Sammo Sheng
type: MusicGroup
popularity: 21
followers: 17
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb50ffe3d803c9197f68e4e3e9f9d374ac6b714d149cdffe9b9af9ddf9b90406f
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/60d3abdd-b789-42d8-97b7-38d3d9aaddcd.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/60d3abdd-b789-42d8-97b7-38d3d9aaddcd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/60d3abdd-b789-42d8-97b7-38d3d9aaddcd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb50ffe3d803c9197f68e4e3e9f9d374ac6b714d149cdffe9b9af9ddf9b90406f","name":"Sammo Sheng","registered_at":"2026-06-11T22:49:49Z","symbol":"NIM0127188","token_address":"0x009287fe9534dbe4b500fc9ce6c4e3a3bac38561","type":"artist","uuid":"60d3abdd-b789-42d8-97b7-38d3d9aaddcd"}
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 0xb50ffe3d803c9197f68e4e3e9f9d374ac6b714d149cdffe9b9af9ddf9b90406f. 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/60d3abdd-b789-42d8-97b7-38d3d9aaddcd.json and https://artists.proofprofile.net/proofs/artist/60d3abdd-b789-42d8-97b7-38d3d9aaddcd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0xb50ffe3d803c9197f68e4e3e9f9d374ac6b714d149cdffe9b9af9ddf9b90406f","name":"Sammo Sheng","registered_at":"2026-06-11T22:49:49Z","symbol":"NIM0127188","token_address":"0x009287fe9534dbe4b500fc9ce6c4e3a3bac38561","type":"artist","uuid":"60d3abdd-b789-42d8-97b7-38d3d9aaddcd"}
album: Bars
  type: MusicAlbum
  date published: 2021-04-15
album: Cold
  type: MusicAlbum
  date published: 2021-04-16
album: Happen
  type: MusicAlbum
  date published: 2021-04-21
album: Letter
  type: MusicAlbum
  date published: 2021-04-29
album: Bars (2024 Remastered Version)
  type: MusicAlbum
  date published: 2024-08-09
album: Happen (2024 Remastered Version)
  type: MusicAlbum
  date published: 2024-08-17
album: Freedom
  type: MusicAlbum
  date published: 2025-07-03
album: Inside
  type: MusicAlbum
  date published: 2025-07-11
  track: Inside
    type: MusicRecording
    duration: PT3M13S
    duration ms: 193187
    explicit: true
    by artist: Sammo Sheng
    in album: Inside
      type: MusicAlbum
      date published: 2025-07-11
    isrc code: TCAJT2580925
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T21:24:18+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1ddde0f98359867ecd62ab4764eba8f75d5febf7a82b329123524e55b9fc8033
    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/TCAJT2580925
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ddde0f98359867ecd62ab4764eba8f75d5febf7a82b329123524e55b9fc8033. 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/TCAJT2580925.
      date published: 2026-07-04T10:04:33Z
    audio: Inside
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 93.106
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.579
      additional property: Energy
        type: PropertyValue
        value: 0.596
      additional property: Speechiness
        type: PropertyValue
        value: 0.39
      additional property: Acousticness
        type: PropertyValue
        value: 0.436
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.15
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.261
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.809
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Minor