EL LEGADO
type: MusicGroup
description: El Legado (en: "The Legacy") is the debut album by power metal band DarkSun, released in 2004. In the middle of 2003, DarkSun went to Germany to record what would become their debut album. It was reco
popularity: 3
followers: 284
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additional property: CopyrightChainExplorerURL
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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 0xe96a578d0ba81d9eb1e65a63e97be03b4208b35fc1665d5dd8bfdfd8f48cb644. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ddedbf16-513b-4740-b865-85a66f148741.json and https://artists.proofprofile.net/proofs/artist/ddedbf16-513b-4740-b865-85a66f148741.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
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album: THE LUKAS
  type: MusicAlbum
  date published: 2021-05-21
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  type: MusicAlbum
  date published: 2021-05-25
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  type: MusicAlbum
  date published: 2021-09-30
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  type: MusicAlbum
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album: CARDI B
  type: MusicAlbum
  date published: 2025-01-16
track: La Merca

La Merca
type: MusicRecording
duration: PT4M24S
duration ms: 264013
explicit: false
by artist: H de Perra
by artist: fdi kass
by artist: EL LEGADO
in album: Falopa Cara
  type: MusicAlbum
  date published: 2021-10-30
isrc code: QZTPX2115762
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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 0xaa50106dac06e358b524fcc3363c595716fd2f4fa5f28e21f334634f45d74243. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZTPX2115762.
  date published: 2026-07-02T03:55:08Z
audio: La Merca
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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