Shizuka Kudo
type: MusicGroup
genre: city pop
genre: enka
genre: j-pop
genre: kayokyoku
popularity: 48
followers: 150733
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3552158640aacd2afba39f66f89bdd32d4322775e750487efec6f1f3363bf2cf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953423
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953423
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dd3c3621-74f2-4679-b9f7-a5c7a0c96703.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dd3c3621-74f2-4679-b9f7-a5c7a0c96703.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dd3c3621-74f2-4679-b9f7-a5c7a0c96703
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T21:20:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3552158640aacd2afba39f66f89bdd32d4322775e750487efec6f1f3363bf2cf","name":"Shizuka Kudo","registered_at":"2026-06-12T11:35:47Z","symbol":"NIM0285696","token_address":"0xaf3e6de0c14ec65967a02da8c1a3f9f26c2b9a2c","type":"artist","uuid":"dd3c3621-74f2-4679-b9f7-a5c7a0c96703"}
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 0x3552158640aacd2afba39f66f89bdd32d4322775e750487efec6f1f3363bf2cf. 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/dd3c3621-74f2-4679-b9f7-a5c7a0c96703.json and https://artists.proofprofile.net/proofs/artist/dd3c3621-74f2-4679-b9f7-a5c7a0c96703.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x3552158640aacd2afba39f66f89bdd32d4322775e750487efec6f1f3363bf2cf","name":"Shizuka Kudo","registered_at":"2026-06-12T11:35:47Z","symbol":"NIM0285696","token_address":"0xaf3e6de0c14ec65967a02da8c1a3f9f26c2b9a2c","type":"artist","uuid":"dd3c3621-74f2-4679-b9f7-a5c7a0c96703"}
album: Mysterious
  type: MusicAlbum
  date published: 1970-01-01
  track: Kanashimi no Etranger
    type: MusicRecording
    duration: PT5M16S
    duration ms: 316666
    explicit: false
    by artist: Shizuka Kudo
    in album: Mysterious
      type: MusicAlbum
      date published: 1970-01-01
    isrc code: JPPC08700310
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-23T17:07:42+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x34dbd9256e6dd6a3e96c9ef8c737e0e5bd44659fb10f41e3201b0aa0404526ce
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956312
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956312
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/2MZBAwiOy38gJQAf2QqTEw.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2MZBAwiOy38gJQAf2QqTEw
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T05:09:12Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x34dbd9256e6dd6a3e96c9ef8c737e0e5bd44659fb10f41e3201b0aa0404526ce","isrc":"JPPC08700310","name":"Kanashimi no Etranger","registered_at":"2026-06-23T17:07:42Z","spotify_id":"2MZBAwiOy38gJQAf2QqTEw","type":"track"}
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x34dbd9256e6dd6a3e96c9ef8c737e0e5bd44659fb10f41e3201b0aa0404526ce. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2MZBAwiOy38gJQAf2QqTEw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2MZBAwiOy38gJQAf2QqTEw.
      date published: 2026-07-02T05:09:12Z
      text: {"copyright_id":"0x34dbd9256e6dd6a3e96c9ef8c737e0e5bd44659fb10f41e3201b0aa0404526ce","isrc":"JPPC08700310","name":"Kanashimi no Etranger","registered_at":"2026-06-23T17:07:42Z","spotify_id":"2MZBAwiOy38gJQAf2QqTEw","type":"track"}
  track: Mysterious
    type: MusicRecording
    duration: PT4M55S
    duration ms: 295666
    explicit: false
    by artist: Shizuka Kudo
    in album: Mysterious
      type: MusicAlbum
      date published: 1970-01-01
    isrc code: JPPC08700320
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-08T23:35:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7dea668e99d1fceb623e39e7ab2f03d0bc1ba45eb518715f46df8f566d98b3ea
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953536
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953536
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/1vUpevMVwcympwLp3Vk4yu.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1vUpevMVwcympwLp3Vk4yu
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T17:25:41Z
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x7dea668e99d1fceb623e39e7ab2f03d0bc1ba45eb518715f46df8f566d98b3ea. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1vUpevMVwcympwLp3Vk4yu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1vUpevMVwcympwLp3Vk4yu.
      date published: 2026-06-13T17:25:41Z
  track: Kindan no Telepathy
    type: MusicRecording
    duration: PT3M47S
    duration ms: 227160
    explicit: false
    by artist: Shizuka Kudo
    in album: Mysterious
      type: MusicAlbum
      date published: 1970-01-01
    isrc code: JPPC08700250
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-04T12:15:31+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953513
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953513
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/559Z3sS99djTsKWrlcnZSJ.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/559Z3sS99djTsKWrlcnZSJ
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T12:47:07Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116","isrc":"JPPC08700250","name":"Kindan no Telepathy","registered_at":"2026-06-04T12:15:31Z","spotify_id":"559Z3sS99djTsKWrlcnZSJ","type":"track"}
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/559Z3sS99djTsKWrlcnZSJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/559Z3sS99djTsKWrlcnZSJ.
      date published: 2026-06-13T12:47:07Z
      text: {"copyright_id":"0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116","isrc":"JPPC08700250","name":"Kindan no Telepathy","registered_at":"2026-06-04T12:15:31Z","spotify_id":"559Z3sS99djTsKWrlcnZSJ","type":"track"}
  track: Arashi no Yoru no Serenade
    type: MusicRecording
    duration: PT5M14S
    duration ms: 314706
    explicit: false
    by artist: Shizuka Kudo
    in album: Mysterious
      type: MusicAlbum
      date published: 1970-01-01
    isrc code: JPPC08700330
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-18T22:07:54+00:00
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSRecordURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
  track: Passage
  track: Wine Hitokuchi no Uso
  track: Again
  track: Subete ha Sorekara
album: Meikyoshisui
album: Kanju Shizuka Kudo 35th Anniversary Self-Cover Album (Deluxe Version)
album: Kanjyu Shizuka Kudo 35th Anniversary self-cover album
album: Deep Breath
album: Best Of Ballade Current
album: Rin
album: My Heartful Best - Goro Matasui Collection -
album: My Treasure Best - Miyuki Nakajima × Tsugutoshi Goto Collection -
album: Shizuka Kudo Original Album Collection
album: Shizuka Kudo "20Th Anniversary B-Side Collection"
album: My Precious - Shizuka Sings Songs of Miyuki -
album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
album: Tsukikage
album: Shizuka Kudo Best
album: Full of Love
album: I’m Not
album: Dress
album: Doing
album: Purple
album: Expose
album: Rise Me
album: Trinity
album: Mind Universe
album: Intimate
album: Unlimited
album: Rosette
album: Karelia
album: Joy
album: Harvest
album: Gradation
album: Mizore
album: Circle
album: Kosetsuran Suki Yori Aishiteru
album: Yusha no Hata
album: Blue Velvet
album: Dokoku
album: Shimayori
album: Shizuka Kudo - Night Tempo Presents The Showa Groove
album: Night Wing / Yukigasa
track: Kindan no Telepathy
track: Watashi wa Knife
track: Metamorphose
track: Kuchibiru Kara Biyaku
track: Boya Boya Dekinai
track: Yuragi no Tsuki
track: Daite Kuretara Iinoni
track: Koi Hitoyo
track: Chottoshita Guilty
track: Kimi ga Tsubasa wo Hirogeru Toki
track: Anata Shika Inai Desho
track: Shinkaigyo
track: Without Your Love
track: Tenshi Mitai ni Odorasete
track: Mirage no Toriko
track: Baroque Pearl
track: Non-Stop
track: Totemo Chiisana Shoushin
track: Urahara
track: Sayonara Lonely Korekkiri Lonely

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x63b57acc2a7f2fb3d24ba0b2b0a2ed88b0e317be856a330db84589cf66905cef

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956304

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/7e45Uis4cQ7WD3j2zIaX13.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7e45Uis4cQ7WD3j2zIaX13

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x63b57acc2a7f2fb3d24ba0b2b0a2ed88b0e317be856a330db84589cf66905cef","isrc":"JPPC08700330","name":"Arashi no Yoru no Serenade","registered_at":"2026-06-18T22:07:54Z","spotify_id":"7e45Uis4cQ7WD3j2zIaX13","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63b57acc2a7f2fb3d24ba0b2b0a2ed88b0e317be856a330db84589cf66905cef. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7e45Uis4cQ7WD3j2zIaX13.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7e45Uis4cQ7WD3j2zIaX13.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x63b57acc2a7f2fb3d24ba0b2b0a2ed88b0e317be856a330db84589cf66905cef","isrc":"JPPC08700330","name":"Arashi no Yoru no Serenade","registered_at":"2026-06-18T22:07:54Z","spotify_id":"7e45Uis4cQ7WD3j2zIaX13","type":"track"}

