Maria João
type: MusicGroup
genre: fado
genre: vocal jazz
popularity: 19
followers: 7136
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6b1795a5c63b62168a2b7dbc1b2981d7fcae1a8cfbbb1cb697ebd21b3714c345
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953768
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953768
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c3777f12-8adc-4195-bcb6-106c63d25bee.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c3777f12-8adc-4195-bcb6-106c63d25bee.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c3777f12-8adc-4195-bcb6-106c63d25bee
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T09:30:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6b1795a5c63b62168a2b7dbc1b2981d7fcae1a8cfbbb1cb697ebd21b3714c345","name":"Maria João","registered_at":"2026-06-15T01:01:21Z","symbol":"NIM0632643","token_address":"0x35ed22134fb2d262ac02f7d087eebb0f0d7dba40","type":"artist","uuid":"c3777f12-8adc-4195-bcb6-106c63d25bee"}
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 0x6b1795a5c63b62168a2b7dbc1b2981d7fcae1a8cfbbb1cb697ebd21b3714c345. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c3777f12-8adc-4195-bcb6-106c63d25bee.json and https://artists.proofprofile.net/proofs/artist/c3777f12-8adc-4195-bcb6-106c63d25bee.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T11:57:35Z
  text: {"copyright_id":"0x6b1795a5c63b62168a2b7dbc1b2981d7fcae1a8cfbbb1cb697ebd21b3714c345","name":"Maria João","registered_at":"2026-06-15T01:01:21Z","symbol":"NIM0632643","token_address":"0x35ed22134fb2d262ac02f7d087eebb0f0d7dba40","type":"artist","uuid":"c3777f12-8adc-4195-bcb6-106c63d25bee"}
album: Sol (Grupo Cal Viva)
  type: MusicAlbum
  date published: 1991
album: Sol
  type: MusicAlbum
  date published: 1992
album: Dancas
  type: MusicAlbum
  date published: 1994-01-01
album: Fabula
  type: MusicAlbum
  date published: 1996-01-01
album: Cor
  type: MusicAlbum
  date published: 1998-01-01
album: Lobos, Raposas E Coiotes
  type: MusicAlbum
  date published: 1999
  track: Beatriz
    type: MusicRecording
    duration: PT7M4S
    duration ms: 424080
    explicit: false
    by artist: Maria João
    in album: Lobos, Raposas E Coiotes
      type: MusicAlbum
      date published: 1999
    genre: fado
    genre: vocal jazz
    isrc code: PTAP19802068
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T05:41:08+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc42b9306000c6dd59e258f16ea0bfc41131ec753163f88aaab0618ff5e871cfb
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958544
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958544
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTAP19802068
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T12:14:37Z
    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 0xc42b9306000c6dd59e258f16ea0bfc41131ec753163f88aaab0618ff5e871cfb. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/PTAP19802068.
      date published: 2026-07-18T12:14:37Z
    audio: Beatriz
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 77.702
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.198
      additional property: Energy
        type: PropertyValue
        value: 0.047
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.974
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.005
      additional property: Liveness
        type: PropertyValue
        value: 0.087
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.039
      additional property: Loudness (dB)
        type: PropertyValue
        value: -18.294
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Flor
  type: MusicAlbum
  date published: 2000-01-01
album: Chorinho Feliz
  type: MusicAlbum
  date published: 2000-01-01
album: Mumadji
  type: MusicAlbum
  date published: 2001-01-01
album: Undercovers
  type: MusicAlbum
  date published: 2002-01-01
  track: Black Bird
    type: MusicRecording
    duration: PT3M16S
    duration ms: 196560
    explicit: false
    by artist: Maria João
    in album: Undercovers
      type: MusicAlbum
      date published: 2002-01-01
    genre: fado
    genre: vocal jazz
    isrc code: PTUM10200244
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T19:31:00+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xbd3a771dd6c48e1a76bd02476da28ed74c32239a793a5523b6eb027c98ea63e3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958319
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTUM10200244
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T20:12:32Z
    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 0xbd3a771dd6c48e1a76bd02476da28ed74c32239a793a5523b6eb027c98ea63e3. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T20:12:32Z), 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/PTUM10200244.
      date published: 2026-07-16T20:12:32Z
    audio: Black Bird
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 99.097
      additional property: Musical Key
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Tralha
album: João
album: Chocolate
album: Amoras e Framboesas
album: Electrodoméstico
album: Plástico
album: Cem Caminhos
album: A Poesia de Aldir Blanc
album: Studio Konzert for Headphones
album: Acute Angles
album: Respiros
album: Say Something
album: Open Your Mouth
album: Best Of
album: Acute Angles (Acoustic)
album: Look in Thy Glass
album: The Man That Hath No Music in Himself
album: Songs for Shakespeare
album: Algodão
album: Ao Sol
album: Esperança
album: Abundância

Musical Key
type: PropertyValue
value: 7

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 3

Danceability
type: PropertyValue
value: 0.528

Energy
type: PropertyValue
value: 0.728

Speechiness
type: PropertyValue
value: 0.061

Acousticness
type: PropertyValue
value: 0.775

Instrumentalness
type: PropertyValue
value: 0.313

Liveness
type: PropertyValue
value: 0.171

Valence (Positivity)
type: PropertyValue
value: 0.716

Loudness (dB)
type: PropertyValue
value: -11.093

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Tralha
type: MusicAlbum
date published: 2004-01-01

