中川イサト
type: MusicGroup
genre: kayokyoku
popularity: 2
followers: 48
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf257afefbac62d549d0021d46f70204687ce441334c36cf05da7695a8ee07a6b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954035
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/954035
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3cd8f93d-a9c3-48ac-86df-97a61944cff0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3cd8f93d-a9c3-48ac-86df-97a61944cff0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3cd8f93d-a9c3-48ac-86df-97a61944cff0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T02:39:28Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf257afefbac62d549d0021d46f70204687ce441334c36cf05da7695a8ee07a6b","name":"中川イサト","registered_at":"2026-06-16T10:44:42Z","symbol":"NIM1027321","token_address":"0x32d18801d94feccdde92ca3eeca95c2ba2997fcc","type":"artist","uuid":"3cd8f93d-a9c3-48ac-86df-97a61944cff0"}
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 → block must exist at that height 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 0xf257afefbac62d549d0021d46f70204687ce441334c36cf05da7695a8ee07a6b. Chain 2 (Bitcoin): anchored in block 954035 (2026-06-17T02:39:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3cd8f93d-a9c3-48ac-86df-97a61944cff0.json and https://artists.proofprofile.net/proofs/artist/3cd8f93d-a9c3-48ac-86df-97a61944cff0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T02:39:28Z
  text: {"copyright_id":"0xf257afefbac62d549d0021d46f70204687ce441334c36cf05da7695a8ee07a6b","name":"中川イサト","registered_at":"2026-06-16T10:44:42Z","symbol":"NIM1027321","token_address":"0x32d18801d94feccdde92ca3eeca95c2ba2997fcc","type":"artist","uuid":"3cd8f93d-a9c3-48ac-86df-97a61944cff0"}
album: ごあいさつ
  type: MusicAlbum
  date published: 1973-11-10
  track: ごあいさつ
    type: MusicRecording
    duration: PT0M27S
    duration ms: 27091
    explicit: false
    by artist: Wataru Takada
    in album: ごあいさつ
      type: MusicAlbum
      date published: 1973-11-10
  track: 失業手当
    type: MusicRecording
    duration: PT3M38S
    duration ms: 218605
    explicit: false
    by artist: Wataru Takada
    by artist: はっぴいえんど
    in album: ごあいさつ
      type: MusicAlbum
      date published: 1973-11-10
    isrc code: JPKI07148045
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-11T19:14:26+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb2b62bfb39fbb72bae11b75348aa53551eb82f91fb92a117601d467a24ac6982
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953536
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953536
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI07148045
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T17:25:41Z
    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 → block OTSBitcoinBlock must exist at that height 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 0xb2b62bfb39fbb72bae11b75348aa53551eb82f91fb92a117601d467a24ac6982. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/JPKI07148045.
      date published: 2026-06-13T17:25:41Z
  track: 年輪・歯車
    type: MusicRecording
    duration: PT3M18S
    duration ms: 198041
    explicit: false
    by artist: Wataru Takada
    in album: ごあいさつ
      type: MusicAlbum
      date published: 1973-11-10
    isrc code: JPKI07047956
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-25T01:04:54+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xdb151c8f5683392df234994be1874db7ee79c2c11e53bbe129ccac1481fc692f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956304
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956304
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI07047956
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:55:08Z
    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 → block OTSBitcoinBlock must exist at that height 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 0xdb151c8f5683392df234994be1874db7ee79c2c11e53bbe129ccac1481fc692f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPKI07047956.
      date published: 2026-07-02T03:55:08Z
  track: 鮪に鰯
    type: MusicRecording
    duration: PT3M22S
    duration ms: 202587
    explicit: false
    by artist: Wataru Takada
    by artist: 高田渡とそのグループ
    in album: ごあいさつ
      type: MusicAlbum
      date published: 1973-11-10
    isrc code: JPKI07148046
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-24T23:00:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x24a716b3429c61a024dd3f635a2b33ef30cbcc5b6b261ec3be50664d07af09d9
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956312
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956312
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI07148046
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T05:09:12Z
    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 → block OTSBitcoinBlock must exist at that height 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 0x24a716b3429c61a024dd3f635a2b33ef30cbcc5b6b261ec3be50664d07af09d9. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPKI07148046.
      date published: 2026-07-02T05:09:12Z
  track: 結婚
    type: MusicRecording
    duration: PT2M12S
    duration ms: 132014
    explicit: false
    by artist: Wataru Takada
    by artist: 高田渡+α
    in album: ごあいさつ
      type: MusicAlbum
      date published: 1973-11-10
    isrc code: JPKI07148051
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T05:48:28+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x79ac743afd18e594e7f4a2e2a00366d970a19feb1970d518589bb3f0155cc729
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956894
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956894
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
  track: アイスクリーム
  track: 自転車にのって
  track: ブルース
  track: おなじみの短い手紙
  track: コーヒーブルース
  track: 値上げ
  track: 夕焼け
  track: 銭がなけりゃ
  track: 日曜日
  track: しらみの旅
  track: 生活の柄
  track: 自転車にのって(ファンキーヴァージョン)
album: フォーク・ギター
album: 春一番ライブ'79 Vol.1
album: 春一番ライブ'78
track: ローリング・メニュー
track: 自転車にのって(ファンキーヴァージョン)
track: おなじみの短い手紙
track: ふるさと(1コーラス演奏)
track: 12月の雨の日(1コーラス演奏)
track: 伝道(1コーラス演奏)
track: 夕やけこやけ(1コーラス演奏)
track: 自転車Rag
track: マイ・クレオル・ベル

