Antra Mc
type: MusicGroup
popularity: 14
followers: 147
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb9c574e312de2327d3e6ce05b0b434b79db036955fdfd64f35559fcea1d013d9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953770
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953770
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b5c21a61-14dd-45a5-a968-aa1a1d8587bb.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b5c21a61-14dd-45a5-a968-aa1a1d8587bb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b5c21a61-14dd-45a5-a968-aa1a1d8587bb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T09:50:11Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb9c574e312de2327d3e6ce05b0b434b79db036955fdfd64f35559fcea1d013d9","name":"Antra Mc","registered_at":"2026-06-14T23:33:43Z","symbol":"NIM0611696","token_address":"0xb9d56956547d8e4dd8539703590edd720aa6426a","type":"artist","uuid":"b5c21a61-14dd-45a5-a968-aa1a1d8587bb"}
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 0xb9c574e312de2327d3e6ce05b0b434b79db036955fdfd64f35559fcea1d013d9. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b5c21a61-14dd-45a5-a968-aa1a1d8587bb.json and https://artists.proofprofile.net/proofs/artist/b5c21a61-14dd-45a5-a968-aa1a1d8587bb.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-15T09:50:11Z
  text: {"copyright_id":"0xb9c574e312de2327d3e6ce05b0b434b79db036955fdfd64f35559fcea1d013d9","name":"Antra Mc","registered_at":"2026-06-14T23:33:43Z","symbol":"NIM0611696","token_address":"0xb9d56956547d8e4dd8539703590edd720aa6426a","type":"artist","uuid":"b5c21a61-14dd-45a5-a968-aa1a1d8587bb"}
album: Rhythmus
  type: MusicAlbum
  date published: 2023-12-01
album: Weit weg
  type: MusicAlbum
  date published: 2024-01-05
album: Weit Weg (Special)
  type: MusicAlbum
  date published: 2024-03-15
  track: Weit Weg - Special
    type: MusicRecording
    duration: PT0M53S
    duration ms: 53196
    explicit: false
    by artist: Antra Mc
    in album: Weit Weg (Special)
      type: MusicAlbum
      date published: 2024-03-15
    isrc code: QZDA82477407
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T06:34:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x43fca83bf779a34ccda57d1538d2879c9f89211fb52527f9649f70745f05d6e9
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958377
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958377
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA82477407
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T06:48:00Z
    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 0x43fca83bf779a34ccda57d1538d2879c9f89211fb52527f9649f70745f05d6e9. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA82477407 — a six-check JSON result.
      date published: 2026-07-17T06:48:00Z
    audio: Weit Weg - Special
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 106.97
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.603
      additional property: Energy
        type: PropertyValue
        value: 0.722
      additional property: Speechiness
        type: PropertyValue
        value: 0.067
      additional property: Acousticness
        type: PropertyValue
        value: 0.137
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.855
      additional property: Liveness
        type: PropertyValue
        value: 0.076
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.35
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.021
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Chico
  type: MusicAlbum
  date published: 2024-06-28
  track: Chico
    type: MusicRecording
    duration: PT2M17S
    duration ms: 137903
    explicit: false
    by artist: Antra Mc
    in album: Chico
      type: MusicAlbum
      date published: 2024-06-28
    isrc code: QZNWY2443297
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-12T21:59:09+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7c8c802c68d6b90bb463534aa4e9d7337924f7c826added75b9c6205b25ee1d9
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957766
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957766
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWY2443297
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-12T22:25:04Z
    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 0x7c8c802c68d6b90bb463534aa4e9d7337924f7c826added75b9c6205b25ee1d9. Chain 2 (Bitcoin): anchored in block 957766 (2026-07-12T22:25:04Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWY2443297 — a six-check JSON result.
      date published: 2026-07-12T22:25:04Z
    audio: Chico
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 89.765
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.648
      additional property: Energy
        type: PropertyValue
        value: 0.711
      additional property: Speechiness
        type: PropertyValue
        value: 0.388
      additional property: Acousticness
        type: PropertyValue
        value: 0.151
      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: Antra
album: Karneval

Liveness
type: PropertyValue
value: 0.48

Valence (Positivity)
type: PropertyValue
value: 0.644

Loudness (dB)
type: PropertyValue
value: -7.298

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Minor

Antra
type: MusicAlbum
date published: 2024-09-13

Karneval
type: MusicAlbum
date published: 2024-12-20