Re-adding unintegrated glossary/object pages.

glossary/outpoint.md

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+An outpoint is a (transaction [hash identifier](/glossary/hash__identifier), index pair) that uniquely identifies a particular [UTXO](/glossary/UTXO).

glossary/output__script.md

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+<div class="cwikmeta">
+{
+"title":"Output Script",
+"related":["/glossary/redeem__script","/glossary/input__script"]
+}
+</div>
+
+The output script constrains the subsequent spend of Bitcoins.

glossary/spv.md

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+SPV is an acronym for "Simplified Payment Validation".

glossary/utxo__set.md

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+<!-- TITLE: UTXO Set -->
+<!-- SUBTITLE: Unspent Transaction Output Set -->
+
+The UTXO set contains information that describes the current spending constraints on every coin in the blockchain at a particular moment (generally "now").  This information is used to determine the validity of new transactions, and to report information such as wallet balances.
+
+This data is extracted from the blockchain, which contains the full history (all transfers, spent or unspent) of all coins since their creation.