Spontania
type: MusicGroup
genre: j-pop
genre: j-r&b
popularity: 37
followers: 15843
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x99c84383b525ec8ef2631efe852d45b8156bf6903ae4ddfb53883c6768307000
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e1561681-7adb-4096-a191-69b11e5fe39e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e1561681-7adb-4096-a191-69b11e5fe39e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e1561681-7adb-4096-a191-69b11e5fe39e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
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 0x99c84383b525ec8ef2631efe852d45b8156bf6903ae4ddfb53883c6768307000. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e1561681-7adb-4096-a191-69b11e5fe39e.json and https://artists.proofprofile.net/proofs/artist/e1561681-7adb-4096-a191-69b11e5fe39e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Positivity
  type: MusicAlbum
  date published: 2007-04-04
  track: Positivity
    type: MusicRecording
    duration: PT3M58S
    duration ms: 238106
    explicit: false
    by artist: Spontania
    in album: Positivity
      type: MusicAlbum
      date published: 2007-04-04
  track: Beep Beep
    type: MusicRecording
    duration: PT3M28S
    duration ms: 208493
    explicit: false
    by artist: Spontania
    in album: Positivity
      type: MusicAlbum
      date published: 2007-04-04
  track: Take My Heart
    type: MusicRecording
    duration: PT4M12S
    duration ms: 252360
    explicit: false
    by artist: Spontania
    in album: Positivity
      type: MusicAlbum
      date published: 2007-04-04
  track: Union
    type: MusicRecording
    duration: PT3M32S
    duration ms: 212960
    explicit: false
    by artist: Spontania
    in album: Positivity
      type: MusicAlbum
      date published: 2007-04-04
album: “HANABI”／ It’s OK
  type: MusicAlbum
  date published: 2007-06-20
  track: HANABI
    type: MusicRecording
    duration: PT3M57S
    duration ms: 237893
    explicit: false
    by artist: Spontania
    in album: “HANABI”／ It’s OK
      type: MusicAlbum
      date published: 2007-06-20
  track: It’s OK
    type: MusicRecording
    duration: PT2M51S
    duration ms: 171400
    explicit: false
    by artist: Spontania
    in album: “HANABI”／ It’s OK
      type: MusicAlbum
      date published: 2007-06-20
  track: “HANABI”（INSTRUMENTAL）
    type: MusicRecording
    duration: PT3M57S
    duration ms: 237760
    explicit: false
    by artist: Spontania
    in album: “HANABI”／ It’s OK
      type: MusicAlbum
      date published: 2007-06-20
  track: It’s OK（INSTRUMENTAL）
    type: MusicRecording
    duration: PT2M50S
    duration ms: 170040
    explicit: false
    by artist: Spontania
    in album: “HANABI”／ It’s OK
      type: MusicAlbum
      date published: 2007-06-20
album: Spontaneous
  type: MusicAlbum
  date published: 2007-09-26
  track: Intro．
    type: MusicRecording
    duration: PT0M7S
    duration ms: 7706
    explicit: false
    by artist: Spontania
    in album: Spontaneous
      type: MusicAlbum
      date published: 2007-09-26
  track: Get High
    type: MusicRecording
    duration: PT4M17S
    duration ms: 257160
    explicit: false
    by artist: Spontania
    in album: Spontaneous
      type: MusicAlbum
      date published: 2007-09-26
  track: Good Vibration
    type: MusicRecording
    duration: PT3M43S
    duration ms: 223333
    explicit: false
    by artist: Spontania
    in album: Spontaneous
      type: MusicAlbum
      date published: 2007-09-26
  track: Positivity
    type: MusicRecording
    duration: PT3M56S
    duration ms: 236440
    explicit: false
    by artist: Spontania
    in album: Spontaneous
      type: MusicAlbum
      date published: 2007-09-26
  track: Miss U
    type: MusicRecording
    duration: PT4M36S
    duration ms: 276693
    explicit: false
    by artist: Spontania
    in album: Spontaneous
      type: MusicAlbum
      date published: 2007-09-26
  track: Beep Beep （Hunter’s Remix） feat． WIS
    type: MusicRecording
    duration: PT3M26S
    duration ms: 206360
    explicit: false
    by artist: Spontania
    in album: Spontaneous
      type: MusicAlbum
      date published: 2007-09-26
  track: ”HANABI”
    type: MusicRecording
    duration: PT3M58S
    duration ms: 238000
    explicit: false
    by artist: Spontania
    in album: Spontaneous
      type: MusicAlbum
      date published: 2007-09-26
  track: Journey
    type: MusicRecording
    duration: PT4M24S
    duration ms: 264400
    explicit: false
    by artist: Spontania
    in album: Spontaneous
      type: MusicAlbum
      date published: 2007-09-26
  track: It’s OK （Acoustic Ver．）
    type: MusicRecording
    duration: PT3M30S
    duration ms: 210640
    explicit: false
    by artist: Spontania
    in album: Spontaneous
      type: MusicAlbum
      date published: 2007-09-26
album: 「サヨナラ．．．」
  type: MusicAlbum
  date published: 2008-04-02
  track: 「サヨナラ．．．」
  track: Jadie
  track: 「サヨナラ．．．」（Instrumental）
  track: Jadie（Instrumental）
album: 君のすべてに
album: MUSIC
album: 同じ空みつめてるあなたに
album: コラボレーションズ BEST
album: Beautiful feat．ハリセンボン
album: JAM
album: スポンテニア
album: DEPARTURES
album: Now or Never
album: WHY
album: 愛よりも強いもの
album: The Beautiful Life
album: 君でよかった
album: ごめんなんて言わないで
album: Time
album: Find

