朝川ひろこ
type: MusicGroup
genre: enka
popularity: 3
followers: 49
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc3ed9f5b5b67c9dc38846d0ce7de20bc711da22f03bfdf71e17fa35b83abe427
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954659
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954659
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dd2a0d43-494d-4745-9f2f-1588ebb8185d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dd2a0d43-494d-4745-9f2f-1588ebb8185d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dd2a0d43-494d-4745-9f2f-1588ebb8185d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T06:14:42Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc3ed9f5b5b67c9dc38846d0ce7de20bc711da22f03bfdf71e17fa35b83abe427","name":"朝川ひろこ","registered_at":"2026-06-21T05:21:20Z","symbol":"NIM1832378","token_address":"0xcafaf72e584459942c458605f8a25a2e27c8c7de","type":"artist","uuid":"dd2a0d43-494d-4745-9f2f-1588ebb8185d"}
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 0xc3ed9f5b5b67c9dc38846d0ce7de20bc711da22f03bfdf71e17fa35b83abe427. Chain 2 (Bitcoin): anchored in block 954659 (2026-06-21T06:14:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dd2a0d43-494d-4745-9f2f-1588ebb8185d.json and https://artists.proofprofile.net/proofs/artist/dd2a0d43-494d-4745-9f2f-1588ebb8185d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T06:14:42Z
  text: {"copyright_id":"0xc3ed9f5b5b67c9dc38846d0ce7de20bc711da22f03bfdf71e17fa35b83abe427","name":"朝川ひろこ","registered_at":"2026-06-21T05:21:20Z","symbol":"NIM1832378","token_address":"0xcafaf72e584459942c458605f8a25a2e27c8c7de","type":"artist","uuid":"dd2a0d43-494d-4745-9f2f-1588ebb8185d"}
album: 桜の樹の下で／かりそめのラブ・ソング
  type: MusicAlbum
  date published: 1991-02-01
album: そよ風の街
  type: MusicAlbum
  date published: 1992-07-21
album: 抱きしめて
  type: MusicAlbum
  date published: 1995-11-21
track: ギンガピンクサヤ・花の戦士
track: Tic Tac 〜タイムレンジャー とけいのうた〜
track: 爆竜数え唄
track: ハリケン音頭

ギンガピンクサヤ・花の戦士
type: MusicRecording
duration: PT3M24S
duration ms: 204640
explicit: false
by artist: 朝川ひろこ
in album: スーパー戦隊 主題歌・挿入歌大全集VI
  type: MusicAlbum
  date published: 2004-04-21
isrc code: JPCO09821580
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:24:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3ea543cddb50fdb66fe5740fcafbaa1dd8f679ef2689a39fba002fc1d8111b8c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO09821580
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ea543cddb50fdb66fe5740fcafbaa1dd8f679ef2689a39fba002fc1d8111b8c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO09821580.
  date published: 2026-07-08T03:22:41Z
audio: ギンガピンクサヤ・花の戦士
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 157.385
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.597
  additional property: Energy
    type: PropertyValue
    value: 0.754
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.093
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.22
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.458
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.933
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tic Tac 〜タイムレンジャー とけいのうた〜
type: MusicRecording
duration: PT4M48S
duration ms: 288933
explicit: false
by artist: 朝川ひろこ
in album: スーパー戦隊 主題歌・挿入歌大全集VII
  type: MusicAlbum
  date published: 2004-05-19
isrc code: JPCO00012620
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:29:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x02351936fdc4281bf8fb88c7cc99a58af16d4a9445e30bdca5f20f506ca0a333
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO00012620
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02351936fdc4281bf8fb88c7cc99a58af16d4a9445e30bdca5f20f506ca0a333. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO00012620.
  date published: 2026-07-08T03:22:41Z
audio: Tic Tac 〜タイムレンジャー とけいのうた〜
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.999
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.8
  additional property: Energy
    type: PropertyValue
    value: 0.662
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.178
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.715
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.941
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

爆竜数え唄
type: MusicRecording
duration: PT4M21S
duration ms: 261665
explicit: false
by artist: 朝川ひろこ
in album: スーパー戦隊 主題歌・挿入歌大全集VIII
  type: MusicAlbum
  date published: 2009-09-18
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x432a2dda098e9b7147b79c282144584bbc027da1565325d6bfa001a377b4a002. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/JPCO00317680.
  date published: 2026-07-31T20:22:46Z
audio: 爆竜数え唄
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.806
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.774
  additional property: Energy
    type: PropertyValue
    value: 0.869
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.119
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.77
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.686
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: JPCO00317680
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960459
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T20:22:46+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO00317680
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960459
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960459
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T20:22:46+00:00
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

ハリケン音頭
type: MusicRecording
duration: PT3M16S
duration ms: 196773
explicit: false
by artist: 朝川ひろこ
in album: スーパー戦隊 主題歌・挿入歌大全集VII
  type: MusicAlbum
  date published: 2004-05-19
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8146f5579c0f6bf848642d4f16c69fa8333f3590a54254f2e878db948a1aca26. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO00219240.
  date published: 2026-07-31T16:07:24Z
audio: ハリケン音頭
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.316
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.845
  additional property: Energy
    type: PropertyValue
    value: 0.55
  additional property: Speechiness
    type: PropertyValue
    value: 0.028
  additional property: Acousticness
    type: PropertyValue
    value: 0.422
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.403
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.805
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.982
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: JPCO00219240
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960429
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T16:07:24+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO00219240
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960429
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960429
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T16:07:24+00:00
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch