Pith Number

pith:T7KHEKJH

pith:2023:T7KHEKJHQ2EBSXTQCDKAZ3ZD3C

not attested not anchored not stored refs pending

Complex structures on the product of two Sasakian manifolds

Vlad Marchidanu

arxiv:2307.04609 v1 · 2023-07-10 · math.DG · math.AG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T7KHEKJHQ2EBSXTQCDKAZ3ZD3C}

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	2026-07-05T11:14:45.730710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fd47229278688195e7010d40cef23d8932f95316e7b75d6a20e773e633490c2

Aliases

arxiv: 2307.04609 · arxiv_version: 2307.04609v1 · doi: 10.48550/arxiv.2307.04609 · pith_short_12: T7KHEKJHQ2EB · pith_short_16: T7KHEKJHQ2EBSXTQ · pith_short_8: T7KHEKJH

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/T7KHEKJHQ2EBSXTQCDKAZ3ZD3C \
  | 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: 9fd47229278688195e7010d40cef23d8932f95316e7b75d6a20e773e633490c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10df0f8bb159fa9010808b78b95da7eccd0a41c5c7b2c61eda3310590716cb92",
    "cross_cats_sorted": [
      "math.AG",
      "math.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2023-07-10T14:52:17Z",
    "title_canon_sha256": "97e2cf445ec8dd654646186b4a00e6edd474569e47a9bf0bf40fc3a17e6e8336"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.04609",
    "kind": "arxiv",
    "version": 1
  }
}