「サヨナラ．．．」
type: MusicRecording
duration: PT4M16S
duration ms: 256959
explicit: false
by artist: Spontania
in album: 「サヨナラ．．．」
  type: MusicAlbum
  date published: 2008-04-02

Jadie
type: MusicRecording
duration: PT3M43S
duration ms: 223160
explicit: false
by artist: Spontania
in album: 「サヨナラ．．．」
  type: MusicAlbum
  date published: 2008-04-02

「サヨナラ．．．」（Instrumental）
type: MusicRecording
duration: PT4M16S
duration ms: 256105
explicit: false
by artist: Spontania
in album: 「サヨナラ．．．」
  type: MusicAlbum
  date published: 2008-04-02

Jadie（Instrumental）
type: MusicRecording
duration: PT3M44S
duration ms: 224253
explicit: false
by artist: Spontania
in album: 「サヨナラ．．．」
  type: MusicAlbum
  date published: 2008-04-02

君のすべてに
type: MusicAlbum
date published: 2008-08-13
track: 君のすべてに
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265373
  explicit: false
  by artist: Spontania
  in album: 君のすべてに
    type: MusicAlbum
    date published: 2008-08-13
track: FIESTA
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213026
  explicit: false
  by artist: Spontania
  in album: 君のすべてに
    type: MusicAlbum
    date published: 2008-08-13
track: 君のすべてに - Instrumental
  type: MusicRecording
  duration: PT4M24S
  duration ms: 264640
  explicit: false
  by artist: Spontania
  in album: 君のすべてに
    type: MusicAlbum
    date published: 2008-08-13
track: FIESTA - Instrumental
  type: MusicRecording
  duration: PT3M35S
  duration ms: 215013
  explicit: false
  by artist: Spontania
  in album: 君のすべてに
    type: MusicAlbum
    date published: 2008-08-13

MUSIC
type: MusicAlbum
date published: 2008-10-01
track: INTRODUCTION
  type: MusicRecording
  duration: PT0M27S
  duration ms: 27653
  explicit: false
  by artist: Spontania
  in album: MUSIC
    type: MusicAlbum
    date published: 2008-10-01
track: MUSIC
  type: MusicRecording
  duration: PT4M57S
  duration ms: 297226
  explicit: false
  by artist: Spontania
  in album: MUSIC
    type: MusicAlbum
    date published: 2008-10-01
track: FIESTA（GIRA MUNDO REMIX）
  type: MusicRecording
  duration: PT3M55S
  duration ms: 235013
  explicit: false
  by artist: Spontania
  in album: MUSIC
    type: MusicAlbum
    date published: 2008-10-01
track: 君のすべてに
  type: MusicRecording
  duration: PT4M24S
  duration ms: 264360
  explicit: false
  by artist: Spontania
  in album: MUSIC
    type: MusicAlbum
    date published: 2008-10-01
track: IF feat．Micro
  type: MusicRecording
  duration: PT4M17S
  duration ms: 257906
  explicit: false
  by artist: Spontania
  in album: MUSIC
    type: MusicAlbum
    date published: 2008-10-01
track: SCENARIO
  type: MusicRecording
  duration: PT4M28S
  duration ms: 268493
  explicit: false
  by artist: Spontania
  in album: MUSIC
    type: MusicAlbum
    date published: 2008-10-01
track: DAY OFF
  type: MusicRecording
  duration: PT4M43S
  duration ms: 283240
  explicit: false
  by artist: Spontania
  in album: MUSIC
    type: MusicAlbum
    date published: 2008-10-01
track: THEME
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267053
  explicit: false
  by artist: Spontania
  in album: MUSIC
    type: MusicAlbum
    date published: 2008-10-01
track: UP TO U
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260933
  explicit: false
  by artist: Spontania
  in album: MUSIC
    type: MusicAlbum
    date published: 2008-10-01
track: M
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185693
  explicit: false
  by artist: Spontania
  in album: MUSIC
    type: MusicAlbum
    date published: 2008-10-01
track: 「サヨナラ．．．」
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260613
  explicit: false
  by artist: Spontania
  in album: MUSIC
    type: MusicAlbum
    date published: 2008-10-01
  isrc code: JPPO00865490
track: ENCORE
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190560
  explicit: false
  by artist: Spontania
  in album: MUSIC
    type: MusicAlbum
    date published: 2008-10-01
track: 君のすべてに（AUTUMN VERSION）
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269520
  explicit: false
  by artist: Spontania
  in album: MUSIC
    type: MusicAlbum
    date published: 2008-10-01

