秋野桜
type: MusicGroup
popularity: 27
followers: 738
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4cced4ca8ec4877bad306eb389c7ec5f52d28b8b51d812e83aed9eb7511554dd
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/2a39cd07-7c3b-43b3-b01d-ab696b23a59d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2a39cd07-7c3b-43b3-b01d-ab696b23a59d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2a39cd07-7c3b-43b3-b01d-ab696b23a59d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4cced4ca8ec4877bad306eb389c7ec5f52d28b8b51d812e83aed9eb7511554dd","name":"秋野桜","registered_at":"2026-06-11T14:55:38Z","symbol":"NIM0055658","token_address":"0x400ceea1ef375edaa9a582bf7451b44cbc595951","type":"artist","uuid":"2a39cd07-7c3b-43b3-b01d-ab696b23a59d"}
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 0x4cced4ca8ec4877bad306eb389c7ec5f52d28b8b51d812e83aed9eb7511554dd. 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/2a39cd07-7c3b-43b3-b01d-ab696b23a59d.json and https://artists.proofprofile.net/proofs/artist/2a39cd07-7c3b-43b3-b01d-ab696b23a59d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x4cced4ca8ec4877bad306eb389c7ec5f52d28b8b51d812e83aed9eb7511554dd","name":"秋野桜","registered_at":"2026-06-11T14:55:38Z","symbol":"NIM0055658","token_address":"0x400ceea1ef375edaa9a582bf7451b44cbc595951","type":"artist","uuid":"2a39cd07-7c3b-43b3-b01d-ab696b23a59d"}
album: 1-800-273-8255
  type: MusicAlbum
  date published: 2021-12-13
album: 葬花
  type: MusicAlbum
  date published: 2022-07-21
  track: 葬花
    type: MusicRecording
    duration: PT2M10S
    duration ms: 130351
    explicit: false
    by artist: 秋野桜
    in album: 葬花
      type: MusicAlbum
      date published: 2022-07-21
    isrc code: HKD012305698
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T20:41:00+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xea4be9686b1e784aeb79341814ca3b7d043bd1cfeec4f53c8dc65dd53171db1d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958325
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958325
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKD012305698
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T23:43:14Z
    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 0xea4be9686b1e784aeb79341814ca3b7d043bd1cfeec4f53c8dc65dd53171db1d. Chain 2 (Bitcoin): anchored in block 958325 (2026-07-16T23:43:14Z), 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/HKD012305698.
      date published: 2026-07-16T23:43:14Z
    audio: 葬花
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 180.032
      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: 0.525
      additional property: Energy
        type: PropertyValue
        value: 0.07
      additional property: Speechiness
        type: PropertyValue
        value: 0.036
      additional property: Acousticness
        type: PropertyValue
        value: 0.993
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.987
      additional property: Liveness
        type: PropertyValue
        value: 0.109
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.574
      additional property: Loudness (dB)
        type: PropertyValue
        value: -26.322
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: 葬花
  type: MusicAlbum
  date published: 2022-07-21
album: Time Stop
  type: MusicAlbum
  date published: 2023-03-17
  track: Time Stop
    type: MusicRecording
    duration: PT3M13S
    duration ms: 193627
    explicit: false
    by artist: 秋野桜
    in album: Time Stop
      type: MusicAlbum
      date published: 2023-03-17
    isrc code: HKG731650548
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-14T21:44:12+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe809af03d64e70909b5fcb56b756ec5fb8fd14372541055f3060f8f7c84265df
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958074
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958074
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKG731650548
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-14T22:45:25Z
    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 0xe809af03d64e70909b5fcb56b756ec5fb8fd14372541055f3060f8f7c84265df. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/HKG731650548.
      date published: 2026-07-14T22:45:25Z
    audio: Time Stop
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 138.713
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.457
      additional property: Energy
        type: PropertyValue
        value: 0.238
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.959
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.87
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Firefly Tour
album: Rebirth
album: 盛装游行
album: summer

Liveness
type: PropertyValue
value: 0.132

Valence (Positivity)
type: PropertyValue
value: 0.526

Loudness (dB)
type: PropertyValue
value: -21.193

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Major

Time Stop
type: MusicAlbum
date published: 2023-03-17

Firefly Tour
type: MusicAlbum
date published: 2023-03-19

Rebirth
type: MusicAlbum
date published: 2023-06-25

Rebirth
type: MusicAlbum
date published: 2023-06-25
track: 开往春天的地铁
  type: MusicRecording
  duration: PT4M0S
  duration ms: 240724
  explicit: false
  by artist: 秋野桜
  in album: Rebirth
    type: MusicAlbum
    date published: 2023-06-25
  isrc code: HKG731596982
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T01:31:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf1bebba3a81d9fa090def6348a321e4f1e9b04956b2497bc6ea7f64feb581e29
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956474
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956474
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKG731596982
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T08:56:35Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1bebba3a81d9fa090def6348a321e4f1e9b04956b2497bc6ea7f64feb581e29. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/HKG731596982.
    date published: 2026-07-03T08:56:35Z
  audio: 开往春天的地铁
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 150.553
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.377
    additional property: Energy
      type: PropertyValue
      value: 0.362
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.734
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.846
    additional property: Liveness
      type: PropertyValue
      value: 0.116
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.125
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.671
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Echo over You...
  type: MusicRecording
  duration: PT2M32S
  duration ms: 152095
  explicit: false
  by artist: 秋野桜
  in album: Rebirth
    type: MusicAlbum
    date published: 2023-06-25
  isrc code: HKG731597077
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T12:16:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x16cd945018efa741fca77a5b259ba8442f11f5840f3797c48e08ee11890f838d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKG731597077
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  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 0x16cd945018efa741fca77a5b259ba8442f11f5840f3797c48e08ee11890f838d. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/HKG731597077.
    date published: 2026-07-05T01:12:41Z
  audio: Echo over You...
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 101.046
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.539
    additional property: Energy
      type: PropertyValue
      value: 0.265
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.99
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.889
    additional property: Liveness
      type: PropertyValue
      value: 0.107
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.573
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.05
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

盛装游行
type: MusicAlbum
date published: 2024-03-26

summer
type: MusicAlbum
date published: 2024-03-26