Straightener
type: MusicGroup
genre: japanese indie
genre: j-rock
description: Straightener may refer to: Straightener (band), Japanese alternative rock band A straightening iron, a kind of hair iron Any substance used in hair straightening A shaft straightener, a device us
popularity: 41
followers: 138031
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf4bc420b205057995fe9b76c32e77ef168047087e7e49d430235f208819b9190
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953423
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3bb7ddf1-48b1-4a00-afd8-141f467d9477.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/3bb7ddf1-48b1-4a00-afd8-141f467d9477.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3bb7ddf1-48b1-4a00-afd8-141f467d9477
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T21:20:00Z
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 0xf4bc420b205057995fe9b76c32e77ef168047087e7e49d430235f208819b9190. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3bb7ddf1-48b1-4a00-afd8-141f467d9477.json and https://artists.proofprofile.net/proofs/artist/3bb7ddf1-48b1-4a00-afd8-141f467d9477.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
album: SILVER RECORD
  type: MusicAlbum
  date published: 2002-10-09
  track: SILVER STAR
    type: MusicRecording
    duration: PT2M41S
    duration ms: 161426
    explicit: false
    by artist: Straightener
    in album: SILVER RECORD
      type: MusicAlbum
      date published: 2002-10-09
    genre: japanese indie
    genre: j-rock
    isrc code: JPPO02500495
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T17:27:36+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
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      type: PropertyValue
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/958340
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02500495
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T03:01:58Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x7c31bc09f8ba8c74cb1b05a44b69a2812ae2d70065daa3b236450723784cefe7. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T03:01:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02500495.
      date published: 2026-07-17T03:01:58Z
    audio: SILVER STAR
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 187.996
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.307
      additional property: Energy
        type: PropertyValue
        value: 0.932
      additional property: Speechiness
        type: PropertyValue
        value: 0.059
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.006
      additional property: Liveness
        type: PropertyValue
        value: 0.164
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.541
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.292
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
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  track: DJ ROLL
    type: MusicRecording
    duration: PT3M48S
    duration ms: 228613
    explicit: false
    by artist: Straightener
    in album: SILVER RECORD
      type: MusicAlbum
      date published: 2002-10-09
    genre: japanese indie
    genre: j-rock
    isrc code: JPPO02500496
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    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
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      value: https://explorer.copyrightchains.com/tx/0x9f173851ffca60063063b40682e4457fab6a9c40f1d46719e10e44aee233d551
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956713
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956713
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02500496
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T23:03:25Z
    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 0x9f173851ffca60063063b40682e4457fab6a9c40f1d46719e10e44aee233d551. Chain 2 (Bitcoin): anchored in block 956713 (2026-07-04T23:03:25Z), 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/JPPO02500496.
      date published: 2026-07-04T23:03:25Z
    audio: DJ ROLL
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
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      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.291
      additional property: Energy
        type: PropertyValue
        value: 0.905
      additional property: Speechiness
        type: PropertyValue
        value: 0.048
      additional property: Acousticness
        type: PropertyValue
        value: 0.066
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.03
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Silent Film Soundtrack
album: LOST WORLD'S ANTHOLOGY
album: TENDER
album: ROCK END ROLL
album: KILLER TUNE / PLAY THE STARGUITAR
album: TITLE
album: Early Years
album: THE REMAINS
album: STRAIGHTENER SPECIAL 01
album: Melodic Storm
album: Dear Deadman
album: BERSERKER TUNE
album: SIX DAY WONDER
album: TRAIN
album: リニア
album: Immortal
album: Black Hole
album: Little Miss Weekend
album: Lightning
album: Nexus
album: CLONE／DONKEY BOOGIE DODO
album: Man - like Creatures
album: CREATURES
album: STOUT
album: VANDALISM / SILLY PARADE
album: YOU and I / 羊の群れは丘を登る
album: STRAIGHTENER
album: SOFT
album: From Noon Till Dawn
album: The Best 3 ストレイテナー
album: 21st CENTURY ROCK BAND
album: Resplendent
album: Super Magical Illusion
album: 冬の太陽／The World Record
album: Behind The Scene
album: The Place Has No Name
album: NO ～命の跡に咲いた花～
album: Behind The Tokyo
album: DAY TO DAY
album: シーグラス
album: 原色
album: COLD DISC
album: 月に読む手紙
album: 灯り
album: Boy Friend
album: The Future Is Now / タイムリープ
album: Future Soundtrack
album: Braver
album: Can't remember
album: BEST of U -side DAY-
album: BEST of U -side NIGHT-
album: スパイラル
album: Blank Map
album: Graffiti
album: カモメ
album: 叫ぶ星
album: さよならだけがおしえてくれた
album: Applause
album: 宇宙の夜 二人の朝
album: Crank Up
album: 冬ノ道ノセイ

Valence (Positivity)
type: PropertyValue
value: 0.438

Loudness (dB)
type: PropertyValue
value: -5.397

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

Silent Film Soundtrack
type: MusicAlbum
date published: 2003-04-16
track: COLD SLEEP
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228333
  explicit: false
  by artist: Straightener
  in album: Silent Film Soundtrack
    type: MusicAlbum
    date published: 2003-04-16
  genre: japanese indie
  genre: j-rock
  isrc code: JPPO02500499
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T00:44:54+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x993da80e1a173e6f1efbb2ebf8d75bbd1f35b6e4cd891bf0be7aba0df52b8f63
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02500499
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:43:49Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x993da80e1a173e6f1efbb2ebf8d75bbd1f35b6e4cd891bf0be7aba0df52b8f63. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02500499.
    date published: 2026-07-05T01:43:49Z
  audio: COLD SLEEP
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 185.962
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.313
    additional property: Energy
      type: PropertyValue
      value: 0.926
    additional property: Speechiness
      type: PropertyValue
      value: 0.092
    additional property: Acousticness
      type: PropertyValue
      value: 0.001
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.06
    additional property: Liveness
      type: PropertyValue
      value: 0.079
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.217
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.994
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
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LOST WORLD'S ANTHOLOGY
type: MusicAlbum
date published: 2004

TENDER
type: MusicAlbum
date published: 2004-02-18

LOST WORLD'S ANTHOLOGY
type: MusicAlbum
date published: 2004-04-21
track: TRAVELING GARGOYLE
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193866
  explicit: false
  by artist: Straightener
  in album: LOST WORLD'S ANTHOLOGY
    type: MusicAlbum
    date published: 2004-04-21
  genre: japanese indie
  genre: j-rock
  isrc code: JPTO00302013
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T04:03:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5b9317c29d557e22980e60f3dd659ffb67479daf067a67fac1c0caacb6e6b434
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958362
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/958362
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00302013
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T04:32:48Z
  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 0x5b9317c29d557e22980e60f3dd659ffb67479daf067a67fac1c0caacb6e6b434. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/JPTO00302013.
    date published: 2026-07-17T04:32:48Z
  audio: TRAVELING GARGOYLE
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 95.021
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.511
    additional property: Energy
      type: PropertyValue
      value: 0.821
    additional property: Speechiness
      type: PropertyValue
      value: 0.048
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.009
    additional property: Liveness
      type: PropertyValue
      value: 0.256
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.601
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.284
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: FREEZING
  type: MusicRecording
  duration: PT4M49S
  duration ms: 289866
  explicit: false
  by artist: Straightener
  in album: LOST WORLD'S ANTHOLOGY
    type: MusicAlbum
    date published: 2004-04-21
  genre: japanese indie
  genre: j-rock
  isrc code: JPTO00302424
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T15:19:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb7da34a609968c0f21dc786b68eb24f4337197935ed19357429f12954db712e7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958749
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/958749
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00302424
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T18:22:36Z
  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 0xb7da34a609968c0f21dc786b68eb24f4337197935ed19357429f12954db712e7. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T18:22:36Z), 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/JPTO00302424.
    date published: 2026-07-19T18:22:36Z
  audio: FREEZING
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 97.472
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.477
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.049
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.239
    additional property: Liveness
      type: PropertyValue
      value: 0.393
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.553
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.907
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