同じ空みつめてるあなたに
type: MusicAlbum
date published: 1970-01-01
track: 同じ空みつめてるあなたに
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276040
  explicit: false
  by artist: Spontania
  in album: 同じ空みつめてるあなたに
    type: MusicAlbum
    date published: 1970-01-01
track: One Nation
  type: MusicRecording
  duration: PT2M38S
  duration ms: 158013
  explicit: false
  by artist: Spontania
  in album: 同じ空みつめてるあなたに
    type: MusicAlbum
    date published: 1970-01-01
track: 感謝'09 (Spontania☆Hi-Timez)
  type: MusicRecording
  duration: PT4M31S
  duration ms: 271946
  explicit: false
  by artist: Spontania
  in album: 同じ空みつめてるあなたに
    type: MusicAlbum
    date published: 1970-01-01
track: 同じ空みつめてるあなたに - Inst.
  type: MusicRecording
  duration: PT4M37S
  duration ms: 277360
  explicit: false
  by artist: Spontania
  in album: 同じ空みつめてるあなたに
    type: MusicAlbum
    date published: 1970-01-01

コラボレーションズ BEST
type: MusicAlbum
date published: 2009-01-01
track: Intro
  type: MusicRecording
  duration: PT0M33S
  duration ms: 33320
  explicit: false
  by artist: Spontania
  in album: コラボレーションズ BEST
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: JPPO00991240
track: Be With Me
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241026
  explicit: false
  by artist: Spontania
  in album: コラボレーションズ BEST
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: JPPO00991250
track: 同じ空みつめてるあなたに
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275373
  explicit: false
  by artist: Spontania
  in album: コラボレーションズ BEST
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: JPPO00979840
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T02:59:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x29a8fee5c2c7fa85d5e8acfd64fee9e6046d2cfa9db66f1ac4eb13e3e86f73da
  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/JPPO00979840
  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 0x29a8fee5c2c7fa85d5e8acfd64fee9e6046d2cfa9db66f1ac4eb13e3e86f73da. 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/JPPO00979840.
    date published: 2026-06-13T13:32:09Z
track: 君のすべてに
  type: MusicRecording
  duration: PT4M24S
  duration ms: 264653
  explicit: false
  by artist: Spontania
  in album: コラボレーションズ BEST
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: JPPO00840930
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T04:11:16+00:00
track: Where Is The Love
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279413
  explicit: false
  by artist: Spontania
  in album: コラボレーションズ BEST
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: JPPO00991260
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T20:42:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6774dcaddc16e3d375588260ac74da997aee621c055fa686ebcc54369c46ea22
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO00991260
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x6774dcaddc16e3d375588260ac74da997aee621c055fa686ebcc54369c46ea22. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO00991260.
    date published: 2026-07-08T03:20:19Z
track: 今でもずっと
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249720
  explicit: false
  by artist: Spontania
  in album: コラボレーションズ BEST
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: JPPO00894720
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T23:35:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x45eefa5c3f5e3c21259c66d7c180db39e0676b867539d20f8944634fde927b91
  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/JPPO00894720
  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 0x45eefa5c3f5e3c21259c66d7c180db39e0676b867539d20f8944634fde927b91. 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/JPPO00894720.
    date published: 2026-06-13T17:25:41Z
track: Interlude
  type: MusicRecording
  duration: PT0M15S
  duration ms: 15320
  explicit: false
  by artist: Spontania
  in album: コラボレーションズ BEST
    type: MusicAlbum
    date published: 2009-01-01
track: Three is the Magic Number
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249306
  explicit: false
  by artist: Spontania
  in album: コラボレーションズ BEST
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: JPPO00991280
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T00:10:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa32066335ecc843f83bffb4a5b46531ea6fac5fbdea6681394bdf0e670130c60
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO00991280
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: 夏夢
track: Another Story～AI「Story」Spontania Version～
track: Beep Beep （Hunter’s Remix）
track: きっと
track: 山川草木

