芸能山城組
type: MusicGroup
popularity: 22
followers: 11900
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSVerificationAPI
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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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fb0cecbd831f464f5c6cbbac4dd629fe705fa84392158cff4ab31ac4a41d3bc. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5ea2fcf4-6973-470b-82ef-7fef6cb557b0.json and https://artists.proofprofile.net/proofs/artist/5ea2fcf4-6973-470b-82ef-7fef6cb557b0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
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album: 地の響～東ヨーロッパを歌う
  type: MusicAlbum
  date published: 1977
album: Yamato Gensho
  type: MusicAlbum
  date published: 1977
album: 恐山／銅之剣舞
  type: MusicAlbum
  date published: 1977
album: Osorezan / Do no Kenbai
  type: MusicAlbum
  date published: 1977
album: Chi no Hibiki - Higashi Europe o Utau
  type: MusicAlbum
  date published: 1977
album: やまと幻唱
  type: MusicAlbum
  date published: 1977
album: Ogon Rinsanyo
  type: MusicAlbum
  date published: 1978
album: 黄金鱗讃揚
  type: MusicAlbum
  date published: 1978
album: GEINOH YAMASHIROGUMI Live - "Hirakareta Gassho" Junen no Tenkai
  type: MusicAlbum
  date published: 1979
album: 芸能山城組ライブ～”開かれた合唱”十年の展開
  type: MusicAlbum
  date published: 1979
album: Shonentachi eno Chikyusanka
  type: MusicAlbum
  date published: 1979
album: 少年達への地球讃歌
  type: MusicAlbum
  date published: 1979
album: アフリカ幻唱
  type: MusicAlbum
  date published: 1982
album: Africa Gensho
  type: MusicAlbum
  date published: 1982
album: Ecophony Rinne
  type: MusicAlbum
  date published: 1986
  track: Ecophony Rinne 1. Primordial Germination
    type: MusicRecording
    duration: PT11M49S
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    by artist: 芸能山城組
    in album: Ecophony Rinne
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      date published: 1986
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      date published: 2026-07-04T02:06:47Z
    audio: Ecophony Rinne 1. Primordial Germination
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      additional property: Loudness (dB)
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  track: Ecophony Rinne 3. Dark Slumber
    type: MusicRecording
    duration: PT5M11S
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    by artist: 芸能山城組
    in album: Ecophony Rinne
      type: MusicAlbum
      date published: 1986
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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
    audio: Ecophony Rinne 3. Dark Slumber
  track: Ecophony Rinne 4. Reincarnation
album: 輪廻交響楽
album: Kaneda (From Akira Symphonic Suite Original Motion Picture Soundtrack)
album: 翠星交響楽
album: Ecophony Gaia
album: 芸能山城組入門
album: GEINOH YAMASHIROGUMI Nyumon
album: Silkroad Gensho
album: シルクロード幻唱
album: Kaneda (from "AKIRA Symphonic Suite")
album: Kaneda (From "Akira Symphonic Suite")
album: Mutation (Neoform Mashup)
album: AKIRA REMIX

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44ff2da4c0db219c43a6cd9dbadac0d92f3b85a63529689e88ff6ad6203eaf22. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/JPVI08606620.
date published: 2026-07-19T07:14:39Z

Ecophony Rinne 3. Dark Slumber
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 94.706
additional property: Musical Key
  type: PropertyValue
  value: 3
additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
  type: PropertyValue
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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
  type: PropertyValue
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additional property: Valence (Positivity)
  type: PropertyValue
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additional property: Loudness (dB)
  type: PropertyValue
  value: -16.502
additional property: Key Name
  type: PropertyValue
  value: Eb
additional property: Mode Name
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Ecophony Rinne 4. Reincarnation
type: MusicRecording
duration: PT13M38S
duration ms: 818000
explicit: false
by artist: 芸能山城組
in album: Ecophony Rinne
  type: MusicAlbum
  date published: 1986
isrc code: JPVI08606630
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-07-17T00:51:54Z
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 0xd550a548c2d018f5c0aadfddf53e1c7486acc78abd568bb04c58ea981d760fb0. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:51:54Z), 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/JPVI08606630.
  date published: 2026-07-17T00:51:54Z
audio: Ecophony Rinne 4. Reincarnation
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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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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    type: PropertyValue
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  additional property: Valence (Positivity)
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輪廻交響楽
type: MusicAlbum
date published: 1986

Kaneda (From Akira Symphonic Suite Original Motion Picture Soundtrack)
type: MusicAlbum
date published: 1988