ROCK END ROLL
type: MusicAlbum
date published: 2004-06-23

KILLER TUNE / PLAY THE STARGUITAR
type: MusicAlbum
date published: 2004-12-01

TITLE
type: MusicAlbum
date published: 2005-01-26
track: SAD AND BEAUTIFUL WORLD
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231400
  explicit: false
  by artist: Straightener
  in album: TITLE
    type: MusicAlbum
    date published: 2005-01-26
  genre: japanese indie
  genre: j-rock
  isrc code: JPTO00401824
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-02T23:11:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfa843bde2e8525136376ef9696bcd593ef9acd3f14a8119b99e32e495e571d31
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956420
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00401824
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T00:42:11Z
  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 0xfa843bde2e8525136376ef9696bcd593ef9acd3f14a8119b99e32e495e571d31. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/JPTO00401824.
    date published: 2026-07-03T00:42:11Z
  audio: SAD AND BEAUTIFUL WORLD
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.304
    additional property: Energy
      type: PropertyValue
      value: 0.905
    additional property: Speechiness
      type: PropertyValue
      value: 0.066
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.718
    additional property: Liveness
      type: PropertyValue
      value: 0.129
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.387
    additional property: Loudness (dB)
      type: PropertyValue
      value: -2.365
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: PLAY THE STAR GUITAR
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184466
  explicit: false
  by artist: Straightener
  in album: TITLE
    type: MusicAlbum
    date published: 2005-01-26
  genre: japanese indie
  genre: j-rock
  isrc code: JPTO00401567
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T08:58:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbd3f164e14e97bf28c686ce0d3c743d8b24ad92b02070e595c1a14ad0fdcd00e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00401567
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0xbd3f164e14e97bf28c686ce0d3c743d8b24ad92b02070e595c1a14ad0fdcd00e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00401567.
    date published: 2026-07-02T16:51:38Z
  audio: PLAY THE STAR GUITAR
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 177.808
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.212
    additional property: Energy
      type: PropertyValue
      value: 0.936
    additional property: Speechiness
      type: PropertyValue
      value: 0.112
    additional property: Acousticness
      type: PropertyValue
      value: 0.001
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.359
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.199
    additional property: Loudness (dB)
      type: PropertyValue
      value: -1.85
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 泳ぐ鳥
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189426
  explicit: false
  by artist: Straightener
  in album: TITLE
    type: MusicAlbum
    date published: 2005-01-26
  genre: japanese indie
  genre: j-rock
  isrc code: JPTO00401825
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T08:56:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x70a3cbb074f1feccee0bb12f4490ca6fb983072d25ffba8d068cc1c3a708f3ef
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 泳ぐ鳥
track: TENDER - TITLE Version
track: REBIRTH
track: STILLNESS IN TIME
track: AGAINST THE WALL
track: KILLER TUNE - Natural Born Killer Tune Mix

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956375

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00401825

OTSTimestamp
type: PropertyValue
value: 2026-07-02T16:51:38Z

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 0x70a3cbb074f1feccee0bb12f4490ca6fb983072d25ffba8d068cc1c3a708f3ef. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00401825.
date published: 2026-07-02T16:51:38Z

泳ぐ鳥
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 177.515
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.365
additional property: Energy
  type: PropertyValue
  value: 0.936
additional property: Speechiness
  type: PropertyValue
  value: 0.096
additional property: Acousticness
  type: PropertyValue
  value: 0.001
additional property: Instrumentalness
  type: PropertyValue
  value: 0.223
additional property: Liveness
  type: PropertyValue
  value: 0.047
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.414
additional property: Loudness (dB)
  type: PropertyValue
  value: -2.211
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Major

TENDER - TITLE Version
type: MusicRecording
duration: PT4M40S
duration ms: 280800
explicit: false
by artist: Straightener
in album: TITLE
  type: MusicAlbum
  date published: 2005-01-26
genre: japanese indie
genre: j-rock
isrc code: JPTO00401826
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-29T08:57:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb9495e2af0e61d02dbf744902ed7a9d7739dcb20b912938e4e7afcbf4639399b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956375
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956375
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00401826
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0xb9495e2af0e61d02dbf744902ed7a9d7739dcb20b912938e4e7afcbf4639399b. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00401826.
  date published: 2026-07-02T16:51:38Z
audio: TENDER - TITLE Version
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.663
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.402
  additional property: Energy
    type: PropertyValue
    value: 0.835
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.033
  additional property: Liveness
    type: PropertyValue
    value: 0.07
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.317
  additional property: Loudness (dB)
    type: PropertyValue
    value: -2.888
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

REBIRTH
type: MusicRecording
duration: PT3M24S
duration ms: 204600
explicit: false
by artist: Straightener
in album: TITLE
  type: MusicAlbum
  date published: 2005-01-26
genre: japanese indie
genre: j-rock
isrc code: JPTO00401827
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T01:00:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2e1123e80fe901cd36197acec88560d5e6e05dad4d29db3aa368ce297ee2bc82
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956742
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956742
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00401827
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T05:07:15Z
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 0x2e1123e80fe901cd36197acec88560d5e6e05dad4d29db3aa368ce297ee2bc82. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-05T05:07:15Z), 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/JPTO00401827.
  date published: 2026-07-05T05:07:15Z
audio: REBIRTH
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.754
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.354
  additional property: Energy
    type: PropertyValue
    value: 0.882
  additional property: Speechiness
    type: PropertyValue
    value: 0.077
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.161
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.469
  additional property: Loudness (dB)
    type: PropertyValue
    value: -1.428
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

STILLNESS IN TIME
type: MusicRecording
duration: PT2M43S
duration ms: 163533
explicit: false
by artist: Straightener
in album: TITLE
  type: MusicAlbum
  date published: 2005-01-26
genre: japanese indie
genre: j-rock
isrc code: JPTO00401828
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T14:43:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3c8405a5869067d0fdeea0bf26f0ae0687e9131575b78ac277391ee36d87667a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956826
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956826
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00401828
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T19:27:56Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x3c8405a5869067d0fdeea0bf26f0ae0687e9131575b78ac277391ee36d87667a. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00401828.
  date published: 2026-07-05T19:27:56Z
audio: STILLNESS IN TIME
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.593
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.386
  additional property: Energy
    type: PropertyValue
    value: 0.776
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.271
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.234
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.801
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

AGAINST THE WALL
type: MusicRecording
duration: PT4M40S
duration ms: 280066
explicit: false
by artist: Straightener
in album: TITLE
  type: MusicAlbum
  date published: 2005-01-26
genre: japanese indie
genre: j-rock
isrc code: JPTO00401829
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T06:14:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7c2092e892e331e515d6d553ca56f2b929b4346fd797eb475702c33b25436544
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956790
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956790
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00401829
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T12:31:54Z
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 0x7c2092e892e331e515d6d553ca56f2b929b4346fd797eb475702c33b25436544. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/JPTO00401829.
  date published: 2026-07-05T12:31:54Z
audio: AGAINST THE WALL
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.693
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.392
  additional property: Energy
    type: PropertyValue
    value: 0.788
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.272
  additional property: Liveness
    type: PropertyValue
    value: 0.41
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.346
  additional property: Loudness (dB)
    type: PropertyValue
    value: -2.935
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

KILLER TUNE - Natural Born Killer Tune Mix
type: MusicRecording
duration: PT3M39S
duration ms: 219133
explicit: false
by artist: Straightener
in album: TITLE
  type: MusicAlbum
  date published: 2005-01-26
genre: japanese indie
genre: j-rock
isrc code: JPTO00401833
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T16:20:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6e0ff0943d2c5dc390e7d86a2f55971bc044f8d083fbf86fb3cb7d0be091dacb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958377
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/958377
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00401833
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T06:48:00Z
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 0x6e0ff0943d2c5dc390e7d86a2f55971bc044f8d083fbf86fb3cb7d0be091dacb. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/JPTO00401833.
  date published: 2026-07-17T06:48:00Z
audio: KILLER TUNE - Natural Born Killer Tune Mix
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.718
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.407
  additional property: Energy
    type: PropertyValue
    value: 0.952
  additional property: Speechiness
    type: PropertyValue
    value: 0.133
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.069
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.512
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.842
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Early Years
type: MusicAlbum
date published: 2005-04-13
track: YES, SIR
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193600
  explicit: false
  by artist: Straightener
  in album: Early Years
    type: MusicAlbum
    date published: 2005-04-13
  genre: japanese indie
  genre: j-rock
  isrc code: JPA960510177
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T14:28:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPA960510177
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T19:27:56Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x0716fcb9e94c9f31f32730e0e40f6e1c253bd4db597bc588007a5a7953269360. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPA960510177.
    date published: 2026-07-05T19:27:56Z
  audio: YES, SIR
    type: AudioObject
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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THE REMAINS
type: MusicAlbum
date published: 2005-06-15

