Pith Number

pith:PUOS6EBK

pith:2015:PUOS6EBKDDQNRB5CIOJNIUW6DZ

not attested not anchored not stored refs pending

Analytic extension of exceptional constant mean curvature one catenoids in de Sitter 3-space

Kotaro Yamada, Masaaki Umehara, Masatoshi Kokubu, Shoichi Fujimori, Wayne Rossman, Yu Kawakami

arxiv:1507.06695 v2 · 2015-07-23 · 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{PUOS6EBKDDQNRB5CIOJNIUW6DZ}

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	2026-05-18T00:11:11.975845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d1d2f102a18e0d887a24392d452de1e7b3bbdc0da96dbf827b27070f757240e

Aliases

arxiv: 1507.06695 · arxiv_version: 1507.06695v2 · doi: 10.48550/arxiv.1507.06695 · pith_short_12: PUOS6EBKDDQN · pith_short_16: PUOS6EBKDDQNRB5C · pith_short_8: PUOS6EBK

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/PUOS6EBKDDQNRB5CIOJNIUW6DZ \
  | 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: 7d1d2f102a18e0d887a24392d452de1e7b3bbdc0da96dbf827b27070f757240e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cac5e9336511dcbf966e0e7207104f2fa007d6b56ad6ab494f930d32b35f5ac8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-07-23T22:25:48Z",
    "title_canon_sha256": "7b22f8a755c3c4fbf74673253ecc9fbac8edd6d472c14ed9ee5c56e4c96a2eda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06695",
    "kind": "arxiv",
    "version": 2
  }
}