Tralha
type: MusicAlbum
date published: 2004-01-01

João
type: MusicAlbum
date published: 2007-01-01

João
type: MusicAlbum
date published: 2007-01-01

Chocolate
type: MusicAlbum
date published: 2008-01-01

Amoras e Framboesas
type: MusicAlbum
date published: 2011-01-01

Electrodoméstico
type: MusicAlbum
date published: 2012-04-15

Electrodoméstico
type: MusicAlbum
date published: 2012-04-15

Plástico
type: MusicAlbum
date published: 2015-04-01

Cem Caminhos
type: MusicAlbum
date published: 2015-04-24

Plástico
type: MusicAlbum
date published: 2015-09-04

A Poesia de Aldir Blanc
type: MusicAlbum
date published: 2017-08-17

A Poesia de Aldir Blanc
type: MusicAlbum
date published: 2017-09-15

Studio Konzert for Headphones
type: MusicAlbum
date published: 2019-08-30

Acute Angles
type: MusicAlbum
date published: 2020-05-22

Respiros
type: MusicAlbum
date published: 2020-06-26

Say Something
type: MusicAlbum
date published: 2020-08-28

Open Your Mouth
type: MusicAlbum
date published: 2020-09-18

Best Of
type: MusicAlbum
date published: 2020-11-27

Acute Angles (Acoustic)
type: MusicAlbum
date published: 2021-02-19

Look in Thy Glass
type: MusicAlbum
date published: 2022-09-23

The Man That Hath No Music in Himself
type: MusicAlbum
date published: 2022-10-14

Songs for Shakespeare
type: MusicAlbum
date published: 2022-11-11

Algodão
type: MusicAlbum
date published: 2024-09-06

Ao Sol
type: MusicAlbum
date published: 2024-12-13

Esperança
type: MusicAlbum
date published: 2025-01-24

Abundância
type: MusicAlbum
date published: 2025-02-28
track: Ao Sol
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229226
  explicit: false
  by artist: Maria João
  in album: Abundância
    type: MusicAlbum
    date published: 2025-02-28
  genre: fado
  genre: vocal jazz
  isrc code: PT2ME2400001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T19:41:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8ab445c594cec0bbc07ce369585a4e1bfb4965d9397d662edf4f2b45c791a25a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958931
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958931
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT2ME2400001
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T21:15:01Z
  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 0x8ab445c594cec0bbc07ce369585a4e1bfb4965d9397d662edf4f2b45c791a25a. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/PT2ME2400001.
    date published: 2026-07-20T21:15:01Z
  audio: Ao Sol
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 74.683
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.223
    additional property: Energy
      type: PropertyValue
      value: 0.172
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.945
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.108
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.309
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.607
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Esperança
  type: MusicRecording
  duration: PT3M17S
  duration ms: 197800
  explicit: false
  by artist: Maria João
  in album: Abundância
    type: MusicAlbum
    date published: 2025-02-28
  genre: fado
  genre: vocal jazz
  isrc code: PT2ME2400002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T02:47:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd5a3ac4763190ba97ad062eccee30c21dded722fc0a9af79da591b085a2c2588
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958650
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958650
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT2ME2400002
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T03:36:41Z
  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 0xd5a3ac4763190ba97ad062eccee30c21dded722fc0a9af79da591b085a2c2588. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/PT2ME2400002.
    date published: 2026-07-19T03:36:41Z
  audio: Esperança
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 76.996
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.695
    additional property: Energy
      type: PropertyValue
      value: 0.497
    additional property: Speechiness
      type: PropertyValue
      value: 0.206
    additional property: Acousticness
      type: PropertyValue
      value: 0.191
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.307
    additional property: Liveness
      type: PropertyValue
      value: 0.088
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.738
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.227
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Maputo Jive
  type: MusicRecording
  duration: PT4M5S
  duration ms: 245520
  explicit: false
  by artist: Maria João
  in album: Abundância
    type: MusicAlbum
    date published: 2025-02-28
  genre: fado
  genre: vocal jazz
  isrc code: PT2ME2400003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T16:27:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x47832c274a7c6e921f25acb915557c6caf96a147e615d980c87647309c845108
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959037
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Maputo Jive
track: O Amor É Verdadeiro
track: Papalaty

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/959037

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT2ME2400003

OTSTimestamp
type: PropertyValue
value: 2026-07-21T16:59:47Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47832c274a7c6e921f25acb915557c6caf96a147e615d980c87647309c845108. Chain 2 (Bitcoin): anchored in block 959037 (2026-07-21T16:59:47Z), 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/PT2ME2400003.
date published: 2026-07-21T16:59:47Z

Maputo Jive
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 109.933
additional property: Musical Key
  type: PropertyValue
  value: 5
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.625
additional property: Energy
  type: PropertyValue
  value: 0.72
additional property: Speechiness
  type: PropertyValue
  value: 0.06
additional property: Acousticness
  type: PropertyValue
  value: 0.088
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.14
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.583
additional property: Loudness (dB)
  type: PropertyValue
  value: -8.486
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Minor

O Amor É Verdadeiro
type: MusicRecording
duration: PT3M7S
duration ms: 187786
explicit: false
by artist: Maria João
in album: Abundância
  type: MusicAlbum
  date published: 2025-02-28
genre: fado
genre: vocal jazz
isrc code: PT2ME2400004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T09:04:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-03T10:53:04Z
audio: O Amor É Verdadeiro
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Papalaty
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by artist: Maria João
in album: Abundância
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genre: fado
genre: vocal jazz
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subject of: OpenTimestamps Proof of Existence
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audio: Papalaty
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