松原健之
type: MusicGroup
genre: enka
genre: kayokyoku
popularity: 17
followers: 1342
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x05f919bb95e30e949f04386ae64e59a1c6a912695e836d843ac923238207c650
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953782
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953782
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d540cef9-8d23-486e-83e7-57cb6e43c228.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d540cef9-8d23-486e-83e7-57cb6e43c228.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d540cef9-8d23-486e-83e7-57cb6e43c228
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T12:13:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x05f919bb95e30e949f04386ae64e59a1c6a912695e836d843ac923238207c650","name":"松原健之","registered_at":"2026-06-15T02:54:52Z","symbol":"NIM0659769","token_address":"0x0463b857ccafc41d8f0afd977c2e2827cda9afff","type":"artist","uuid":"d540cef9-8d23-486e-83e7-57cb6e43c228"}
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 0x05f919bb95e30e949f04386ae64e59a1c6a912695e836d843ac923238207c650. Chain 2 (Bitcoin): anchored in block 953782 (2026-06-15T12:13:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d540cef9-8d23-486e-83e7-57cb6e43c228.json and https://artists.proofprofile.net/proofs/artist/d540cef9-8d23-486e-83e7-57cb6e43c228.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T12:13:59Z
  text: {"copyright_id":"0x05f919bb95e30e949f04386ae64e59a1c6a912695e836d843ac923238207c650","name":"松原健之","registered_at":"2026-06-15T02:54:52Z","symbol":"NIM0659769","token_address":"0x0463b857ccafc41d8f0afd977c2e2827cda9afff","type":"artist","uuid":"d540cef9-8d23-486e-83e7-57cb6e43c228"}
album: あの町へ帰りたい
  type: MusicAlbum
  date published: 2007-03-21
album: 悲しみの雨
  type: MusicAlbum
  date published: 2013-07-17
album: 雪明かりの駅／三日月が綺麗だから
  type: MusicAlbum
  date published: 2015-01-21
album: 木蘭の涙
  type: MusicAlbum
  date published: 2016-05-11
album: みちのく ふゆほたる
  type: MusicAlbum
  date published: 2016-11-16
album: 松原健之ベストアルバム 5
  type: MusicAlbum
  date published: 2017-05-17
  track: 金沢望郷歌
    type: MusicRecording
    duration: PT4M58S
    duration ms: 298866
    explicit: false
    by artist: 松原健之
    in album: 松原健之ベストアルバム 5
      type: MusicAlbum
      date published: 2017-05-17
    genre: enka
    genre: kayokyoku
    isrc code: JPTE00504890
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T22:52:12+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe43536ae47f2c34578f778d88d4e15b9f4d81723ab827fee0cceb284af4cb8d7
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958211
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958211
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTE00504890
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T01:55:24Z
    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 0xe43536ae47f2c34578f778d88d4e15b9f4d81723ab827fee0cceb284af4cb8d7. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T01:55:24Z), 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/JPTE00504890.
      date published: 2026-07-16T01:55:24Z
    audio: 金沢望郷歌
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 91.443
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.419
      additional property: Energy
        type: PropertyValue
        value: 0.481
      additional property: Speechiness
        type: PropertyValue
        value: 0.027
      additional property: Acousticness
        type: PropertyValue
        value: 0.523
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.229
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.303
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.958
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: 冬のひまわり
    type: MusicRecording
    duration: PT4M6S
    duration ms: 246426
    explicit: false
    by artist: 松原健之
    in album: 松原健之ベストアルバム 5
      type: MusicAlbum
      date published: 2017-05-17
    genre: enka
    genre: kayokyoku
    isrc code: JPTE00707490
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T04:25:23+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6471efb7490fbb495f545abcf7300f742e0cbdb9103cfdbfd25f19c4bb770034
    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/JPTE00707490
    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 0x6471efb7490fbb495f545abcf7300f742e0cbdb9103cfdbfd25f19c4bb770034. 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/JPTE00707490.
      date published: 2026-07-04T11:19:20Z
    audio: 冬のひまわり
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 81.575
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.426
      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: 松原健之が歌う 平尾昌晃 永遠の名曲選集
album: カナダからの手紙
album: 最北シネマ（アンコール盤）
album: 松原健之 ベストアルバム 6
album: 雪風/悲しみのニューヨーク
album: 雪風/悲しみのニューヨーク (アンコール盤)
album: 風のブーケ
album: 松原健之 ベストアルバム ７
album: 風のブーケ (アンコール盤)
album: 夢を抱いて走れ
album: 夢を抱いて走れ アンコール盤
album: カサブランカ
album: カサブランカ アンコール盤
album: 松原健之ベストアルバム 8
album: 金沢望郷歌(かなざわぼうきょうか) 2024
album: 金沢望郷歌(かなざわぼうきょうか) 2024 アンコール盤
album: 愛になるふたり
album: 愛が泣く 日本海

