刀剣男士 team幕末
type: MusicGroup
popularity: 28
followers: 3607
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x43d0b4027d2ec5fc4c4dc8a412edd29fe2c4bdb25b9b674a5c1a04bc56157dd8
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/045ae0b1-4c2e-4117-a66a-68003d40de1c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/045ae0b1-4c2e-4117-a66a-68003d40de1c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/045ae0b1-4c2e-4117-a66a-68003d40de1c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x43d0b4027d2ec5fc4c4dc8a412edd29fe2c4bdb25b9b674a5c1a04bc56157dd8","name":"刀剣男士 team幕末","registered_at":"2026-06-11T10:56:54Z","symbol":"NIM0006279","token_address":"0xb39ecaa5b6cd4a25b6cc80965342fb2114a9f9d2","type":"artist","uuid":"045ae0b1-4c2e-4117-a66a-68003d40de1c"}
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 0x43d0b4027d2ec5fc4c4dc8a412edd29fe2c4bdb25b9b674a5c1a04bc56157dd8. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/045ae0b1-4c2e-4117-a66a-68003d40de1c.json and https://artists.proofprofile.net/proofs/artist/045ae0b1-4c2e-4117-a66a-68003d40de1c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x43d0b4027d2ec5fc4c4dc8a412edd29fe2c4bdb25b9b674a5c1a04bc56157dd8","name":"刀剣男士 team幕末","registered_at":"2026-06-11T10:56:54Z","symbol":"NIM0006279","token_address":"0xb39ecaa5b6cd4a25b6cc80965342fb2114a9f9d2","type":"artist","uuid":"045ae0b1-4c2e-4117-a66a-68003d40de1c"}
album: Kessennotoki (Type B)
  type: MusicAlbum
  date published: 2018-09-19
album: Kessennotoki (Type B)
  type: MusicAlbum
  date published: 2018-09-19
album: 決戦の鬨 (Type E)
  type: MusicAlbum
  date published: 2018-09-19
  track: 漢花、美しき日々よ song by 大和守安定･陸奥守吉行･長曽袮虎徹
    type: MusicRecording
    duration: PT3M44S
    duration ms: 224186
    explicit: false
    by artist: 刀剣男士 team幕末
    in album: 決戦の鬨 (Type E)
      type: MusicAlbum
      date published: 2018-09-19
    isrc code: JPQ321800134
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5a74f12fc1145b1dbcd40c44bc5a3e2478e9aa44027245468528caf059b6c8f3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958465
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958465
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPQ321800134
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T00:04:42Z
    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 0x5a74f12fc1145b1dbcd40c44bc5a3e2478e9aa44027245468528caf059b6c8f3. Chain 2 (Bitcoin): anchored in block 958465 (2026-07-18T00:04:42Z), 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/JPQ321800134.
      date published: 2026-07-18T00:04:42Z
    audio: 漢花、美しき日々よ song by 大和守安定･陸奥守吉行･長曽袮虎徹
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 145.007
      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: 0.541
      additional property: Energy
        type: PropertyValue
        value: 0.914
      additional property: Speechiness
        type: PropertyValue
        value: 0.064
      additional property: Acousticness
        type: PropertyValue
        value: 0.066
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.303
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.604
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.09
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Kessennotoki (Type D)
  type: MusicAlbum
  date published: 2018-09-19
album: Kessennotoki (Type E)
  type: MusicAlbum
  date published: 2018-09-19
album: Kessennotoki (Type F)
  type: MusicAlbum
  date published: 2018-09-19
album: Kessennotoki (Type D)
  type: MusicAlbum
  date published: 2018-09-19
album: Kessennotoki (Type A)
  type: MusicAlbum
  date published: 2018-09-19
album: Kessennotoki (Type F)
  type: MusicAlbum
  date published: 2018-09-19
album: 決戦の鬨 (Type D)
  type: MusicAlbum
  date published: 2018-09-19
  track: 僕がいる場所 song by 堀川国広
    type: MusicRecording
    duration: PT4M0S
    duration ms: 240213
    explicit: false
    by artist: 刀剣男士 team幕末
    in album: 決戦の鬨 (Type D)
      type: MusicAlbum
      date published: 2018-09-19
    isrc code: JPQ321800132
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-28T20:54:18+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9ed8ba2a61f57501df3adadbc19dfb9be6e65d1b9f7fdd1fffbb84df0ae943e4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956375
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956375
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPQ321800132
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T16:51:38Z
    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 0x9ed8ba2a61f57501df3adadbc19dfb9be6e65d1b9f7fdd1fffbb84df0ae943e4. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/JPQ321800132.
      date published: 2026-07-02T16:51:38Z
    audio: 僕がいる場所 song by 堀川国広
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 99.995
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: 決戦の鬨 (Type A)
album: Kessennotoki (Type C)
album: 決戦の鬨 (Type F)
album: 決戦の鬨 (Type B)
album: 決戦の鬨 (Type C)
album: Touken Ranbu:The Musical -Musubi no Hibiki, Hajimari no Ne- (Tsujouban)
album: ミュージカル『刀剣乱舞』 ～結びの響、始まりの音～ (通常盤)

