Pith Number

pith:PTPYABIB

pith:2019:PTPYABIBIYB3BVRCY6JOM343T4

not attested not anchored not stored refs pending

A construction of special Lagrangian submanifolds by generalized perpendicular symmetries

Akifumi Ochiai

arxiv:1907.07400 v1 · 2019-07-17 · 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{PTPYABIBIYB3BVRCY6JOM343T4}

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	2026-05-17T23:40:22.355834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cdf8005014603b0d622c792e66f9b9f0776d221dc93a2f9cbd8349f946feaf0

Aliases

arxiv: 1907.07400 · arxiv_version: 1907.07400v1 · doi: 10.48550/arxiv.1907.07400 · pith_short_12: PTPYABIBIYB3 · pith_short_16: PTPYABIBIYB3BVRC · pith_short_8: PTPYABIB

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/PTPYABIBIYB3BVRCY6JOM343T4 \
  | 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: 7cdf8005014603b0d622c792e66f9b9f0776d221dc93a2f9cbd8349f946feaf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7bb5045d4cd94dec34945684c1bedf4be4f8aa16ecb0df048350df4921d16b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-07-17T09:08:37Z",
    "title_canon_sha256": "5d97a48f5608429187fa247073257b7892652210f3fa161fc60b070275187d2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07400",
    "kind": "arxiv",
    "version": 1
  }
}