Passage
type: MusicRecording
duration: PT4M16S
duration ms: 256293
explicit: false
by artist: Shizuka Kudo
in album: Mysterious
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC08700340
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T09:43:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x61df265fe8321d29b167cdf7642800fdfe5c525ff54cfb0a7d4896d43cba8886
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3niJtaYKCOXBOqiP5Z1em2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3niJtaYKCOXBOqiP5Z1em2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x61df265fe8321d29b167cdf7642800fdfe5c525ff54cfb0a7d4896d43cba8886. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3niJtaYKCOXBOqiP5Z1em2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3niJtaYKCOXBOqiP5Z1em2.
  date published: 2026-07-02T03:55:08Z

Wine Hitokuchi no Uso
type: MusicRecording
duration: PT4M49S
duration ms: 289666
explicit: false
by artist: Shizuka Kudo
in album: Mysterious
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC08700350
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T19:05:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x988a09c4971cd5602697ce2029b3f7af39d759df27fe21a294254504be7c329f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3oseRVLoCx4uqwRry8afAF.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3oseRVLoCx4uqwRry8afAF
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x988a09c4971cd5602697ce2029b3f7af39d759df27fe21a294254504be7c329f","isrc":"JPPC08700350","name":"Wine Hitokuchi no Uso","registered_at":"2026-06-11T19:05:44Z","spotify_id":"3oseRVLoCx4uqwRry8afAF","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x988a09c4971cd5602697ce2029b3f7af39d759df27fe21a294254504be7c329f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3oseRVLoCx4uqwRry8afAF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3oseRVLoCx4uqwRry8afAF.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x988a09c4971cd5602697ce2029b3f7af39d759df27fe21a294254504be7c329f","isrc":"JPPC08700350","name":"Wine Hitokuchi no Uso","registered_at":"2026-06-11T19:05:44Z","spotify_id":"3oseRVLoCx4uqwRry8afAF","type":"track"}

Again
type: MusicRecording
duration: PT4M14S
duration ms: 254640
explicit: false
by artist: Shizuka Kudo
in album: Mysterious
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC08700280
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T17:07:54+00:00

Subete ha Sorekara
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Meikyoshisui
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Kanju Shizuka Kudo 35th Anniversary Self-Cover Album (Deluxe Version)
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Kanjyu Shizuka Kudo 35th Anniversary self-cover album
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Deep Breath
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Best Of Ballade Current
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Rin
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My Heartful Best - Goro Matasui Collection -
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    type: MusicAlbum
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track: Chottoshita Guilty
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track: Serenade
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  duration ms: 301733
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  in album: My Heartful Best - Goro Matasui Collection -
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    date published: 1970-01-01
track: Kimi ga Tsubasa wo Hirogeru Toki
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    type: MusicAlbum
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track: Totemo Chiisana Shoushin
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    type: MusicAlbum
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track: Suterareta Neko Janai Kara
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track: Watashi wa Knife
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  in album: My Heartful Best - Goro Matasui Collection -
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  isrc code: JPPC09309370
track: Mechakucha ni Naite Shimaitai
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  duration: PT4M59S
  duration ms: 299746
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track: Koe wo Kikasete
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track: Shinkaigyo
track: Urahara
track: Sonzai
track: Without Your Love
track: Sayonara Lonely Korekkiri Lonely
track: Yuragi no Tsuki

Shinkaigyo
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duration ms: 243253
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Urahara
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Sonzai
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duration ms: 283440
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
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Without Your Love
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by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01

Sayonara Lonely Korekkiri Lonely
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duration: PT5M13S
duration ms: 313666
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by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01

Yuragi no Tsuki
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duration: PT4M46S
duration ms: 286133
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by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01

My Treasure Best - Miyuki Nakajima × Tsugutoshi Goto Collection -
type: MusicAlbum
date published: 1970-01-01
track: Fu - Ji - Tsu
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  duration: PT3M48S
  duration ms: 228826
  explicit: false
  by artist: Shizuka Kudo
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track: Watashi ni Tsuite
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  duration: PT4M8S
  duration ms: 248293
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  by artist: Shizuka Kudo
  in album: My Treasure Best - Miyuki Nakajima × Tsugutoshi Goto Collection -
    type: MusicAlbum
    date published: 1970-01-01
track: Shouko wo Misete
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275173
  explicit: false
  by artist: Shizuka Kudo
  in album: My Treasure Best - Miyuki Nakajima × Tsugutoshi Goto Collection -
    type: MusicAlbum
    date published: 1970-01-01
track: Tel..Me
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  duration: PT4M2S
  duration ms: 242640
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  in album: My Treasure Best - Miyuki Nakajima × Tsugutoshi Goto Collection -
    type: MusicAlbum
    date published: 1970-01-01
track: Sayonara no Gyakusetsu
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  duration: PT4M28S
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    type: MusicAlbum
    date published: 1970-01-01
track: Tsugihagi no Portrait
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  duration: PT4M37S
  duration ms: 277413
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track: Brilliant White
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track: Embrace
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  duration ms: 272293
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    type: MusicAlbum
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track: Hadashi no Lion
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    type: MusicAlbum
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track: Doukoku
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  duration: PT4M48S
  duration ms: 288746
  explicit: false
  by artist: Shizuka Kudo
  in album: My Treasure Best - Miyuki Nakajima × Tsugutoshi Goto Collection -
    type: MusicAlbum
    date published: 1970-01-01
track: Mugo N…Iroppoi
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  duration: PT3M54S
  duration ms: 234960
  explicit: false
  by artist: Shizuka Kudo
  in album: My Treasure Best - Miyuki Nakajima × Tsugutoshi Goto Collection -
    type: MusicAlbum
    date published: 1970-01-01
track: Call
  type: MusicRecording
  duration: PT4M33S
  duration ms: 273333
  explicit: false
  by artist: Shizuka Kudo
  in album: My Treasure Best - Miyuki Nakajima × Tsugutoshi Goto Collection -
    type: MusicAlbum
    date published: 1970-01-01
track: Gunshuu
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  duration: PT4M30S
  duration ms: 270613
  explicit: false
  by artist: Shizuka Kudo
  in album: My Treasure Best - Miyuki Nakajima × Tsugutoshi Goto Collection -
    type: MusicAlbum
    date published: 1970-01-01
track: Tanin no Machi
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267480
  explicit: false
  by artist: Shizuka Kudo
  in album: My Treasure Best - Miyuki Nakajima × Tsugutoshi Goto Collection -
    type: MusicAlbum
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track: Kousa ni Fukarete
  type: MusicRecording
  duration: PT3M50S
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  in album: My Treasure Best - Miyuki Nakajima × Tsugutoshi Goto Collection -
    type: MusicAlbum
    date published: 1970-01-01
track: Sonoato wa Ame no Naka
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  in album: My Treasure Best - Miyuki Nakajima × Tsugutoshi Goto Collection -
    type: MusicAlbum
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track: Akiko
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  duration: PT3M55S
  duration ms: 235146
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  in album: My Treasure Best - Miyuki Nakajima × Tsugutoshi Goto Collection -
    type: MusicAlbum
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track: Tan Jun Ai vs. Honto No Uso
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  duration: PT4M33S
  duration ms: 273746
  explicit: false
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  in album: My Treasure Best - Miyuki Nakajima × Tsugutoshi Goto Collection -
    type: MusicAlbum
    date published: 1970-01-01