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI07148051

OTSTimestamp
type: PropertyValue
value: 2026-07-06T07:53:57Z

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 → block OTSBitcoinBlock must exist at that height 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 0x79ac743afd18e594e7f4a2e2a00366d970a19feb1970d518589bb3f0155cc729. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/JPKI07148051.
date published: 2026-07-06T07:53:57Z

アイスクリーム
type: MusicRecording
duration: PT1M21S
duration ms: 81322
explicit: false
by artist: Wataru Takada
in album: ごあいさつ
  type: MusicAlbum
  date published: 1973-11-10
isrc code: JPKI07047958
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T06:48:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e42843a38723526b6708b2d35ba84ac14c35eff454c5227ec3d866af703bb3d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI07047958
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 → block OTSBitcoinBlock must exist at that height 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 0x5e42843a38723526b6708b2d35ba84ac14c35eff454c5227ec3d866af703bb3d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPKI07047958.
  date published: 2026-07-02T03:55:08Z

自転車にのって
type: MusicRecording
duration: PT2M45S
duration ms: 165454
explicit: false
by artist: Wataru Takada
in album: ごあいさつ
  type: MusicAlbum
  date published: 1973-11-10
isrc code: JPKI07148047
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T21:58:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x503f83f524c98b9c2a679b53a93a9e470a3e6fd481668f857cede96702fe11dd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI07148047
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 → block OTSBitcoinBlock must exist at that height 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 0x503f83f524c98b9c2a679b53a93a9e470a3e6fd481668f857cede96702fe11dd. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/JPKI07148047.
  date published: 2026-06-13T17:25:41Z

ブルース
type: MusicRecording
duration: PT1M5S
duration ms: 65334
explicit: false
by artist: Wataru Takada
in album: ごあいさつ
  type: MusicAlbum
  date published: 1973-11-10
isrc code: JPKI07047951
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T11:19:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5979e859722c0977925a79b66f3ac0e5ffd4985b5f1b1e86ad4d5ac247c196b8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI07047951
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 → block OTSBitcoinBlock must exist at that height 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 0x5979e859722c0977925a79b66f3ac0e5ffd4985b5f1b1e86ad4d5ac247c196b8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/JPKI07047951.
  date published: 2026-07-02T03:30:09Z

おなじみの短い手紙
type: MusicRecording
duration: PT2M13S
duration ms: 133561
explicit: false
by artist: Wataru Takada
in album: ごあいさつ
  type: MusicAlbum
  date published: 1973-11-10
isrc code: JPKI07148228
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T01:53:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x41591204c8304af01f1eb40b74296d642a05d5159f476b7be920e6501c1a166d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI07148228
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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 → block OTSBitcoinBlock must exist at that height 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 0x41591204c8304af01f1eb40b74296d642a05d5159f476b7be920e6501c1a166d. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/JPKI07148228.
  date published: 2026-07-02T11:38:34Z

コーヒーブルース
type: MusicRecording
duration: PT2M20S
duration ms: 140721
explicit: false
by artist: Wataru Takada
in album: ごあいさつ
  type: MusicAlbum
  date published: 1973-11-10
isrc code: JPKI07047957
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T12:12:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x50b075b2d4edec9b146369fd21504f6c5a21c7bae91186f328a91043f5344742
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI07047957
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 → block OTSBitcoinBlock must exist at that height 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 0x50b075b2d4edec9b146369fd21504f6c5a21c7bae91186f328a91043f5344742. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/JPKI07047957.
  date published: 2026-07-02T03:30:09Z

値上げ
type: MusicRecording
duration: PT1M48S
duration ms: 108921
explicit: false
by artist: Wataru Takada
in album: ごあいさつ
  type: MusicAlbum
  date published: 1973-11-10
isrc code: JPKI07047955
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T11:23:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdcfb897b9840ced81f6e30887c5a8e919b4ca64ccbe74886c308ff9165f69829
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI07047955
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 → block OTSBitcoinBlock must exist at that height 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 0xdcfb897b9840ced81f6e30887c5a8e919b4ca64ccbe74886c308ff9165f69829. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/JPKI07047955.
  date published: 2026-07-02T03:30:09Z

夕焼け
type: MusicRecording
duration: PT3M7S
duration ms: 187894
explicit: false
by artist: Wataru Takada
in album: ごあいさつ
  type: MusicAlbum
  date published: 1973-11-10
isrc code: JPKI07148048

銭がなけりゃ
type: MusicRecording
duration: PT3M31S
duration ms: 211627
explicit: false
by artist: Wataru Takada
by artist: はっぴいえんど
in album: ごあいさつ
  type: MusicAlbum
  date published: 1973-11-10
isrc code: JPKI07148416
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T21:18:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x27ea9f6fc5ccd39660d732a99025a2870605b8948686f8c96291f9761884cee3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI07148416
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 → block OTSBitcoinBlock must exist at that height 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 0x27ea9f6fc5ccd39660d732a99025a2870605b8948686f8c96291f9761884cee3. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/JPKI07148416.
  date published: 2026-06-13T17:25:41Z

日曜日
type: MusicRecording
duration: PT3M2S
duration ms: 182507
explicit: false
by artist: Wataru Takada
in album: ごあいさつ
  type: MusicAlbum
  date published: 1973-11-10
isrc code: JPKI07148230
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T04:26:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbdf7ad581c76e781a2f89ee6d8e7d15235a74298487761522c6bc771423df3bc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956894
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956894
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI07148230
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
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 → block OTSBitcoinBlock must exist at that height 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 0xbdf7ad581c76e781a2f89ee6d8e7d15235a74298487761522c6bc771423df3bc. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/JPKI07148230.
  date published: 2026-07-06T07:53:57Z

しらみの旅
type: MusicRecording
duration: PT3M34S
duration ms: 214001
explicit: false
by artist: Wataru Takada
by artist: はっぴいえんど
in album: ごあいさつ
  type: MusicAlbum
  date published: 1973-11-10
isrc code: JPKI07148415
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T13:11:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfaf9f8ca0558361454fee003059167f747c3d73e36840a0cf1ea7359f566d027
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI07148415
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 → block OTSBitcoinBlock must exist at that height 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 0xfaf9f8ca0558361454fee003059167f747c3d73e36840a0cf1ea7359f566d027. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/JPKI07148415.
  date published: 2026-07-02T03:30:09Z

生活の柄
type: MusicRecording
duration: PT4M12S
duration ms: 252721
explicit: false
by artist: Wataru Takada
by artist: 高田渡とそのグループ
in album: ごあいさつ
  type: MusicAlbum
  date published: 1973-11-10
isrc code: JPKI07148049
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T19:12:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xba75a9515b222ceaf5212aa15b2e0054b8404e741d2b425cdbb9457d57fd3d1a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI07148049
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 → block OTSBitcoinBlock must exist at that height 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 0xba75a9515b222ceaf5212aa15b2e0054b8404e741d2b425cdbb9457d57fd3d1a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/JPKI07148049.
  date published: 2026-06-13T13:32:09Z