STRAIGHTENER SPECIAL 01
type: MusicAlbum
date published: 2005-08-17

Melodic Storm
type: MusicAlbum
date published: 2006-01-18
track: Melodic Storm
  type: MusicRecording
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  duration ms: 225214
  explicit: false
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    type: MusicAlbum
    date published: 2006-01-18
  genre: japanese indie
  genre: j-rock
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T22:34:59Z
  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 0xa793158423a2ce013f101e555898926584d7e724fd12ff21cc3dd88567e3e470. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-19T22:34:59Z), 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/JPTO00502881.
    date published: 2026-07-19T22:34:59Z
  audio: Melodic Storm
    type: AudioObject
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Dear Deadman
type: MusicAlbum
date published: 2006-03-08
track: The Novemberist
  type: MusicRecording
  duration: PT4M5S
  duration ms: 245653
  explicit: false
  by artist: Straightener
  in album: Dear Deadman
    type: MusicAlbum
    date published: 2006-03-08
  genre: japanese indie
  genre: j-rock
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
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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 0x6eb982b764ed0a2fb2275bec64b2f534bfe97ec83e8cadd81518345ee19e6c1d. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/JPTO00502995.
    date published: 2026-07-13T16:39:18Z
  audio: The Novemberist
    type: AudioObject
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: DISCOGRAPHY
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  by artist: Straightener
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    type: MusicAlbum
    date published: 2006-03-08
  genre: japanese indie
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  additional property: CopyrightStatus
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00500443
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T19:12:23Z
  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 0x58e65e55c0e06f1e58de4bc56eaac7b4490d028c66367ed0f8192dbae60c4114. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/JPTO00500443.
    date published: 2026-07-17T19:12:23Z
  audio: DISCOGRAPHY
    type: AudioObject
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: Farewell Dear Deadman
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    date published: 2006-03-08
  genre: japanese indie
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Farewell Dear Deadman

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00503026

OTSTimestamp
type: PropertyValue
value: 2026-07-04T23:03:25Z

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 0xe16356068990eb324a3507e15b81fc5c58d1b52d760b380eaaea60eec2cd6c96. Chain 2 (Bitcoin): anchored in block 956713 (2026-07-04T23:03:25Z), 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/JPTO00503026.
date published: 2026-07-04T23:03:25Z

Farewell Dear Deadman
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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BERSERKER TUNE
type: MusicAlbum
date published: 2006-10-25

SIX DAY WONDER
type: MusicAlbum
date published: 2007-01-10

TRAIN
type: MusicAlbum
date published: 2007-02-14

リニア
type: MusicAlbum
date published: 2007-03-07
track: SIX DAY WONDER
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x3e1c615e458b0e56740ad94e3a695c1b9356d5306d2f616f419fc5c8fbc814c2. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00601813.
    date published: 2026-07-04T10:04:33Z
  audio: SIX DAY WONDER
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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Immortal
type: MusicAlbum
date published: 2007-11-21

Black Hole
type: MusicAlbum
date published: 2008-10-01

Little Miss Weekend
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date published: 2008-11-26

Lightning
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date published: 2009-01-14

Nexus
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date published: 2009-02-11
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8f85d8d85b25664af0e7b4d3de884f9319e78ec08d3ed260de73151c30653a3. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00801893.
    date published: 2026-07-05T10:59:37Z
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  additional property: OTSTimestamp
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    value: 2026-07-05T10:01:46Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x459af599f904b40691cd252f2afed48c3d360dbe462e75af18640ee3f8d7d5cf. 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/JPTO00801894.
    date published: 2026-07-05T10:01:46Z
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: Stilt
  type: MusicRecording
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  explicit: false
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    type: MusicAlbum
    date published: 2009-02-11
  genre: japanese indie
  genre: j-rock
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  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
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  subject of: OpenTimestamps Proof of Existence
  audio: Stilt

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/957882

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00801897

OTSTimestamp
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value: 2026-07-13T16:48:10Z

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 0xdc76e78c789eb848ece40ae532889756663859b121920ec45df2ae71b24d02c7. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/JPTO00801897.
date published: 2026-07-13T16:48:10Z

Stilt
type: AudioObject
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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CLONE／DONKEY BOOGIE DODO
type: MusicAlbum
date published: 2009-08-05

Man - like Creatures
type: MusicAlbum
date published: 2010-01-13

CREATURES
type: MusicAlbum
date published: 2010-03-03

STOUT
type: MusicAlbum
date published: 2011-01-12
track: BERSERKER TUNE - STOUT ver.
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    type: MusicAlbum
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  genre: japanese indie
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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 0xa217ddf2cab68d475d1d5fc7dd1586fc008f6234f0c8fb7b3d34fd1820ad3b9a. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO01001573.
    date published: 2026-07-05T10:59:37Z
  audio: BERSERKER TUNE - STOUT ver.
    type: AudioObject
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: FREEZING - STOUT ver.
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    type: MusicAlbum
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  genre: japanese indie
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  additional property: CopyrightChainExplorerURL
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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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x014f109e5d18e7bb9687531a4044c74b255400df1a31a14846bd7c40e0099979. 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/JPTO01001577.
    date published: 2026-07-05T10:01:46Z
  audio: FREEZING - STOUT ver.
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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VANDALISM / SILLY PARADE
type: MusicAlbum
date published: 2011-04-06

YOU and I / 羊の群れは丘を登る
type: MusicAlbum
date published: 2011-07-13

STRAIGHTENER
type: MusicAlbum
date published: 2011-07-29
track: プレアデス
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  genre: japanese indie
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  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe97eb0b1774334fa60c5bc810e832af69f34c5b0eddf73fd1ccd543e25495faf. Chain 2 (Bitcoin): anchored in block 958736 (2026-07-19T16:02:00Z), 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/JPTO01100458.
    date published: 2026-07-19T16:02:00Z
  audio: プレアデス
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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track: KINGMAKER
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0xa9b04c8f8a70bdf19589e7e80effdfe2da1c5b9a21fb8ec4e106bf7c4f384972. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO01100459.
    date published: 2026-07-04T22:48:52Z
  audio: KINGMAKER
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    additional property: Danceability
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    additional property: Acousticness
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SOFT
type: MusicAlbum
date published: 2012-06-08

From Noon Till Dawn
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date published: 2012-10-12
track: 星の夢
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-19T07:14:39Z
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The Best 3 ストレイテナー
type: MusicAlbum
date published: 2012-12-05

21st CENTURY ROCK BAND
type: MusicAlbum
date published: 2013-04-26

21st CENTURY ROCK BAND
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date published: 2013-05-01
track: TENDER - TITLE Version
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  additional property: OTSTimestamp
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    value: 2026-07-05T10:59:37Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0xb9495e2af0e61d02dbf744902ed7a9d7739dcb20b912938e4e7afcbf4639399b. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00401826.
    date published: 2026-07-05T10:59:37Z
  audio: TENDER - TITLE Version
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 125.903
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.365
    additional property: Energy
      type: PropertyValue
      value: 0.872
    additional property: Speechiness
      type: PropertyValue
      value: 0.054
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.182
    additional property: Liveness
      type: PropertyValue
      value: 0.111
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.275
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.282
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: REMINDER
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229760
  explicit: false
  by artist: Straightener
  in album: 21st CENTURY ROCK BAND
    type: MusicAlbum
    date published: 2013-05-01
  genre: japanese indie
  genre: j-rock
  isrc code: JPTO00400821
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T03:10:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfd291391aa934df89523b31e236645bb3de0e8bf4cd334ddb56693291fca5298
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958357
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/958357
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00400821
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T03:33:42Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0xfd291391aa934df89523b31e236645bb3de0e8bf4cd334ddb56693291fca5298. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00400821.
    date published: 2026-07-17T03:33:42Z
  audio: REMINDER
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 159.81
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.315
    additional property: Energy
      type: PropertyValue
      value: 0.965
    additional property: Speechiness
      type: PropertyValue
      value: 0.141
    additional property: Acousticness
      type: PropertyValue
      value: 0.001
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.159
    additional property: Liveness
      type: PropertyValue
      value: 0.105
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.16
    additional property: Loudness (dB)
      type: PropertyValue
      value: -2.701
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: KILLER TUNE - Natural Born Killer Tune Mix
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216040
  explicit: false
  by artist: Straightener
  in album: 21st CENTURY ROCK BAND
    type: MusicAlbum
    date published: 2013-05-01
  genre: japanese indie
  genre: j-rock
  isrc code: JPTO00401833
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6e0ff0943d2c5dc390e7d86a2f55971bc044f8d083fbf86fb3cb7d0be091dacb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958508
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/958508
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: KILLER TUNE - Natural Born Killer Tune Mix
track: DISCOGRAPHY
track: SIX DAY WONDER
track: TRAIN
track: シンクロ

