Pith Number

pith:33EFOJDG

pith:2026:33EFOJDGRAETSOLKYBDTMRIKV2

not attested not anchored not stored refs pending

Minimal Lagrangian surfaces in the two-dimensional complex hyperbolic quadric via the loop group method

Shimpei Kobayashi, Sihao Zeng

arxiv:2605.17876 v1 · 2026-05-18 · 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{33EFOJDGRAETSOLKYBDTMRIKV2}

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	2026-05-20T00:05:03.020451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dec8572466880939396ac04736450aae91021cd2469de4d92f50005b02faf8ac

Aliases

arxiv: 2605.17876 · arxiv_version: 2605.17876v1 · doi: 10.48550/arxiv.2605.17876 · pith_short_12: 33EFOJDGRAET · pith_short_16: 33EFOJDGRAETSOLK · pith_short_8: 33EFOJDG

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/33EFOJDGRAETSOLKYBDTMRIKV2 \
  | 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: dec8572466880939396ac04736450aae91021cd2469de4d92f50005b02faf8ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a9a7e56f3cf4a0a533150b7fde421faf3ac2d3769ff2c7e9626816a80e0bc5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2026-05-18T05:37:29Z",
    "title_canon_sha256": "37dffe873f8cee729a7ba1b83a1e2819d3723630ff5a473df51eb94344a6beed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17876",
    "kind": "arxiv",
    "version": 1
  }
}