Energy
type: PropertyValue
value: 0.468

Speechiness
type: PropertyValue
value: 0.028

Acousticness
type: PropertyValue
value: 0.712

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.106

Valence (Positivity)
type: PropertyValue
value: 0.171

Loudness (dB)
type: PropertyValue
value: -5.742

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Minor

松原健之が歌う 平尾昌晃 永遠の名曲選集
type: MusicAlbum
date published: 2018-07-18

カナダからの手紙
type: MusicAlbum
date published: 2018-08-15
track: 二人でお酒を デュエットバージョン
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217920
  explicit: false
  by artist: 松原健之
  in album: カナダからの手紙
    type: MusicAlbum
    date published: 2018-08-15
  genre: enka
  genre: kayokyoku
  isrc code: JPTE01806200
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T03:28:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8ca32de0ca6ef648cf645d01ac073b38aa9e5ca4de7a3fd3ab1041afbbcf43f6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959094
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959094
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTE01806200
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T06:29:49Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ca32de0ca6ef648cf645d01ac073b38aa9e5ca4de7a3fd3ab1041afbbcf43f6. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T06:29:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTE01806200.
    date published: 2026-07-22T06:29:49Z
  audio: 二人でお酒を デュエットバージョン
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 123.039
    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: 0.638
    additional property: Energy
      type: PropertyValue
      value: 0.54
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.554
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.186
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.619
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.977
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

最北シネマ（アンコール盤）
type: MusicAlbum
date published: 2019-06-19

松原健之 ベストアルバム 6
type: MusicAlbum
date published: 2019-09-18
track: 花咲線 ～いま君に会いたい～
  type: MusicRecording
  duration: PT4M54S
  duration ms: 294546
  explicit: false
  by artist: 松原健之
  in album: 松原健之 ベストアルバム 6
    type: MusicAlbum
    date published: 2019-09-18
  genre: enka
  genre: kayokyoku
  isrc code: JPTE01706080
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T12:53:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7299aa3cfb851ca4d1fff0da44abe9573a88182516b0268d1e5d62b208b6b39f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958157
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958157
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTE01706080
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T15:55:52Z
  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 0x7299aa3cfb851ca4d1fff0da44abe9573a88182516b0268d1e5d62b208b6b39f. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:55:52Z), 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/JPTE01706080.
    date published: 2026-07-15T15:55:52Z
  audio: 花咲線 ～いま君に会いたい～
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 79.152
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.4
    additional property: Energy
      type: PropertyValue
      value: 0.449
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.52
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.127
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.33
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.76
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

雪風/悲しみのニューヨーク
type: MusicAlbum
date published: 2020-09-30

雪風/悲しみのニューヨーク (アンコール盤)
type: MusicAlbum
date published: 2021-02-10

風のブーケ
type: MusicAlbum
date published: 2021-09-29

松原健之 ベストアルバム ７
type: MusicAlbum
date published: 2021-11-17

風のブーケ (アンコール盤)
type: MusicAlbum
date published: 2022-02-16
track: 北陸本線
  type: MusicRecording
  duration: PT4M2S
  duration ms: 242000
  explicit: false
  by artist: 松原健之
  in album: 風のブーケ (アンコール盤)
    type: MusicAlbum
    date published: 2022-02-16
  genre: enka
  genre: kayokyoku
  isrc code: JPTE02107280
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T23:17:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd77ad3c469d2f648fd5c6f974b8be873e8a3f0e0eb2f0f99d66b0f3cf4a90333
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958212
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958212
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTE02107280
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T02:19:37Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd77ad3c469d2f648fd5c6f974b8be873e8a3f0e0eb2f0f99d66b0f3cf4a90333. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-16T02:19:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTE02107280.
    date published: 2026-07-16T02:19:37Z
  audio: 北陸本線
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 108.044
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.534
    additional property: Energy
      type: PropertyValue
      value: 0.576
    additional property: Speechiness
      type: PropertyValue
      value: 0.026
    additional property: Acousticness
      type: PropertyValue
      value: 0.639
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.095
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.327
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.997
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
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夢を抱いて走れ
type: MusicAlbum
date published: 2022-06-29

夢を抱いて走れ アンコール盤
type: MusicAlbum
date published: 2022-09-21

カサブランカ
type: MusicAlbum
date published: 2023-07-05

カサブランカ アンコール盤
type: MusicAlbum
date published: 2023-09-27

松原健之ベストアルバム 8
type: MusicAlbum
date published: 2023-11-01

金沢望郷歌(かなざわぼうきょうか) 2024
type: MusicAlbum
date published: 2024-06-19

金沢望郷歌(かなざわぼうきょうか) 2024 アンコール盤
type: MusicAlbum
date published: 2024-10-16

愛になるふたり
type: MusicAlbum
date published: 2025-06-18

愛が泣く 日本海
type: MusicAlbum
date published: 2025-10-15
track: 愛が泣く 日本海
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  by artist: 松原健之
  in album: 愛が泣く 日本海
    type: MusicAlbum
    date published: 2025-10-15
  genre: enka
  genre: kayokyoku
  isrc code: JPTE02504130
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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 0x82dbef5feb9e6594d2ef35440c81df593e1672efd1abbb947c25a5226bd6c6c9. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTE02504130.
    date published: 2026-07-18T03:34:53Z
  audio: 愛が泣く 日本海
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    additional property: Danceability
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    additional property: Loudness (dB)
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    additional property: Key Name
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      value: Eb
    additional property: Mode Name
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