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.538

Energy
type: PropertyValue
value: 0.848

Speechiness
type: PropertyValue
value: 0.039

Acousticness
type: PropertyValue
value: 0.08

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.143

Valence (Positivity)
type: PropertyValue
value: 0.485

Loudness (dB)
type: PropertyValue
value: -3.23

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

決戦の鬨 (Type A)
type: MusicAlbum
date published: 2018-09-19
track: 決戦の鬨
  type: MusicRecording
  duration: PT4M53S
  duration ms: 293146
  explicit: false
  by artist: 刀剣男士 team幕末
  in album: 決戦の鬨 (Type A)
    type: MusicAlbum
    date published: 2018-09-19
  isrc code: JPQ321800124
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T09:03:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x79e519661c2d3156b00d438c33e304c7935f225aa5feab73d13895ee8895e60d
  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/JPQ321800124
  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 0x79e519661c2d3156b00d438c33e304c7935f225aa5feab73d13895ee8895e60d. 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/JPQ321800124.
    date published: 2026-07-04T11:19:20Z
  audio: 決戦の鬨
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.604
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.506
    additional property: Energy
      type: PropertyValue
      value: 0.977
    additional property: Speechiness
      type: PropertyValue
      value: 0.062
    additional property: Acousticness
      type: PropertyValue
      value: 0.05
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.355
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.338
    additional property: Loudness (dB)
      type: PropertyValue
      value: -2.468
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Secret Sign
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227853
  explicit: false
  by artist: 刀剣男士 team幕末
  in album: 決戦の鬨 (Type A)
    type: MusicAlbum
    date published: 2018-09-19
  isrc code: JPQ321800125
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T06:14:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4141809c8b803bd3496492a9d975f08b342dbf5c0d3e1241f2307bb550195a3b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956500
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956500
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPQ321800125
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T13:55:21Z
  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 0x4141809c8b803bd3496492a9d975f08b342dbf5c0d3e1241f2307bb550195a3b. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/JPQ321800125.
    date published: 2026-07-03T13:55:21Z
  audio: Secret Sign
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 132.982
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.548
    additional property: Energy
      type: PropertyValue
      value: 0.912
    additional property: Speechiness
      type: PropertyValue
      value: 0.098
    additional property: Acousticness
      type: PropertyValue
      value: 0.124
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.071
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.251
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.771
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Kessennotoki (Type C)
type: MusicAlbum
date published: 2018-09-19

Kessennotoki (Type E)
type: MusicAlbum
date published: 2018-09-19

Kessennotoki (Type A)
type: MusicAlbum
date published: 2018-09-19

Kessennotoki (Type C)
type: MusicAlbum
date published: 2018-09-19

決戦の鬨 (Type F)
type: MusicAlbum
date published: 2018-09-19
track: 誰のモノでもない人生 song by 和泉守兼定･巴形薙刀
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246173
  explicit: false
  by artist: 刀剣男士 team幕末
  in album: 決戦の鬨 (Type F)
    type: MusicAlbum
    date published: 2018-09-19
  isrc code: JPQ321800136
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T22:45:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3ebf007e460ce2dfa1a4b9d20122ddb48245d7385d82d3beda3df3dcc6cd7274
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957771
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957771
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPQ321800136
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T23:27:28Z
  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 0x3ebf007e460ce2dfa1a4b9d20122ddb48245d7385d82d3beda3df3dcc6cd7274. Chain 2 (Bitcoin): anchored in block 957771 (2026-07-12T23:27:28Z), 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/JPQ321800136.
    date published: 2026-07-12T23:27:28Z
  audio: 誰のモノでもない人生 song by 和泉守兼定･巴形薙刀
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 104.02
    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: 0.559
    additional property: Energy
      type: PropertyValue
      value: 0.936
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.104
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.124
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.653
    additional property: Loudness (dB)
      type: PropertyValue
      value: -2.716
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

