初恋Eternal
type: MusicGroup
popularity: 2
followers: 66
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc8224f3212ec25a0997c3a0a34d9e884e9b147f8cb9fa9f55cff80d1baeaf64e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953976
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953976
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2bd18d1f-2329-4add-bd3e-4e49667ec99f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2bd18d1f-2329-4add-bd3e-4e49667ec99f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2bd18d1f-2329-4add-bd3e-4e49667ec99f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T16:55:36Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc8224f3212ec25a0997c3a0a34d9e884e9b147f8cb9fa9f55cff80d1baeaf64e","name":"初恋Eternal","registered_at":"2026-06-16T04:47:06Z","symbol":"NIM0941938","token_address":"0xa1ef6546153ad52c5839ca4f4ac716cad887778d","type":"artist","uuid":"2bd18d1f-2329-4add-bd3e-4e49667ec99f"}
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 0xc8224f3212ec25a0997c3a0a34d9e884e9b147f8cb9fa9f55cff80d1baeaf64e. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2bd18d1f-2329-4add-bd3e-4e49667ec99f.json and https://artists.proofprofile.net/proofs/artist/2bd18d1f-2329-4add-bd3e-4e49667ec99f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
  text: {"copyright_id":"0xc8224f3212ec25a0997c3a0a34d9e884e9b147f8cb9fa9f55cff80d1baeaf64e","name":"初恋Eternal","registered_at":"2026-06-16T04:47:06Z","symbol":"NIM0941938","token_address":"0xa1ef6546153ad52c5839ca4f4ac716cad887778d","type":"artist","uuid":"2bd18d1f-2329-4add-bd3e-4e49667ec99f"}
album: 初恋♥︎エモーション
  type: MusicAlbum
  date published: 2023-02-12
  track: 初恋♥エモーション
    type: MusicRecording
    duration: PT3M51S
    duration ms: 231488
    explicit: false
    by artist: 初恋Eternal
    in album: 初恋♥︎エモーション
      type: MusicAlbum
      date published: 2023-02-12
    isrc code: TWCT52540469
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T07:44:08+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7230085d690e7b1cd4820796b5381408a9f470e032eecd5907799bdcbd54c49c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958846
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958846
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWCT52540469
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T10:47:13Z
    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 0x7230085d690e7b1cd4820796b5381408a9f470e032eecd5907799bdcbd54c49c. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T10:47:13Z), 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/TWCT52540469.
      date published: 2026-07-20T10:47:13Z
    audio: 初恋♥エモーション
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 178.11
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.468
      additional property: Energy
        type: PropertyValue
        value: 0.952
      additional property: Speechiness
        type: PropertyValue
        value: 0.094
      additional property: Acousticness
        type: PropertyValue
        value: 0.071
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.115
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.375
      additional property: Loudness (dB)
        type: PropertyValue
        value: -2.648
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Realität
  type: MusicAlbum
  date published: 2023-09-01
album: Segnale
  type: MusicAlbum
  date published: 2024-03-05
album: PARTi
  type: MusicAlbum
  date published: 2024-04-06
album: Mémorise
  type: MusicAlbum
  date published: 2024-12-31
  track: Mémorise
    type: MusicRecording
    duration: PT3M57S
    duration ms: 237473
    explicit: false
    by artist: 初恋Eternal
    in album: Mémorise
      type: MusicAlbum
      date published: 2024-12-31
    isrc code: TWCT52540622
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T04:54:12+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x30f0f0a90b2cce3bb64acc3cfe4c4d0ae2618f7f3aa8acdebc595a767a0e5df7
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956790
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956790
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWCT52540622
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T12:31:54Z
    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 0x30f0f0a90b2cce3bb64acc3cfe4c4d0ae2618f7f3aa8acdebc595a767a0e5df7. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/TWCT52540622.
      date published: 2026-07-05T12:31:54Z
    audio: Mémorise
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 95.036
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.58
      additional property: Energy
        type: PropertyValue
        value: 0.946
      additional property: Speechiness
        type: PropertyValue
        value: 0.059
      additional property: Acousticness
        type: PropertyValue
        value: 0.021
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Da Capo
album: Segnale (Mandarin ver.)
album: Mémorise (Mandarin ver.)
album: LOOPER

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.168

Valence (Positivity)
type: PropertyValue
value: 0.542

Loudness (dB)
type: PropertyValue
value: -2.896

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Da Capo
type: MusicAlbum
date published: 2025-03-19

Segnale (Mandarin ver.)
type: MusicAlbum
date published: 2025-05-07

Mémorise (Mandarin ver.)
type: MusicAlbum
date published: 2025-07-16

LOOPER
type: MusicAlbum
date published: 2025-09-17