翠星交響楽
type: MusicAlbum
date published: 1990

Ecophony Gaia
type: MusicAlbum
date published: 1990
track: Ecophony Gaia 1.Reimei [Prologue] (Chaos)
  type: MusicRecording
  duration: PT13M58S
  duration ms: 838900
  explicit: false
  by artist: 芸能山城組
  in album: Ecophony Gaia
    type: MusicAlbum
    date published: 1990
  isrc code: JPVI09017310
  additional property: CopyrightID
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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    value: 2026-07-06T02:10:22Z
  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 0x86d892fc4a525cba63795be952689c54156f3de9a6bc08502f271b9f2e736317. Chain 2 (Bitcoin): anchored in block 956862 (2026-07-06T02:10:22Z), 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/JPVI09017310.
    date published: 2026-07-06T02:10:22Z
  audio: Ecophony Gaia 1.Reimei [Prologue] (Chaos)
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    additional property: Tempo (BPM)
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芸能山城組入門
type: MusicAlbum
date published: 1994-10-21

GEINOH YAMASHIROGUMI Nyumon
type: MusicAlbum
date published: 1994-10-21

Silkroad Gensho
type: MusicAlbum
date published: 1994-10-21

シルクロード幻唱
type: MusicAlbum
date published: 1994-10-21

Kaneda (from "AKIRA Symphonic Suite")
type: MusicAlbum
date published: 2017-09-15

Kaneda (From "Akira Symphonic Suite")
type: MusicAlbum
date published: 2017-09-15

Kaneda (From Akira Symphonic Suite Original Motion Picture Soundtrack)
type: MusicAlbum
date published: 2017-09-15

Mutation (Neoform Mashup)
type: MusicAlbum
date published: 2018-09-02

AKIRA REMIX
type: MusicAlbum
date published: 2024-08-21
track: BATTLE AGAINST CLOWN Remixed by Makoto Kubota
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31739c03c02f6498934ccbdda19bd24b092009b60f4d94f9363167bf0dc6bb73. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/JPVI02400672.
    date published: 2026-07-17T06:09:33Z
  audio: BATTLE AGAINST CLOWN Remixed by Makoto Kubota
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track: WINDS OVER THE NEO-TOKYO Remixed by Makoto Kubota
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  additional property: OTSBitcoinBlockVerifyURL
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    value: https://blockstream.info/api/block-height/956776
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI02400673
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:59:37Z
  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 0xdacb9633c8a7abaae235ff531097fd556fe0d6dfb8633f0edccfcdc0ff252c8b. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/JPVI02400673.
    date published: 2026-07-05T10:59:37Z
  audio: WINDS OVER THE NEO-TOKYO Remixed by Makoto Kubota
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.174
    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: 0.559
    additional property: Energy
      type: PropertyValue
      value: 0.693
    additional property: Speechiness
      type: PropertyValue
      value: 0.053
    additional property: Acousticness
      type: PropertyValue
      value: 0.019
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.012
    additional property: Liveness
      type: PropertyValue
      value: 0.086
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.109
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.993
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: DOLLS' POLYPHONY Remixed by Makoto Kubota
  type: MusicRecording
  duration: PT4M5S
  duration ms: 245826
  explicit: false
  by artist: 芸能山城組
  in album: AKIRA REMIX
    type: MusicAlbum
    date published: 2024-08-21
  isrc code: JPVI02400675
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9f50c09cd5f247d7b23c8efb6b1b184ba44c762fb64554b7b500402e098964a8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958907
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958907
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI02400675
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T19:06:05Z
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: DOLLS' POLYPHONY Remixed by Makoto Kubota

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 0x9f50c09cd5f247d7b23c8efb6b1b184ba44c762fb64554b7b500402e098964a8. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T19:06:05Z), 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/JPVI02400675.
date published: 2026-07-20T19:06:05Z

DOLLS' POLYPHONY Remixed by Makoto Kubota
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 89.009
additional property: Musical Key
  type: PropertyValue
  value: 11
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.65
additional property: Energy
  type: PropertyValue
  value: 0.677
additional property: Speechiness
  type: PropertyValue
  value: 0.113
additional property: Acousticness
  type: PropertyValue
  value: 0.084
additional property: Instrumentalness
  type: PropertyValue
  value: 0.295
additional property: Liveness
  type: PropertyValue
  value: 0.358
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.39
additional property: Loudness (dB)
  type: PropertyValue
  value: -10.263
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Minor