決戦の鬨 (Type B)
type: MusicAlbum
date published: 2018-09-19

決戦の鬨 (Type C)
type: MusicAlbum
date published: 2018-09-19
track: Brand New Sky
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217400
  explicit: false
  by artist: 刀剣男士 team幕末
  in album: 決戦の鬨 (Type C)
    type: MusicAlbum
    date published: 2018-09-19
  isrc code: JPQ321800130
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T14:15:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xaeca497da4610f2e320545654b6278e22a67a468bbed79c618fe5e0e67c9a1bc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956560
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956560
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPQ321800130
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T23:28:02Z
  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 0xaeca497da4610f2e320545654b6278e22a67a468bbed79c618fe5e0e67c9a1bc. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/JPQ321800130.
    date published: 2026-07-03T23:28:02Z
  audio: Brand New Sky
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 82.424
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.499
    additional property: Energy
      type: PropertyValue
      value: 0.967
    additional property: Speechiness
      type: PropertyValue
      value: 0.208
    additional property: Acousticness
      type: PropertyValue
      value: 0.039
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.081
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.516
    additional property: Loudness (dB)
      type: PropertyValue
      value: -2.978
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Touken Ranbu:The Musical -Musubi no Hibiki, Hajimari no Ne- (Tsujouban)
type: MusicAlbum
date published: 2018-10-30
track: Secret Sign
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228320
  explicit: false
  by artist: 刀剣男士 team幕末
  in album: Touken Ranbu:The Musical -Musubi no Hibiki, Hajimari no Ne- (Tsujouban)
    type: MusicAlbum
    date published: 2018-10-30
  isrc code: JPQ321800125
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T06:14:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4141809c8b803bd3496492a9d975f08b342dbf5c0d3e1241f2307bb550195a3b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956826
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956826
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPQ321800125
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T19:27:56Z
  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 0x4141809c8b803bd3496492a9d975f08b342dbf5c0d3e1241f2307bb550195a3b. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/JPQ321800125.
    date published: 2026-07-05T19:27:56Z
  audio: Secret Sign
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 132.97
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.571
    additional property: Energy
      type: PropertyValue
      value: 0.906
    additional property: Speechiness
      type: PropertyValue
      value: 0.127
    additional property: Acousticness
      type: PropertyValue
      value: 0.244
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.091
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.196
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.617
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Kemono
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241586
  explicit: false
  by artist: 刀剣男士 team幕末
  in album: Touken Ranbu:The Musical -Musubi no Hibiki, Hajimari no Ne- (Tsujouban)
    type: MusicAlbum
    date published: 2018-10-30
  isrc code: JPQ321800128
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T10:06:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x79a32b84ec58e533f9cb42a29a721f0bd1f1750cd9fd27a5fda29c707751bd10
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956656
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956656
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPQ321800128
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T14:03:39Z
  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 0x79a32b84ec58e533f9cb42a29a721f0bd1f1750cd9fd27a5fda29c707751bd10. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/JPQ321800128.
    date published: 2026-07-04T14:03:39Z
  audio: Kemono
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 143
    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: 0.658
    additional property: Energy
      type: PropertyValue
      value: 0.933
    additional property: Speechiness
      type: PropertyValue
      value: 0.17
    additional property: Acousticness
      type: PropertyValue
      value: 0.373
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.082
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.722
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.694
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

