Bye-Bye-Handの方程式
type: MusicGroup
genre: japanese indie
genre: j-rock
popularity: 29
followers: 11604
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSCanonicalRecord
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x773960d34714ac9f347d5d703470d25dda174c7902d9df0c934186113bd72cb8. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dde40f25-5228-41d4-9c4a-f12954fd51df.json and https://artists.proofprofile.net/proofs/artist/dde40f25-5228-41d4-9c4a-f12954fd51df.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: Soft Vinyl
  type: MusicAlbum
  date published: 2024-05-22
  track: Swamp
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    by artist: Bye-Bye-Handの方程式
    in album: Soft Vinyl
      type: MusicAlbum
      date published: 2024-05-22
    genre: kansai-indie
    genre: modern-j-rock
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    additional property: CopyrightStatus
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO02400030
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T15:38:35Z
    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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa09cc422687f7dc5b4818d46abbf8eac72a7e4208d75383e3ac21d8f20a4d41. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/JPCO02400030.
      date published: 2026-07-22T15:38:35Z
    audio: Swamp
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Time Signature
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      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
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      additional property: Acousticness
        type: PropertyValue
        value: 0.034
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.318
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.705
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.878
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Romance Express
  type: MusicAlbum
  date published: 2021-03-17
album: Flowers
  type: MusicAlbum
  date published: 2020-09-09
album: Flash Release
  type: MusicAlbum
  date published: 2024-04-24
album: Spring Chance
  type: MusicAlbum
  date published: 2024-02-04
album: Love Hurts
  type: MusicAlbum
  date published: 2023-10-18
album: Darling Rolling
  type: MusicAlbum
  date published: 2023-07-12
album: Kazemachi Toppu Club-EP
  type: MusicAlbum
  date published: 2023-03-15
album: Soft Vinyl Human
  type: MusicAlbum
  date published: 2022-11-23
album: Seiriteki Ni Suki-EP
  type: MusicAlbum
  date published: 2022-05-06
album: Hikari Aumonotachi
  type: MusicAlbum
  date published: 2022-04-27
album: Scoop
  type: MusicAlbum
  date published: 2022-01-19
album: Planetarium / Clumsy Love
  type: MusicAlbum
  date published: 2021-12-05
album: Planetarium
  type: MusicAlbum
  date published: 2021-10-06
album: romance tower
  type: MusicAlbum
  date published: 2021-02-17
album: サカサマデイドリーム
  type: MusicAlbum
  date published: 2022-10-07
  track: サカサマデイドリーム
    type: MusicRecording
    duration: PT4M1S
    duration ms: 241061
    explicit: false
    by artist: 電波無限大
    by artist: Re:name
    by artist: the paddles
    by artist: Bye-Bye-Handの方程式
    by artist: CAT ATE HOTDOGS
    in album: サカサマデイドリーム
      type: MusicAlbum
      date published: 2022-10-07
    popularity: 7
    genre: j-rock
    isrc code: JP92N2258410
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
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    additional property: CopyrightChainExplorerURL
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    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: サカサマデイドリーム

OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956304

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP92N2258410

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7b0f6346aa2eaa4ef541af226d72d080f66125c78cb795f4044b38cbd34ed33. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JP92N2258410.
date published: 2026-07-02T03:55:08Z

サカサマデイドリーム
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 141.839
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.481
additional property: Energy
  type: PropertyValue
  value: 0.962
additional property: Speechiness
  type: PropertyValue
  value: 0.079
additional property: Acousticness
  type: PropertyValue
  value: 0.043
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.098
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.419
additional property: Loudness (dB)
  type: PropertyValue
  value: -6.618
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Major