Mei Tarce
type: MusicGroup
genre: opm
popularity: 2
followers: 603
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0ea8a0b050c220242738d8f13567c8f317d4ad5e9b4c1d012229fc6c835df9fe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/811a3faf-9339-46bf-afac-290682019761.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/811a3faf-9339-46bf-afac-290682019761.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/811a3faf-9339-46bf-afac-290682019761
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0ea8a0b050c220242738d8f13567c8f317d4ad5e9b4c1d012229fc6c835df9fe","name":"Mei Tarce","registered_at":"2026-06-17T10:34:16Z","symbol":"NIM1368353","token_address":"0x5540152ed2d61179c1c8bfb101fa6818ca007e63","type":"artist","uuid":"811a3faf-9339-46bf-afac-290682019761"}
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 0x0ea8a0b050c220242738d8f13567c8f317d4ad5e9b4c1d012229fc6c835df9fe. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/811a3faf-9339-46bf-afac-290682019761.json and https://artists.proofprofile.net/proofs/artist/811a3faf-9339-46bf-afac-290682019761.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x0ea8a0b050c220242738d8f13567c8f317d4ad5e9b4c1d012229fc6c835df9fe","name":"Mei Tarce","registered_at":"2026-06-17T10:34:16Z","symbol":"NIM1368353","token_address":"0x5540152ed2d61179c1c8bfb101fa6818ca007e63","type":"artist","uuid":"811a3faf-9339-46bf-afac-290682019761"}
album: Sa'yo
  type: MusicAlbum
  date published: 2019-10-25
  track: Sa'yo
    type: MusicRecording
    duration: PT4M37S
    duration ms: 277408
    explicit: false
    by artist: Mei Tarce
    in album: Sa'yo
      type: MusicAlbum
      date published: 2019-10-25
    genre: opm
    isrc code: FR96X1975284
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T08:36:58+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf65f43695adf05a7fb6f8f8a5091849b5a3ae9fa111bbc103d625a20c6df3cb7
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958991
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958991
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR96X1975284
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T11:37:48Z
    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 0xf65f43695adf05a7fb6f8f8a5091849b5a3ae9fa111bbc103d625a20c6df3cb7. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T11:37:48Z), 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/FR96X1975284.
      date published: 2026-07-21T11:37:48Z
    audio: Sa'yo
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.229
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.405
      additional property: Energy
        type: PropertyValue
        value: 0.245
      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
        type: PropertyValue
        value: 0.931
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.09
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.235
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.179
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Tayong Dalawa
  type: MusicAlbum
  date published: 2020-08-28
album: Tayong Dalawa
  type: MusicAlbum
  date published: 2020-08-28
album: Apoy
  type: MusicAlbum
  date published: 2021-05-14
album: Apoy
  type: MusicAlbum
  date published: 2021-05-14
album: Atin Ang Gabi
  type: MusicAlbum
  date published: 2024-04-12