ミュージカル『刀剣乱舞』 ～結びの響、始まりの音～ (通常盤)
type: MusicAlbum
date published: 2018-10-30
track: ここにあるもの song by 堀川国広
  type: MusicRecording
  duration: PT1M24S
  duration ms: 84133
  explicit: false
  by artist: 刀剣男士 team幕末
  in album: ミュージカル『刀剣乱舞』 ～結びの響、始まりの音～ (通常盤)
    type: MusicAlbum
    date published: 2018-10-30
  isrc code: JPQ321800147
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T03:56:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcd8d634600fe0a4a2bb10fdd2d760e695d29128edc01a1449328a2fc4d3f0f35
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958489
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958489
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPQ321800147
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T04:13:26Z
  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 0xcd8d634600fe0a4a2bb10fdd2d760e695d29128edc01a1449328a2fc4d3f0f35. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/JPQ321800147.
    date published: 2026-07-18T04:13:26Z
  audio: ここにあるもの song by 堀川国広
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 75.966
    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: 0.578
    additional property: Energy
      type: PropertyValue
      value: 0.325
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.876
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.112
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.482
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.028
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 名もなき径(みち) song by 巴形薙刀
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155280
  explicit: false
  by artist: 刀剣男士 team幕末
  in album: ミュージカル『刀剣乱舞』 ～結びの響、始まりの音～ (通常盤)
    type: MusicAlbum
    date published: 2018-10-30
  isrc code: JPQ321800150
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T23:36:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa919c56852ed4f2120f18607ee232ac8200325f3de6f34cfde6f2b436ad55460
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958690
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958690
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPQ321800150
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T07:14:39Z
  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 0xa919c56852ed4f2120f18607ee232ac8200325f3de6f34cfde6f2b436ad55460. 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/JPQ321800150.
    date published: 2026-07-19T07:14:39Z
  audio: 名もなき径(みち) song by 巴形薙刀
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 172.028
    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: 0.559
    additional property: Energy
      type: PropertyValue
      value: 0.493
    additional property: Speechiness
      type: PropertyValue
      value: 0.064
    additional property: Acousticness
      type: PropertyValue
      value: 0.596
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.099
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.574
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.512
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: かっぽれ～朧月の下～ - 千秋楽バージョン
  type: MusicRecording
  duration: PT1M24S
  duration ms: 84240
  explicit: false
  by artist: 刀剣男士 team幕末
  in album: ミュージカル『刀剣乱舞』 ～結びの響、始まりの音～ (通常盤)
    type: MusicAlbum
    date published: 2018-10-30
  isrc code: JPQ321800152
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T00:55:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x172389823652694dfe2eafc8d1305b13b0fafc06efae59e36b80388c5eed9edc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956857
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956857
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPQ321800152
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: かっぽれ～朧月の下～ - 千秋楽バージョン
track: よさこい～夢抱いて～ - 千秋楽バージョン
track: 倒れる終焉(とき)
track: To the North song by 榎本武揚
track: いびつないし song by 大和守安定・和泉守兼定・堀川国広・長曽祢虎徹
track: 序章
track: 漢花、美しき日々よ song by 大和守安定・陸奥守吉行・長曽祢虎徹
track: 祈り
track: Feel it darling
track: 白刃の月 song by 土方歳三・島田 魁・中島 登・榎本武揚

OTSTimestamp
type: PropertyValue
value: 2026-07-06T01:26:17Z

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 0x172389823652694dfe2eafc8d1305b13b0fafc06efae59e36b80388c5eed9edc. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/JPQ321800152.
date published: 2026-07-06T01:26:17Z

かっぽれ～朧月の下～ - 千秋楽バージョン
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 137.301
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.418
additional property: Energy
  type: PropertyValue
  value: 0.674
additional property: Speechiness
  type: PropertyValue
  value: 0.405
additional property: Acousticness
  type: PropertyValue
  value: 0.867
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.58
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.463
additional property: Loudness (dB)
  type: PropertyValue
  value: -7.526
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Minor

よさこい～夢抱いて～ - 千秋楽バージョン
type: MusicRecording
duration: PT0M52S
duration ms: 52813
explicit: false
by artist: 刀剣男士 team幕末
in album: ミュージカル『刀剣乱舞』 ～結びの響、始まりの音～ (通常盤)
  type: MusicAlbum
  date published: 2018-10-30
isrc code: JPQ321800153
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T06:45:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7ad90f7645d6ac601fbbd3ee10464f1beef4c634f40c678a9af806ff3f49973b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956772
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956772
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPQ321800153
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T10:01:46Z
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 0x7ad90f7645d6ac601fbbd3ee10464f1beef4c634f40c678a9af806ff3f49973b. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/JPQ321800153.
  date published: 2026-07-05T10:01:46Z
audio: よさこい～夢抱いて～ - 千秋楽バージョン
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.04
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.468
  additional property: Energy
    type: PropertyValue
    value: 0.661
  additional property: Speechiness
    type: PropertyValue
    value: 0.275
  additional property: Acousticness
    type: PropertyValue
    value: 0.786
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.488
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.919
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.765
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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    value: Minor

