Pith Number

pith:JARBV7K6

pith:2025:JARBV7K6C4V2BIV4Z7QPIKXM6S

not attested not anchored not stored refs pending

Ricci-flat metrics on Calabi-Yau manifolds

Valentino Tosatti

arxiv:2509.25607 v2 · 2025-09-30 · math.DG · 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{JARBV7K6C4V2BIV4Z7QPIKXM6S}

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.

Cited by

1 paper in Pith

Special Lagrangian submanifolds and circle collapse on K3

Receipt and verification

First computed	2026-07-21T00:19:51.020362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48221afd5e172ba0a2bccfe0f42aecf49f1a0de8e13e793733a95156e5fc6e34

Aliases

arxiv: 2509.25607 · arxiv_version: 2509.25607v2 · doi: 10.48550/arxiv.2509.25607 · pith_short_12: JARBV7K6C4V2 · pith_short_16: JARBV7K6C4V2BIV4 · pith_short_8: JARBV7K6

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/JARBV7K6C4V2BIV4Z7QPIKXM6S \
  | 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: 48221afd5e172ba0a2bccfe0f42aecf49f1a0de8e13e793733a95156e5fc6e34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "532d9955798a87b81dc60b2b42b942cbc11b37e01eb0befd05a6f13b7c9a717e",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2025-09-30T00:03:42Z",
    "title_canon_sha256": "d91d0d4ddb9386c63cb430098bb842589bfc64a096dfc5853e7bcc513a4fb850"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.25607",
    "kind": "arxiv",
    "version": 2
  }
}