Shizuka Kudo Original Album Collection
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  duration: PT5M17S
  duration ms: 317293
  explicit: false
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  in album: Shizuka Kudo Original Album Collection
    type: MusicAlbum
    date published: 1970-01-01
track: Shouko wo Misete
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  duration: PT4M38S
  duration ms: 278266
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo Original Album Collection
    type: MusicAlbum
    date published: 1970-01-01
track: Tenshi Mitaini Odorasete
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  by artist: Shizuka Kudo
  in album: Shizuka Kudo Original Album Collection
    type: MusicAlbum
    date published: 1970-01-01
track: Oka no Ue no Chiisana Taiyou
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  duration: PT7M57S
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  in album: Shizuka Kudo Original Album Collection
    type: MusicAlbum
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track: Dangai
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  duration ms: 283800
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  in album: Shizuka Kudo Original Album Collection
    type: MusicAlbum
    date published: 1970-01-01
track: Ude no Naka no Universe
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    type: MusicAlbum
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track: Mechakucha ni Naite Shimaitai
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  duration: PT5M0S
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    type: MusicAlbum
    date published: 1970-01-01
track: Mysterious
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  duration: PT4M55S
  duration ms: 295213
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    type: MusicAlbum
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:20:19Z
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  subject of: OpenTimestamps Proof of Existence
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55c1959d56c92d2e220f774fe2be43c268d311a771fc4d11d06a715dbc7b6b24. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4E1mRkLJuEdxBPwONk3MZS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4E1mRkLJuEdxBPwONk3MZS.
    date published: 2026-07-02T11:34:59Z
    text: {"copyright_id":"0x55c1959d56c92d2e220f774fe2be43c268d311a771fc4d11d06a715dbc7b6b24","isrc":"JPPC08800600","name":"Sayonara no Gyakusetsu","registered_at":"2026-06-26T01:09:16Z","spotify_id":"4E1mRkLJuEdxBPwONk3MZS","type":"track"}
track: Totemo Chiisana Shoushin
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179386
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo Original Album Collection
    type: MusicAlbum
    date published: 1970-01-01
track: Mizuumi
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254533
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo Original Album Collection
    type: MusicAlbum
    date published: 1970-01-01
track: Mirage no Toriko
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236866
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo Original Album Collection
    type: MusicAlbum
    date published: 1970-01-01
track: Hashi
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219240
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo Original Album Collection
    type: MusicAlbum
    date published: 1970-01-01
track: Moonlight no Seijanai
  type: MusicRecording
  duration: PT5M26S
  duration ms: 326533
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo Original Album Collection
    type: MusicAlbum
    date published: 1970-01-01
track: Kindan no Telepathy
track: Fu - Ji - Tsu
track: Kiseki no Shouzou
track: Bishou no Mori
track: Unbeliever
track: Mumei no Kyuujitsu
track: My Eyes
track: Arashi no Yoru no Serenade
track: Brilliant White
track: Sora no Shoumen
track: Karelia
track: Shunkan no Umi
track: Superstition
track: Anata no Inai Fuukei
track: Passage
track: Hadashi no Lion
track: Sabishii Yoru niha Watashi wo Yonde
track: La Se N
track: Getsuyoubi no Shissou
track: Furueru 1 Byou
track: Wine Hitokuchi no Uso
track: No No No No - Kohaku no Cocktail -
track: Mahiru no Yume - Instrumental
track: Kuchibiru Kara Biyaku
track: Boya Boya Dekinai
track: Again
track: Yume Utsutsu Jealousy
track: Ai no Hyouryuusha
track: Tsugihagi no Portrait
track: Subete ha Sorekara
track: Glass no Sanctuary
track: Sunaoni Itte
track: Embrace
track: Mayonaka no Collect Call
track: “Shuuten”
track: Koihitoyo

Kindan no Telepathy
type: MusicRecording
duration: PT3M47S
duration ms: 227053
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC08700250
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T12:15:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957145
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/13LfuPrUO1pBUo48pvafdM.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/13LfuPrUO1pBUo48pvafdM
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116","isrc":"JPPC08700250","name":"Kindan no Telepathy","registered_at":"2026-06-04T12:15:31Z","spotify_id":"13LfuPrUO1pBUo48pvafdM","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/13LfuPrUO1pBUo48pvafdM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/13LfuPrUO1pBUo48pvafdM.
  date published: 2026-07-08T08:56:20Z
  text: {"copyright_id":"0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116","isrc":"JPPC08700250","name":"Kindan no Telepathy","registered_at":"2026-06-04T12:15:31Z","spotify_id":"13LfuPrUO1pBUo48pvafdM","type":"track"}

Fu - Ji - Tsu
type: MusicRecording
duration: PT3M49S
duration ms: 229440
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC08800500
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T18:02:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xde06789634e08554df61b4e23311f654dd9be10a663c33bfaabd9d8899755e71
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957124
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6zm49ebPClfMFR0oPfSKgj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6zm49ebPClfMFR0oPfSKgj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xde06789634e08554df61b4e23311f654dd9be10a663c33bfaabd9d8899755e71","isrc":"JPPC08800500","name":"Fu - Ji - Tsu","registered_at":"2026-06-19T18:02:46Z","spotify_id":"6zm49ebPClfMFR0oPfSKgj","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xde06789634e08554df61b4e23311f654dd9be10a663c33bfaabd9d8899755e71. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6zm49ebPClfMFR0oPfSKgj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6zm49ebPClfMFR0oPfSKgj.
  date published: 2026-07-08T03:53:27Z
  text: {"copyright_id":"0xde06789634e08554df61b4e23311f654dd9be10a663c33bfaabd9d8899755e71","isrc":"JPPC08800500","name":"Fu - Ji - Tsu","registered_at":"2026-06-19T18:02:46Z","spotify_id":"6zm49ebPClfMFR0oPfSKgj","type":"track"}

Kiseki no Shouzou
type: MusicRecording
duration: PT3M30S
duration ms: 210613
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Bishou no Mori
type: MusicRecording
duration: PT4M59S
duration ms: 299600
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Unbeliever
type: MusicRecording
duration: PT4M48S
duration ms: 288226
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Mumei no Kyuujitsu
type: MusicRecording
duration: PT5M6S
duration ms: 306960
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

My Eyes
type: MusicRecording
duration: PT4M55S
duration ms: 295653
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Arashi no Yoru no Serenade
type: MusicRecording
duration: PT5M14S
duration ms: 314426
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Brilliant White
type: MusicRecording
duration: PT5M14S
duration ms: 314920
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC08800610

Sora no Shoumen
type: MusicRecording
duration: PT3M39S
duration ms: 219360
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Karelia
type: MusicRecording
duration: PT4M35S
duration ms: 275880
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Shunkan no Umi
type: MusicRecording
duration: PT4M11S
duration ms: 251146
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Superstition
type: MusicRecording
duration: PT5M3S
duration ms: 303600
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Anata no Inai Fuukei
type: MusicRecording
duration: PT5M27S
duration ms: 327986
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Passage
type: MusicRecording
duration: PT4M16S
duration ms: 256279
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Hadashi no Lion
type: MusicRecording
duration: PT5M11S
duration ms: 311973
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC08800620

Sabishii Yoru niha Watashi wo Yonde
type: MusicRecording
duration: PT4M6S
duration ms: 246920
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

La Se N
type: MusicRecording
duration: PT7M13S
duration ms: 433666
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Getsuyoubi no Shissou
type: MusicRecording
duration: PT4M44S
duration ms: 284706
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Furueru 1 Byou
type: MusicRecording
duration: PT3M43S
duration ms: 223466
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Wine Hitokuchi no Uso
type: MusicRecording
duration: PT4M49S
duration ms: 289466
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

No No No No - Kohaku no Cocktail -
type: MusicRecording
duration: PT3M1S
duration ms: 181346
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Mahiru no Yume - Instrumental
type: MusicRecording
duration: PT2M4S
duration ms: 124813
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Kuchibiru Kara Biyaku
type: MusicRecording
duration: PT3M56S
duration ms: 236453
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Boya Boya Dekinai
type: MusicRecording
duration: PT3M40S
duration ms: 220920
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Again
type: MusicRecording
duration: PT4M14S
duration ms: 254600
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC08700280
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T17:07:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x953fe230e62f7ff5f6a17e1eb064fdb07124f1d56c662407301e1969a95da997
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957120
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5aNTc2L2QMOr6xF2qav5IM.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5aNTc2L2QMOr6xF2qav5IM
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x953fe230e62f7ff5f6a17e1eb064fdb07124f1d56c662407301e1969a95da997. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5aNTc2L2QMOr6xF2qav5IM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5aNTc2L2QMOr6xF2qav5IM.
  date published: 2026-07-08T03:22:41Z

Yume Utsutsu Jealousy
type: MusicRecording
duration: PT4M14S
duration ms: 254240
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Ai no Hyouryuusha
type: MusicRecording
duration: PT5M43S
duration ms: 343880
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Tsugihagi no Portrait
type: MusicRecording
duration: PT4M37S
duration ms: 277160
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Subete ha Sorekara
type: MusicRecording
duration: PT4M45S
duration ms: 285773
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Glass no Sanctuary
type: MusicRecording
duration: PT3M51S
duration ms: 231800
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Sunaoni Itte
type: MusicRecording
duration: PT6M46S
duration ms: 406253
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Embrace
type: MusicRecording
duration: PT4M31S
duration ms: 271386
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Mayonaka no Collect Call
type: MusicRecording
duration: PT3M30S
duration ms: 210466
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

“Shuuten”
type: MusicRecording
duration: PT5M6S
duration ms: 306613
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Koihitoyo
type: MusicRecording
duration: PT4M31S
duration ms: 271973
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Original Album Collection
  type: MusicAlbum
  date published: 1970-01-01