倒れる終焉(とき)
type: MusicRecording
duration: PT4M17S
duration ms: 257453
explicit: false
by artist: 刀剣男士 team幕末
in album: ミュージカル『刀剣乱舞』 ～結びの響、始まりの音～ (通常盤)
  type: MusicAlbum
  date published: 2018-10-30
isrc code: JPQ321800154
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T01:36:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x094ae42f0e571b89a65468e1c56d21751607a25fb0df31a57afa35be6b9bfeac
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958805
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958805
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPQ321800154
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T02:22:58Z
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 0x094ae42f0e571b89a65468e1c56d21751607a25fb0df31a57afa35be6b9bfeac. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/JPQ321800154.
  date published: 2026-07-20T02:22:58Z
audio: 倒れる終焉(とき)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90.097
  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: 0.302
  additional property: Energy
    type: PropertyValue
    value: 0.464
  additional property: Speechiness
    type: PropertyValue
    value: 0.026
  additional property: Acousticness
    type: PropertyValue
    value: 0.807
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.268
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.88
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

To the North song by 榎本武揚
type: MusicRecording
duration: PT3M9S
duration ms: 189906
explicit: false
by artist: 刀剣男士 team幕末
in album: ミュージカル『刀剣乱舞』 ～結びの響、始まりの音～ (通常盤)
  type: MusicAlbum
  date published: 2018-10-30
isrc code: JPQ321800155
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-12T22:52:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd83a2eb361938f4bf8e1e616a90b5c56bfcd2ae5d9f7fcd06516bcddac197a5d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957771
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957771
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPQ321800155
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-12T23:27:28Z
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 0xd83a2eb361938f4bf8e1e616a90b5c56bfcd2ae5d9f7fcd06516bcddac197a5d. Chain 2 (Bitcoin): anchored in block 957771 (2026-07-12T23:27:28Z), 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/JPQ321800155.
  date published: 2026-07-12T23:27:28Z
audio: To the North song by 榎本武揚
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.024
  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: 0.355
  additional property: Energy
    type: PropertyValue
    value: 0.713
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.346
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.334
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.653
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

いびつないし song by 大和守安定・和泉守兼定・堀川国広・長曽祢虎徹
type: MusicRecording
duration: PT2M1S
duration ms: 121026
explicit: false
by artist: 刀剣男士 team幕末
in album: ミュージカル『刀剣乱舞』 ～結びの響、始まりの音～ (通常盤)
  type: MusicAlbum
  date published: 2018-10-30
isrc code: JPQ321800156
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T16:52:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb2c5bb5db68173f3d4b735342ba882b84b3231b58924dd82e527491849bc4c6a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958761
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958761
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPQ321800156
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T19:55:19Z
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 0xb2c5bb5db68173f3d4b735342ba882b84b3231b58924dd82e527491849bc4c6a. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T19:55:19Z), 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/JPQ321800156.
  date published: 2026-07-19T19:55:19Z
audio: いびつないし song by 大和守安定・和泉守兼定・堀川国広・長曽祢虎徹
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 200.059
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.355
  additional property: Energy
    type: PropertyValue
    value: 0.31
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.81
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.24
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.17
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

序章
type: MusicRecording
duration: PT4M8S
duration ms: 248800
explicit: false
by artist: 刀剣男士 team幕末
in album: ミュージカル『刀剣乱舞』 ～結びの響、始まりの音～ (通常盤)
  type: MusicAlbum
  date published: 2018-10-30
isrc code: JPQ321800157
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T01:41:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x396f5e2f6a5b17b1a1fe7bddf34700bd0c36b035fefe74494364eb4d347fed1f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956634
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956634
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPQ321800157
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T10:04:33Z
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 0x396f5e2f6a5b17b1a1fe7bddf34700bd0c36b035fefe74494364eb4d347fed1f. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/JPQ321800157.
  date published: 2026-07-04T10:04:33Z
audio: 序章
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 78.008
  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: 0.531
  additional property: Energy
    type: PropertyValue
    value: 0.621
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.608
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.593
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.841
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

