Jusqu'a Grand-pere
type: MusicGroup
genre: japanese classical
popularity: 11
followers: 1038
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x37521f68d18b9b725c49a170b889efa178d8382169ef5418b647614472eb5867
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953742
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953742
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8e74f9ef-8855-4da2-8441-431064e61958.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8e74f9ef-8855-4da2-8441-431064e61958.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8e74f9ef-8855-4da2-8441-431064e61958
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:47:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x37521f68d18b9b725c49a170b889efa178d8382169ef5418b647614472eb5867","name":"Jusqu'a Grand-pere","registered_at":"2026-06-14T19:27:44Z","symbol":"NIM0553024","token_address":"0xc20a6958241f7fbbb30098671ba12aaaac5c7fa4","type":"artist","uuid":"8e74f9ef-8855-4da2-8441-431064e61958"}
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 0x37521f68d18b9b725c49a170b889efa178d8382169ef5418b647614472eb5867. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8e74f9ef-8855-4da2-8441-431064e61958.json and https://artists.proofprofile.net/proofs/artist/8e74f9ef-8855-4da2-8441-431064e61958.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:47:56Z
  text: {"copyright_id":"0x37521f68d18b9b725c49a170b889efa178d8382169ef5418b647614472eb5867","name":"Jusqu'a Grand-pere","registered_at":"2026-06-14T19:27:44Z","symbol":"NIM0553024","token_address":"0xc20a6958241f7fbbb30098671ba12aaaac5c7fa4","type":"artist","uuid":"8e74f9ef-8855-4da2-8441-431064e61958"}
album: 千年の戀
  type: MusicAlbum
  date published: 2012-03-28
  track: 桜道
    type: MusicRecording
    duration: PT3M58S
    duration ms: 238106
    explicit: false
    by artist: Jusqu'a Grand-pere
    in album: 千年の戀
      type: MusicAlbum
      date published: 2012-03-28
    genre: japanese classical
    isrc code: JPL801208001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T08:38:34+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x120d64828876c3839cc60a47c0917e156e7d1dd07acfd6b69cdc1df2ab989fc8
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956484
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956484
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPL801208001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T10:47:44Z
    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 0x120d64828876c3839cc60a47c0917e156e7d1dd07acfd6b69cdc1df2ab989fc8. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/JPL801208001.
      date published: 2026-07-03T10:47:44Z
    audio: 桜道
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 132.899
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.505
      additional property: Energy
        type: PropertyValue
        value: 0.361
      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
        type: PropertyValue
        value: 0.773
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.219
      additional property: Liveness
        type: PropertyValue
        value: 0.088
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.35
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.581
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: 2-deux-
  type: MusicAlbum
  date published: 2014-09-03
album: 2-deux-
  type: MusicAlbum
  date published: 2014-09-03
  track: Auspicious sign
    type: MusicRecording
    duration: PT2M18S
    duration ms: 138600
    explicit: false
    by artist: Jusqu'a Grand-pere
    in album: 2-deux-
      type: MusicAlbum
      date published: 2014-09-03
    genre: japanese classical
    isrc code: JPZ921408620
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T21:08:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa1f19b3512c1ef6771a5b24c8e4fcc85b4ba5cf6e6705a6be8fd42dddb367100
    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/JPZ921408620
    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 0xa1f19b3512c1ef6771a5b24c8e4fcc85b4ba5cf6e6705a6be8fd42dddb367100. 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/JPZ921408620.
      date published: 2026-07-04T10:04:33Z
    audio: Auspicious sign
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 179.297
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.45
      additional property: Energy
        type: PropertyValue
        value: 0.282
      additional property: Speechiness
        type: PropertyValue
        value: 0.036
      additional property: Acousticness
        type: PropertyValue
        value: 0.904
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.172
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: 夢桜 ～愛しき桜、愛おし桜～
album: MIDNIGHT STROLL
album: The Forest
album: home 赤盤 (Live)
album: home 青盤 (Live)
album: home (red) [Live]
album: home (blue) [Live]

Liveness
type: PropertyValue
value: 0.325

Valence (Positivity)
type: PropertyValue
value: 0.631

Loudness (dB)
type: PropertyValue
value: -5.617

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

夢桜 ～愛しき桜、愛おし桜～
type: MusicRecording
duration: PT5M23S
duration ms: 323000
explicit: false
by artist: Jusqu'a Grand-pere
in album: 2-deux-
  type: MusicAlbum
  date published: 2014-09-03
genre: japanese classical
isrc code: JPZ921408633
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T15:57:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2482d1b317e37717f1bd6eb3326b5c88443fa5bf7c628e03c606e2cc9a2ca2bf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958436
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958436
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ921408633
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T16:42:22Z
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 0x2482d1b317e37717f1bd6eb3326b5c88443fa5bf7c628e03c606e2cc9a2ca2bf. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/JPZ921408633.
  date published: 2026-07-17T16:42:22Z
audio: 夢桜 ～愛しき桜、愛おし桜～
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.944
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.483
  additional property: Energy
    type: PropertyValue
    value: 0.371
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.928
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.564
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.224
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.227
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

MIDNIGHT STROLL
type: MusicAlbum
date published: 2017-09-20

MIDNIGHT STROLL
type: MusicAlbum
date published: 2017-09-20

The Forest
type: MusicAlbum
date published: 2019-12-14

The Forest
type: MusicAlbum
date published: 2019-12-14

home 赤盤 (Live)
type: MusicAlbum
date published: 2021-10-13

home 青盤 (Live)
type: MusicAlbum
date published: 2021-10-13

home (red) [Live]
type: MusicAlbum
date published: 2021-10-13

home (blue) [Live]
type: MusicAlbum
date published: 2021-10-13