Shizuka Kudo "20Th Anniversary B-Side Collection"
type: MusicAlbum
date published: 1970-01-01
track: Ai ga Itai Yoru
  type: MusicRecording
  duration: PT4M5S
  duration ms: 245426
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: Shuumaku
  type: MusicRecording
  duration: PT5M10S
  duration ms: 310173
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: If
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228173
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: Chottoshita Guilty
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  duration: PT5M14S
  duration ms: 314213
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: Yoake ni Miokurarete
  type: MusicRecording
  duration: PT4M31S
  duration ms: 271760
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: Door
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  duration: PT4M43S
  duration ms: 283093
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: Natsu ga Kureta Miracle
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  duration: PT3M56S
  duration ms: 236786
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: Party
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  duration: PT4M9S
  duration ms: 249853
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: Gunshuu
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269026
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: Still Water
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  duration: PT4M57S
  duration ms: 297280
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: Non-Stop
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  duration: PT3M52S
  duration ms: 232706
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: 8 Gatsu…
  type: MusicRecording
  duration: PT4M55S
  duration ms: 295960
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: Eien no Bouhatei
  type: MusicRecording
  duration: PT4M28S
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  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: Nagai Kami
  type: MusicRecording
  duration: PT4M48S
  duration ms: 288986
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: Akiko
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236266
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: Break
  type: MusicRecording
  duration: PT4M57S
  duration ms: 297653
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: Serenade
  type: MusicRecording
  duration: PT5M1S
  duration ms: 301253
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: Niji (Rainbow)
  type: MusicRecording
  duration: PT4M52S
  duration ms: 292066
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: Beautiful World
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256839
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: Wish
  type: MusicRecording
  duration: PT4M26S
  duration ms: 266173
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: Tel..Me
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241920
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
track: In the Sky
  type: MusicRecording
  duration: PT4M34S
  duration ms: 274746
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09801073
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Ano Sakamichi
track: Piece of a Star
track: Manatsu no Shinkirou
track: Simple
track: Real
track: Urunda Heart
track: Ryusei
track: Powder Snow
track: Hatachi no Scenario
track: Sonzai
track: Minami Kaze !! Fuku Mae ni
track: Call

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-23T19:44:42+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x9be98007b67ef813581a5f92579df0c6962a85fc9902157a0ddbe1b6091a36a2

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956304

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/27kypNke3gn3BpotyFwVPX.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/27kypNke3gn3BpotyFwVPX

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x9be98007b67ef813581a5f92579df0c6962a85fc9902157a0ddbe1b6091a36a2","isrc":"JPPC09801073","name":"In the Sky","registered_at":"2026-06-23T19:44:42Z","spotify_id":"27kypNke3gn3BpotyFwVPX","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9be98007b67ef813581a5f92579df0c6962a85fc9902157a0ddbe1b6091a36a2. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/27kypNke3gn3BpotyFwVPX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/27kypNke3gn3BpotyFwVPX.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x9be98007b67ef813581a5f92579df0c6962a85fc9902157a0ddbe1b6091a36a2","isrc":"JPPC09801073","name":"In the Sky","registered_at":"2026-06-23T19:44:42Z","spotify_id":"27kypNke3gn3BpotyFwVPX","type":"track"}

Ano Sakamichi
type: MusicRecording
duration: PT4M25S
duration ms: 265093
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
  type: MusicAlbum
  date published: 1970-01-01

Piece of a Star
type: MusicRecording
duration: PT3M50S
duration ms: 230133
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
  type: MusicAlbum
  date published: 1970-01-01

Manatsu no Shinkirou
type: MusicRecording
duration: PT4M49S
duration ms: 289973
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
  type: MusicAlbum
  date published: 1970-01-01

Simple
type: MusicRecording
duration: PT5M14S
duration ms: 314560
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
  type: MusicAlbum
  date published: 1970-01-01

Real
type: MusicRecording
duration: PT4M48S
duration ms: 288146
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
  type: MusicAlbum
  date published: 1970-01-01

Urunda Heart
type: MusicRecording
duration: PT4M58S
duration ms: 298533
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
  type: MusicAlbum
  date published: 1970-01-01

Ryusei
type: MusicRecording
duration: PT5M5S
duration ms: 305853
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
  type: MusicAlbum
  date published: 1970-01-01

Powder Snow
type: MusicRecording
duration: PT5M0S
duration ms: 300240
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
  type: MusicAlbum
  date published: 1970-01-01

Hatachi no Scenario
type: MusicRecording
duration: PT5M1S
duration ms: 301280
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
  type: MusicAlbum
  date published: 1970-01-01

Sonzai
type: MusicRecording
duration: PT4M39S
duration ms: 279266
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
  type: MusicAlbum
  date published: 1970-01-01

Minami Kaze !! Fuku Mae ni
type: MusicRecording
duration: PT4M26S
duration ms: 266720
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
  type: MusicAlbum
  date published: 1970-01-01

Call
type: MusicRecording
duration: PT4M32S
duration ms: 272266
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo "20Th Anniversary B-Side Collection"
  type: MusicAlbum
  date published: 1970-01-01

My Precious - Shizuka Sings Songs of Miyuki -
type: MusicAlbum
date published: 1970-01-01
track: Sora to Kimi no Aidani - Cover
  type: MusicRecording
  duration: PT4M56S
  duration ms: 296000
  explicit: false
  by artist: Shizuka Kudo
  in album: My Precious - Shizuka Sings Songs of Miyuki -
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC00801248
track: Gin no Ryuu no Se ni Notte - Cover
  type: MusicRecording
  duration: PT5M45S
  duration ms: 345493
  explicit: false
  by artist: Shizuka Kudo
  in album: My Precious - Shizuka Sings Songs of Miyuki -
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC00801249
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T21:52:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1983b968dceb0a3842663e15c49a2e6e4b71d46f9425611ca89588e5f73b8aac
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2e4dZbIaWjC9bS3YoIdXMQ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2e4dZbIaWjC9bS3YoIdXMQ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x1983b968dceb0a3842663e15c49a2e6e4b71d46f9425611ca89588e5f73b8aac","isrc":"JPPC00801249","name":"Gin no Ryuu no Se ni Notte - Cover","registered_at":"2026-06-10T21:52:28Z","spotify_id":"2e4dZbIaWjC9bS3YoIdXMQ","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x1983b968dceb0a3842663e15c49a2e6e4b71d46f9425611ca89588e5f73b8aac. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2e4dZbIaWjC9bS3YoIdXMQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2e4dZbIaWjC9bS3YoIdXMQ.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x1983b968dceb0a3842663e15c49a2e6e4b71d46f9425611ca89588e5f73b8aac","isrc":"JPPC00801249","name":"Gin no Ryuu no Se ni Notte - Cover","registered_at":"2026-06-10T21:52:28Z","spotify_id":"2e4dZbIaWjC9bS3YoIdXMQ","type":"track"}
track: Mikaeri Bijin - Cover
  type: MusicRecording
  duration: PT4M32S
  duration ms: 272000
  explicit: false
  by artist: Shizuka Kudo
  in album: My Precious - Shizuka Sings Songs of Miyuki -
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC00801250
track: Yamaneko - Cover
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236000
  explicit: false
  by artist: Shizuka Kudo
  in album: My Precious - Shizuka Sings Songs of Miyuki -
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC00801251
track: Namida - Made in Tears - - Cover
  type: MusicRecording
  duration: PT4M59S
  duration ms: 299000
  explicit: false
  by artist: Shizuka Kudo
  in album: My Precious - Shizuka Sings Songs of Miyuki -
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC00801252
track: Camouflage - Cover
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218000
  explicit: false
  by artist: Shizuka Kudo
  in album: My Precious - Shizuka Sings Songs of Miyuki -
    type: MusicAlbum
    date published: 1970-01-01
track: Asai Nemuri - Cover
  type: MusicRecording
  duration: PT5M13S
  duration ms: 313680
  explicit: false
  by artist: Shizuka Kudo
  in album: My Precious - Shizuka Sings Songs of Miyuki -
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC00801254
track: Doyounami - Cover
  type: MusicRecording
  duration: PT4M45S
  duration ms: 285826
  explicit: false
  by artist: Shizuka Kudo
  in album: My Precious - Shizuka Sings Songs of Miyuki -
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC00801255
track: Inochi no Betsumei - Cover
  type: MusicRecording
  duration: PT4M31S
  duration ms: 271000
  explicit: false
  by artist: Shizuka Kudo
  in album: My Precious - Shizuka Sings Songs of Miyuki -
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC00801256
track: Sorafune - Cover
  type: MusicRecording
  duration: PT3M45S
  duration ms: 225000
  explicit: false
  by artist: Shizuka Kudo
  in album: My Precious - Shizuka Sings Songs of Miyuki -
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC00801257
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T17:31:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb5f612d38fd55435baa5fa36a165f2232e70443502f04b6fe9abbb0ac30e2d6a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/16Y24g1NkbeGORQEJQNufS.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/16Y24g1NkbeGORQEJQNufS
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb5f612d38fd55435baa5fa36a165f2232e70443502f04b6fe9abbb0ac30e2d6a","isrc":"JPPC00801257","name":"Sorafune - Cover","registered_at":"2026-06-27T17:31:10Z","spotify_id":"16Y24g1NkbeGORQEJQNufS","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xb5f612d38fd55435baa5fa36a165f2232e70443502f04b6fe9abbb0ac30e2d6a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/16Y24g1NkbeGORQEJQNufS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/16Y24g1NkbeGORQEJQNufS.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xb5f612d38fd55435baa5fa36a165f2232e70443502f04b6fe9abbb0ac30e2d6a","isrc":"JPPC00801257","name":"Sorafune - Cover","registered_at":"2026-06-27T17:31:10Z","spotify_id":"16Y24g1NkbeGORQEJQNufS","type":"track"}
track: Suzume - Cover
  type: MusicRecording
  duration: PT4M45S
  duration ms: 285000
  explicit: false
  by artist: Shizuka Kudo
  in album: My Precious - Shizuka Sings Songs of Miyuki -
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC00801258
track: Gekijou
  type: MusicRecording
  duration: PT4M38S
  duration ms: 278000
  explicit: false
  by artist: Shizuka Kudo
  in album: My Precious - Shizuka Sings Songs of Miyuki -
    type: MusicAlbum
    date published: 1970-01-01
track: Setsu Getsu Ka
  type: MusicRecording
  duration: PT4M45S
  duration ms: 285666
  explicit: false
  by artist: Shizuka Kudo
  in album: My Precious - Shizuka Sings Songs of Miyuki -
track: Clavis - Kagi -

