pith. sign in
Pith Number

pith:YLWEDILL

pith:2011:YLWEDILL3GUWKECUZSINGUECAR
not attested not anchored not stored refs pending

On Alfred Gray's Elliptical Catenoid

Hugo Jim\'enez-P\'erez, Santiago L\'opez de Medrano

arxiv:1106.2354 v1 · 2011-06-12 · math.DG · cs.CG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YLWEDILL3GUWKECUZSINGUECAR}

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 2026-05-18T04:20:05.936370Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c2ec41a16bd9a9651054cc90d350820473cce18e0ca4bcc1a71cbe19cb6399a0

Aliases

arxiv: 1106.2354 · arxiv_version: 1106.2354v1 · doi: 10.48550/arxiv.1106.2354 · pith_short_12: YLWEDILL3GUW · pith_short_16: YLWEDILL3GUWKECU · pith_short_8: YLWEDILL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YLWEDILL3GUWKECUZSINGUECAR \
  | 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: c2ec41a16bd9a9651054cc90d350820473cce18e0ca4bcc1a71cbe19cb6399a0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a600efdd4f8f2420a865e1965f13bf55457a9aef7e8036246ee039da62a2f8c8",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-06-12T22:43:48Z",
    "title_canon_sha256": "fcadd603b2d750d2902f6661999039f32fa7414e28c73f449c354aaaf59dcdb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2354",
    "kind": "arxiv",
    "version": 1
  }
}