Lastnerd
type: MusicGroup
popularity: 20
followers: 200
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf818410d64bc2a2a261191de234a63968e575ffd487eed80c3c2e91ac18966d8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953803
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953803
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e31bd901-f3bc-4edf-b41a-07dca98fd520.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e31bd901-f3bc-4edf-b41a-07dca98fd520.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e31bd901-f3bc-4edf-b41a-07dca98fd520
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T15:41:00Z
additional property: OTSCanonicalRecord
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 0xf818410d64bc2a2a261191de234a63968e575ffd487eed80c3c2e91ac18966d8. Chain 2 (Bitcoin): anchored in block 953803 (2026-06-15T15:41:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e31bd901-f3bc-4edf-b41a-07dca98fd520.json and https://artists.proofprofile.net/proofs/artist/e31bd901-f3bc-4edf-b41a-07dca98fd520.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T15:41:00Z
album: breathe
  type: MusicAlbum
  date published: 2023-05-05
album: Idgaf
  type: MusicAlbum
  date published: 2023-09-22
album: Idgaf
  type: MusicAlbum
  date published: 2023-09-22
album: Go Slow
  type: MusicAlbum
  date published: 2023-10-27
album: Done (Throw It Back)
  type: MusicAlbum
  date published: 2024-08-30
album: Baby
  type: MusicAlbum
  date published: 2024-12-13
  track: Baby
    type: MusicRecording
    duration: PT2M36S
    duration ms: 156000
    explicit: false
    by artist: Lastnerd
    in album: Baby
      type: MusicAlbum
      date published: 2024-12-13
    isrc code: TCAJB2454558
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T20:49:45+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x26aab502ae996a1a71a9c052f830e3f717453fe0d7eb6e77160ad87d376ddb04
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956856
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956856
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJB2454558
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T01:25:57Z
    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 0x26aab502ae996a1a71a9c052f830e3f717453fe0d7eb6e77160ad87d376ddb04. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/TCAJB2454558.
      date published: 2026-07-06T01:25:57Z
    audio: Baby
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 130.03
      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: 0.727
      additional property: Energy
        type: PropertyValue
        value: 0.851
      additional property: Speechiness
        type: PropertyValue
        value: 0.065
      additional property: Acousticness
        type: PropertyValue
        value: 0.036
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.011
      additional property: Liveness
        type: PropertyValue
        value: 0.097
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.53
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.92
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Protect Me
  type: MusicAlbum
  date published: 2025-01-17
album: Come Over
  type: MusicAlbum
  date published: 2025-02-21
album: Come Over
  type: MusicAlbum
  date published: 2025-02-21
album: Protect Me
  type: MusicAlbum
  date published: 2025-03-21
album: Pirouette
  type: MusicAlbum
  date published: 2025-06-27
album: Shine
  type: MusicAlbum
  date published: 2025-07-18
album: Isolation
  type: MusicAlbum
  date published: 2025-07-18
album: Isolation
  type: MusicAlbum
  date published: 2025-07-18
album: Wasted
  type: MusicAlbum
  date published: 2025-08-29
album: Gone
  type: MusicAlbum
  date published: 2025-10-10
album: good 4 me
  type: MusicAlbum
  date published: 2025-11-13