Pith Number

pith:5CKVMTCN

pith:2005:5CKVMTCNZMDLGOKLRBU343XTYM

not attested not anchored not stored refs pending

A uniqueness theorem for the singly periodic genus-one helicoid

A. Alarcon, F. Martin, L. Ferrer

arxiv:math/0505412 v2 · 2005-05-19 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5CKVMTCNZMDLGOKLRBU343XTYM}

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	2026-07-04T14:50:13.823169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e895564c4dcb06b3394b8869be6ef3c303cb6bdfa7bed72b29d9b0511abfced1

Aliases

arxiv: math/0505412 · arxiv_version: math/0505412v2 · doi: 10.48550/arxiv.math/0505412 · pith_short_12: 5CKVMTCNZMDL · pith_short_16: 5CKVMTCNZMDLGOKL · pith_short_8: 5CKVMTCN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/5CKVMTCNZMDLGOKLRBU343XTYM \
  | 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: e895564c4dcb06b3394b8869be6ef3c303cb6bdfa7bed72b29d9b0511abfced1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10fe3fba884eae5b1cde576777c2c465c4952855e32854185362be5799a87919",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2005-05-19T10:35:08Z",
    "title_canon_sha256": "1ff00bd418f4e1ab55ad5a2dd2c7f7e95608a4120c08095d0fb699924bdd15ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0505412",
    "kind": "arxiv",
    "version": 2
  }
}