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:22:41Z

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 0xa32066335ecc843f83bffb4a5b46531ea6fac5fbdea6681394bdf0e670130c60. 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/JPPO00991280.
date published: 2026-07-08T03:22:41Z

夏夢
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duration: PT5M10S
duration ms: 310120
explicit: false
by artist: Spontania
in album: コラボレーションズ BEST
  type: MusicAlbum
  date published: 2009-01-01
isrc code: JPPO00953280

Another Story～AI「Story」Spontania Version～
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duration: PT3M39S
duration ms: 219546
explicit: false
by artist: Spontania
in album: コラボレーションズ BEST
  type: MusicAlbum
  date published: 2009-01-01
isrc code: JPPO00963690
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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  value: 2026-06-07T06:58:28+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x2bd8c9162d89277a110e7554d02b0d0ab5cfe36a21745d7df4f7941d7e064f59
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x2bd8c9162d89277a110e7554d02b0d0ab5cfe36a21745d7df4f7941d7e064f59. 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/JPPO00963690.
  date published: 2026-06-13T17:25:41Z

Beep Beep （Hunter’s Remix）
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duration: PT3M26S
duration ms: 206026
explicit: false
by artist: Spontania
in album: コラボレーションズ BEST
  type: MusicAlbum
  date published: 2009-01-01
isrc code: JPPO00743430

きっと
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duration: PT4M30S
duration ms: 270706
explicit: false
by artist: Spontania
in album: コラボレーションズ BEST
  type: MusicAlbum
  date published: 2009-01-01
isrc code: JPPO00935350

山川草木
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duration: PT5M30S
duration ms: 330680
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by artist: Spontania
in album: コラボレーションズ BEST
  type: MusicAlbum
  date published: 2009-01-01
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023f899b3608cdf1159af3461fe04d0b2cfe3071e366baff876a85959dfce63e. 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/JPPO00991290.
  date published: 2026-07-02T05:09:12Z

Beautiful feat．ハリセンボン
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date published: 2009-11-25
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  duration: PT3M18S
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  explicit: false
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    type: MusicAlbum
    date published: 2009-11-25

JAM
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date published: 2010-01-01
track: JAM
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212133
  explicit: false
  by artist: Spontania
  in album: JAM
    type: MusicAlbum
    date published: 2010-01-01
track: WHY
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234813
  explicit: false
  by artist: Spontania
  in album: JAM
    type: MusicAlbum
    date published: 2010-01-01
track: NOW OR NEVER
  type: MusicRecording
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  explicit: false
  by artist: Spontania
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    type: MusicAlbum
    date published: 2010-01-01
track: JAM（INSTRUMENTAL）
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  duration: PT3M33S
  duration ms: 213373
  explicit: false
  by artist: Spontania
  in album: JAM
    type: MusicAlbum
    date published: 2010-01-01