Shizuka Kudo
type: MusicGroup

My Precious - Shizuka Sings Songs of Miyuki -
type: MusicAlbum
date published: 1970-01-01

Clavis - Kagi -
type: MusicRecording
duration: PT5M57S
duration ms: 357373
explicit: false
by artist: Shizuka Kudo
in album: My Precious - Shizuka Sings Songs of Miyuki -
  type: MusicAlbum
  date published: 1970-01-01

Shizuka Kudo 20th Anniversary the Best (Standard Edition)
type: MusicAlbum
date published: 1970-01-01
track: Kindan no Telepathy
  type: MusicRecording
  duration: PT3M45S
  duration ms: 225426
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Blue Rose
  type: MusicRecording
  duration: PT4M38S
  duration ms: 278866
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Again
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253552
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Jaguar Line
  type: MusicRecording
  duration: PT4M7S
  duration ms: 247279
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Daite Kuretara Iinoni
  type: MusicRecording
  duration: PT5M5S
  duration ms: 305226
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Ice Rain
  type: MusicRecording
  duration: PT6M0S
  duration ms: 360173
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Fu - Ji - Tsu
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226173
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Yuu
  type: MusicRecording
  duration: PT4M51S
  duration ms: 291746
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Mugo N…Iroppoi
  type: MusicRecording
  duration: PT3M52S
  duration ms: 232226
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Gekijou
  type: MusicRecording
  duration: PT4M37S
  duration ms: 277239
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Koi Hitoyo
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269959
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Blue Velvet
  type: MusicRecording
  duration: PT3M53S
  duration ms: 233799
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Arashi no Sugao
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210199
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Setsu Getsu Ka
  type: MusicRecording
  duration: PT4M46S
  duration ms: 286119
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09717428
track: Kousa ni Fukarete
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228053
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Kirara
  type: MusicRecording
  duration: PT4M51S
  duration ms: 291879
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09801072
track: Kuchibiru Kara Biyaku
  type: MusicRecording
  duration: PT3M55S
  duration ms: 235159
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Lotus - Umareshi Hana -
  type: MusicRecording
  duration: PT5M13S
  duration ms: 313399
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Senryu no Shizuku
  type: MusicRecording
  duration: PT4M41S
  duration ms: 281186
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Kokoro no Chikara
  type: MusicRecording
  duration: PT5M1S
  duration ms: 301106
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Watashi ni Tsuite
  type: MusicRecording
  duration: PT4M5S
  duration ms: 245893
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Clavis - Kagi -
  type: MusicRecording
  duration: PT5M57S
  duration ms: 357133
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
    type: MusicAlbum
    date published: 1970-01-01
track: Boya Boya Dekinai
track: Amayo no Tsuki ni
track: Metamorphose
track: Manjusyage
track: Mechakucha ni Naite Shimaitai
track: Koi Hitoyo - 2007 Classical Version
track: Koe wo Kikasete
track: Mechakucha ni Naite Shimaitai - 2007 Jazz Version
track: Doukoku
track: Anata Shika Inai Desho

Boya Boya Dekinai
type: MusicRecording
duration: PT3M39S
duration ms: 219199
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
  type: MusicAlbum
  date published: 1970-01-01

Amayo no Tsuki ni
type: MusicRecording
duration: PT5M3S
duration ms: 303559
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC00700317

Metamorphose
type: MusicRecording
duration: PT4M13S
duration ms: 253426
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
  type: MusicAlbum
  date published: 1970-01-01

Manjusyage
type: MusicRecording
duration: PT5M40S
duration ms: 340759
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC00500150
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T09:44:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9dd25117cc6bf2e911c77d62814de65d66870ac1deec391b394b4e1e866d51ba
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2fqog8tU5act6sGBi0O4ui.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2fqog8tU5act6sGBi0O4ui
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9dd25117cc6bf2e911c77d62814de65d66870ac1deec391b394b4e1e866d51ba. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2fqog8tU5act6sGBi0O4ui.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2fqog8tU5act6sGBi0O4ui.
  date published: 2026-07-02T03:55:08Z

Mechakucha ni Naite Shimaitai
type: MusicRecording
duration: PT4M58S
duration ms: 298013
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
  type: MusicAlbum
  date published: 1970-01-01

Koi Hitoyo - 2007 Classical Version
type: MusicRecording
duration: PT4M54S
duration ms: 294986
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
  type: MusicAlbum
  date published: 1970-01-01

Koe wo Kikasete
type: MusicRecording
duration: PT6M34S
duration ms: 394386
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC09220830

Mechakucha ni Naite Shimaitai - 2007 Jazz Version
type: MusicRecording
duration: PT5M33S
duration ms: 333401
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
  type: MusicAlbum
  date published: 1970-01-01

Doukoku
type: MusicRecording
duration: PT4M46S
duration ms: 286013
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
  type: MusicAlbum
  date published: 1970-01-01

Anata Shika Inai Desho
type: MusicRecording
duration: PT6M24S
duration ms: 384461
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo 20th Anniversary the Best (Standard Edition)
  type: MusicAlbum
  date published: 1970-01-01

Tsukikage
type: MusicAlbum
date published: 1970-01-01
track: Intro
  type: MusicRecording
  duration: PT0M49S
  duration ms: 49400
  explicit: false
  by artist: Shizuka Kudo
  in album: Tsukikage
    type: MusicAlbum
    date published: 1970-01-01
track: Replay
  type: MusicRecording
  duration: PT5M7S
  duration ms: 307626
  explicit: false
  by artist: Shizuka Kudo
  in album: Tsukikage
    type: MusicAlbum
    date published: 1970-01-01
track: Kokoro no Chikara
  type: MusicRecording
  duration: PT5M1S
  duration ms: 301226
  explicit: false
  by artist: Shizuka Kudo
  in album: Tsukikage
    type: MusicAlbum
    date published: 1970-01-01
track: Tsukiyo no Sabaku
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211826
  explicit: false
  by artist: Shizuka Kudo
  in album: Tsukikage
    type: MusicAlbum
    date published: 1970-01-01
track: Lotus - Umareshi Hana -
  type: MusicRecording
  duration: PT5M15S
  duration ms: 315240
  explicit: false
  by artist: Shizuka Kudo
  in album: Tsukikage
    type: MusicAlbum
    date published: 1970-01-01
track: Break of Still
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222480
  explicit: false
  by artist: Shizuka Kudo
  in album: Tsukikage
    type: MusicAlbum
    date published: 1970-01-01
track: Rain
  type: MusicRecording
  duration: PT4M8S
  duration ms: 248760
  explicit: false
  by artist: Shizuka Kudo
  in album: Tsukikage
    type: MusicAlbum
    date published: 1970-01-01
track: Kuchibiru wo Nemurasete
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241746
  explicit: false
  by artist: Shizuka Kudo
  in album: Tsukikage
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC00500521
track: Memories
  type: MusicRecording
  duration: PT4M54S
  duration ms: 294266
  explicit: false
  by artist: Shizuka Kudo
  in album: Tsukikage
    type: MusicAlbum
    date published: 1970-01-01
track: Shinkaigyo
  type: MusicRecording
  duration: PT4M2S
  duration ms: 242040
  explicit: false
  by artist: Shizuka Kudo
  in album: Tsukikage
    type: MusicAlbum
    date published: 1970-01-01
track: Taisetsu na Anata he
  type: MusicRecording
  duration: PT4M11S
  duration ms: 251520
  explicit: false
  by artist: Shizuka Kudo
  in album: Tsukikage
    type: MusicAlbum
    date published: 1970-01-01
track: Outro
  type: MusicRecording
  duration: PT1M39S
  duration ms: 99200
  explicit: false
  by artist: Shizuka Kudo
  in album: Tsukikage
    type: MusicAlbum
    date published: 1970-01-01

