La Oferta
type: MusicGroup
genre: sierreño
description: La Oferta Review is a bilingual (Spanish and English) weekly newspaper in San Jose, California. First published in 1978, it is the oldest Hispanic-owned newspaper in the San Jose area. Since 1996, whe
popularity: 6
followers: 477
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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 0x555e0a79ad3d3a1af85e51cbee2e65233777069b7bc8a5cf867abef3e4b60604. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/69522e21-9f1c-44a6-b7b5-804dd31e2124.json and https://artists.proofprofile.net/proofs/artist/69522e21-9f1c-44a6-b7b5-804dd31e2124.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x555e0a79ad3d3a1af85e51cbee2e65233777069b7bc8a5cf867abef3e4b60604","name":"La Oferta","registered_at":"2026-06-17T02:20:11Z","symbol":"NIM1250508","token_address":"0xd0466568ff939cce33061960fa0cf17a46d57603","type":"artist","uuid":"69522e21-9f1c-44a6-b7b5-804dd31e2124"}
album: Corridos y Rancheras Vol. 1 (En Vivo)
  type: MusicAlbum
  date published: 2020-06-12
album: Corridos y Rancheras, Vol. 1 (En Vivo)
  type: MusicAlbum
  date published: 2020-06-12
album: Pa' Recordar A Mi Ex Vol. 2 (En Vivo)
  type: MusicAlbum
  date published: 2020-06-26
album: Pa' Recordar A Mi Ex, Vol. 2 (En Vivo)
  type: MusicAlbum
  date published: 2020-06-26
album: Pa' Recordar A Mi Ex Vol. 2 (En Vivo)
  type: MusicAlbum
  date published: 2020-06-26
album: Desde Culiacán Con Servando ZL (En Vivo Desde Culiacán)
  type: MusicAlbum
  date published: 2021-06-18
track: Cómo Estás Tú

Cómo Estás Tú
type: MusicRecording
duration: PT3M6S
duration ms: 186799
explicit: false
by artist: El Juanma
by artist: La Oferta
by artist: Banda Sertao
in album: Bien Parada
  type: MusicAlbum
  date published: 2020-08-13
isrc code: QM6DC2090485
additional property: CopyrightID
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6DC2090485
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0749466a041c87e6042986941e8e29d5c41894ff153d3ad4ad16a38652488936. 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/QM6DC2090485.
  date published: 2026-07-02T03:55:08Z
audio: Cómo Estás Tú
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
    value: 0.458
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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  additional property: Key Name
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    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major