Choice
type: MusicGroup
description: A choice is the range of different things from which a being can choose. The arrival at a choice may incorporate motivators and models. Freedom of choice is generally cherished, whereas a severely
popularity: 5
followers: 1117
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additional property: OTSVerifyInstructions
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73a87a4d998acaf286fb8983cb1cee4b86e972a134cf3188ad093a355873dbeb. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/35c2b118-c029-40a5-9406-ff763cb7461b.json and https://artists.proofprofile.net/proofs/artist/35c2b118-c029-40a5-9406-ff763cb7461b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
album: Jovens Campeões
  type: MusicAlbum
  date published: 2018-11-30
album: Tha Climb
  type: MusicAlbum
  date published: 2021-05-04
track: Eqm
track: Semi-Final: Choice X Salvador

Eqm
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duration: PT3M19S
duration ms: 199408
explicit: false
by artist: Diomedes Chinaski
by artist: Choice
in album: Crocodiloboy
  type: MusicAlbum
  date published: 2020-04-07
genre: brazilian-hip-hop
genre: rap-pernambucano
isrc code: BX8TS2000003
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a8f512b6af4787d231a396c7af25628af097171507b67794bfe37a5d3b2b40f. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX8TS2000003.
  date published: 2026-07-13T07:54:01Z
audio: Eqm
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Semi-Final: Choice X Salvador
type: MusicRecording
duration: PT10M0S
duration ms: 600433
explicit: false
by artist: Batalha dos Amigos
by artist: Ugo Ludovico
by artist: Choice
by artist: Salvador da Rima
in album: Batalha dos Amigos, 2ª Ed.
  type: MusicAlbum
  date published: 2020-01-29
isrc code: US7VG2065571
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7af50a584149a72907dfc1d36c1591fb306296f68f86a7d7a126faf268c920ea. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7VG2065571.
  date published: 2026-07-08T03:20:19Z
audio: Semi-Final: Choice X Salvador
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