Siempre Contigo
type: MusicRecording
duration: PT4M16S
duration ms: 256545
explicit: false
by artist: Paulina Goto
in album: Siempre Contigo
  type: MusicAlbum
  date published: 2020-11-04
genre: latin-viral-pop
genre: mexican-pop
isrc code: QZNJW2015212
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additional property: OTSVerificationAPI
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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 → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a8d79b9687d8ff928b49fa46fa3b85007a5e73f85ed55535f33ef45163c0507. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), 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/QZNJW2015212.
  date published: 2026-07-07T13:52:39Z
audio: Siempre Contigo
  type: AudioObject
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  additional property: Key Name
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  additional property: Mode Name
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