自転車にのって(ファンキーヴァージョン)
type: MusicRecording
duration: PT3M43S
duration ms: 223387
explicit: false
by artist: Wataru Takada
by artist: 中川イサト
by artist: 村上律
in album: ごあいさつ
  type: MusicAlbum
  date published: 1973-11-10
isrc code: JPKI07252820
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T01:32:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x49220a71eab621049538e5cb5a80727aa659988c2570d9c00a2406bd773759dc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956856
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956856
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI07252820
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:25:57Z
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 → block OTSBitcoinBlock must exist at that height 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 0x49220a71eab621049538e5cb5a80727aa659988c2570d9c00a2406bd773759dc. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/JPKI07252820.
  date published: 2026-07-06T01:25:57Z

フォーク・ギター
type: MusicAlbum
date published: 1974-03-25
track: 七つの子
  type: MusicRecording
  duration: PT9M43S
  duration ms: 583348
  explicit: false
  by artist: 村上律
  in album: フォーク・ギター
    type: MusicAlbum
    date published: 1974-03-25
track: 赤色エレジー(一部分演奏)
  type: MusicRecording
  duration: PT10M33S
  duration ms: 633734
  explicit: false
  by artist: あがた森魚
  in album: フォーク・ギター
    type: MusicAlbum
    date published: 1974-03-25
track: プカプカ(一部分演奏)
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168614
  explicit: false
  by artist: 村上律
  in album: フォーク・ギター
    type: MusicAlbum
    date published: 1974-03-25
track: 満足できるかな(一部分演奏)
  type: MusicRecording
  duration: PT6M18S
  duration ms: 378174
  explicit: false
  by artist: 村上律
  in album: フォーク・ギター
    type: MusicAlbum
    date published: 1974-03-25
track: 春が来た(一部分演奏)
  type: MusicRecording
  duration: PT19M37S
  duration ms: 1177579
  explicit: false
  by artist: 村上律
  in album: フォーク・ギター
    type: MusicAlbum
    date published: 1974-03-25
track: 機関車(一部分演奏)
  type: MusicRecording
  duration: PT4M48S
  duration ms: 288875
  explicit: false
  by artist: 村上律
  in album: フォーク・ギター
    type: MusicAlbum
    date published: 1974-03-25
track: 生活の柄(一部分演奏)
  type: MusicRecording
  duration: PT2M13S
  duration ms: 133561
  explicit: false
  by artist: Wataru Takada
  in album: フォーク・ギター
    type: MusicAlbum
    date published: 1974-03-25
track: その朝
  type: MusicRecording
  duration: PT5M38S
  duration ms: 338055
  explicit: false
  by artist: 馬場久美男
  in album: フォーク・ギター
    type: MusicAlbum
    date published: 1974-03-25
track: おなじみの短い手紙
  type: MusicRecording
  duration: PT15M17S
  duration ms: 917095
  explicit: false
  by artist: 中川イサト
  in album: フォーク・ギター
    type: MusicAlbum
    date published: 1974-03-25
track: ふるさと(1コーラス演奏)
  type: MusicRecording
  duration: PT5M4S
  duration ms: 304502
  explicit: false
  by artist: 中川イサト
  in album: フォーク・ギター
    type: MusicAlbum
    date published: 1974-03-25
track: 12月の雨の日(1コーラス演奏)
  type: MusicRecording
  duration: PT4M28S
  duration ms: 268814
  explicit: false
  by artist: 中川イサト
  in album: フォーク・ギター
    type: MusicAlbum
    date published: 1974-03-25
track: ミスターボージャングルス
  type: MusicRecording
  duration: PT11M52S
  duration ms: 712406
  explicit: false
  by artist: Goro Nakagawa
  in album: フォーク・ギター
    type: MusicAlbum
    date published: 1974-03-25
track: 伝道(1コーラス演奏)
  type: MusicRecording
  duration: PT10M54S
  duration ms: 654245
  explicit: false
  by artist: 中川イサト
  in album: フォーク・ギター
    type: MusicAlbum
    date published: 1974-03-25
track: 夕やけこやけ(1コーラス演奏)
  type: MusicRecording
  duration: PT9M53S
  duration ms: 593084
  explicit: false
  by artist: 中川イサト
  in album: フォーク・ギター
    type: MusicAlbum
    date published: 1974-03-25
track: 自転車にのって
  type: MusicRecording
  duration: PT11M10S
  duration ms: 670224
  explicit: false
  by artist: Wataru Takada
  in album: フォーク・ギター
    type: MusicAlbum
    date published: 1974-03-25
track: 自転車Rag
  type: MusicRecording
  duration: PT1M1S
  duration ms: 61036
  explicit: false
  by artist: 中川イサト
  in album: フォーク・ギター
    type: MusicAlbum
    date published: 1974-03-25

