May Forth
type: MusicGroup
genre: melodic hardcore
popularity: 20
followers: 1799
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0385ca04de3a89ccf317630a4d6fe3259c9d81d228f3d7eccc3df080bd582342
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953660
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953660
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5555d00e-b4c7-469c-b826-a7c6410426bf.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5555d00e-b4c7-469c-b826-a7c6410426bf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5555d00e-b4c7-469c-b826-a7c6410426bf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T17:20:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0385ca04de3a89ccf317630a4d6fe3259c9d81d228f3d7eccc3df080bd582342","name":"May Forth","registered_at":"2026-06-14T13:20:28Z","symbol":"NIM0465432","token_address":"0xece4e953e350879d66efaaf19e52d4e5bc485908","type":"artist","uuid":"5555d00e-b4c7-469c-b826-a7c6410426bf"}
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 0x0385ca04de3a89ccf317630a4d6fe3259c9d81d228f3d7eccc3df080bd582342. Chain 2 (Bitcoin): anchored in block 953660 (2026-06-14T17:20:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5555d00e-b4c7-469c-b826-a7c6410426bf.json and https://artists.proofprofile.net/proofs/artist/5555d00e-b4c7-469c-b826-a7c6410426bf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T17:20:01Z
  text: {"copyright_id":"0x0385ca04de3a89ccf317630a4d6fe3259c9d81d228f3d7eccc3df080bd582342","name":"May Forth","registered_at":"2026-06-14T13:20:28Z","symbol":"NIM0465432","token_address":"0xece4e953e350879d66efaaf19e52d4e5bc485908","type":"artist","uuid":"5555d00e-b4c7-469c-b826-a7c6410426bf"}
album: ニコマコス
  type: MusicAlbum
  date published: 2023-04-19
album: Nicomachos
  type: MusicAlbum
  date published: 2023-04-19
album: Centripetal
  type: MusicAlbum
  date published: 2023-05-10
  track: 空想天国
    type: MusicRecording
    duration: PT4M10S
    duration ms: 250133
    explicit: false
    by artist: May Forth
    in album: Centripetal
      type: MusicAlbum
      date published: 2023-05-10
    genre: melodic hardcore
    isrc code: JPA962380061
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T12:48:46+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x645ac4f0168da25d62789d1e6fc6436f0ad3f7ea25d6db39182a027751ac917e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958300
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958300
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPA962380061
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T16:14:30Z
    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 0x645ac4f0168da25d62789d1e6fc6436f0ad3f7ea25d6db39182a027751ac917e. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/JPA962380061.
      date published: 2026-07-16T16:14:30Z
    audio: 空想天国
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 95.023
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.495
      additional property: Energy
        type: PropertyValue
        value: 0.912
      additional property: Speechiness
        type: PropertyValue
        value: 0.04
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.004
      additional property: Liveness
        type: PropertyValue
        value: 0.051
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.526
      additional property: Loudness (dB)
        type: PropertyValue
        value: -2.358
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: 黄金郷
    type: MusicRecording
    duration: PT3M34S
    duration ms: 214506
    explicit: false
    by artist: May Forth
    in album: Centripetal
      type: MusicAlbum
      date published: 2023-05-10
    genre: melodic hardcore
    isrc code: JPA962380062
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-12T23:31:09+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1bd5cb03fb4492f13d6551bc2cd98c1427b117c900116142cde7cdf0e78ceb4e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957774
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957774
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPA962380062
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-12T23:51:20Z
    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 0x1bd5cb03fb4492f13d6551bc2cd98c1427b117c900116142cde7cdf0e78ceb4e. Chain 2 (Bitcoin): anchored in block 957774 (2026-07-12T23:51:20Z), 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/JPA962380062.
      date published: 2026-07-12T23:51:20Z
    audio: 黄金郷
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 96.437
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.4
      additional property: Energy
        type: PropertyValue
        value: 0.982
      additional property: Speechiness
        type: PropertyValue
        value: 0.109
      additional property: Acousticness
        type: PropertyValue
        value: 0.011
      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
  track: ニコマコス
album: 竜の落とし子
album: Seahorse
album: 月のセレナーデ
album: Serenade of moon
album: Germination
album: Angelic town
album: 天使が住んだ町
album: Wind of summer color
album: 夏色の風
album: Pilgrims

Liveness
type: PropertyValue
value: 0.025

Valence (Positivity)
type: PropertyValue
value: 0.446

Loudness (dB)
type: PropertyValue
value: -1.735

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

ニコマコス
type: MusicRecording
duration: PT3M4S
duration ms: 184013
explicit: false
by artist: May Forth
in album: Centripetal
  type: MusicAlbum
  date published: 2023-05-10
genre: melodic hardcore
isrc code: JPA962380063
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T18:52:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x906e73cd08d5098a005936121c77e33d49a33778a9533ab30ea20934a70d2ba5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958448
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPA962380063
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T19:49:21Z
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 0x906e73cd08d5098a005936121c77e33d49a33778a9533ab30ea20934a70d2ba5. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/JPA962380063.
  date published: 2026-07-17T19:49:21Z
audio: ニコマコス
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.028
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.488
  additional property: Energy
    type: PropertyValue
    value: 0.987
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.001
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.406
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.572
  additional property: Loudness (dB)
    type: PropertyValue
    value: -1.431
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Centripetal
type: MusicAlbum
date published: 2023-05-10