スポンテニア
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date published: 2010-01-01
track: INTRO
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  duration: PT0M16S
  duration ms: 16960
  explicit: false
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    type: MusicAlbum
    date published: 2010-01-01
track: JAM
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210973
  explicit: false
  by artist: Spontania
  in album: スポンテニア
    type: MusicAlbum
    date published: 2010-01-01
track: DEPARTURES
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  duration: PT4M14S
  duration ms: 254386
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    type: MusicAlbum
    date published: 2010-01-01
track: ONE
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  duration: PT3M38S
  duration ms: 218400
  explicit: false
  by artist: Spontania
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    type: MusicAlbum
    date published: 2010-01-01
track: INTERLUDE
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  duration: PT1M35S
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    type: MusicAlbum
    date published: 2010-01-01
track: REPLY
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  duration: PT4M9S
  duration ms: 249133
  explicit: false
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    type: MusicAlbum
    date published: 2010-01-01
track: GIRLFRIEND
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  duration: PT3M33S
  duration ms: 213853
  explicit: false
  by artist: Spontania
  in album: スポンテニア
    type: MusicAlbum
    date published: 2010-01-01
track: A PLUS
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  duration: PT3M44S
  duration ms: 224746
  explicit: false
  by artist: Spontania
  in album: スポンテニア
    type: MusicAlbum
    date published: 2010-01-01
track: NOW OR NEVER
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201160
  explicit: false
  by artist: Spontania
  in album: スポンテニア
    type: MusicAlbum
    date published: 2010-01-01
track: TELL ME
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  duration: PT4M43S
  duration ms: 283786
  explicit: false
  by artist: Spontania
  in album: スポンテニア
    type: MusicAlbum
    date published: 2010-01-01
track: THE INTERVIEW
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  duration: PT4M23S
  duration ms: 263520
  explicit: false
  by artist: Spontania
  in album: スポンテニア
    type: MusicAlbum
    date published: 2010-01-01
track: LIFE
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  duration: PT3M9S
  duration ms: 189253
  explicit: false
  by artist: Spontania
  in album: スポンテニア
    type: MusicAlbum
    date published: 2010-01-01
track: OUTRO
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  duration ms: 21933
  explicit: false
  by artist: Spontania
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    type: MusicAlbum
    date published: 2010-01-01

DEPARTURES
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date published: 2010-01-01
track: DEPARTURES
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  duration: PT4M15S
  duration ms: 255053
  explicit: false
  by artist: Spontania
  in album: DEPARTURES
    type: MusicAlbum
    date published: 2010-01-01
track: NO NO NO
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  duration: PT3M24S
  duration ms: 204853
  explicit: false
  by artist: Spontania
  in album: DEPARTURES
    type: MusicAlbum
    date published: 2010-01-01
track: LIFE
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189586
  explicit: false
  by artist: Spontania
  in album: DEPARTURES
    type: MusicAlbum
    date published: 2010-01-01
track: DEPARTURES（Instrumental）
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  duration: PT4M16S
  duration ms: 256266
  explicit: false
  by artist: Spontania
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    type: MusicAlbum
    date published: 2010-01-01

Now or Never
type: MusicAlbum
date published: 2010-03-17
track: Now or Never
  type: MusicRecording
  duration: PT3M23S
  duration ms: 203160
  explicit: false
  by artist: Spontania
  in album: Now or Never
    type: MusicAlbum
    date published: 2010-03-17

WHY
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date published: 2010-04-28
track: WHY
  type: MusicRecording
  duration: PT3M57S
  duration ms: 237000
  explicit: false
  by artist: Spontania
  in album: WHY
    type: MusicAlbum
    date published: 2010-04-28

愛よりも強いもの
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date published: 2011-01-01
track: 愛よりも強いもの
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  duration: PT4M26S
  duration ms: 266026
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    type: MusicAlbum
    date published: 2011-01-01
track: いつも
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  duration: PT4M46S
  duration ms: 286840
  explicit: false
  by artist: Spontania
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    type: MusicAlbum
    date published: 2011-01-01
track: 愛よりも強いもの（INSTRUMENTAL）
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  duration: PT4M25S
  duration ms: 265373
  explicit: false
  by artist: Spontania
  in album: 愛よりも強いもの
    type: MusicAlbum
    date published: 2011-01-01
track: いつも（INSTRUMENTAL）
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  duration: PT4M48S
  duration ms: 288773
  explicit: false
  by artist: Spontania
  in album: 愛よりも強いもの
    type: MusicAlbum
    date published: 2011-01-01

