Choice
type: MusicGroup
genre: brazilian hip hop
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: 4
followers: 4172
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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 0x39ff0b2abcdba2b62779ee2c1fc48d9ae2d083e4c7709f91755422c7832c8043. Chain 2 (Bitcoin): anchored in block 954555 (2026-06-20T12:10:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aeb6c28f-bd11-43ed-948d-4991653e828d.json and https://artists.proofprofile.net/proofs/artist/aeb6c28f-bd11-43ed-948d-4991653e828d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T12:10:20Z
album: Not Giving up (feat. Feva da General)
  type: MusicAlbum
  date published: 2015-10-11
album: Peace of Mind
  type: MusicAlbum
  date published: 2015-10-11
album: Wild n Hurt (feat. Dave Abrego)
  type: MusicAlbum
  date published: 2017-04-05
album: Singapura
  type: MusicAlbum
  date published: 2018-09-17
track: Alpinista do Século Xxi

Alpinista do Século Xxi
type: MusicRecording
duration: PT2M47S
duration ms: 167787
explicit: false
by artist: DJ Caique
by artist: Choice
in album: Coligações Expressivas 4
  type: MusicAlbum
  date published: 2017-11-03
genre: brazilian-hip-hop
genre: boom-bap
isrc code: BRCQE1800010
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additional property: OTSTimestamp
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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 0x23b88da1b2dd2dc89d4f9ceeffbad6f74baa170c0d203910442b4602df5c136f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/BRCQE1800010.
  date published: 2026-07-02T03:30:09Z
audio: Alpinista do Século Xxi
  type: AudioObject
  additional property: Tempo (BPM)
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