Los Sabios del Norte
type: MusicGroup
genre: cumbia norteña
genre: norteño
genre: norteño-sax
popularity: 9
followers: 8901
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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 0x5a5699eceea44c7dfe2cb6a3fa5c42bc90c22ead2a37b4b3ba6589d6d2553a64. Chain 2 (Bitcoin): anchored in block 954174 (2026-06-18T03:01:36Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7e42edcc-e04c-4de0-ab42-36bbbfccc250.json and https://artists.proofprofile.net/proofs/artist/7e42edcc-e04c-4de0-ab42-36bbbfccc250.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-18T03:01:36Z
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album: Amor de Cantina
  type: MusicAlbum
  date published: 1993-07-06
album: Soy Bandolero
  type: MusicAlbum
  date published: 1994-06-07
album: Corzon Norteño
  type: MusicAlbum
  date published: 1995-07-01
  track: Error de un Padre
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    in album: Corzon Norteño
      type: MusicAlbum
      date published: 1995-07-01
    genre: cumbia norteña
    genre: norteño
    genre: norteño-sax
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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
    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b17fbaaa98b9359d11585e41463cdd73aa708254fa03023d5d109c3dbecebb9. Chain 2 (Bitcoin): anchored in block 958691 (2026-07-19T07:19:31Z), 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/USZUP1013364.
      date published: 2026-07-19T07:19:31Z
    audio: Error de un Padre
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      additional property: Valence (Positivity)
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album: El Gallardo
  type: MusicAlbum
  date published: 1997-10-14
album: Me Traiciono
  type: MusicAlbum
  date published: 1998-07-07
  track: Si Sufro
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      type: MusicAlbum
      date published: 1998-07-07
    genre: cumbia norteña
    genre: norteño
    genre: norteño-sax
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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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      date published: 2026-07-19T12:24:55Z
    audio: Si Sufro
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  track: Recuerdos Tristes
album: 15 Puras Buenas
album: "La Gorriona"

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Acousticness
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Instrumentalness
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value: 0

Liveness
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value: 0.123

Valence (Positivity)
type: PropertyValue
value: 0.906

Loudness (dB)
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value: -6.005

Key Name
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value: C

Mode Name
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Recuerdos Tristes
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by artist: Los Sabios del Norte
in album: Me Traiciono
  type: MusicAlbum
  date published: 1998-07-07
genre: cumbia norteña
genre: norteño
genre: norteño-sax
isrc code: USZUP1013381
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf134b9758be244c89333773feaa2e31e7edb996e1596d31f2873aea9c2f20fa6. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/USZUP1013381.
  date published: 2026-07-18T12:44:05Z
audio: Recuerdos Tristes
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  additional property: Valence (Positivity)
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15 Puras Buenas
type: MusicAlbum
date published: 2010-10-18

"La Gorriona"
type: MusicAlbum
date published: 2011-02-09

Amor de Cantina
type: MusicAlbum
date published: 2012-08-09