The Beautiful Life
type: MusicAlbum
date published: 2011-01-01
track: Intro ～相談①～
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  duration: PT0M59S
  duration ms: 59253
  explicit: false
  by artist: Spontania
  in album: The Beautiful Life
    type: MusicAlbum
    date published: 2011-01-01
track: The Moment
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  duration: PT4M25S
  duration ms: 265373
  explicit: false
  by artist: Spontania
  in album: The Beautiful Life
    type: MusicAlbum
    date published: 2011-01-01
track: 確かな何か
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  duration: PT3M31S
  duration ms: 211373
  explicit: false
  by artist: Spontania
  in album: The Beautiful Life
    type: MusicAlbum
    date published: 2011-01-01
track: Into you
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  duration: PT4M33S
  duration ms: 273746
  explicit: false
  by artist: Spontania
  in album: The Beautiful Life
    type: MusicAlbum
    date published: 2011-01-01
track: 愛よりも強いもの
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265720
  explicit: false
  by artist: Spontania
  in album: The Beautiful Life
    type: MusicAlbum
    date published: 2011-01-01
track: Happy Birthday
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  duration: PT3M58S
  duration ms: 238826
  explicit: false
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  in album: The Beautiful Life
    type: MusicAlbum
    date published: 2011-01-01
  isrc code: JPPO01150748
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  additional property: CopyrightStatus
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0xbfa308dcb9397ebf3e47eb775a979ebd7a729ec016400ce147c8ac4f687f4713. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:39:04Z), 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/JPPO01150748.
    date published: 2026-07-15T11:39:04Z
track: Skit ～相談②～
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  duration: PT1M0S
  duration ms: 60733
  explicit: false
  by artist: Spontania
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    type: MusicAlbum
    date published: 2011-01-01
track: LOOP
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  duration: PT3M42S
  duration ms: 222840
  explicit: false
  by artist: Spontania
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    type: MusicAlbum
    date published: 2011-01-01
track: Don’t Lie
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  duration: PT4M13S
  duration ms: 253493
  explicit: false
  by artist: Spontania
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    type: MusicAlbum
    date published: 2011-01-01
track: S ＆ M
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  duration: PT3M21S
  duration ms: 201186
  explicit: false
  by artist: Spontania
  in album: The Beautiful Life
    type: MusicAlbum
    date published: 2011-01-01
track: ごめんなんて言わないで
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  duration: PT3M32S
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  explicit: false
  by artist: Spontania
  in album: The Beautiful Life
    type: MusicAlbum
    date published: 2011-01-01
track: Skit ～相談③～
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  duration: PT1M29S
  duration ms: 89453
  explicit: false
  by artist: Spontania
  in album: The Beautiful Life
    type: MusicAlbum
    date published: 2011-01-01
track: Home
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  duration: PT3M26S
  duration ms: 206640
  explicit: false
  by artist: Spontania
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    type: MusicAlbum
    date published: 2011-01-01
track: 君でよかった
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  duration: PT4M17S
  duration ms: 257266
  explicit: false
  by artist: Spontania
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    type: MusicAlbum
    date published: 2011-01-01

君でよかった
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date published: 2011-01-01
track: 君でよかった
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256000
  explicit: false
  by artist: Spontania
  in album: 君でよかった
    type: MusicAlbum
    date published: 2011-01-01
track: アカネゾラ
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  duration: PT3M40S
  duration ms: 220453
  explicit: false
  by artist: Spontania
  in album: 君でよかった
    type: MusicAlbum
    date published: 2011-01-01
track: 君でよかった（INSTRUMENTAL)
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  duration: PT4M15S
  duration ms: 255360
  explicit: false
  by artist: Spontania
  in album: 君でよかった
    type: MusicAlbum
    date published: 2011-01-01
track: アカネゾラ（INSTRUMENTAL)
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  duration: PT3M42S
  duration ms: 222386
  explicit: false
  by artist: Spontania
  in album: 君でよかった
    type: MusicAlbum
    date published: 2011-01-01

ごめんなんて言わないで
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date published: 2011-10-12
track: ごめんなんて言わないで
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212960
  explicit: false
  by artist: Spontania
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    type: MusicAlbum
    date published: 2011-10-12

Time
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date published: 2023-08-07
track: Time
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  duration: PT3M54S
  duration ms: 234632
  explicit: false
  by artist: Spontania
  in album: Time
    type: MusicAlbum
    date published: 2023-08-07
  isrc code: GBLPF6769400

Find
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    date published: 2023-08-07
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0xaa29d471aa07f0b8b4d998710d59d9e5f3dce01e704f32144963596cfd68beeb. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLPF6769401.
    date published: 2026-07-05T10:01:46Z

0: 素直になれたら
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    type: MusicAlbum
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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
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    date published: 2026-06-13T15:41:10Z
1: Kimino Subeteni
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13: DON’T CRY
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T07:53:57Z
14: さよならをキミに... feat. Spontania
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-02T03:30:09Z
15: ありがとう。愛してた人 feat. Spontania
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16: さぁいこう… feat. Spontania
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T18:50:38Z