Jorge Lazaroff
type: MusicGroup
description: thumb|200px|Jorge Lazaroff in concert. Jorge Ovidio Lazaroff Cesconi (28 February 1950 – 22 March 1989) was an Uruguayan composer, singer and guitarist. His father was a Bulgarian immigrant and his
popularity: 10
followers: 3545
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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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  date published: 2026-06-19T03:22:39Z
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album: Albañil / Dos
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  date published: 1996-01-01
  track: Albañil
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    by artist: Jorge Lazaroff
    in album: Albañil / Dos
      type: MusicAlbum
      date published: 1996-01-01
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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
    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71c15b19404176b52d48918f0c2d103716fdff4d0ce9ed67b857dcb79731c472. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/UYA139600055.
      date published: 2026-07-05T10:59:37Z
    audio: Albañil
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  track: Hoy Sopa Hoy
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    by artist: Jorge Lazaroff
    in album: Albañil / Dos
      type: MusicAlbum
      date published: 1996-01-01
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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
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-19T10:15:55Z
    audio: Hoy Sopa Hoy
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  track: Baile de Más Caras
album: Exitos de Nunca
album: Saludo A Los Barrios
album: La Gente

Loudness (dB)
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value: -17.018

Key Name
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value: A

Mode Name
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value: Minor

Baile de Más Caras
type: MusicRecording
duration: PT3M46S
duration ms: 226280
explicit: false
by artist: Jorge Lazaroff
in album: Albañil / Dos
  type: MusicAlbum
  date published: 1996-01-01
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfda91aeef8afa65d2483ed111b33bca383725efd5fa11071824d9c1798d6af14. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/UYA139600077.
  date published: 2026-07-05T10:59:37Z
audio: Baile de Más Caras
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Exitos de Nunca
type: MusicAlbum
date published: 1999-02-01

Saludo A Los Barrios
type: MusicAlbum
date published: 2023-12-15

La Gente
type: MusicAlbum
date published: 2024-10-06