Di Melo
type: MusicGroup
description: Roberto de Melo Santos (born 22 April 1949), known professionally as Di Melo, is a Brazilian singer-songwriter. His albums are characterized by a variety of musical genres, frequently mixing soul and
popularity: 8
followers: 3
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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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  date published: 2026-06-21T07:29:20Z
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track: Crônica da Maldita Saudade

Crônica da Maldita Saudade
type: MusicRecording
duration: PT4M3S
duration ms: 243136
explicit: false
by artist: Rashid
by artist: Di Melo
in album: Confundindo Sábios
  type: MusicAlbum
  date published: 2013-09-24
genre: brazilian-hip-hop
isrc code: BR7121300015
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additional property: OTSTimestamp
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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 0x6ffcc008868076a67922fe53e0ba65985039afb337ca9a0e068fa87111017746. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BR7121300015.
  date published: 2026-06-13T15:41:10Z
audio: Crônica da Maldita Saudade
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 5
  additional property: Danceability
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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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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  additional property: Mode Name
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