si-o
type: MusicGroup
genre: vocaloid
popularity: 38
followers: 12009
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb928e4af47e256ec1744b7fbc815acf78c866a0ef2b42706df0d5103a45536aa
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/8d9d0e9d-9792-4577-b4bf-b70975b151d2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8d9d0e9d-9792-4577-b4bf-b70975b151d2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8d9d0e9d-9792-4577-b4bf-b70975b151d2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
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 0xb928e4af47e256ec1744b7fbc815acf78c866a0ef2b42706df0d5103a45536aa. 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/8d9d0e9d-9792-4577-b4bf-b70975b151d2.json and https://artists.proofprofile.net/proofs/artist/8d9d0e9d-9792-4577-b4bf-b70975b151d2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Therefor you and me
  type: MusicAlbum
  date published: 2021-10-13
album: Tadano Best
  type: MusicAlbum
  date published: 2022-10-13
  track: Alkali seijin
    type: MusicRecording
    duration: PT3M48S
    duration ms: 228112
    explicit: false
    by artist: si-o
    in album: Tadano Best
      type: MusicAlbum
      date published: 2022-10-13
    genre: vocaloid
    isrc code: TCJPT2235626
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf5d1cc4bb009ffb12c69bbbda68c34b94758edd43862b03c43b98fa086df791b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958625
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958625
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPT2235626
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T23:11:57Z
    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 0xf5d1cc4bb009ffb12c69bbbda68c34b94758edd43862b03c43b98fa086df791b. Chain 2 (Bitcoin): anchored in block 958625 (2026-07-18T23:11:57Z), 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/TCJPT2235626.
      date published: 2026-07-18T23:11:57Z
    audio: Alkali seijin
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 110.048
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.547
      additional property: Energy
        type: PropertyValue
        value: 0.841
      additional property: Speechiness
        type: PropertyValue
        value: 0.044
      additional property: Acousticness
        type: PropertyValue
        value: 0.04
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.315
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.578
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.803
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Teiteishinjae
    type: MusicRecording
    duration: PT3M41S
    duration ms: 221425
    explicit: false
    by artist: si-o
    in album: Tadano Best
      type: MusicAlbum
      date published: 2022-10-13
    genre: vocaloid
    isrc code: TCJPT2235613
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T06:17:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7c6f915e8b7ff5930074346c33cadd136593816acb63bcafb68c11cc380862bd
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958510
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958510
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPT2235613
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T06:38:22Z
    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 0x7c6f915e8b7ff5930074346c33cadd136593816acb63bcafb68c11cc380862bd. Chain 2 (Bitcoin): anchored in block 958510 (2026-07-18T06:38:22Z), 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/TCJPT2235613.
      date published: 2026-07-18T06:38:22Z
    audio: Teiteishinjae
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 110.017
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.634
      additional property: Energy
        type: PropertyValue
        value: 0.911
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.001
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.001
      additional property: Liveness
        type: PropertyValue
        value: 0.032
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.855
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: ただのベスト
album: So, Slur, Scene
album: そしらしい
album: SentO (feat. Chis-A)
album: SentO (feat. 知声)
album: Gume
album: ぐme
album: アマイ
album: aMay
album: ハルカゼのdddd
album: Harukaze
album: おふとぅん音頭 (:3 [Re] [feat. 初音ミク, 知声 & フリモメン]
album: OFF to ON (:3 [Re] [feat. HATSUNE MIKU, Chis-A & FRIMOMEN]
album: Sen to Sensory: Show me parallel worlds
album: セントセンソリー 並行世界を賞味して

Loudness (dB)
type: PropertyValue
value: -2.828

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Minor

ただのベスト
type: MusicAlbum
date published: 2022-10-13
track: アルカリ成人
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228112
  explicit: false
  by artist: si-o
  in album: ただのベスト
    type: MusicAlbum
    date published: 2022-10-13
  genre: vocaloid
  isrc code: TCJPT2235626
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T21:41:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf5d1cc4bb009ffb12c69bbbda68c34b94758edd43862b03c43b98fa086df791b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957763
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957763
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPT2235626
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T22:01:25Z
  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 0xf5d1cc4bb009ffb12c69bbbda68c34b94758edd43862b03c43b98fa086df791b. Chain 2 (Bitcoin): anchored in block 957763 (2026-07-12T22:01:25Z), 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/TCJPT2235626.
    date published: 2026-07-12T22:01:25Z
  audio: アルカリ成人
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 110.048
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.547
    additional property: Energy
      type: PropertyValue
      value: 0.841
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.04
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.315
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.578
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.803
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Tadano Best
type: MusicAlbum
date published: 2022-10-13

ただのベスト
type: MusicAlbum
date published: 2022-10-13

So, Slur, Scene
type: MusicAlbum
date published: 2023-12-05

そしらしい
type: MusicAlbum
date published: 2023-12-05

SentO (feat. Chis-A)
type: MusicAlbum
date published: 2023-12-06

SentO (feat. 知声)
type: MusicAlbum
date published: 2023-12-06

Gume
type: MusicAlbum
date published: 2024-05-01

ぐme
type: MusicAlbum
date published: 2024-05-01

アマイ
type: MusicAlbum
date published: 2024-10-11

aMay
type: MusicAlbum
date published: 2024-10-11

ハルカゼのdddd
type: MusicAlbum
date published: 2024-10-12

aMay
type: MusicAlbum
date published: 2024-10-12

Harukaze
type: MusicAlbum
date published: 2024-10-12

アマイ
type: MusicAlbum
date published: 2024-10-12

おふとぅん音頭 (:3 [Re] [feat. 初音ミク, 知声 & フリモメン]
type: MusicAlbum
date published: 2025-03-08

OFF to ON (:3 [Re] [feat. HATSUNE MIKU, Chis-A & FRIMOMEN]
type: MusicAlbum
date published: 2025-03-08

Sen to Sensory: Show me parallel worlds
type: MusicAlbum
date published: 2025-08-01

セントセンソリー 並行世界を賞味して
type: MusicAlbum
date published: 2025-08-01