The Mighty Echoes
type: MusicGroup
genre: doo-wop
description: The Mighty Echoes are an American a cappella doo-wop quartet from Los Angeles, California. The group was formed backstage at the Olio Theater in Silverlake, California during the production of Harvey
popularity: 3
followers: 301
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf66ca99d3b39b2f85934ff3aac9f631a16ad1fb260195d873eb24cd1630ff4eb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954587
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954587
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bc33d8f5-6c2a-4186-ac0f-aca5a6104b4b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bc33d8f5-6c2a-4186-ac0f-aca5a6104b4b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bc33d8f5-6c2a-4186-ac0f-aca5a6104b4b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T19:10:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf66ca99d3b39b2f85934ff3aac9f631a16ad1fb260195d873eb24cd1630ff4eb","name":"The Mighty Echoes","registered_at":"2026-06-20T17:26:55Z","symbol":"NIM1665637","token_address":"0xc80b4802145b7852882bdacd17db4deeabeef67e","type":"artist","uuid":"bc33d8f5-6c2a-4186-ac0f-aca5a6104b4b"}
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 0xf66ca99d3b39b2f85934ff3aac9f631a16ad1fb260195d873eb24cd1630ff4eb. Chain 2 (Bitcoin): anchored in block 954588 (2026-06-20T19:15:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bc33d8f5-6c2a-4186-ac0f-aca5a6104b4b.json and https://artists.proofprofile.net/proofs/artist/bc33d8f5-6c2a-4186-ac0f-aca5a6104b4b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T19:15:05Z
  text: {"copyright_id":"0xf66ca99d3b39b2f85934ff3aac9f631a16ad1fb260195d873eb24cd1630ff4eb","name":"The Mighty Echoes","registered_at":"2026-06-20T17:26:55Z","symbol":"NIM1665637","token_address":"0xc80b4802145b7852882bdacd17db4deeabeef67e","type":"artist","uuid":"bc33d8f5-6c2a-4186-ac0f-aca5a6104b4b"}
album: Joy
  type: MusicAlbum
  date published: 1998-11-10
album: Doo Wop Til You Drop
  type: MusicAlbum
  date published: 2003
album: Doo Wop Til You Drop
  type: MusicAlbum
  date published: 2003-09-03
album: Doo Wop Around the Christmas Tree
  type: MusicAlbum
  date published: 2006-08-08
album: A Cappella Doo Wop
  type: MusicAlbum
  date published: 2013-09-19
album: A Cappella Cool
  type: MusicAlbum
  date published: 2013-09-27
album: Love From Echo Park
  type: MusicAlbum
  date published: 2024-04-01