春一番ライブ'79 Vol.1
type: MusicAlbum
date published: 1979-08-21
track: 男らしいってわかるかい
  type: MusicRecording
  duration: PT6M22S
  duration ms: 382112
  explicit: false
  by artist: 大塚まさじ
  by artist: Tour Band
  in album: 春一番ライブ'79 Vol.1
    type: MusicAlbum
    date published: 1979-08-21
  isrc code: JPKI09851100
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T22:51:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x851709515909e399c99fe005c79702443c819c104a82dedeb18629f89d7c50f9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI09851100
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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 → block OTSBitcoinBlock must exist at that height 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 0x851709515909e399c99fe005c79702443c819c104a82dedeb18629f89d7c50f9. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/JPKI09851100.
    date published: 2026-07-08T03:53:27Z
track: ローリング・メニュー
  type: MusicRecording
  duration: PT4M23S
  duration ms: 263064
  explicit: false
  by artist: 中川イサト
  in album: 春一番ライブ'79 Vol.1
    type: MusicAlbum
    date published: 1979-08-21
track: オレンジ・キャラバン
  type: MusicRecording
  duration: PT4M17S
  duration ms: 257694
  explicit: false
  by artist: 加川良
  in album: 春一番ライブ'79 Vol.1
    type: MusicAlbum
    date published: 1979-08-21
track: 最終列車
  type: MusicRecording
  duration: PT5M28S
  duration ms: 328907
  explicit: false
  by artist: 佐久間順平
  by artist: Barrel House Revue
  in album: 春一番ライブ'79 Vol.1
    type: MusicAlbum
    date published: 1979-08-21
track: 声
  type: MusicRecording
  duration: PT3M57S
  duration ms: 237161
  explicit: false
  by artist: 佐久間順平
  by artist: Barrel House Revue
  in album: 春一番ライブ'79 Vol.1
    type: MusicAlbum
    date published: 1979-08-21
track: Baby お前が好きだよ
  type: MusicRecording
  duration: PT4M37S
  duration ms: 277401
  explicit: false
  by artist: 有山淳司
  in album: 春一番ライブ'79 Vol.1
    type: MusicAlbum
    date published: 1979-08-21
track: いちばん露骨な花
  type: MusicRecording
  duration: PT6M48S
  duration ms: 408907
  explicit: false
  by artist: 友部正人
  in album: 春一番ライブ'79 Vol.1
    type: MusicAlbum
    date published: 1979-08-21
track: いつも戸口までだったね
  type: MusicRecording
  duration: PT5M57S
  duration ms: 357023
  explicit: false
  by artist: Goro Nakagawa
  by artist: トカゲバンド
  in album: 春一番ライブ'79 Vol.1
    type: MusicAlbum
    date published: 1979-08-21
track: 腰まで泥まみれ
  type: MusicRecording
  duration: PT4M43S
  duration ms: 283406
  explicit: false
  by artist: Goro Nakagawa
  by artist: トカゲバンド
  in album: 春一番ライブ'79 Vol.1
    type: MusicAlbum
    date published: 1979-08-21

