De Maria
type: MusicGroup
genre: mpb
genre: nova mpb
description: De Maria is a surname. Notable people with the surname include: Alexandre De Maria (1904–1968), Brazilian-born and Italian footballer Ercole de Maria (died c. 1640), Italian Baroque painter Isidoro d
popularity: 25
followers: 3311
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5398d6aba37e664c9e2c691983bb676e33e4678eee04fd8686993b8758dc5999
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/70834c8e-6082-4024-b0d8-0d89da1b43d0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/70834c8e-6082-4024-b0d8-0d89da1b43d0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/70834c8e-6082-4024-b0d8-0d89da1b43d0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5398d6aba37e664c9e2c691983bb676e33e4678eee04fd8686993b8758dc5999","name":"De Maria","registered_at":"2026-06-12T00:47:12Z","symbol":"NIM0146790","token_address":"0xb5ff27f77e25291f6ace49e8a2a2a3168cb45332","type":"artist","uuid":"70834c8e-6082-4024-b0d8-0d89da1b43d0"}
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 0x5398d6aba37e664c9e2c691983bb676e33e4678eee04fd8686993b8758dc5999. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/70834c8e-6082-4024-b0d8-0d89da1b43d0.json and https://artists.proofprofile.net/proofs/artist/70834c8e-6082-4024-b0d8-0d89da1b43d0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x5398d6aba37e664c9e2c691983bb676e33e4678eee04fd8686993b8758dc5999","name":"De Maria","registered_at":"2026-06-12T00:47:12Z","symbol":"NIM0146790","token_address":"0xb5ff27f77e25291f6ace49e8a2a2a3168cb45332","type":"artist","uuid":"70834c8e-6082-4024-b0d8-0d89da1b43d0"}
album: De Maria
  type: MusicAlbum
  date published: 2018-01-01
album: Amanheceu
  type: MusicAlbum
  date published: 2018-05-31
album: Amanheceu (Apollo 55 Remix)
  type: MusicAlbum
  date published: 2018-09-05
album: Amanheceu (Apollo 55 Remix)
  type: MusicAlbum
  date published: 2018-09-05
album: De Maria
  type: MusicAlbum
  date published: 2018-11-01
album: De Maria
  type: MusicAlbum
  date published: 2018-11-01
album: Amanheceu
  type: MusicAlbum
  date published: 2019-02-28
album: Amanheceu
  type: MusicAlbum
  date published: 2019-02-28
album: Amanheceu
  type: MusicAlbum
  date published: 2019-02-28
album: Ela (Spect3R Remix)
  type: MusicAlbum
  date published: 2019-06-06
album: Ela (Spect3r Remix)
  type: MusicAlbum
  date published: 2019-06-06
album: Ela (Spect3r Remix)
  type: MusicAlbum
  date published: 2019-06-06
  track: Ela - Spect3r Remix
album: Só Penso em Você
  type: MusicAlbum
  date published: 2019-10-15
album: Só Penso Em Você
  type: MusicAlbum
  date published: 2019-10-15
album: Microfonado Pocket
  type: MusicAlbum
  date published: 2019-11-07
album: Microfonado Pocket
  type: MusicAlbum
  date published: 2019-11-07
album: Espero Você Chegar
  type: MusicAlbum
  date published: 2019-11-28
album: Espero Você Chegar
  type: MusicAlbum
  date published: 2019-11-28
album: Só Penso Em Você (D-Lex & Alma Crew Remix)
  type: MusicAlbum
  date published: 2020-01-23
album: só Penso Em Você (Rafael Yapudjian Remix)
  type: MusicAlbum
  date published: 2020-02-14
album: Tolo
  type: MusicAlbum
  date published: 2020-04-15
album: Tolo
  type: MusicAlbum
  date published: 2020-04-15
album: Amador Demais
  type: MusicAlbum
  date published: 2020-05-19
album: Amador Demais
  type: MusicAlbum
  date published: 2020-05-19
album: Nós Dois
  type: MusicAlbum
  date published: 2020-07-23
album: Nós Dois
  type: MusicAlbum
  date published: 2020-07-23
album: O Amor Não Cansa
  type: MusicAlbum
  date published: 2020-12-08
album: O Amor Não Cansa
  type: MusicAlbum
  date published: 2020-12-08
album: Recomeçar
  type: MusicAlbum
  date published: 2021-10-05
album: De Maria
  type: MusicAlbum
  date published: 2022-07-06
  track: Amador Demais
    type: MusicRecording
    duration: PT3M18S
    duration ms: 198500
    explicit: false
    by artist: De Maria
    in album: De Maria
      type: MusicAlbum
      date published: 2022-07-06
    genre: mpb
    genre: nova mpb
    isrc code: BR3752000036
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T02:43:53+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8dfb024ed3315ed5c3f73717c655763bf57df77529d5365551b1b53fcf7e9de1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956474
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956474
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BR3752000036
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T08:56:35Z
    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 0x8dfb024ed3315ed5c3f73717c655763bf57df77529d5365551b1b53fcf7e9de1. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/BR3752000036.
      date published: 2026-07-03T08:56:35Z
    audio: Amador Demais
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 97.97
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.623
      additional property: Energy
        type: PropertyValue
        value: 0.493
      additional property: Speechiness
        type: PropertyValue
        value: 0.024
      additional property: Acousticness
        type: PropertyValue
        value: 0.109
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Aurora
album: Uma Mulher, Uma Represa
album: Minimal (Ao Vivo)