Shizuka Kudo Best
type: MusicAlbum
date published: 1970-01-01
track: Kindan no Telepathy
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227920
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo Best
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08700250
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T12:15:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957124
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6Q3QfniiR4MuCIgoQxX2lf.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Q3QfniiR4MuCIgoQxX2lf
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116","isrc":"JPPC08700250","name":"Kindan no Telepathy","registered_at":"2026-06-04T12:15:31Z","spotify_id":"6Q3QfniiR4MuCIgoQxX2lf","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Q3QfniiR4MuCIgoQxX2lf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Q3QfniiR4MuCIgoQxX2lf.
    date published: 2026-07-08T03:53:27Z
    text: {"copyright_id":"0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116","isrc":"JPPC08700250","name":"Kindan no Telepathy","registered_at":"2026-06-04T12:15:31Z","spotify_id":"6Q3QfniiR4MuCIgoQxX2lf","type":"track"}
track: Daite Kuretara Iinoni
  type: MusicRecording
  duration: PT5M6S
  duration ms: 306373
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo Best
    type: MusicAlbum
    date published: 1970-01-01
track: Fu - Ji - Tsu
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227253
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo Best
    type: MusicAlbum
    date published: 1970-01-01
track: Mugo N…Iroppoi
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234386
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo Best
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08800530
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T09:38:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdcd810fdcb3a2d4f2ab65c1e12e23b245f14b684614c931e3742e0e0be2ca975
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957145
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6N3mPsxGroj4eRcB1zyTek.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6N3mPsxGroj4eRcB1zyTek
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xdcd810fdcb3a2d4f2ab65c1e12e23b245f14b684614c931e3742e0e0be2ca975","isrc":"JPPC08800530","name":"Mugo N…Iroppoi","registered_at":"2026-06-07T09:38:16Z","spotify_id":"6N3mPsxGroj4eRcB1zyTek","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xdcd810fdcb3a2d4f2ab65c1e12e23b245f14b684614c931e3742e0e0be2ca975. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6N3mPsxGroj4eRcB1zyTek.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6N3mPsxGroj4eRcB1zyTek.
    date published: 2026-07-08T08:56:20Z
    text: {"copyright_id":"0xdcd810fdcb3a2d4f2ab65c1e12e23b245f14b684614c931e3742e0e0be2ca975","isrc":"JPPC08800530","name":"Mugo N…Iroppoi","registered_at":"2026-06-07T09:38:16Z","spotify_id":"6N3mPsxGroj4eRcB1zyTek","type":"track"}
track: Koihitoyo
  type: MusicRecording
  duration: PT4M31S
  duration ms: 271653
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo Best
    type: MusicAlbum
    date published: 1970-01-01
track: Arashi no Sugao
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212026
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo Best
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900620
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T23:23:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbf6ffe719c6148def0ef925e573247979f4b2982d5396537a51e5647b905fd2c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957118
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4Iwlptb6HTdNQ6WVFmcnPl.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Iwlptb6HTdNQ6WVFmcnPl
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xbf6ffe719c6148def0ef925e573247979f4b2982d5396537a51e5647b905fd2c","isrc":"JPPC08900620","name":"Arashi no Sugao","registered_at":"2026-06-08T23:23:49Z","spotify_id":"4Iwlptb6HTdNQ6WVFmcnPl","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xbf6ffe719c6148def0ef925e573247979f4b2982d5396537a51e5647b905fd2c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Iwlptb6HTdNQ6WVFmcnPl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Iwlptb6HTdNQ6WVFmcnPl.
    date published: 2026-07-08T03:20:19Z
    text: {"copyright_id":"0xbf6ffe719c6148def0ef925e573247979f4b2982d5396537a51e5647b905fd2c","isrc":"JPPC08900620","name":"Arashi no Sugao","registered_at":"2026-06-08T23:23:49Z","spotify_id":"4Iwlptb6HTdNQ6WVFmcnPl","type":"track"}
track: Kousa ni Fukarete
  type: MusicRecording
  duration: PT3M50S
  duration ms: 230746
  explicit: false
  by artist: Shizuka Kudo
  in album: Shizuka Kudo Best
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900650
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T21:13:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957145
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2lf68oM7fO5Jlr7tH8gcwQ.json
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Kuchibiru Kara Biyaku
track: Senryu no Sizuku
track: Boya Boya Dekinai
track: Metamorphose
track: Mechakucha ni Naite Shimaitai
track: Doukoku
track: Blue Rose
track: Ice Rain
track: Blue Velvet

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2lf68oM7fO5Jlr7tH8gcwQ

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

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690","isrc":"JPPC08900650","name":"Kousa ni Fukarete","registered_at":"2026-06-09T21:13:24Z","spotify_id":"2lf68oM7fO5Jlr7tH8gcwQ","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2lf68oM7fO5Jlr7tH8gcwQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2lf68oM7fO5Jlr7tH8gcwQ.
date published: 2026-07-08T08:56:20Z
text: {"copyright_id":"0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690","isrc":"JPPC08900650","name":"Kousa ni Fukarete","registered_at":"2026-06-09T21:13:24Z","spotify_id":"2lf68oM7fO5Jlr7tH8gcwQ","type":"track"}

Kuchibiru Kara Biyaku
type: MusicRecording
duration: PT3M57S
duration ms: 237293
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Best
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC08900680
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T18:55:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc5d4a84c00d9e58d913939bce2166258c93c5615636c2145c7881a4e1c2bb713
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957145
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6L1xelFTQ4lV4k00MK51Xr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6L1xelFTQ4lV4k00MK51Xr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc5d4a84c00d9e58d913939bce2166258c93c5615636c2145c7881a4e1c2bb713","isrc":"JPPC08900680","name":"Kuchibiru Kara Biyaku","registered_at":"2026-06-11T18:55:02Z","spotify_id":"6L1xelFTQ4lV4k00MK51Xr","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xc5d4a84c00d9e58d913939bce2166258c93c5615636c2145c7881a4e1c2bb713. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6L1xelFTQ4lV4k00MK51Xr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6L1xelFTQ4lV4k00MK51Xr.
  date published: 2026-07-08T08:56:20Z
  text: {"copyright_id":"0xc5d4a84c00d9e58d913939bce2166258c93c5615636c2145c7881a4e1c2bb713","isrc":"JPPC08900680","name":"Kuchibiru Kara Biyaku","registered_at":"2026-06-11T18:55:02Z","spotify_id":"6L1xelFTQ4lV4k00MK51Xr","type":"track"}

Senryu no Sizuku
type: MusicRecording
duration: PT4M41S
duration ms: 281546
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Best
  type: MusicAlbum
  date published: 1970-01-01

Boya Boya Dekinai
type: MusicRecording
duration: PT3M40S
duration ms: 220693
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Best
  type: MusicAlbum
  date published: 1970-01-01

Metamorphose
type: MusicRecording
duration: PT4M15S
duration ms: 255226
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Best
  type: MusicAlbum
  date published: 1970-01-01

Mechakucha ni Naite Shimaitai
type: MusicRecording
duration: PT4M59S
duration ms: 299480
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Best
  type: MusicAlbum
  date published: 1970-01-01

Doukoku
type: MusicRecording
duration: PT4M47S
duration ms: 287680
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Best
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC09300280
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T22:22:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3499124cc05574e9b6923302eba7c2d4630d3f5ae68f4d809b28cafeefa39032
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957145
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7xz4FBo2X2NDZFWPQVWLhf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7xz4FBo2X2NDZFWPQVWLhf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3499124cc05574e9b6923302eba7c2d4630d3f5ae68f4d809b28cafeefa39032. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7xz4FBo2X2NDZFWPQVWLhf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7xz4FBo2X2NDZFWPQVWLhf.
  date published: 2026-07-08T08:56:20Z

Blue Rose
type: MusicRecording
duration: PT4M41S
duration ms: 281266
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Best
  type: MusicAlbum
  date published: 1970-01-01

Ice Rain
type: MusicRecording
duration: PT6M2S
duration ms: 362986
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Best
  type: MusicAlbum
  date published: 1970-01-01