漢花、美しき日々よ song by 大和守安定・陸奥守吉行・長曽祢虎徹
type: MusicRecording
duration: PT3M44S
duration ms: 224186
explicit: false
by artist: 刀剣男士 team幕末
in album: ミュージカル『刀剣乱舞』 ～結びの響、始まりの音～ (通常盤)
  type: MusicAlbum
  date published: 2018-10-30
isrc code: JPQ321800134
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-12T22:57:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5a74f12fc1145b1dbcd40c44bc5a3e2478e9aa44027245468528caf059b6c8f3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957771
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957771
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPQ321800134
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-12T23:27:28Z
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 0x5a74f12fc1145b1dbcd40c44bc5a3e2478e9aa44027245468528caf059b6c8f3. Chain 2 (Bitcoin): anchored in block 957771 (2026-07-12T23:27:28Z), 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/JPQ321800134.
  date published: 2026-07-12T23:27:28Z
audio: 漢花、美しき日々よ song by 大和守安定・陸奥守吉行・長曽祢虎徹
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.005
  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: 0.549
  additional property: Energy
    type: PropertyValue
    value: 0.917
  additional property: Speechiness
    type: PropertyValue
    value: 0.067
  additional property: Acousticness
    type: PropertyValue
    value: 0.11
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.284
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.599
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.155
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

祈り
type: MusicRecording
duration: PT4M32S
duration ms: 272840
explicit: false
by artist: 刀剣男士 team幕末
in album: ミュージカル『刀剣乱舞』 ～結びの響、始まりの音～ (通常盤)
  type: MusicAlbum
  date published: 2018-10-30
isrc code: JPQ321800158
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-14T23:33:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e52cece020e9337110bdf08e777def646b30adf6d0dd2d07da7144604fc0714
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958079
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958079
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPQ321800158
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T00:21:05Z
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 0x5e52cece020e9337110bdf08e777def646b30adf6d0dd2d07da7144604fc0714. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/JPQ321800158.
  date published: 2026-07-15T00:21:05Z
audio: 祈り
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 149.923
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.56
  additional property: Energy
    type: PropertyValue
    value: 0.651
  additional property: Speechiness
    type: PropertyValue
    value: 0.028
  additional property: Acousticness
    type: PropertyValue
    value: 0.6
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.149
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.403
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.758
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Feel it darling
type: MusicRecording
duration: PT4M10S
duration ms: 250320
explicit: false
by artist: 刀剣男士 team幕末
in album: ミュージカル『刀剣乱舞』 ～結びの響、始まりの音～ (通常盤)
  type: MusicAlbum
  date published: 2018-10-30
isrc code: JPQ321800159
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T05:41:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd7f284d108505ea2bc88c74578ddbaf32bc326a078ffd5da16c251491d09adde
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958111
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958111
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPQ321800159
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T06:58:20Z
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 0xd7f284d108505ea2bc88c74578ddbaf32bc326a078ffd5da16c251491d09adde. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T06:58:20Z), 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/JPQ321800159.
  date published: 2026-07-15T06:58:20Z
audio: Feel it darling
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.995
  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: 0.662
  additional property: Energy
    type: PropertyValue
    value: 0.67
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.443
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.185
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.327
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.715
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
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白刃の月 song by 土方歳三・島田 魁・中島 登・榎本武揚
type: MusicRecording
duration: PT4M15S
duration ms: 255813
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by artist: 刀剣男士 team幕末
in album: ミュージカル『刀剣乱舞』 ～結びの響、始まりの音～ (通常盤)
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  date published: 2018-10-30
isrc code: JPQ321800161
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  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 0x8abe5eccae94f4800307f38822dd0d499f1f4886a4a1b35869917256487d419f. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T05:50:22Z), 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/JPQ321800161.
  date published: 2026-07-16T05:50:22Z
audio: 白刃の月 song by 土方歳三・島田 魁・中島 登・榎本武揚
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