Ela - Spect3r Remix
type: MusicRecording
duration: PT2M53S
duration ms: 173500
explicit: false
by artist: De Maria
in album: Ela (Spect3r Remix)
  type: MusicAlbum
  date published: 2019-06-06
genre: mpb
genre: nova mpb
isrc code: BR3751900099
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T12:40:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x56ad363466d68902dfd8ad3bc8386ec8db17d331953172ffafcf6aebf18fcad2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BR3751900099
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07+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: 953513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:47:07+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 0x56ad363466d68902dfd8ad3bc8386ec8db17d331953172ffafcf6aebf18fcad2. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BR3751900099.
  date published: 2026-06-13T15:41:10Z
audio: Ela - Spect3r Remix
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.29
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.664
  additional property: Energy
    type: PropertyValue
    value: 0.901
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.021
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.277
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.358
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.553
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Liveness
type: PropertyValue
value: 0.422

Valence (Positivity)
type: PropertyValue
value: 0.181

Loudness (dB)
type: PropertyValue
value: -6.903

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Major

De Maria
type: MusicAlbum
date published: 2022-07-06

Aurora
type: MusicAlbum
date published: 2023-06-09

Aurora
type: MusicAlbum
date published: 2023-06-09
track: Aurora
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189013
  explicit: false
  by artist: De Maria
  in album: Aurora
    type: MusicAlbum
    date published: 2023-06-09
  genre: mpb
  genre: nova mpb
  isrc code: BXY582300001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T14:25:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6a22bb2c8dede12ef9aa8dfc601dcb6d46e7a58cf0ca8195f884df55c383c72c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958601
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958601
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXY582300001
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T19:27:02Z
  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 0x6a22bb2c8dede12ef9aa8dfc601dcb6d46e7a58cf0ca8195f884df55c383c72c. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/BXY582300001.
    date published: 2026-07-18T19:27:02Z
  audio: Aurora
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 94.038
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.538
    additional property: Energy
      type: PropertyValue
      value: 0.257
    additional property: Speechiness
      type: PropertyValue
      value: 0.026
    additional property: Acousticness
      type: PropertyValue
      value: 0.751
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.171
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.559
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major

Uma Mulher, Uma Represa
type: MusicAlbum
date published: 2024-05-31

Minimal (Ao Vivo)
type: MusicAlbum
date published: 2024-12-06