Blue Velvet
type: MusicRecording
duration: PT3M53S
duration ms: 233626
explicit: false
by artist: Shizuka Kudo
in album: Shizuka Kudo Best
  type: MusicAlbum
  date published: 1970-01-01

Full of Love
type: MusicAlbum
date published: 1970-01-01
track: Blue Zone
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253173
  explicit: false
  by artist: Shizuka Kudo
  in album: Full of Love
    type: MusicAlbum
    date published: 1970-01-01
track: Dynamite
  type: MusicRecording
  duration: PT4M5S
  duration ms: 245333
  explicit: false
  by artist: Shizuka Kudo
  in album: Full of Love
    type: MusicAlbum
    date published: 1970-01-01
track: Toward…
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265666
  explicit: false
  by artist: Shizuka Kudo
  in album: Full of Love
    type: MusicAlbum
    date published: 1970-01-01
track: Loose
  type: MusicRecording
  duration: PT4M19S
  duration ms: 259693
  explicit: false
  by artist: Shizuka Kudo
  in album: Full of Love
    type: MusicAlbum
    date published: 1970-01-01
track: Zutto
  type: MusicRecording
  duration: PT5M3S
  duration ms: 303466
  explicit: false
  by artist: Shizuka Kudo
  in album: Full of Love
    type: MusicAlbum
    date published: 1970-01-01
track: Seaside
  type: MusicRecording
  duration: PT4M50S
  duration ms: 290666
  explicit: false
  by artist: Shizuka Kudo
  in album: Full of Love
    type: MusicAlbum
    date published: 1970-01-01
track: Super
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280173
  explicit: false
  by artist: Shizuka Kudo
  in album: Full of Love
    type: MusicAlbum
    date published: 1970-01-01
track: That Is Why
  type: MusicRecording
  duration: PT5M17S
  duration ms: 317493
  explicit: false
  by artist: Shizuka Kudo
  in album: Full of Love
    type: MusicAlbum
    date published: 1970-01-01
track: Ziguzagu
  type: MusicRecording
  duration: PT4M56S
  duration ms: 296266
  explicit: false
  by artist: Shizuka Kudo
  in album: Full of Love
    type: MusicAlbum
    date published: 1970-01-01
track: Subete wo Boku ga…
  type: MusicRecording
  duration: PT4M11S
  duration ms: 251600
  explicit: false
  by artist: Shizuka Kudo
  in album: Full of Love
    type: MusicAlbum
    date published: 1970-01-01
track: Color
  type: MusicRecording
  duration: PT5M39S
  duration ms: 339733
  explicit: false
  by artist: Shizuka Kudo
  in album: Full of Love
    type: MusicAlbum
    date published: 1970-01-01

I’m Not
type: MusicAlbum
date published: 1970-01-01
track: Delusion - Mousou -
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219333
  explicit: false
  by artist: Shizuka Kudo
  in album: I’m Not
    type: MusicAlbum
    date published: 1970-01-01
track: Away
  type: MusicRecording
  duration: PT4M55S
  duration ms: 295840
  explicit: false
  by artist: Shizuka Kudo
  in album: I’m Not
    type: MusicAlbum
    date published: 1970-01-01
track: Kama Sutra no Densetsu
  type: MusicRecording
  duration: PT4M53S
  duration ms: 293000
  explicit: false
  by artist: Shizuka Kudo
  in album: I’m Not
    type: MusicAlbum
    date published: 1970-01-01
track: It’s Ok
  type: MusicRecording
  duration: PT5M17S
  duration ms: 317000
  explicit: false
  by artist: Shizuka Kudo
  in album: I’m Not
    type: MusicAlbum
    date published: 1970-01-01
track: Pop Corn
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253493
  explicit: false
  by artist: Shizuka Kudo
  in album: I’m Not
    type: MusicAlbum
    date published: 1970-01-01
track: Who Knows
  type: MusicRecording
  duration: PT5M18S
  duration ms: 318000
  explicit: false
  by artist: Shizuka Kudo
  in album: I’m Not
    type: MusicAlbum
    date published: 1970-01-01
track: Blue Velvet
  type: MusicRecording
  duration: PT3M52S
  duration ms: 232506
  explicit: false
  by artist: Shizuka Kudo
  in album: I’m Not
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09704220
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T09:41:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x48adbf878f23ea564ea6186ad1b7204bf3a596ef5517c453f819ebe57d0a2134
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0ja7CPtemegzcL6rPA62zz.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ja7CPtemegzcL6rPA62zz
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x48adbf878f23ea564ea6186ad1b7204bf3a596ef5517c453f819ebe57d0a2134","isrc":"JPPC09704220","name":"Blue Velvet","registered_at":"2026-06-07T09:41:45Z","spotify_id":"0ja7CPtemegzcL6rPA62zz","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x48adbf878f23ea564ea6186ad1b7204bf3a596ef5517c453f819ebe57d0a2134. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0ja7CPtemegzcL6rPA62zz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ja7CPtemegzcL6rPA62zz.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x48adbf878f23ea564ea6186ad1b7204bf3a596ef5517c453f819ebe57d0a2134","isrc":"JPPC09704220","name":"Blue Velvet","registered_at":"2026-06-07T09:41:45Z","spotify_id":"0ja7CPtemegzcL6rPA62zz","type":"track"}
track: Doggie
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220493
  explicit: false
  by artist: Shizuka Kudo
  in album: I’m Not
    type: MusicAlbum
    date published: 1970-01-01
track: Nostalgia
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279666
  explicit: false
  by artist: Shizuka Kudo
  in album: I’m Not
    type: MusicAlbum
    date published: 1970-01-01
track: Glacier - Hyouga -
  type: MusicRecording
  duration: PT5M29S
  duration ms: 329000
  explicit: false
  by artist: Shizuka Kudo
  in album: I’m Not
    type: MusicAlbum
    date published: 1970-01-01

Dress
type: MusicAlbum
date published: 1970-01-01
track: Akai Dress
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179840
  explicit: false
  by artist: Shizuka Kudo
  in album: Dress
    type: MusicAlbum
    date published: 1970-01-01
track: Gin no Tsume
  type: MusicRecording
  duration: PT4M42S
  duration ms: 282400
  explicit: false
  by artist: Shizuka Kudo
  in album: Dress
    type: MusicAlbum
    date published: 1970-01-01
track: Poison Kiss
  type: MusicRecording
  duration: PT4M44S
  duration ms: 284333
  explicit: false
  by artist: Shizuka Kudo
  in album: Dress
    type: MusicAlbum
    date published: 1970-01-01
track: Otayori
  type: MusicRecording
  duration: PT5M41S
  duration ms: 341623
  explicit: false
  by artist: Shizuka Kudo
  in album: Dress
    type: MusicAlbum
    date published: 1970-01-01
track: Binetsu
  type: MusicRecording
  duration: PT4M30S
  duration ms: 270733
  explicit: false
  by artist: Shizuka Kudo
  in album: Dress
    type: MusicAlbum
    date published: 1970-01-01
track: Gekijou
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276306
  explicit: false
  by artist: Shizuka Kudo
  in album: Dress
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09628870
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T01:09:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x258deaaca760bfd86dcdd044ac3928c272297ec4659488fb942de12de20f0020
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956349
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956349
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1bVbcbEzAd4LNqmE4U5j07.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1bVbcbEzAd4LNqmE4U5j07
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:34:59Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x258deaaca760bfd86dcdd044ac3928c272297ec4659488fb942de12de20f0020. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1bVbcbEzAd4LNqmE4U5j07.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1bVbcbEzAd4LNqmE4U5j07.
    date published: 2026-07-02T11:34:59Z
track: Tatoeba
  type: MusicRecording
  duration: PT5M14S
  duration ms: 314293
  explicit: false
  by artist: Shizuka Kudo
  in album: Dress
    type: MusicAlbum
    date published: 1970-01-01
track: Matenrou
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276666
  explicit: false
  by artist: Shizuka Kudo
  in album: Dress
    type: MusicAlbum
    date published: 1970-01-01
track: Flash Back
  type: MusicRecording
  duration: PT5M38S
  duration ms: 338493
  explicit: false
  by artist: Shizuka Kudo
  in album: Dress
    type: MusicAlbum
    date published: 1970-01-01
track: Eternity
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176240
  explicit: false
  by artist: Shizuka Kudo
  in album: Dress
    type: MusicAlbum
    date published: 1970-01-01

