遠坂めぐ
type: MusicGroup
popularity: 21
followers: 4378
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7515072c6db7bc888004c4eb21fea6795e64c13cdb5d4bc4b70fd00bd1c0252b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b9aa21ce-849d-42ba-97c5-384d2e3232b6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b9aa21ce-849d-42ba-97c5-384d2e3232b6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b9aa21ce-849d-42ba-97c5-384d2e3232b6
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
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  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7515072c6db7bc888004c4eb21fea6795e64c13cdb5d4bc4b70fd00bd1c0252b. 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/b9aa21ce-849d-42ba-97c5-384d2e3232b6.json and https://artists.proofprofile.net/proofs/artist/b9aa21ce-849d-42ba-97c5-384d2e3232b6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: うすしお
  type: MusicAlbum
  date published: 2020-08-11
album: 新曲
  type: MusicAlbum
  date published: 2020-12-24
album: 5時半過ぎの音楽室で
  type: MusicAlbum
  date published: 2021-03-26
album: 恋人はシンガーソングライター
  type: MusicAlbum
  date published: 2021-07-09
album: Instant Originality
  type: MusicAlbum
  date published: 2022-07-30
album: インスタントオリジナリティ
  type: MusicAlbum
  date published: 2022-07-30
album: 真夏のパラドックス
  type: MusicAlbum
  date published: 2023-07-29
album: Midsummer Paradox
  type: MusicAlbum
  date published: 2023-07-29
album: もうすぐ花火はじまるよ
  type: MusicAlbum
  date published: 2023-08-04
album: Fireworks will start soon
  type: MusicAlbum
  date published: 2023-08-04
album: もうすぐ花火はじまるよ
  type: MusicAlbum
  date published: 2023-08-04
album: Enlightened Generation
  type: MusicAlbum
  date published: 2023-10-13
album: さとり世代
  type: MusicAlbum
  date published: 2023-10-13
album: タイトル未定
  type: MusicAlbum
  date published: 2023-11-13
album: Title TBD
  type: MusicAlbum
  date published: 2023-11-13
album: Because I'll See You Tomorrow
  type: MusicAlbum
  date published: 2024-01-13
album: 明日君に会えるせいだ
  type: MusicAlbum
  date published: 2024-01-13
album: 明日君に会えるせいだ
  type: MusicAlbum
  date published: 2024-01-13
  track: 明日君に会えるせいだ
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    duration: PT4M30S
    duration ms: 270306
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    by artist: 遠坂めぐ
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      type: MusicAlbum
      date published: 2024-01-13
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    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
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    additional property: CopyrightChainExplorerURL
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    additional property: OTSBitcoinBlock
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      type: PropertyValue
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      type: PropertyValue
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T02:58:58Z
    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 0xfd6da7d00fe36710c06c7340529c1c4a5c1a4349632d9db7962a6e3b9d0f91a0. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/TCJPY2357567.
      date published: 2026-07-18T02:58:58Z
    audio: 明日君に会えるせいだ
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        type: PropertyValue
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      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.622
      additional property: Energy
        type: PropertyValue
        value: 0.88
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.047
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.192
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.753
      additional property: Loudness (dB)
        type: PropertyValue
        value: -2.738
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Pierce
  type: MusicAlbum
  date published: 2024-03-09
album: ピアス
  type: MusicAlbum
  date published: 2024-03-09
album: 私が結婚するまでは
  type: MusicAlbum
  date published: 2024-06-08
album: キレハシズム
  type: MusicAlbum
  date published: 2024-10-10
  track: 明日君に会えるせいだ
    type: MusicRecording
    duration: PT4M30S
    duration ms: 270306
    explicit: false
    by artist: 遠坂めぐ
    in album: キレハシズム
      type: MusicAlbum
      date published: 2024-10-10
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    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: 明日君に会えるせいだ
album: 72点のエトセトラ
album: Etcetera About 72 Points
album: 頑張れ 〜悔いなき人生〜
album: Fight ~A life without regrets~

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0xfd6da7d00fe36710c06c7340529c1c4a5c1a4349632d9db7962a6e3b9d0f91a0

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 958444

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958444

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPY2357567

OTSTimestamp
type: PropertyValue
value: 2026-07-17T19:12:23Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd6da7d00fe36710c06c7340529c1c4a5c1a4349632d9db7962a6e3b9d0f91a0. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/TCJPY2357567.
date published: 2026-07-17T19:12:23Z

明日君に会えるせいだ
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 137.007
additional property: Musical Key
  type: PropertyValue
  value: 5
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.622
additional property: Energy
  type: PropertyValue
  value: 0.88
additional property: Speechiness
  type: PropertyValue
  value: 0.033
additional property: Acousticness
  type: PropertyValue
  value: 0.046
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.158
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.755
additional property: Loudness (dB)
  type: PropertyValue
  value: -2.721
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Major

72点のエトセトラ
type: MusicAlbum
date published: 2025-04-12
track: 72点のエトセトラ (feat. withBrass)
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207972
  explicit: false
  by artist: 遠坂めぐ
  in album: 72点のエトセトラ
    type: MusicAlbum
    date published: 2025-04-12
  isrc code: TCJPF2595617
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T16:21:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x53d38e2f91629c3a6dda3199a58207b514e17ec18885befd77ee1db8adbbc51e
  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/TCJPF2595617
  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 0x53d38e2f91629c3a6dda3199a58207b514e17ec18885befd77ee1db8adbbc51e. 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/TCJPF2595617.
    date published: 2026-07-17T16:42:22Z
  audio: 72点のエトセトラ (feat. withBrass)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.545
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.613
    additional property: Energy
      type: PropertyValue
      value: 0.933
    additional property: Speechiness
      type: PropertyValue
      value: 0.116
    additional property: Acousticness
      type: PropertyValue
      value: 0.298
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.26
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.69
    additional property: Loudness (dB)
      type: PropertyValue
      value: -1.867
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major

Etcetera About 72 Points
type: MusicAlbum
date published: 2025-04-12

頑張れ 〜悔いなき人生〜
type: MusicAlbum
date published: 2025-08-24

Fight ~A life without regrets~
type: MusicAlbum
date published: 2025-08-24