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00401833

OTSTimestamp
type: PropertyValue
value: 2026-07-18T06:27:01Z

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 0x6e0ff0943d2c5dc390e7d86a2f55971bc044f8d083fbf86fb3cb7d0be091dacb. Chain 2 (Bitcoin): anchored in block 958508 (2026-07-18T06:27:01Z), 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/JPTO00401833.
date published: 2026-07-18T06:27:01Z

KILLER TUNE - Natural Born Killer Tune Mix
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 129.979
additional property: Musical Key
  type: PropertyValue
  value: 8
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.38
additional property: Energy
  type: PropertyValue
  value: 0.925
additional property: Speechiness
  type: PropertyValue
  value: 0.149
additional property: Acousticness
  type: PropertyValue
  value: 0
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.259
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.524
additional property: Loudness (dB)
  type: PropertyValue
  value: -4.283
additional property: Key Name
  type: PropertyValue
  value: Ab
additional property: Mode Name
  type: PropertyValue
  value: Minor

DISCOGRAPHY
type: MusicRecording
duration: PT4M52S
duration ms: 292253
explicit: false
by artist: Straightener
in album: 21st CENTURY ROCK BAND
  type: MusicAlbum
  date published: 2013-05-01
genre: japanese indie
genre: j-rock
isrc code: JPTO00500443
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T22:52:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x58e65e55c0e06f1e58de4bc56eaac7b4490d028c66367ed0f8192dbae60c4114
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958212
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/958212
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00500443
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T01:57:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x58e65e55c0e06f1e58de4bc56eaac7b4490d028c66367ed0f8192dbae60c4114. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-16T01:57:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00500443.
  date published: 2026-07-16T01:57:38Z
audio: DISCOGRAPHY
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.284
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.486
  additional property: Energy
    type: PropertyValue
    value: 0.834
  additional property: Speechiness
    type: PropertyValue
    value: 0.076
  additional property: Acousticness
    type: PropertyValue
    value: 0.001
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.193
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.649
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.401
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

SIX DAY WONDER
type: MusicRecording
duration: PT3M48S
duration ms: 228986
explicit: false
by artist: Straightener
in album: 21st CENTURY ROCK BAND
  type: MusicAlbum
  date published: 2013-05-01
genre: japanese indie
genre: j-rock
isrc code: JPTO00601813
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-29T08:56:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3e1c615e458b0e56740ad94e3a695c1b9356d5306d2f616f419fc5c8fbc814c2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956375
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956375
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00601813
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x3e1c615e458b0e56740ad94e3a695c1b9356d5306d2f616f419fc5c8fbc814c2. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00601813.
  date published: 2026-07-02T16:51:38Z
audio: SIX DAY WONDER
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.193
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.525
  additional property: Energy
    type: PropertyValue
    value: 0.881
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.01
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.493
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.377
  additional property: Loudness (dB)
    type: PropertyValue
    value: -2.659
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

TRAIN
type: MusicRecording
duration: PT3M49S
duration ms: 229066
explicit: false
by artist: Straightener
in album: 21st CENTURY ROCK BAND
  type: MusicAlbum
  date published: 2013-05-01
genre: japanese indie
genre: j-rock
isrc code: JPTO00601881
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T06:03:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x418fc9000e80db95c6a67c576aca5f9675c8862d8d5561fc549cf7d5b70b4f14
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958544
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/958544
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00601881
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T12:14:37Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x418fc9000e80db95c6a67c576aca5f9675c8862d8d5561fc549cf7d5b70b4f14. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO00601881.
  date published: 2026-07-18T12:14:37Z
audio: TRAIN
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.032
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.413
  additional property: Energy
    type: PropertyValue
    value: 0.991
  additional property: Speechiness
    type: PropertyValue
    value: 0.135
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.196
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.285
  additional property: Loudness (dB)
    type: PropertyValue
    value: -2.194
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

シンクロ
type: MusicRecording
duration: PT4M40S
duration ms: 280546
explicit: false
by artist: Straightener
in album: 21st CENTURY ROCK BAND
  type: MusicAlbum
  date published: 2013-05-01
genre: japanese indie
genre: j-rock
isrc code: JPTO01200749
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T03:44:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc47af291936bed13539d846f3e2440ba4bfd46da14a3526d70d7a3675d5760c3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958690
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/958690
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO01200749
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T07:14:39Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0xc47af291936bed13539d846f3e2440ba4bfd46da14a3526d70d7a3675d5760c3. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO01200749.
  date published: 2026-07-19T07:14:39Z
audio: シンクロ
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 74.948
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.415
  additional property: Energy
    type: PropertyValue
    value: 0.479
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.085
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.072
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.412
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.864
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Resplendent
type: MusicAlbum
date published: 2013-09-11
track: シンデレラソング
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187226
  explicit: false
  by artist: Straightener
  in album: Resplendent
    type: MusicAlbum
    date published: 2013-09-11
  genre: japanese indie
  genre: j-rock
  isrc code: JPTO01304265
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T08:56:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb327d7ee2f798b180d652833286111d3739221667043d7546e8a4894bb3d47b9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO01304265
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0xb327d7ee2f798b180d652833286111d3739221667043d7546e8a4894bb3d47b9. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO01304265.
    date published: 2026-07-02T16:51:38Z
  audio: シンデレラソング
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
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track: BRILLIANT DREAMER
  type: MusicRecording
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  by artist: Straightener
  in album: Resplendent
    type: MusicAlbum
    date published: 2013-09-11
  genre: japanese indie
  genre: j-rock
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  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  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 0x84a79d1569903d17f15fa96930d18147a06f7eda0eabfc76506cf92cafa33a59. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/JPTO01304266.
    date published: 2026-07-17T21:28:36Z
  audio: BRILLIANT DREAMER
    type: AudioObject
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Resplendent
type: MusicAlbum
date published: 2013-12-10

Super Magical Illusion
type: MusicAlbum
date published: 2014-06-25

冬の太陽／The World Record
type: MusicAlbum
date published: 2014-09-17

Behind The Scene
type: MusicAlbum
date published: 2014-10-22
track: Super Magical Illusion
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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 0x4ee191b836388ed7cf6c1308ef8db8e07b1dd15ae922b4b99866aca2ccd805aa. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01404213.
    date published: 2026-07-18T19:27:02Z
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    type: AudioObject
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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track: Yeti
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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 0x3f0bf1d009c36d84f9e5e35499adb2c2588cbeaf0082bca9b0876e072c5ac465. 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/JPPO01408928.
    date published: 2026-07-06T01:25:57Z
  audio: Yeti
    type: AudioObject
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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The Place Has No Name
type: MusicAlbum
date published: 2015-04-08

