Pith Number

pith:PWVK5SLI

pith:2024:PWVK5SLIF65PWXZ6PNK62BMKRM

not attested not anchored not stored refs pending

Toric Fano manifolds that do not admit extremal K\"ahler metrics

Dongseon Hwang, Hiroshi Sato, Naoto Yotsutani

arxiv:2411.17574 v2 · 2024-11-26 · math.AG · 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{PWVK5SLIF65PWXZ6PNK62BMKRM}

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	2026-07-05T09:45:16.674064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7daaaec9682fbafb5f3e7b55ed058a8b286e61dc21f73e324f10ee6a918b5064

Aliases

arxiv: 2411.17574 · arxiv_version: 2411.17574v2 · doi: 10.48550/arxiv.2411.17574 · pith_short_12: PWVK5SLIF65P · pith_short_16: PWVK5SLIF65PWXZ6 · pith_short_8: PWVK5SLI

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/PWVK5SLIF65PWXZ6PNK62BMKRM \
  | 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: 7daaaec9682fbafb5f3e7b55ed058a8b286e61dc21f73e324f10ee6a918b5064

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58ea3afde4db6ff76de74dcfc31a4c90567d641435cbfa1a8bc5c96c8b8eee6a",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2024-11-26T16:36:41Z",
    "title_canon_sha256": "eedde15f28e86f3afd12414ce0fb370829bbce1f29ed56be23755e228979f498"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.17574",
    "kind": "arxiv",
    "version": 2
  }
}