竜の落とし子
type: MusicAlbum
date published: 2023-11-29
track: 竜の落とし子
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208977
  explicit: false
  by artist: May Forth
  in album: 竜の落とし子
    type: MusicAlbum
    date published: 2023-11-29
  genre: melodic hardcore
  isrc code: JPA962380322
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T08:20:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa0d51de10b2f57142866dcd1a25bfa9839291e5e8c0fd7a9d9b0f56dc27bd500
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958526
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958526
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPA962380322
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T09:09:53Z
  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 0xa0d51de10b2f57142866dcd1a25bfa9839291e5e8c0fd7a9d9b0f56dc27bd500. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/JPA962380322.
    date published: 2026-07-18T09:09:53Z
  audio: 竜の落とし子
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 110.021
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.484
    additional property: Energy
      type: PropertyValue
      value: 0.984
    additional property: Speechiness
      type: PropertyValue
      value: 0.101
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.002
    additional property: Liveness
      type: PropertyValue
      value: 0.362
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.305
    additional property: Loudness (dB)
      type: PropertyValue
      value: -0.705
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Seahorse
type: MusicAlbum
date published: 2023-11-29

月のセレナーデ
type: MusicAlbum
date published: 2024-07-17
track: 月のセレナーデ
  type: MusicRecording
  duration: PT1M35S
  duration ms: 95689
  explicit: false
  by artist: May Forth
  in album: 月のセレナーデ
    type: MusicAlbum
    date published: 2024-07-17
  genre: melodic hardcore
  isrc code: JPA962480168
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-02T22:02:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5972c3ebe065f1fba85a5703ea1c4666321a378bfd64a3d57069715980e9e0c8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956420
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956420
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPA962480168
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T00:42:11Z
  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 0x5972c3ebe065f1fba85a5703ea1c4666321a378bfd64a3d57069715980e9e0c8. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/JPA962480168.
    date published: 2026-07-03T00:42:11Z
  audio: 月のセレナーデ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 115.915
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.543
    additional property: Energy
      type: PropertyValue
      value: 0.995
    additional property: Speechiness
      type: PropertyValue
      value: 0.142
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.123
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.081
    additional property: Loudness (dB)
      type: PropertyValue
      value: -0.879
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Serenade of moon
type: MusicAlbum
date published: 2024-07-17

Germination
type: MusicAlbum
date published: 2024-09-18
track: 新しい国
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185769
  explicit: false
  by artist: May Forth
  in album: Germination
    type: MusicAlbum
    date published: 2024-09-18
  genre: melodic hardcore
  isrc code: JPA962480165
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T13:13:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x15f9397341a4de9acf21c5fe835fe754d36cea6bb78c0778c4bab858591fb912
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956551
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956551
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPA962480165
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T21:18:05Z
  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 0x15f9397341a4de9acf21c5fe835fe754d36cea6bb78c0778c4bab858591fb912. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/JPA962480165.
    date published: 2026-07-03T21:18:05Z
  audio: 新しい国
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 103.965
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.257
    additional property: Energy
      type: PropertyValue
      value: 0.94
    additional property: Speechiness
      type: PropertyValue
      value: 0.066
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.066
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track: 夏色の楽園
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPA962480166
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T07:25:01Z
  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 0x2b72317a13c69f5c99d01618fb76a293e490a71c9cb3544407b94d06b79d1f4e. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T07:25:01Z), 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/JPA962480166.
    date published: 2026-07-16T07:25:01Z
  audio: 夏色の楽園
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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track: 銀河鉄道太陽線
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  by artist: May Forth
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    value: https://blockstream.info/api/block-height/958300
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 銀河鉄道太陽線
track: 君は夕焼けのようで始まりに似ている。
track: 次回予告

OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPA962480169

OTSTimestamp
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value: 2026-07-16T16:14:30Z

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 0xa593512241cedf6b3970986dcdb7aff61283da43f23e1759ef65c1314d0f9417. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/JPA962480169.
date published: 2026-07-16T16:14:30Z

銀河鉄道太陽線
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additional property: Tempo (BPM)
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additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
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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
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Mode Name
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君は夕焼けのようで始まりに似ている。
type: MusicRecording
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duration ms: 159352
explicit: false
by artist: May Forth
in album: Germination
  type: MusicAlbum
  date published: 2024-09-18
genre: melodic hardcore
isrc code: JPA962480170
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x185c09ba75e98e5d28d910205e48d4db74b840c05d8292a2e2bb197353cc64aa. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T21:36:24Z), 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/JPA962480170.
  date published: 2026-07-15T21:36:24Z
audio: 君は夕焼けのようで始まりに似ている。
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  additional property: Danceability
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  additional property: Instrumentalness
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次回予告
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  date published: 2024-09-18
genre: melodic hardcore
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb12579b1b8ef1d98989d42e8d880fc27740ca1fd8bf599ada051f2098bc80723. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/JPA962480171.
  date published: 2026-07-03T00:42:11Z
audio: 次回予告
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Germination
type: MusicAlbum
date published: 2024-09-18

Angelic town
type: MusicAlbum
date published: 2025-03-19

天使が住んだ町
type: MusicAlbum
date published: 2025-03-19

Wind of summer color
type: MusicAlbum
date published: 2025-09-17

夏色の風
type: MusicAlbum
date published: 2025-09-17

Pilgrims
type: MusicAlbum
date published: 2025-10-22

Pilgrims
type: MusicAlbum
date published: 2025-10-22