Pith Number

pith:VH4QW6V2

pith:2005:VH4QW6V274M3FFG7556XUMZLQM

not attested not anchored not stored refs pending

Reduction of Courant algebroids and generalized complex structures

Gil R. Cavalcanti, Henrique Bursztyn, Marco Gualtieri

arxiv:math/0509640 v3 · 2005-09-27 · math.DG · math.SG

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VH4QW6V274M3FFG7556XUMZLQM}

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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

2 papers in Pith

Gauged Courant sigma models

Generalised Complex and Spinor Relations

Receipt and verification

First computed	2026-07-04T15:01:59.601901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9f90b7abaff19b294dfef7d7a332b831aee2a950d8ac6a071839bc0edc73d39

Aliases

arxiv: math/0509640 · arxiv_version: math/0509640v3 · doi: 10.48550/arxiv.math/0509640 · pith_short_12: VH4QW6V274M3 · pith_short_16: VH4QW6V274M3FFG7 · pith_short_8: VH4QW6V2

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/VH4QW6V274M3FFG7556XUMZLQM \
  | 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: a9f90b7abaff19b294dfef7d7a332b831aee2a950d8ac6a071839bc0edc73d39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca5a579ad076f59516fe717bf62d77c86bf8d04c6983573625ab0572ef115f66",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2005-09-27T17:29:04Z",
    "title_canon_sha256": "a2f403b6d6264a1146a07bd56153ea5560b80ed7bc297d397aae81a2aeb3ef07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0509640",
    "kind": "arxiv",
    "version": 3
  }
}