Mexico City
type: MusicGroup
description: Mexico City is the capital and largest city of Mexico, as well as the most populous city in North America. It is one of the most important cultural and financial centers in the world, and is classifi
popularity: 4
followers: 351
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfecbf58ad9bf2bf775d925f95c792f240d3cc099fe04b575e3a8c98531f468f8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954728
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f7f7249f-3d88-4c3d-9946-c1d4606e8acd.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f7f7249f-3d88-4c3d-9946-c1d4606e8acd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f7f7249f-3d88-4c3d-9946-c1d4606e8acd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T18:08:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfecbf58ad9bf2bf775d925f95c792f240d3cc099fe04b575e3a8c98531f468f8","name":"Mexico City","registered_at":"2026-06-21T15:51:19Z","symbol":"NIM1964764","token_address":"0x1d70385467efc3ced1d580991910072ebeb61d99","type":"artist","uuid":"f7f7249f-3d88-4c3d-9946-c1d4606e8acd"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfecbf58ad9bf2bf775d925f95c792f240d3cc099fe04b575e3a8c98531f468f8. Chain 2 (Bitcoin): anchored in block 954728 (2026-06-21T18:08:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f7f7249f-3d88-4c3d-9946-c1d4606e8acd.json and https://artists.proofprofile.net/proofs/artist/f7f7249f-3d88-4c3d-9946-c1d4606e8acd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T18:08:38Z
  text: {"copyright_id":"0xfecbf58ad9bf2bf775d925f95c792f240d3cc099fe04b575e3a8c98531f468f8","name":"Mexico City","registered_at":"2026-06-21T15:51:19Z","symbol":"NIM1964764","token_address":"0x1d70385467efc3ced1d580991910072ebeb61d99","type":"artist","uuid":"f7f7249f-3d88-4c3d-9946-c1d4606e8acd"}
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  type: MusicAlbum
  date published: 2006-01-01
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  type: MusicAlbum
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  type: MusicAlbum
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