7LFA7XNXDQCLXOPS26CXNAMA
not attested not anchored not stored refs pending

Affine Killing vector fields on homogeneous surfaces with torsion

Daniela D'Ascanio, Pablo Pisani, Peter Gilkey

arxiv:1906.01694 v1 · 2019-06-04 · math.DG · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JV7LFA7XNXDQCLXOPS26CXNAMA}

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 2026-05-17T23:40:31.523364Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4d7eb283f76dc7012eee7cb5e15da06028a2c76f0297212d7d3926d970fa6c92

Aliases

arxiv: 1906.01694 · arxiv_version: 1906.01694v1 · doi: 10.48550/arxiv.1906.01694 · pith_short_12: JV7LFA7XNXDQ · pith_short_16: JV7LFA7XNXDQCLXO · pith_short_8: JV7LFA7X
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JV7LFA7XNXDQCLXOPS26CXNAMA \
  | 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: 4d7eb283f76dc7012eee7cb5e15da06028a2c76f0297212d7d3926d970fa6c92
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f35c5830d28bd26507253f0c0b46da5d10e2091daf3c445ee750ea84bd63c9a8",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-06-04T19:33:28Z",
    "title_canon_sha256": "c68bfed234a7ae283882dd6a28fb4c7d7043b600c61865bec83d1f2713f2581b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01694",
    "kind": "arxiv",
    "version": 1
  }
}