春一番ライブ'78
type: MusicAlbum
date published: 1978-08-05
track: 解き放たれる
  type: MusicRecording
  duration: PT6M31S
  duration ms: 391202
  explicit: false
  by artist: いとうたかお
  by artist: 山岡安司
  in album: 春一番ライブ'78
    type: MusicAlbum
    date published: 1978-08-05
track: 風太の失恋
  type: MusicRecording
  duration: PT4M37S
  duration ms: 277867
  explicit: false
  by artist: 青木とも子
  in album: 春一番ライブ'78
    type: MusicAlbum
    date published: 1978-08-05
track: 回想
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201401
  explicit: false
  by artist: 友川かずき
  in album: 春一番ライブ'78
    type: MusicAlbum
    date published: 1978-08-05
  isrc code: JPKI07811840
track: 家路
  type: MusicRecording
  duration: PT4M4S
  duration ms: 244662
  explicit: false
  by artist: シバ
  by artist: 三橋誠
  in album: 春一番ライブ'78
    type: MusicAlbum
    date published: 1978-08-05
track: バイバイ・ブルース
  type: MusicRecording
  duration: PT5M14S
  duration ms: 314539
  explicit: false
  by artist: シバ
  by artist: 三橋誠
  in album: 春一番ライブ'78
    type: MusicAlbum
    date published: 1978-08-05
track: ア・チェンジ・イズ・ゴーナ・カム
  type: MusicRecording
  duration: PT5M11S
  duration ms: 311934
  explicit: false
  by artist: 砂川正和とナスティー・チェイン
  in album: 春一番ライブ'78
    type: MusicAlbum
    date published: 1978-08-05
track: 回帰線
  type: MusicRecording
  duration: PT6M56S
  duration ms: 416667
  explicit: false
  by artist: 朝野由彦
  in album: 春一番ライブ'78
    type: MusicAlbum
    date published: 1978-08-05
track: 風景
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253667
  explicit: false
  by artist: 吉田佳子
  in album: 春一番ライブ'78
    type: MusicAlbum
    date published: 1978-08-05
track: 田中さんとぼく
  type: MusicRecording
  duration: PT4M52S
  duration ms: 292001
  explicit: false
  by artist: 友部正人
  in album: 春一番ライブ'78
    type: MusicAlbum
    date published: 1978-08-05
track: マイ・クレオル・ベル
  type: MusicRecording
  duration: PT5M53S
  duration ms: 353574
  explicit: false
  by artist: 中川イサト
  in album: 春一番ライブ'78
    type: MusicAlbum
    date published: 1978-08-05

ローリング・メニュー
type: MusicRecording
duration: PT4M23S
duration ms: 263064
explicit: false
by artist: 中川イサト
in album: 春一番ライブ'79 Vol.1
  type: MusicAlbum
  date published: 1979-08-21

自転車にのって(ファンキーヴァージョン)
type: MusicRecording
duration: PT3M43S
duration ms: 223387
explicit: false
by artist: Wataru Takada
by artist: 中川イサト
by artist: 村上律
in album: ごあいさつ
  type: MusicAlbum
  date published: 1973-11-10
isrc code: JPKI07252820
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T01:32:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x49220a71eab621049538e5cb5a80727aa659988c2570d9c00a2406bd773759dc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956856
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956856
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI07252820
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:25:57Z
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 → block OTSBitcoinBlock must exist at that height 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 0x49220a71eab621049538e5cb5a80727aa659988c2570d9c00a2406bd773759dc. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/JPKI07252820.
  date published: 2026-07-06T01:25:57Z

おなじみの短い手紙
type: MusicRecording
duration: PT15M17S
duration ms: 917095
explicit: false
by artist: 中川イサト
in album: フォーク・ギター
  type: MusicAlbum
  date published: 1974-03-25

ふるさと(1コーラス演奏)
type: MusicRecording
duration: PT5M4S
duration ms: 304502
explicit: false
by artist: 中川イサト
in album: フォーク・ギター
  type: MusicAlbum
  date published: 1974-03-25

12月の雨の日(1コーラス演奏)
type: MusicRecording
duration: PT4M28S
duration ms: 268814
explicit: false
by artist: 中川イサト
in album: フォーク・ギター
  type: MusicAlbum
  date published: 1974-03-25

伝道(1コーラス演奏)
type: MusicRecording
duration: PT10M54S
duration ms: 654245
explicit: false
by artist: 中川イサト
in album: フォーク・ギター
  type: MusicAlbum
  date published: 1974-03-25

夕やけこやけ(1コーラス演奏)
type: MusicRecording
duration: PT9M53S
duration ms: 593084
explicit: false
by artist: 中川イサト
in album: フォーク・ギター
  type: MusicAlbum
  date published: 1974-03-25

自転車Rag
type: MusicRecording
duration: PT1M1S
duration ms: 61036
explicit: false
by artist: 中川イサト
in album: フォーク・ギター
  type: MusicAlbum
  date published: 1974-03-25

マイ・クレオル・ベル
type: MusicRecording
duration: PT5M53S
duration ms: 353574
explicit: false
by artist: 中川イサト
in album: 春一番ライブ'78
  type: MusicAlbum
  date published: 1978-08-05