pith. sign in
Pith Number

pith:OMWKEHMO

pith:2010:OMWKEHMOHV7QH2XV33NC5JLECK
not attested not anchored not stored refs pending

Totally quasi-umbilic timelike surfaces in $\mathbb{R}^{1,2}$

Jeanne N. Clelland

arxiv:1006.4380 v2 · 2010-06-22 · math.DG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OMWKEHMOHV7QH2XV33NC5JLECK}

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 2026-05-18T04:36:51.182102Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

732ca21d8e3d7f03eaf5deda2ea56412a72e43a37050cbf7e4cd8c405df81838

Aliases

arxiv: 1006.4380 · arxiv_version: 1006.4380v2 · doi: 10.48550/arxiv.1006.4380 · pith_short_12: OMWKEHMOHV7Q · pith_short_16: OMWKEHMOHV7QH2XV · pith_short_8: OMWKEHMO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OMWKEHMOHV7QH2XV33NC5JLECK \
  | 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: 732ca21d8e3d7f03eaf5deda2ea56412a72e43a37050cbf7e4cd8c405df81838
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "26bc344892f32e72de2dde97990b8443b947b80fd1121513e24027e60a6546a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-06-22T21:24:31Z",
    "title_canon_sha256": "eaf99a0ff3a54741ea9649245298faed781a8f6279d9ed9d9d65e4a8a858a5f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.4380",
    "kind": "arxiv",
    "version": 2
  }
}