Elisabete Matos
type: MusicGroup
genre: opera
description: Maria Elisabete da Silva Duarte Matos GOIH OIH (born 6 September 1964) is a Portuguese soprano and politician. In January 2022 she was elected to the Portuguese Assembly of the Republic as a member of
popularity: 4
followers: 106
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2fd771100550a0b002f7d5bcbb13f5fe5fd88c9c7aa1a54d932909deccd6ec6e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954533
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954533
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a33a87c4-43c9-492d-9bed-cb165a256ab3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a33a87c4-43c9-492d-9bed-cb165a256ab3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a33a87c4-43c9-492d-9bed-cb165a256ab3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T08:57:02Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2fd771100550a0b002f7d5bcbb13f5fe5fd88c9c7aa1a54d932909deccd6ec6e","name":"Elisabete Matos","registered_at":"2026-06-20T06:31:29Z","symbol":"NIM1540891","token_address":"0xb6d81b6a69401cce0c70eddb3a4346e465a4c8e2","type":"artist","uuid":"a33a87c4-43c9-492d-9bed-cb165a256ab3"}
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fd771100550a0b002f7d5bcbb13f5fe5fd88c9c7aa1a54d932909deccd6ec6e. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a33a87c4-43c9-492d-9bed-cb165a256ab3.json and https://artists.proofprofile.net/proofs/artist/a33a87c4-43c9-492d-9bed-cb165a256ab3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
  text: {"copyright_id":"0x2fd771100550a0b002f7d5bcbb13f5fe5fd88c9c7aa1a54d932909deccd6ec6e","name":"Elisabete Matos","registered_at":"2026-06-20T06:31:29Z","symbol":"NIM1540891","token_address":"0xb6d81b6a69401cce0c70eddb3a4346e465a4c8e2","type":"artist","uuid":"a33a87c4-43c9-492d-9bed-cb165a256ab3"}
track: La Dolores / Act 1: Jota

La Dolores / Act 1: Jota
type: MusicRecording
duration: PT7M29S
duration ms: 449333
explicit: false
by artist: Tomás Bretón
by artist: Elisabete Matos
by artist: Raquel Pierotti
by artist: Máire Lang
by artist: Santiago Calderon
by artist: Tito Beltrán
by artist: Cor Del Gran Teatro De Liceu
by artist: Orquestra Simfònica de Barcelona i Nacional de Catalunya
by artist: Antoni Ros Marbá
in album: Bretón: La Dolores
  type: MusicAlbum
  date published: 1999-01-01
genre: spanish-classical
genre: zarzuela
isrc code: GBF079841109
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T08:08:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x792f381e09525706f59126d8b1b4c77039001ce692fcec036e6d58fdf52b8d25
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079841109
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
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
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x792f381e09525706f59126d8b1b4c77039001ce692fcec036e6d58fdf52b8d25. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBF079841109.
  date published: 2026-07-02T05:09:12Z
audio: La Dolores / Act 1: Jota
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.427
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.37
  additional property: Energy
    type: PropertyValue
    value: 0.219
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.845
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.412
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.479
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.827
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major