AKIRA REMIX
type: MusicAlbum
date published: 2024-08-21
track: BATTLE AGAINST CLOWN [クラウンとの闘い] (Remixed by 久保田麻琴)
  type: MusicRecording
  duration: PT1M52S
  duration ms: 112280
  explicit: false
  by artist: 芸能山城組
  in album: AKIRA REMIX
    type: MusicAlbum
    date published: 2024-08-21
  isrc code: JPVI02400672
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T10:05:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x31739c03c02f6498934ccbdda19bd24b092009b60f4d94f9363167bf0dc6bb73
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958142
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958142
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI02400672
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T10:09:30Z
  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 0x31739c03c02f6498934ccbdda19bd24b092009b60f4d94f9363167bf0dc6bb73. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T10:09:30Z), 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/JPVI02400672.
    date published: 2026-07-15T10:09:30Z
  audio: BATTLE AGAINST CLOWN [クラウンとの闘い] (Remixed by 久保田麻琴)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 123.048
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.626
    additional property: Energy
      type: PropertyValue
      value: 0.802
    additional property: Speechiness
      type: PropertyValue
      value: 0.061
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.953
    additional property: Liveness
      type: PropertyValue
      value: 0.193
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.656
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.126
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: WINDS OVER THE NEO-TOKYO [ネオ東京上空の空] (Remixed by 久保田麻琴)
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238093
  explicit: false
  by artist: 芸能山城組
  in album: AKIRA REMIX
    type: MusicAlbum
    date published: 2024-08-21
  isrc code: JPVI02400673
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T11:54:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdacb9633c8a7abaae235ff531097fd556fe0d6dfb8633f0edccfcdc0ff252c8b
  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/JPVI02400673
  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 0xdacb9633c8a7abaae235ff531097fd556fe0d6dfb8633f0edccfcdc0ff252c8b. 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/JPVI02400673.
    date published: 2026-07-03T21:18:05Z
  audio: WINDS OVER THE NEO-TOKYO [ネオ東京上空の空] (Remixed by 久保田麻琴)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.174
    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: 0.559
    additional property: Energy
      type: PropertyValue
      value: 0.693
    additional property: Speechiness
      type: PropertyValue
      value: 0.053
    additional property: Acousticness
      type: PropertyValue
      value: 0.019
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.012
    additional property: Liveness
      type: PropertyValue
      value: 0.086
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.109
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.993
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: KANEDA [金田] (Remixed by 蓜島邦明)
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228000
  explicit: false
  by artist: 芸能山城組
  in album: AKIRA REMIX
    type: MusicAlbum
    date published: 2024-08-21
  isrc code: JPVI02304992
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T23:16:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xaa0eb9260fd0a630b01abf3961e22261379b5039d3197185d49508e169adf310
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958796
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958796
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI02304992
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: KANEDA [金田] (Remixed by 蓜島邦明)
track: DOLLS' POLYPHONY [ぬいぐるみのポリフォニー] (Remixed by 久保田麻琴)
track: EXODUS FROM THE UNDERGROUND FORTRESS [ケイと金田の脱出] (Remixed by 久保田麻琴)
track: MUTATION [変容] (Remixed by 久保田麻琴)
track: REQUIEM part1 [未来] (Remixed by 久保田麻琴)
track: TETSUO [鉄雄] (Remixed by 久保田麻琴)

OTSTimestamp
type: PropertyValue
value: 2026-07-20T02:18:47Z

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 0xaa0eb9260fd0a630b01abf3961e22261379b5039d3197185d49508e169adf310. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:18:47Z), 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/JPVI02304992.
date published: 2026-07-20T02:18:47Z

KANEDA [金田] (Remixed by 蓜島邦明)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 120.034
additional property: Musical Key
  type: PropertyValue
  value: 10
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.716
additional property: Energy
  type: PropertyValue
  value: 0.803
additional property: Speechiness
  type: PropertyValue
  value: 0.06
additional property: Acousticness
  type: PropertyValue
  value: 0.134
additional property: Instrumentalness
  type: PropertyValue
  value: 0.197
additional property: Liveness
  type: PropertyValue
  value: 0.103
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.562
additional property: Loudness (dB)
  type: PropertyValue
  value: -10.035
additional property: Key Name
  type: PropertyValue
  value: Bb
additional property: Mode Name
  type: PropertyValue
  value: Minor

DOLLS' POLYPHONY [ぬいぐるみのポリフォニー] (Remixed by 久保田麻琴)
type: MusicRecording
duration: PT4M5S
duration ms: 245826
explicit: false
by artist: 芸能山城組
in album: AKIRA REMIX
  type: MusicAlbum
  date published: 2024-08-21
isrc code: JPVI02400675
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T11:22:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9f50c09cd5f247d7b23c8efb6b1b184ba44c762fb64554b7b500402e098964a8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958404
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958404
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI02400675
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T11:34:58Z
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 0x9f50c09cd5f247d7b23c8efb6b1b184ba44c762fb64554b7b500402e098964a8. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/JPVI02400675.
  date published: 2026-07-17T11:34:58Z
audio: DOLLS' POLYPHONY [ぬいぐるみのポリフォニー] (Remixed by 久保田麻琴)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.009
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.65
  additional property: Energy
    type: PropertyValue
    value: 0.677
  additional property: Speechiness
    type: PropertyValue
    value: 0.113
  additional property: Acousticness
    type: PropertyValue
    value: 0.084
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.295
  additional property: Liveness
    type: PropertyValue
    value: 0.358
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.39
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.263
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