The Place Has No Name
type: MusicAlbum
date published: 2015-04-22

NO ～命の跡に咲いた花～
type: MusicAlbum
date published: 2015-07-15

Behind The Tokyo
type: MusicAlbum
date published: 2015-08-05

DAY TO DAY
type: MusicAlbum
date published: 2015-11-11

シーグラス
type: MusicAlbum
date published: 2016-04-20

原色
type: MusicAlbum
date published: 2016-05-11

COLD DISC
type: MusicAlbum
date published: 2016-05-18
track: Curtain Falls
  type: MusicRecording
  duration: PT5M3S
  duration ms: 303626
  explicit: false
  by artist: Straightener
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    date published: 2016-05-18
  genre: japanese indie
  genre: j-rock
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  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x776ad13ab05634c9561f91234285c79992ed4cdb249a26729e1b2e70d10b6f58. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/JPPO01505825.
    date published: 2026-07-03T00:42:11Z
  audio: Curtain Falls
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
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track: Alternative Dancer
  type: MusicRecording
  duration: PT5M4S
  duration ms: 304040
  explicit: false
  by artist: Straightener
  in album: COLD DISC
    type: MusicAlbum
    date published: 2016-05-18
  genre: japanese indie
  genre: j-rock
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  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
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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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17bf9377c36dfe41e926f6997c7fdda25813840d6574b9de75860cddf2a0e8fa. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/JPPO01615148.
    date published: 2026-07-03T00:42:11Z
  audio: Alternative Dancer
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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track: Dark City
  type: MusicRecording
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  in album: COLD DISC
    type: MusicAlbum
    date published: 2016-05-18
  genre: japanese indie
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Dark City
track: The Place Has No Name
track: 覚星

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956772

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01615149

OTSTimestamp
type: PropertyValue
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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 0x7782b549c807f0c72999e32b95995db06af4f47969fbadd7a4b9ed337d5f7d98. 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/JPPO01615149.
date published: 2026-07-05T10:01:46Z

Dark City
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
  type: PropertyValue
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The Place Has No Name
type: MusicRecording
duration: PT3M17S
duration ms: 197320
explicit: false
by artist: Straightener
in album: COLD DISC
  type: MusicAlbum
  date published: 2016-05-18
genre: japanese indie
genre: j-rock
isrc code: JPPO01502526
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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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 0xbdbb6748176e4032003a01a11bc977cdcbd349b898b22e47ae08752f39402c65. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/JPPO01502526.
  date published: 2026-07-19T10:15:55Z
audio: The Place Has No Name
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.531
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.187
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
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覚星
type: MusicRecording
duration: PT4M39S
duration ms: 279920
explicit: false
by artist: Straightener
in album: COLD DISC
  type: MusicAlbum
  date published: 2016-05-18
genre: japanese indie
genre: j-rock
isrc code: JPPO01502527
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-05T17:04:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xca8e3d0ebcecaa345c41b28a5e66f46d9d4e35b29102f80f158bb25a90309e4b
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956826
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01502527
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T19:27:56Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0xca8e3d0ebcecaa345c41b28a5e66f46d9d4e35b29102f80f158bb25a90309e4b. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01502527.
  date published: 2026-07-05T19:27:56Z
audio: 覚星
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.453
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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月に読む手紙
type: MusicAlbum
date published: 2017-09-08

灯り
type: MusicAlbum
date published: 2017-11-15
track: 灯り
  type: MusicRecording
  duration: PT4M28S
  duration ms: 268573
  explicit: false
  by artist: Straightener
  in album: 灯り
    type: MusicAlbum
    date published: 2017-11-15
  genre: japanese indie
  genre: j-rock
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  additional property: CopyrightStatus
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01705796
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  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 0xb7cc31c6c89146308440ee43d6d808f5e094b59203d34580da881e371a4d1551. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/JPPO01705796.
    date published: 2026-06-13T15:41:10Z
  audio: 灯り
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.451
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.345
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.153
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
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track: 鱗(うろこ)
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279440
  explicit: false
  by artist: Straightener
  in album: 灯り
    type: MusicAlbum
    date published: 2017-11-15
  genre: japanese indie
  genre: j-rock
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  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/JPPO01705797
  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 0x1cef4e3d721a9b69967ff9a06a2e4283f804cea915d1f431024c8910aa9250ea. 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/JPPO01705797.
    date published: 2026-06-13T17:25:41Z
  audio: 鱗(うろこ)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
      value: 0.331
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.001
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.007
    additional property: Liveness
      type: PropertyValue
      value: 0.179
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.272
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.035
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
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track: 灯り - instrumental
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267920
  explicit: false
  by artist: Straightener
  in album: 灯り
    type: MusicAlbum
    date published: 2017-11-15
  genre: japanese indie
  genre: j-rock
  isrc code: JPPO01705798
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd4753db972adc87c06d12072396be0f4db78a5afc65916eef6365170e36ef836
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 灯り - instrumental

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/957145

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01705798

OTSTimestamp
type: PropertyValue
value: 2026-07-08T08:56:20Z

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 0xd4753db972adc87c06d12072396be0f4db78a5afc65916eef6365170e36ef836. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01705798.
date published: 2026-07-08T08:56:20Z

灯り - instrumental
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 183.26
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.294
additional property: Energy
  type: PropertyValue
  value: 0.583
additional property: Speechiness
  type: PropertyValue
  value: 0.034
additional property: Acousticness
  type: PropertyValue
  value: 0.034
additional property: Instrumentalness
  type: PropertyValue
  value: 0.754
additional property: Liveness
  type: PropertyValue
  value: 0.161
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.256
additional property: Loudness (dB)
  type: PropertyValue
  value: -11.22
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

Boy Friend
type: MusicAlbum
date published: 2018-03-28

The Future Is Now / タイムリープ
type: MusicAlbum
date published: 2018-04-10

Future Soundtrack
type: MusicAlbum
date published: 2018-05-23
track: 月に読む手紙
  type: MusicRecording
  duration: PT5M22S
  duration ms: 322173
  explicit: false
  by artist: Straightener
  in album: Future Soundtrack
    type: MusicAlbum
    date published: 2018-05-23
  genre: japanese indie
  genre: j-rock
  isrc code: JPPO01623494
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T06:12:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x233fabe3284899de9b2679879aeeaacbe854faddac3b62dbaeade30fa45fd1aa
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958110
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/958110
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01623494
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T06:57:12Z
  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 0x233fabe3284899de9b2679879aeeaacbe854faddac3b62dbaeade30fa45fd1aa. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/JPPO01623494.
    date published: 2026-07-15T06:57:12Z
  audio: 月に読む手紙
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.461
    additional property: Energy
      type: PropertyValue
      value: 0.943
    additional property: Speechiness
      type: PropertyValue
      value: 0.173
    additional property: Acousticness
      type: PropertyValue
      value: 0.005
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.016
    additional property: Liveness
      type: PropertyValue
      value: 0.119
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.504
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.995
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
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Braver
type: MusicAlbum
date published: 2018-07-11

Braver
type: MusicAlbum
date published: 2018-08-25

Can't remember
type: MusicAlbum
date published: 2018-09-19

BEST of U -side DAY-
type: MusicAlbum
date published: 2018-10-17

BEST of U -side NIGHT-
type: MusicAlbum
date published: 2018-10-17

スパイラル
type: MusicAlbum
date published: 2019-03-27
track: スパイラル
  type: MusicRecording
  duration: PT4M5S
  duration ms: 245200
  explicit: false
  by artist: Straightener
  in album: スパイラル
    type: MusicAlbum
    date published: 2019-03-27
  genre: japanese indie
  genre: j-rock
  isrc code: JPPO01900594
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T09:00:47+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xc77edd5e5fff8a7464e4ed0cf3d0c52f1424ee88a6555420e417c0bdb2af00ce
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
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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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc77edd5e5fff8a7464e4ed0cf3d0c52f1424ee88a6555420e417c0bdb2af00ce. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01900594.
    date published: 2026-07-02T16:51:38Z
  audio: スパイラル
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
      value: 0.521
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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    additional property: Mode Name
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Blank Map
type: MusicAlbum
date published: 2019-10-09

