Anna Zechini
type: MusicGroup
popularity: 12
followers: 564
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x717edaae78db5170b59dc3a0978476bbddf0c0a79b731b27257965d1b9e7a42f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953758
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953758
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b4a785b8-a325-40df-87d4-09634e1bc0e0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b4a785b8-a325-40df-87d4-09634e1bc0e0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b4a785b8-a325-40df-87d4-09634e1bc0e0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T07:48:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x717edaae78db5170b59dc3a0978476bbddf0c0a79b731b27257965d1b9e7a42f","name":"Anna Zechini","registered_at":"2026-06-14T23:30:35Z","symbol":"NIM0610952","token_address":"0xdecb1f263430c4879ede203607c03296136e5494","type":"artist","uuid":"b4a785b8-a325-40df-87d4-09634e1bc0e0"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x717edaae78db5170b59dc3a0978476bbddf0c0a79b731b27257965d1b9e7a42f. Chain 2 (Bitcoin): anchored in block 953758 (2026-06-15T07:48:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b4a785b8-a325-40df-87d4-09634e1bc0e0.json and https://artists.proofprofile.net/proofs/artist/b4a785b8-a325-40df-87d4-09634e1bc0e0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T07:48:25Z
  text: {"copyright_id":"0x717edaae78db5170b59dc3a0978476bbddf0c0a79b731b27257965d1b9e7a42f","name":"Anna Zechini","registered_at":"2026-06-14T23:30:35Z","symbol":"NIM0610952","token_address":"0xdecb1f263430c4879ede203607c03296136e5494","type":"artist","uuid":"b4a785b8-a325-40df-87d4-09634e1bc0e0"}
album: Cidade
  type: MusicAlbum
  date published: 2020-01-26
album: Entre Palavras
  type: MusicAlbum
  date published: 2020-03-12
album: AZUL
  type: MusicAlbum
  date published: 2020-04-03
album: Condução
  type: MusicAlbum
  date published: 2020-05-27
album: Florecer
  type: MusicAlbum
  date published: 2020-11-10
  track: Florecer
    type: MusicRecording
    duration: PT3M29S
    duration ms: 209592
    explicit: false
    by artist: Anna Zechini
    in album: Florecer
      type: MusicAlbum
      date published: 2020-11-10
    isrc code: USX9P2034169
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T21:44:03+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7e36b58e8aa720f2ee9944abfa082975960592aae5e13f162e698d9f802917f9
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956634
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956634
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P2034169
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T10:04:33Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e36b58e8aa720f2ee9944abfa082975960592aae5e13f162e698d9f802917f9. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/USX9P2034169.
      date published: 2026-07-04T10:04:33Z
    audio: Florecer
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 149.944
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.491
      additional property: Energy
        type: PropertyValue
        value: 0.148
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.875
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.103
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.211
      additional property: Loudness (dB)
        type: PropertyValue
        value: -17.652
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Contra Viento
  type: MusicAlbum
  date published: 2021-07-30
album: Acústico
  type: MusicAlbum
  date published: 2022-02-08
album: Saturnalia
  type: MusicAlbum
  date published: 2022-08-31
album: Entre Dioses y Hombres
  type: MusicAlbum
  date published: 2022-09-30
album: Libre Albedrío
  type: MusicAlbum
  date published: 2022-10-28
album: Cassini
  type: MusicAlbum
  date published: 2023-04-14
album: Mar
  type: MusicAlbum
  date published: 2024-03-14
  track: Mar
    type: MusicRecording
    duration: PT2M4S
    duration ms: 124170
    explicit: false
    by artist: Anna Zechini
    in album: Mar
      type: MusicAlbum
      date published: 2024-03-14
    isrc code: USLZJ2438437
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T12:07:08+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xeb919046de76cc1418af5f5705406190f022a63f261e60046cb712a587e4b901
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958878
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958878
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLZJ2438437
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T12:32:15Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb919046de76cc1418af5f5705406190f022a63f261e60046cb712a587e4b901. Chain 2 (Bitcoin): anchored in block 958878 (2026-07-20T12:32:15Z), 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/USLZJ2438437.
      date published: 2026-07-20T12:32:15Z
    audio: Mar
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 104.971
      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: Tu Devi Essere Mia
album: A Heroína Dos Dois Mundos

Musical Key
type: PropertyValue
value: 2

Mode (Major/Minor)
type: PropertyValue
value: 0

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.816

Energy
type: PropertyValue
value: 0.175

Speechiness
type: PropertyValue
value: 0.034

Acousticness
type: PropertyValue
value: 0.941

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.13

Valence (Positivity)
type: PropertyValue
value: 0.452

Loudness (dB)
type: PropertyValue
value: -13.662

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Minor

Mar
type: MusicAlbum
date published: 2024-03-14

Tu Devi Essere Mia
type: MusicAlbum
date published: 2025-06-13
track: Tu Devi Essere Mia
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194230
  explicit: false
  by artist: Anna Zechini
  in album: Tu Devi Essere Mia
    type: MusicAlbum
    date published: 2025-06-13
  isrc code: BCZAF2500001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T09:04:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4f0e53d58c95f489e0813524148004fd6462ddd27c5589d65d90f4b5e4d14a7c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BCZAF2500001
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f0e53d58c95f489e0813524148004fd6462ddd27c5589d65d90f4b5e4d14a7c. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/BCZAF2500001.
    date published: 2026-07-04T10:04:33Z
  audio: Tu Devi Essere Mia
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 77.873
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.618
    additional property: Energy
      type: PropertyValue
      value: 0.254
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.882
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.136
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.266
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.267
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

A Heroína Dos Dois Mundos
type: MusicAlbum
date published: 2025-07-31