The 3 Sounds
type: MusicGroup
genre: hard bop
description: The 3 Sounds (also known as The Three Sounds) was an American jazz piano trio that formed in 1956 and disbanded in 1973. The band formed in Benton Harbor, Michigan, United States, as the Four Sounds.
popularity: 3
followers: 21
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf257009b12efa839653000b3239a972e1608a2491a3cf1f2f47baa8cd977d8b3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/67af2489-2b62-42c0-844f-3be402a2ab63.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/67af2489-2b62-42c0-844f-3be402a2ab63.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/67af2489-2b62-42c0-844f-3be402a2ab63
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf257009b12efa839653000b3239a972e1608a2491a3cf1f2f47baa8cd977d8b3","name":"The 3 Sounds","registered_at":"2026-06-17T02:07:15Z","symbol":"NIM1247424","token_address":"0x1655e9281a0d67ec7562dfbaa1964c851b5ea647","type":"artist","uuid":"67af2489-2b62-42c0-844f-3be402a2ab63"}
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 0xf257009b12efa839653000b3239a972e1608a2491a3cf1f2f47baa8cd977d8b3. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/67af2489-2b62-42c0-844f-3be402a2ab63.json and https://artists.proofprofile.net/proofs/artist/67af2489-2b62-42c0-844f-3be402a2ab63.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xf257009b12efa839653000b3239a972e1608a2491a3cf1f2f47baa8cd977d8b3","name":"The 3 Sounds","registered_at":"2026-06-17T02:07:15Z","symbol":"NIM1247424","token_address":"0x1655e9281a0d67ec7562dfbaa1964c851b5ea647","type":"artist","uuid":"67af2489-2b62-42c0-844f-3be402a2ab63"}
album: Four Classic Albums (The 3 Sounds / Feelin' Good / Moods / Ld+3)
  type: MusicAlbum
  date published: 2024-04-05