EXODUS FROM THE UNDERGROUND FORTRESS [ケイと金田の脱出] (Remixed by 久保田麻琴)
type: MusicRecording
duration: PT3M26S
duration ms: 206493
explicit: false
by artist: 芸能山城組
in album: AKIRA REMIX
  type: MusicAlbum
  date published: 2024-08-21
isrc code: JPVI02400676
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T22:44:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4508f9d7d725e8cfc5c94db85b50cbfcde7b5236ea8fbb9ac76927f3fb79aeb5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956639
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956639
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI02400676
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T11:19:20Z
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 0x4508f9d7d725e8cfc5c94db85b50cbfcde7b5236ea8fbb9ac76927f3fb79aeb5. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/JPVI02400676.
  date published: 2026-07-04T11:19:20Z
audio: EXODUS FROM THE UNDERGROUND FORTRESS [ケイと金田の脱出] (Remixed by 久保田麻琴)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.962
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.642
  additional property: Energy
    type: PropertyValue
    value: 0.922
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.002
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.741
  additional property: Liveness
    type: PropertyValue
    value: 0.372
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.712
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.116
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

MUTATION [変容] (Remixed by 久保田麻琴)
type: MusicRecording
duration: PT4M21S
duration ms: 261812
explicit: false
by artist: 芸能山城組
in album: AKIRA REMIX
  type: MusicAlbum
  date published: 2024-08-21
isrc code: JPVI02400678
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T13:53:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x94707ba4a5f44965ffcac515da7b6ca91952ba1516a802adc526e003ffc7ac80
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956822
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956822
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI02400678
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T18:48:28Z
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 0x94707ba4a5f44965ffcac515da7b6ca91952ba1516a802adc526e003ffc7ac80. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/JPVI02400678.
  date published: 2026-07-05T18:48:28Z
audio: MUTATION [変容] (Remixed by 久保田麻琴)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 175.974
  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: 0.52
  additional property: Energy
    type: PropertyValue
    value: 0.861
  additional property: Speechiness
    type: PropertyValue
    value: 0.073
  additional property: Acousticness
    type: PropertyValue
    value: 0.325
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.832
  additional property: Liveness
    type: PropertyValue
    value: 0.135
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.571
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.246
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

REQUIEM part1 [未来] (Remixed by 久保田麻琴)
type: MusicRecording
duration: PT6M0S
duration ms: 360240
explicit: false
by artist: 芸能山城組
in album: AKIRA REMIX
  type: MusicAlbum
  date published: 2024-08-21
isrc code: JPVI02400679
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T17:59:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1330df21d86b586caf6e88edb41d5e34f44b5082716ccb98e3c18c279463ab6b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956728
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI02400679
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:43:49Z
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 0x1330df21d86b586caf6e88edb41d5e34f44b5082716ccb98e3c18c279463ab6b. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/JPVI02400679.
  date published: 2026-07-05T01:43:49Z
audio: REQUIEM part1 [未来] (Remixed by 久保田麻琴)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.986
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.374
  additional property: Energy
    type: PropertyValue
    value: 0.672
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.058
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.909
  additional property: Liveness
    type: PropertyValue
    value: 0.161
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.239
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.155
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

TETSUO [鉄雄] (Remixed by 久保田麻琴)
type: MusicRecording
duration: PT3M21S
duration ms: 201320
explicit: false
by artist: 芸能山城組
in album: AKIRA REMIX
  type: MusicAlbum
  date published: 2024-08-21
isrc code: JPVI02400680
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T01:44:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x31a4b8774c2a59c39b9d47b2167d1adfa3dbc008f83432ae201095c2cab19832
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958480
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958480
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI02400680
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 0x31a4b8774c2a59c39b9d47b2167d1adfa3dbc008f83432ae201095c2cab19832. 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/JPVI02400680.
  date published: 2026-07-18T02:58:58Z
audio: TETSUO [鉄雄] (Remixed by 久保田麻琴)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.038
  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: 0.676
  additional property: Energy
    type: PropertyValue
    value: 0.578
  additional property: Speechiness
    type: PropertyValue
    value: 0.089
  additional property: Acousticness
    type: PropertyValue
    value: 0.743
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.873
  additional property: Liveness
    type: PropertyValue
    value: 0.163
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.358
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.585
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major