Graffiti
type: MusicAlbum
date published: 2020-04-08

カモメ
type: MusicAlbum
date published: 2020-09-09

叫ぶ星
type: MusicAlbum
date published: 2020-10-14

さよならだけがおしえてくれた
type: MusicAlbum
date published: 2020-11-11

Applause
type: MusicAlbum
date published: 2020-12-02
track: Death Game
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  duration ms: 169040
  explicit: false
  by artist: Straightener
  in album: Applause
    type: MusicAlbum
    date published: 2020-12-02
  genre: japanese indie
  genre: j-rock
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87232dff7acb1d81b6b33c09e6240a8787162d51a48cd5346fbd25b471155034. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02003117.
    date published: 2026-07-05T01:43:49Z
  audio: Death Game
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
      type: PropertyValue
      value: 0.948
    additional property: Speechiness
      type: PropertyValue
      value: 0.306
    additional property: Acousticness
      type: PropertyValue
      value: 0.157
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.072
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.44
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.013
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: No Cut
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189280
  explicit: false
  by artist: Straightener
  in album: Applause
    type: MusicAlbum
    date published: 2020-12-02
  genre: japanese indie
  genre: j-rock
  isrc code: JPPO02003121
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T10:11:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd601b0374fbe88c38789057f4b1932bab287c7514982fea6a27df7d1b957754a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958276
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/958276
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02003121
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T10:20:17Z
  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 0xd601b0374fbe88c38789057f4b1932bab287c7514982fea6a27df7d1b957754a. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02003121.
    date published: 2026-07-16T10:20:17Z
  audio: No Cut
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 191.802
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.31
    additional property: Energy
      type: PropertyValue
      value: 0.515
    additional property: Speechiness
      type: PropertyValue
      value: 0.147
    additional property: Acousticness
      type: PropertyValue
      value: 0.37
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.073
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.603
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.809
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 混ぜれば黒になる絵具
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206146
  explicit: false
  by artist: Straightener
  in album: Applause
    type: MusicAlbum
    date published: 2020-12-02
  genre: japanese indie
  genre: j-rock
  isrc code: JPPO02003122
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-06-29T09:00:49+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x06d22701a00d394e453fedca3fd91885d2033d563cc9f4a9a4554b7df5451885
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 混ぜれば黒になる絵具

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956375

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02003122

OTSTimestamp
type: PropertyValue
value: 2026-07-02T16:51:38Z

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 0x06d22701a00d394e453fedca3fd91885d2033d563cc9f4a9a4554b7df5451885. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02003122.
date published: 2026-07-02T16:51:38Z

混ぜれば黒になる絵具
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 121.991
additional property: Musical Key
  type: PropertyValue
  value: 6
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.68
additional property: Energy
  type: PropertyValue
  value: 0.733
additional property: Speechiness
  type: PropertyValue
  value: 0.037
additional property: Acousticness
  type: PropertyValue
  value: 0.007
additional property: Instrumentalness
  type: PropertyValue
  value: 0.01
additional property: Liveness
  type: PropertyValue
  value: 0.087
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.354
additional property: Loudness (dB)
  type: PropertyValue
  value: -4.544
additional property: Key Name
  type: PropertyValue
  value: F#
additional property: Mode Name
  type: PropertyValue
  value: Major

宇宙の夜 二人の朝
type: MusicAlbum
date published: 2021-10-18

Crank Up
type: MusicAlbum
date published: 2021-11-17
track: 群像劇
  type: MusicRecording
  duration: PT3M34S
  duration ms: 214866
  explicit: false
  by artist: Straightener
  in album: Crank Up
    type: MusicAlbum
    date published: 2021-11-17
  genre: japanese indie
  genre: j-rock
  isrc code: JPPO02103767
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T08:56:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc86cf86a85cc2dabe526d1ed8b090b76bc9bd1f88c4d8950faa1d1396052e73f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02103767
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0xc86cf86a85cc2dabe526d1ed8b090b76bc9bd1f88c4d8950faa1d1396052e73f. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02103767.
    date published: 2026-07-02T16:51:38Z
  audio: 群像劇
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 93.225
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.569
    additional property: Energy
      type: PropertyValue
      value: 0.608
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.121
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.322
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.716
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.508
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Minor

冬ノ道ノセイ
type: MusicAlbum
date published: 2023-02-22
track: 冬ノ道ノセイ
  type: MusicRecording
  duration: PT4M31S
  duration ms: 271666
  explicit: false
  by artist: Straightener
  in album: 冬ノ道ノセイ
    type: MusicAlbum
    date published: 2023-02-22
  genre: japanese indie
  genre: j-rock
  isrc code: JPPO02300080
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T17:21:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x386fe253f50fabb56e4e25195f0979347d813a346d02adf03bf43cef6c5ed9c8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02300080
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:43:49Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x386fe253f50fabb56e4e25195f0979347d813a346d02adf03bf43cef6c5ed9c8. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02300080.
    date published: 2026-07-05T01:43:49Z
  audio: 冬ノ道ノセイ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.023
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.542
    additional property: Energy
      type: PropertyValue
      value: 0.723
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.008
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.194
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.257
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

246
type: MusicAlbum
date published: 2023-05-24
track: 246
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241145
  explicit: false
  by artist: Straightener
  in album: 246
    type: MusicAlbum
    date published: 2023-05-24
  genre: japanese indie
  genre: j-rock
  isrc code: JPPO02300833
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T18:08:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd6a2b385af076d354cc4420ed807d61479e985ac152e8110c2683d9acd3802a4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958185
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/958185
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02300833
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T18:19:04Z
  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 0xd6a2b385af076d354cc4420ed807d61479e985ac152e8110c2683d9acd3802a4. Chain 2 (Bitcoin): anchored in block 958185 (2026-07-15T18:19:04Z), 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/JPPO02300833.
    date published: 2026-07-15T18:19:04Z
  audio: 246
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 156.057
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.389
    additional property: Energy
      type: PropertyValue
      value: 0.987
    additional property: Speechiness
      type: PropertyValue
      value: 0.145
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.388
    additional property: Liveness
      type: PropertyValue
      value: 0.186
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.524
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.484
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Silver Lining
type: MusicAlbum
date published: 2023-09-06
track: Silver Lining
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217545
  explicit: false
  by artist: Straightener
  in album: Silver Lining
    type: MusicAlbum
    date published: 2023-09-06
  genre: japanese indie
  genre: j-rock
  isrc code: JPPO02301106
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T11:52:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x987b083f398bdb6dfe2bf5947c27f9f99db927b2ce25f40aa7eb93cdc5768fe1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958410
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/958410
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02301106
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T12:18:07Z
  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 0x987b083f398bdb6dfe2bf5947c27f9f99db927b2ce25f40aa7eb93cdc5768fe1. Chain 2 (Bitcoin): anchored in block 958410 (2026-07-17T12:18:07Z), 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/JPPO02301106.
    date published: 2026-07-17T12:18:07Z
  audio: Silver Lining
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 119.974
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.472
    additional property: Energy
      type: PropertyValue
      value: 0.905
    additional property: Speechiness
      type: PropertyValue
      value: 0.069
    additional property: Acousticness
      type: PropertyValue
      value: 0.025
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.103
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.354
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.057
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major

