# Terms #### Inscription ID An outpoint representing a particular inscription, comprised of a transaction ID and output index with the following formatting: `` `txid_vout` `` #### Inscription Number This is an auto-incrementing id given to each inscription as they appear in mined blocks, starting with inscription #0. Because inscription numbers are dependent on the order of transactions in a block, inscription numbers are not assigned until a transaction is confirmed. This also makes inscription number sensitive to reorgs. #### Origin This is like a "low resolution" ordinal number. It represents the last time a particular ordinal became a 1 satoshi output. Since utxos can be split and joined over time, an ordinal can have more than one origin. This is a 1Sat protocol specific concept, not present in the original ordinals protocol. #### Ordinal Number An ordinal is an identifier given to a specific satoshi. It is given when the sat comes into existence during a coinbase transaction. To learn more about this concept read the original "ordinal theory" documentation. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.1satordinals.com/readme/terms.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.