Pith Number

pith:XU4RSGGI

pith:2011:XU4RSGGI52KAWUD5MRRK6WHUWA

not attested not anchored not stored refs pending

Blowing up generalized Kahler 4-manifolds

Gil R. Cavalcanti, Marco Gualtieri

arxiv:1106.1481 v1 · 2011-06-08 · math.DG · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XU4RSGGI52KAWUD5MRRK6WHUWA}

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	2026-05-18T03:48:48.169146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd391918c8ee940b507d6462af58f4b0072e18db620546564f32f371c7e5dc54

Aliases

arxiv: 1106.1481 · arxiv_version: 1106.1481v1 · doi: 10.48550/arxiv.1106.1481 · pith_short_12: XU4RSGGI52KA · pith_short_16: XU4RSGGI52KAWUD5 · pith_short_8: XU4RSGGI

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/XU4RSGGI52KAWUD5MRRK6WHUWA \
  | 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: bd391918c8ee940b507d6462af58f4b0072e18db620546564f32f371c7e5dc54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19a556c674199e26ce4eda834347a78afe7bbd4c3804d24fa138ef50148988b0",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-06-08T01:48:53Z",
    "title_canon_sha256": "1852184319113f38447097a034d2044d597a9d10280b8c23f2f8a2001a35dc79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1481",
    "kind": "arxiv",
    "version": 1
  }
}