F. Delta
type: MusicGroup
popularity: 8
followers: 186
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x59949b93787d8d99ea1d15d2c6dc18d0b9ce9974277b771def8f7bd6ea71c8d6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/492256a6-7571-47b7-949d-6241ea35d703.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/492256a6-7571-47b7-949d-6241ea35d703.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/492256a6-7571-47b7-949d-6241ea35d703
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x59949b93787d8d99ea1d15d2c6dc18d0b9ce9974277b771def8f7bd6ea71c8d6","name":"F. Delta","registered_at":"2026-06-16T15:02:12Z","symbol":"NIM1088746","token_address":"0xf44251a4d734d5653b0077224a80dbbfb56bfe8b","type":"artist","uuid":"492256a6-7571-47b7-949d-6241ea35d703"}
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 0x59949b93787d8d99ea1d15d2c6dc18d0b9ce9974277b771def8f7bd6ea71c8d6. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/492256a6-7571-47b7-949d-6241ea35d703.json and https://artists.proofprofile.net/proofs/artist/492256a6-7571-47b7-949d-6241ea35d703.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x59949b93787d8d99ea1d15d2c6dc18d0b9ce9974277b771def8f7bd6ea71c8d6","name":"F. Delta","registered_at":"2026-06-16T15:02:12Z","symbol":"NIM1088746","token_address":"0xf44251a4d734d5653b0077224a80dbbfb56bfe8b","type":"artist","uuid":"492256a6-7571-47b7-949d-6241ea35d703"}
track: Las espigadoras (La rosa del azafrán)
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180280
  explicit: false
  by artist: F. Delta
  in album: La Zarzuela - 100 Momentos Antológicos
    type: MusicAlbum
    date published: 2013-12-10
  isrc code: ES5080007333
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T04:57:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x84c69b1774fa84866467af97f71288a72270bbf5365880cd88d51a1042b0c09c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953536
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5080007333
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  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 0x84c69b1774fa84866467af97f71288a72270bbf5365880cd88d51a1042b0c09c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/ES5080007333.
    date published: 2026-06-13T17:25:41Z
  audio: Las espigadoras (La rosa del azafrán)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 117.974
    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: 0.635
    additional property: Energy
      type: PropertyValue
      value: 0.246
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.987
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.181
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.498
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.658
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Las espigadoras (La rosa del azafrán)
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180280
  explicit: false
  by artist: F. Delta
  in album: Los 101 momentos de la Zarzuela
    type: MusicAlbum
    date published: 2017-03-31
  isrc code: ES5080007333
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T04:57:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x84c69b1774fa84866467af97f71288a72270bbf5365880cd88d51a1042b0c09c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5080007333
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  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 0x84c69b1774fa84866467af97f71288a72270bbf5365880cd88d51a1042b0c09c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ES5080007333.
    date published: 2026-07-08T03:22:41Z
  audio: Las espigadoras (La rosa del azafrán)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 117.974
    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: 0.635
    additional property: Energy
      type: PropertyValue
      value: 0.246
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.987
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.181
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.498
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.658
    additional property: Key Name
    additional property: Mode Name

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major