須賀響子
type: MusicGroup
popularity: 6
followers: 204
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0741754247c83462fcd5d9852fc472a3d79d91cec52ab17d42ccfe6a088bca4c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/de40a83e-69fb-4df9-8f3d-8634cfbf6bbd.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/de40a83e-69fb-4df9-8f3d-8634cfbf6bbd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/de40a83e-69fb-4df9-8f3d-8634cfbf6bbd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0741754247c83462fcd5d9852fc472a3d79d91cec52ab17d42ccfe6a088bca4c","name":"須賀響子","registered_at":"2026-06-21T05:34:42Z","symbol":"NIM1835373","token_address":"0x1ebc5e4fe2f2ef2d8774f47e06a875bd2c6a0384","type":"artist","uuid":"de40a83e-69fb-4df9-8f3d-8634cfbf6bbd"}
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 0x0741754247c83462fcd5d9852fc472a3d79d91cec52ab17d42ccfe6a088bca4c. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/de40a83e-69fb-4df9-8f3d-8634cfbf6bbd.json and https://artists.proofprofile.net/proofs/artist/de40a83e-69fb-4df9-8f3d-8634cfbf6bbd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x0741754247c83462fcd5d9852fc472a3d79d91cec52ab17d42ccfe6a088bca4c","name":"須賀響子","registered_at":"2026-06-21T05:34:42Z","symbol":"NIM1835373","token_address":"0x1ebc5e4fe2f2ef2d8774f47e06a875bd2c6a0384","type":"artist","uuid":"de40a83e-69fb-4df9-8f3d-8634cfbf6bbd"}
album: きっとこれからも
  type: MusicAlbum
  date published: 1994-12-16
album: 冒険
  type: MusicAlbum
  date published: 1995-01-21
album: 近道したい
  type: MusicAlbum
  date published: 1995-06-07
  track: 近道したい
    type: MusicRecording
    duration: PT4M36S
    duration ms: 276166
    explicit: false
    by artist: 須賀響子
    in album: 近道したい
      type: MusicAlbum
      date published: 1995-06-07
    isrc code: JPVI09510150
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T20:40:20+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xec9d8d8f8847adedcaae8871d0a30271a935d8fb047b90da1fbbfba947315727
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958202
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958202
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI09510150
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T23:43:00Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec9d8d8f8847adedcaae8871d0a30271a935d8fb047b90da1fbbfba947315727. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-15T23:43:00Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI09510150.
      date published: 2026-07-15T23:43:00Z
    audio: 近道したい
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 125.18
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.736
      additional property: Energy
        type: PropertyValue
        value: 0.561
      additional property: Speechiness
        type: PropertyValue
        value: 0.027
      additional property: Acousticness
        type: PropertyValue
        value: 0.305
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.074
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.688
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.264
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: 新しいような古いような
  type: MusicAlbum
  date published: 1995-06-21
  track: 近道したい
    type: MusicRecording
    duration: PT4M34S
    duration ms: 274666
    explicit: false
    by artist: 須賀響子
    in album: 新しいような古いような
      type: MusicAlbum
      date published: 1995-06-21
    isrc code: JPVI09510150
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xec9d8d8f8847adedcaae8871d0a30271a935d8fb047b90da1fbbfba947315727
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958931
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958931
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI09510150
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T21:15:01Z
    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 0xec9d8d8f8847adedcaae8871d0a30271a935d8fb047b90da1fbbfba947315727. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/JPVI09510150.
      date published: 2026-07-20T21:15:01Z
    audio: 近道したい
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 125.183
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.741
      additional property: Energy
        type: PropertyValue
        value: 0.555
      additional property: Speechiness
        type: PropertyValue
        value: 0.027
      additional property: Acousticness
        type: PropertyValue
        value: 0.312
      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: LOVE, TWO LOVE
album: LOVE POTION

Liveness
type: PropertyValue
value: 0.087

Valence (Positivity)
type: PropertyValue
value: 0.662

Loudness (dB)
type: PropertyValue
value: -8.299

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

LOVE, TWO LOVE
type: MusicAlbum
date published: 1995-11-22

LOVE POTION
type: MusicAlbum
date published: 1995-12-16