Sigma Tropical
type: MusicGroup
genre: guaracha
popularity: 17
followers: 135
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfb15104fb802555f5d15c23cfc7e1a4eb75ac014ef9c7b05599e6b75f2f04720
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953759
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953759
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b86171e8-41e0-4469-a001-496bf1e8d22d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b86171e8-41e0-4469-a001-496bf1e8d22d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b86171e8-41e0-4469-a001-496bf1e8d22d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T08:04:42Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfb15104fb802555f5d15c23cfc7e1a4eb75ac014ef9c7b05599e6b75f2f04720","name":"Sigma Tropical","registered_at":"2026-06-14T23:50:19Z","symbol":"NIM0615666","token_address":"0xf600cd70e2b785db27e95627db862c36d1831f53","type":"artist","uuid":"b86171e8-41e0-4469-a001-496bf1e8d22d"}
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 0xfb15104fb802555f5d15c23cfc7e1a4eb75ac014ef9c7b05599e6b75f2f04720. Chain 2 (Bitcoin): anchored in block 953759 (2026-06-15T08:04:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b86171e8-41e0-4469-a001-496bf1e8d22d.json and https://artists.proofprofile.net/proofs/artist/b86171e8-41e0-4469-a001-496bf1e8d22d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T08:04:42Z
  text: {"copyright_id":"0xfb15104fb802555f5d15c23cfc7e1a4eb75ac014ef9c7b05599e6b75f2f04720","name":"Sigma Tropical","registered_at":"2026-06-14T23:50:19Z","symbol":"NIM0615666","token_address":"0xf600cd70e2b785db27e95627db862c36d1831f53","type":"artist","uuid":"b86171e8-41e0-4469-a001-496bf1e8d22d"}
album: Presentando en Vivo "El Poder Guarachero"
  type: MusicAlbum
  date published: 2004-01-01
album: El Poder Guarachero
  type: MusicAlbum
  date published: 2005-06-08
album: El Arte de la Guaracha
  type: MusicAlbum
  date published: 2006-05-20
album: Presentando en Vivo "El Arte de la Guaracha" en la Salamanca (En Vivo)
  type: MusicAlbum
  date published: 2006-12-06
album: Presentando en Vivo "El Arte de la Guaracha" en Acos Bailable (En Vivo)
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  date published: 2006-12-23
album: La Fuerza de la Guaracha
  type: MusicAlbum
  date published: 2007
album: Inconfundibles
  type: MusicAlbum
  date published: 2009
album: Imponentes
  type: MusicAlbum
  date published: 2015-04-13
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  type: MusicAlbum
  date published: 2021-07-15
album: Originales
  type: MusicAlbum
  date published: 2021-11-20
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  type: MusicAlbum
  date published: 2023-01-11
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  type: MusicAlbum
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  type: MusicAlbum
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