pith. sign in
Pith Number

pith:CKEYGVAS

pith:2016:CKEYGVASEABFM3Y2YVJYUKUFA5
not attested not anchored not stored refs pending

Symmetries of Lorentzian Three-Manifolds with Recurrent Curvature

Amirhesam Zaeim, Giovanni Calvaruso

arxiv:1602.03693 v2 · 2016-02-11 · math.DG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CKEYGVASEABFM3Y2YVJYUKUFA5}

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 2026-05-18T01:11:54.718348Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

12898354122002566f1ac5538a2a85074e20571397460cf4d085f6e69a90a881

Aliases

arxiv: 1602.03693 · arxiv_version: 1602.03693v2 · doi: 10.48550/arxiv.1602.03693 · pith_short_12: CKEYGVASEABF · pith_short_16: CKEYGVASEABFM3Y2 · pith_short_8: CKEYGVAS
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CKEYGVASEABFM3Y2YVJYUKUFA5 \
  | 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: 12898354122002566f1ac5538a2a85074e20571397460cf4d085f6e69a90a881
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "deec5a292351f57c04c85367e60a4dfb31aa6630c79d6d423066ae7c53f61356",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-02-11T12:11:26Z",
    "title_canon_sha256": "19c20b5bf7eca32f636a5160ed10b3de1062023c2b8481d35042beaca20e4f2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.03693",
    "kind": "arxiv",
    "version": 2
  }
}