フォーピース
type: MusicAlbum
date published: 2023-10-11
track: 原色 - Remastered 2023
  type: MusicRecording
  duration: PT3M50S
  duration ms: 230465
  explicit: false
  by artist: Straightener
  in album: フォーピース
    type: MusicAlbum
    date published: 2023-10-11
  genre: japanese indie
  genre: j-rock
  isrc code: JPPO02302912
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T01:02:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3965c4d67a3caf8380043b1c6bbefc1933a4e03bd0db4a42b4b3bc76efc90272
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956742
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956742
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02302912
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T05:07:15Z
  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 0x3965c4d67a3caf8380043b1c6bbefc1933a4e03bd0db4a42b4b3bc76efc90272. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-05T05:07:15Z), 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/JPPO02302912.
    date published: 2026-07-05T05:07:15Z
  audio: 原色 - Remastered 2023
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 133.988
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.245
    additional property: Energy
      type: PropertyValue
      value: 0.981
    additional property: Speechiness
      type: PropertyValue
      value: 0.174
    additional property: Acousticness
      type: PropertyValue
      value: 0.009
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.076
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.534
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.364
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: プレアデス - Remastered 2023
  type: MusicRecording
  duration: PT4M2S
  duration ms: 242372
  explicit: false
  by artist: Straightener
  in album: フォーピース
    type: MusicAlbum
    date published: 2023-10-11
  genre: japanese indie
  genre: j-rock
  isrc code: JPPO02302927
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T21:00:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5f1ec8780379a6c75ebdf4afc655f70f9f576b4fdaa4bbf65cf6021f15fe9c6b
  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/JPPO02302927
  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 0x5f1ec8780379a6c75ebdf4afc655f70f9f576b4fdaa4bbf65cf6021f15fe9c6b. 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/JPPO02302927.
    date published: 2026-07-06T01:25:57Z
  audio: プレアデス - Remastered 2023
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 162.097
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.327
    additional property: Energy
      type: PropertyValue
      value: 0.98
    additional property: Speechiness
      type: PropertyValue
      value: 0.101
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.004
    additional property: Liveness
      type: PropertyValue
      value: 0.123
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.289
    additional property: Loudness (dB)
      type: PropertyValue
      value: -2.983
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: 叫ぶ星 - Remastered 2023
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213932
  explicit: false
  by artist: Straightener
  in album: フォーピース
    type: MusicAlbum
    date published: 2023-10-11
  genre: japanese indie
  genre: j-rock
  isrc code: JPPO02302913
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T16:31:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd59ed046cda4a15bfca928041e43d8b5cd91dfe96d9ce77f360c9df2c07fa953
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956738
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 叫ぶ星 - Remastered 2023
track: クラッシュ - Remastered 2023
track: 冬の太陽 - Remastered 2023
track: イノセント - Remastered 2023
track: Toneless Twilight - Remastered 2023
track: From Noon Till Dawn - Remastered 2023
track: 羊の群れは丘を登る - Remastered 2023
track: シンデレラソング - Remastered 2023
track: シーグラス - Remastered 2023
track: 彩雲 - Remastered 2023

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956738

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02302913

OTSTimestamp
type: PropertyValue
value: 2026-07-05T04:47:21Z

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 0xd59ed046cda4a15bfca928041e43d8b5cd91dfe96d9ce77f360c9df2c07fa953. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02302913.
date published: 2026-07-05T04:47:21Z

叫ぶ星 - Remastered 2023
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 174.045
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.441
additional property: Energy
  type: PropertyValue
  value: 0.907
additional property: Speechiness
  type: PropertyValue
  value: 0.095
additional property: Acousticness
  type: PropertyValue
  value: 0.002
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.349
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.572
additional property: Loudness (dB)
  type: PropertyValue
  value: -3.499
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Minor

クラッシュ - Remastered 2023
type: MusicRecording
duration: PT5M31S
duration ms: 331505
explicit: false
by artist: Straightener
in album: フォーピース
  type: MusicAlbum
  date published: 2023-10-11
genre: japanese indie
genre: j-rock
isrc code: JPPO02302914
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T08:33:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x54bf3973da9cfd0cbeebea1f85df06f40622098c66bd1377a195e7ae98a9ef9a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958137
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/958137
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02302914
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T11:34:56Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x54bf3973da9cfd0cbeebea1f85df06f40622098c66bd1377a195e7ae98a9ef9a. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:34:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02302914.
  date published: 2026-07-15T11:34:56Z
audio: クラッシュ - Remastered 2023
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 164.949
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.414
  additional property: Energy
    type: PropertyValue
    value: 0.946
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.005
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.013
  additional property: Liveness
    type: PropertyValue
    value: 0.371
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.68
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.351
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

冬の太陽 - Remastered 2023
type: MusicRecording
duration: PT4M9S
duration ms: 249212
explicit: false
by artist: Straightener
in album: フォーピース
  type: MusicAlbum
  date published: 2023-10-11
genre: japanese indie
genre: j-rock
isrc code: JPPO02302915
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T22:56:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc351e682779879cf5f92e1198073092b2cf465ce5b9c4a8ac0b9225b27cd1d93
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958690
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/958690
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02302915
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T07:14:39Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0xc351e682779879cf5f92e1198073092b2cf465ce5b9c4a8ac0b9225b27cd1d93. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02302915.
  date published: 2026-07-19T07:14:39Z
audio: 冬の太陽 - Remastered 2023
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 174.904
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.248
  additional property: Energy
    type: PropertyValue
    value: 0.939
  additional property: Speechiness
    type: PropertyValue
    value: 0.207
  additional property: Acousticness
    type: PropertyValue
    value: 0.002
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.058
  additional property: Liveness
    type: PropertyValue
    value: 0.077
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.267
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.464
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

イノセント - Remastered 2023
type: MusicRecording
duration: PT5M21S
duration ms: 321092
explicit: false
by artist: Straightener
in album: フォーピース
  type: MusicAlbum
  date published: 2023-10-11
genre: japanese indie
genre: j-rock
isrc code: JPPO02302917
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T19:17:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3b7296d175ae0e1d957fc93fdf6ee3ce58ccb0d6bc4c655667650971866c8d30
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956841
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956841
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02302917
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T22:14:35Z
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 0x3b7296d175ae0e1d957fc93fdf6ee3ce58ccb0d6bc4c655667650971866c8d30. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/JPPO02302917.
  date published: 2026-07-05T22:14:35Z
audio: イノセント - Remastered 2023
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 205.695
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.297
  additional property: Energy
    type: PropertyValue
    value: 0.812
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.206
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.008
  additional property: Liveness
    type: PropertyValue
    value: 0.16
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.291
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.774
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Toneless Twilight - Remastered 2023
type: MusicRecording
duration: PT4M37S
duration ms: 277319
explicit: false
by artist: Straightener
in album: フォーピース
  type: MusicAlbum
  date published: 2023-10-11
genre: japanese indie
genre: j-rock
isrc code: JPPO02302918
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-13T04:09:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x35d3911814448221a390953e95440f31ea71dea1d6190e456a142bdf9b7bbe56
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957805
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957805
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02302918
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-13T04:34:37Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x35d3911814448221a390953e95440f31ea71dea1d6190e456a142bdf9b7bbe56. Chain 2 (Bitcoin): anchored in block 957805 (2026-07-13T04:34:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02302918.
  date published: 2026-07-13T04:34:37Z
audio: Toneless Twilight - Remastered 2023
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 87.973
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.472
  additional property: Energy
    type: PropertyValue
    value: 0.962
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.122
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.483
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.535
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

From Noon Till Dawn - Remastered 2023
type: MusicRecording
duration: PT3M50S
duration ms: 230279
explicit: false
by artist: Straightener
in album: フォーピース
  type: MusicAlbum
  date published: 2023-10-11
genre: japanese indie
genre: j-rock
isrc code: JPPO02302920
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-13T16:33:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x74278a16e82909196fd9770abbf205ffb2a0c777041444c9ee45266268efee10
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957882
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957882
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02302920
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-13T16:48:10Z
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 0x74278a16e82909196fd9770abbf205ffb2a0c777041444c9ee45266268efee10. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/JPPO02302920.
  date published: 2026-07-13T16:48:10Z
audio: From Noon Till Dawn - Remastered 2023
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 184.045
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.287
  additional property: Energy
    type: PropertyValue
    value: 0.948
  additional property: Speechiness
    type: PropertyValue
    value: 0.12
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.299
  additional property: Liveness
    type: PropertyValue
    value: 0.037
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.412
  additional property: Loudness (dB)
    type: PropertyValue
    value: -2.743
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

羊の群れは丘を登る - Remastered 2023
type: MusicRecording
duration: PT4M30S
duration ms: 270812
explicit: false
by artist: Straightener
in album: フォーピース
  type: MusicAlbum
  date published: 2023-10-11
genre: japanese indie
genre: j-rock
isrc code: JPPO02302922
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T09:12:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbc6b72dba092c77225fe7aa09f4aaea0698ff17d670118f428ad8d8cc224fff7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958711
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/958711
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02302922
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T09:26:32Z
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 0xbc6b72dba092c77225fe7aa09f4aaea0698ff17d670118f428ad8d8cc224fff7. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/JPPO02302922.
  date published: 2026-07-19T09:26:32Z
audio: 羊の群れは丘を登る - Remastered 2023
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 171.85
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.313
  additional property: Energy
    type: PropertyValue
    value: 0.98
  additional property: Speechiness
    type: PropertyValue
    value: 0.084
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.233
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.432
  additional property: Loudness (dB)
    type: PropertyValue
    value: -2.921
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

