Pith Number

pith:RAASQGSA

pith:2009:RAASQGSAYGENSROSFL2LYOOJ54

not attested not anchored not stored refs pending

The Calabi-Yau equation on the Kodaira-Thurston manifold

Ben Weinkove, Valentino Tosatti

arxiv:0906.0634 v1 · 2009-06-03 · math.DG · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RAASQGSAYGENSROSFL2LYOOJ54}

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	2026-05-18T04:23:54.593329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8801281a40c188d945d22af4bc39c9ef307a0aea03891cc3f13f04b5ebec2f1b

Aliases

arxiv: 0906.0634 · arxiv_version: 0906.0634v1 · doi: 10.48550/arxiv.0906.0634 · pith_short_12: RAASQGSAYGEN · pith_short_16: RAASQGSAYGENSROS · pith_short_8: RAASQGSA

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/RAASQGSAYGENSROSFL2LYOOJ54 \
  | 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: 8801281a40c188d945d22af4bc39c9ef307a0aea03891cc3f13f04b5ebec2f1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a173c387712f6927a4fa1803e287cf659801874a5f8ff66024c125134fad6c2e",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-06-03T02:50:00Z",
    "title_canon_sha256": "c638e1afc5025b2213211e9a938aa289c7f97c36a6d0dfb90ed5309e9224c1a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0634",
    "kind": "arxiv",
    "version": 1
  }
}