シンデレラソング - Remastered 2023
type: MusicRecording
duration: PT3M9S
duration ms: 189212
explicit: false
by artist: Straightener
in album: フォーピース
  type: MusicAlbum
  date published: 2023-10-11
genre: japanese indie
genre: j-rock
isrc code: JPPO02302936
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T05:31:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x80a728fd0415d95d2d64ac9f1e1a85ddfd5dab2ee660f061c07af128569b207e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958544
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/958544
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02302936
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T12:14:37Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x80a728fd0415d95d2d64ac9f1e1a85ddfd5dab2ee660f061c07af128569b207e. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02302936.
  date published: 2026-07-18T12:14:37Z
audio: シンデレラソング - Remastered 2023
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 175.929
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.276
  additional property: Energy
    type: PropertyValue
    value: 0.99
  additional property: Speechiness
    type: PropertyValue
    value: 0.132
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.089
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.207
  additional property: Loudness (dB)
    type: PropertyValue
    value: -2.521
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

シーグラス - Remastered 2023
type: MusicRecording
duration: PT3M5S
duration ms: 185452
explicit: false
by artist: Straightener
in album: フォーピース
  type: MusicAlbum
  date published: 2023-10-11
genre: japanese indie
genre: j-rock
isrc code: JPPO02302937
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T19:58:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x70741bc5046ce86c87f01946c8fd13d4d3c2286091a08b5666a4b2d10e432630
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956560
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956560
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02302937
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T23:28:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x70741bc5046ce86c87f01946c8fd13d4d3c2286091a08b5666a4b2d10e432630. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02302937.
  date published: 2026-07-03T23:28:02Z
audio: シーグラス - Remastered 2023
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.819
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.286
  additional property: Energy
    type: PropertyValue
    value: 0.97
  additional property: Speechiness
    type: PropertyValue
    value: 0.132
  additional property: Acousticness
    type: PropertyValue
    value: 0.001
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.287
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.351
  additional property: Loudness (dB)
    type: PropertyValue
    value: -2.912
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
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彩雲 - Remastered 2023
type: MusicRecording
duration: PT4M17S
duration ms: 257144
explicit: false
by artist: Straightener
in album: フォーピース
  type: MusicAlbum
  date published: 2023-10-11
genre: japanese indie
genre: j-rock
isrc code: JPPO02302924
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T19:13:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x726132c1dfa214be5e3d9fbaaf8d76b2ec58a67abd08a36dd17916c129f3767e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/958448
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02302924
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T19:49:21Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x726132c1dfa214be5e3d9fbaaf8d76b2ec58a67abd08a36dd17916c129f3767e. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02302924.
  date published: 2026-07-17T19:49:21Z
audio: 彩雲 - Remastered 2023
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.972
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.547
  additional property: Energy
    type: PropertyValue
    value: 0.759
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.003
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.044
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.603
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.486
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

インビジブル
type: MusicAlbum
date published: 2024-01-26
track: インビジブル
  type: MusicRecording
  duration: PT5M1S
  duration ms: 301345
  explicit: false
  by artist: Straightener
  in album: インビジブル
    type: MusicAlbum
    date published: 2024-01-26
  genre: japanese indie
  genre: j-rock
  isrc code: JPPO02304339
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T15:37:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb7687d5755c305733ebbc4e83bd77994fe3d156ef3a96097b291abb4cff952e9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958761
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/958761
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02304339
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T18:39:32Z
  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 0xb7687d5755c305733ebbc4e83bd77994fe3d156ef3a96097b291abb4cff952e9. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T18:39:32Z), 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/JPPO02304339.
    date published: 2026-07-19T18:39:32Z
  audio: インビジブル
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 89.956
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.453
    additional property: Energy
      type: PropertyValue
      value: 0.87
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.02
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.353
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.61
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.169
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

COME and GO
type: MusicAlbum
date published: 2024-08-16
track: COME and GO
  type: MusicRecording
  duration: PT3M29S
  duration ms: 209617
  explicit: false
  by artist: Straightener
  in album: COME and GO
    type: MusicAlbum
    date published: 2024-08-16
  genre: japanese indie
  genre: j-rock
  isrc code: JPPO02403381
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T08:24:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcc240fdb900afb3eeecda488fefbbb4dd3327e9084116a68b9377a78ec1dee72
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958130
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/958130
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02403381
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T11:26:02Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0xcc240fdb900afb3eeecda488fefbbb4dd3327e9084116a68b9377a78ec1dee72. Chain 2 (Bitcoin): anchored in block 958130 (2026-07-15T11:26:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02403381.
    date published: 2026-07-15T11:26:02Z
  audio: COME and GO
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 172.017
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.375
    additional property: Energy
      type: PropertyValue
      value: 0.892
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.005
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.785
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.282
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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Skeletonize!
type: MusicAlbum
date published: 2024-09-27
track: Skeletonize!
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220827
  explicit: false
  by artist: Straightener
  in album: Skeletonize!
    type: MusicAlbum
    date published: 2024-09-27
  genre: japanese indie
  genre: j-rock
  isrc code: JPPO02404086
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T08:58:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcfaa77c82be14a9a18bc9eab4adf3249396c2a0ea1b5d347970d75e07ef3558c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02404086
  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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfaa77c82be14a9a18bc9eab4adf3249396c2a0ea1b5d347970d75e07ef3558c. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02404086.
    date published: 2026-07-02T16:51:38Z
  audio: Skeletonize!
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
      value: 0.522
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
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    additional property: Key Name
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The Ordinary Road
type: MusicAlbum
date published: 2024-10-30

CRYSTAL
type: MusicAlbum
date published: 2025-08-20

Next Chapter
type: MusicAlbum
date published: 2025-08-27

メタセコイアと月
type: MusicAlbum
date published: 2025-09-24

Next Chapter EP
type: MusicAlbum
date published: 2025-10-29

灯り
type: MusicRecording
duration: PT4M27S
duration ms: 267906
explicit: false
by artist: Straightener
by artist: Motohiro Hata
in album: WINTER PLAYLIST 2022
  type: MusicAlbum
  date published: 2022-12-07
isrc code: JPPO01705796
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T02:49:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb7cc31c6c89146308440ee43d6d808f5e094b59203d34580da881e371a4d1551
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01705796
additional property: OTSTimestamp
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  value: 2026-07-07T18:39:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0xb7cc31c6c89146308440ee43d6d808f5e094b59203d34580da881e371a4d1551. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01705796.
  date published: 2026-07-07T18:39:05Z
audio: 灯り
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 183.343
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.218
  additional property: Energy
    type: PropertyValue
    value: 0.586
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.128
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.144
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.352
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.166
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

灯り
type: MusicRecording
duration: PT4M27S
duration ms: 267906
explicit: false
by artist: Straightener
by artist: Motohiro Hata
in album: 秋のラブソング
  type: MusicAlbum
  date published: 2022-10-28
isrc code: JPPO01705796
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T02:49:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb7cc31c6c89146308440ee43d6d808f5e094b59203d34580da881e371a4d1551
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/JPPO01705796
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 0xb7cc31c6c89146308440ee43d6d808f5e094b59203d34580da881e371a4d1551. 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/JPPO01705796.
  date published: 2026-07-08T03:20:19Z
audio: 灯り
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 183.343
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.218
  additional property: Energy
    type: PropertyValue
    value: 0.586
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.128
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.144
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.352
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.166
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

灯り
type: MusicRecording
duration: PT4M27S
duration ms: 267906
explicit: false
by artist: Straightener
by artist: Motohiro Hata
in album: TOKYO - CITY POP -
  type: MusicAlbum
  date published: 2021-06-01
isrc code: JPPO01705796
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T02:49:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb7cc31c6c89146308440ee43d6d808f5e094b59203d34580da881e371a4d1551
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/JPPO01705796
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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 0xb7cc31c6c89146308440ee43d6d808f5e094b59203d34580da881e371a4d1551. 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/JPPO01705796.
  date published: 2026-07-08T03:22:41Z
audio: 灯り
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 183.343
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.218
  additional property: Energy
    type: PropertyValue
    value: 0.586
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.128
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.144
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.352
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.166
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major