Doing
type: MusicAlbum
date published: 1970-01-01
track: Loving
  type: MusicRecording
  duration: PT5M10S
  duration ms: 310000
  explicit: false
  by artist: Shizuka Kudo
  in album: Doing
    type: MusicAlbum
    date published: 1970-01-01
track: Luna - Tsuki no Megami -
  type: MusicRecording
  duration: PT4M47S
  duration ms: 287000
  explicit: false
  by artist: Shizuka Kudo
  in album: Doing
    type: MusicAlbum
    date published: 1970-01-01
track: Melody
  type: MusicRecording
  duration: PT5M30S
  duration ms: 330853
  explicit: false
  by artist: Shizuka Kudo
  in album: Doing
    type: MusicAlbum
    date published: 1970-01-01
track: 7
  type: MusicRecording
  duration: PT5M46S
  duration ms: 346906
  explicit: false
  by artist: Shizuka Kudo
  in album: Doing
    type: MusicAlbum
    date published: 1970-01-01
track: Girl
  type: MusicRecording
  duration: PT5M22S
  duration ms: 322400
  explicit: false
  by artist: Shizuka Kudo
  in album: Doing
    type: MusicAlbum
    date published: 1970-01-01
track: Kaze ni Naritai
  type: MusicRecording
  duration: PT6M9S
  duration ms: 369266
  explicit: false
  by artist: Shizuka Kudo
  in album: Doing
    type: MusicAlbum
    date published: 1970-01-01
track: Sepia no Kuchizuke
  type: MusicRecording
  duration: PT5M3S
  duration ms: 303573
  explicit: false
  by artist: Shizuka Kudo
  in album: Doing
    type: MusicAlbum
    date published: 1970-01-01
track: Ajisai
  type: MusicRecording
  duration: PT5M58S
  duration ms: 358160
  explicit: false
  by artist: Shizuka Kudo
  in album: Doing
    type: MusicAlbum
    date published: 1970-01-01
track: Chou
  type: MusicRecording
  duration: PT5M11S
  duration ms: 311106
  explicit: false
  by artist: Shizuka Kudo
  in album: Doing
    type: MusicAlbum
    date published: 1970-01-01
track: Tsubasa wo Hirogete
  type: MusicRecording
  duration: PT6M25S
  duration ms: 385066
  explicit: false
  by artist: Shizuka Kudo
  in album: Doing
    type: MusicAlbum
    date published: 1970-01-01

Purple
type: MusicAlbum
date published: 1970-01-01
track: Ice Rain
  type: MusicRecording
  duration: PT6M0S
  duration ms: 360706
  explicit: false
  by artist: Shizuka Kudo
  in album: Purple
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09423960
track: Wing
  type: MusicRecording
  duration: PT4M31S
  duration ms: 271146
  explicit: false
  by artist: Shizuka Kudo
  in album: Purple
    type: MusicAlbum
    date published: 1970-01-01
track: Deadline
  type: MusicRecording
  duration: PT5M10S
  duration ms: 310040
  explicit: false
  by artist: Shizuka Kudo
  in album: Purple
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09518370
track: Tomorrow’s River
  type: MusicRecording
  duration: PT6M16S
  duration ms: 376640
  explicit: false
  by artist: Shizuka Kudo
  in album: Purple
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09518380
track: Olivia
  type: MusicRecording
  duration: PT5M29S
  duration ms: 329880
  explicit: false
  by artist: Shizuka Kudo
  in album: Purple
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09518390
track: Bloom
  type: MusicRecording
  duration: PT5M12S
  duration ms: 312013
  explicit: false
  by artist: Shizuka Kudo
  in album: Purple
    type: MusicAlbum
    date published: 1970-01-01
track: Moon Water
  type: MusicRecording
  duration: PT5M10S
  duration ms: 310440
  explicit: false
  by artist: Shizuka Kudo
  in album: Purple
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09508640
track: Virgin Flight - 1996 -
  type: MusicRecording
  duration: PT5M1S
  duration ms: 301413
  explicit: false
  by artist: Shizuka Kudo
  in album: Purple
    type: MusicAlbum
    date published: 1970-01-01
track: Sagigusa
  type: MusicRecording
  duration: PT4M44S
  duration ms: 284040
  explicit: false
  by artist: Shizuka Kudo
  in album: Purple
    type: MusicAlbum
    date published: 1970-01-01
track: Venus
  type: MusicRecording
  duration: PT5M3S
  duration ms: 303120
  explicit: false
  by artist: Shizuka Kudo
  in album: Purple
    type: MusicAlbum
    date published: 1970-01-01

Expose
type: MusicAlbum
date published: 1970-01-01
track: Blue Rose
  type: MusicRecording
  duration: PT4M38S
  duration ms: 278478
  explicit: false
  by artist: Shizuka Kudo
  in album: Expose
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09400380
track: Sameteiku Oto
  type: MusicRecording
  duration: PT4M59S
  duration ms: 299666
  explicit: false
  by artist: Shizuka Kudo
  in album: Expose
    type: MusicAlbum
    date published: 1970-01-01
track: Yume
  type: MusicRecording
  duration: PT5M44S
  duration ms: 344640
  explicit: false
  by artist: Shizuka Kudo
  in album: Expose
    type: MusicAlbum
    date published: 1970-01-01
track: Bokuyori Iihito to…
  type: MusicRecording
  duration: PT5M6S
  duration ms: 306066
  explicit: false
  by artist: Shizuka Kudo
  in album: Expose
    type: MusicAlbum
    date published: 1970-01-01
track: Naked Love
  type: MusicRecording
  duration: PT4M54S
  duration ms: 294928
  explicit: false
  by artist: Shizuka Kudo
  in album: Expose
    type: MusicAlbum
    date published: 1970-01-01
track: Jazzy na Koneko
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238540
  explicit: false
  by artist: Shizuka Kudo
  in album: Expose
    type: MusicAlbum
    date published: 1970-01-01
track: Adamas - Seifuku Sarezaru Mono
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241872
  explicit: false
  by artist: Shizuka Kudo
  in album: Expose
    type: MusicAlbum
    date published: 1970-01-01
track: I’m Nothing to You
  type: MusicRecording
  duration: PT6M29S
  duration ms: 389594
  explicit: false
  by artist: Shizuka Kudo
  in album: Expose
    type: MusicAlbum
    date published: 1970-01-01
track: Step
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269538
  explicit: false
  by artist: Shizuka Kudo
  in album: Expose
    type: MusicAlbum
    date published: 1970-01-01
track: Pain
  type: MusicRecording
  duration: PT5M15S
  duration ms: 315351
  explicit: false
  by artist: Shizuka Kudo
  in album: Expose
    type: MusicAlbum
    date published: 1970-01-01
track: Jaguar Line
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246346
  explicit: false
  by artist: Shizuka Kudo
  in album: Expose
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09414210

Rise Me
type: MusicAlbum
date published: 1970-01-01
track: Sayonara Lonely Korekkiri Lonely
  type: MusicRecording
  duration: PT5M14S
  duration ms: 314066
  explicit: false
  by artist: Shizuka Kudo
  in album: Rise Me
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09307590
track: Do Done
  type: MusicRecording
  duration: PT4M33S
  duration ms: 273600
  explicit: false
  by artist: Shizuka Kudo
  in album: Rise Me
    type: MusicAlbum
    date published: 1970-01-01
track: Kawaita Hana
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246333
  explicit: false
  by artist: Shizuka Kudo
  in album: Rise Me
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09307610
track: Kimi ga Tsubasa wo Hirogeru Toki
  type: MusicRecording
  duration: PT5M57S
  duration ms: 357066
  explicit: false
  by artist: Shizuka Kudo
  in album: Rise Me
    type: MusicAlbum
    date published: 1970-01-01
track: Tanin no Machi
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267000
  explicit: false
  by artist: Shizuka Kudo
  in album: Rise Me
    type: MusicAlbum
    date published: 1970-01-01
track: Gong
  type: MusicRecording
  duration: PT4M18S
  duration ms: 258160
  explicit: false
  by artist: Shizuka Kudo
  in album: Rise Me
    type: MusicAlbum
    date published: 1970-01-01
track: Kanashimi no Ocean
  type: MusicRecording
  duration: PT4M50S
  duration ms: 290840
  explicit: false
  by artist: Shizuka Kudo
  in album: Rise Me
    type: MusicAlbum
    date published: 1970-01-01
track: Hot Body
  type: MusicRecording
  duration: PT4M37S
  duration ms: 277360
  explicit: false
  by artist: Shizuka Kudo
  in album: Rise Me
    type: MusicAlbum
    date published: 1970-01-01
track: Sonoato ha Ame no Naka
  type: MusicRecording
  duration: PT5M7S
  duration ms: 307600
  explicit: false
  by artist: Shizuka Kudo
  in album: Rise Me
    type: MusicAlbum
    date published: 1970-01-01
track: Doukoku
  type: MusicRecording
  duration: PT4M45S
  duration ms: 285306
  explicit: false
  by artist: Shizuka Kudo
  in album: Rise Me
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09300280
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T22:22:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3499124cc05574e9b6923302eba7c2d4630d3f5ae68f4d809b28cafeefa39032
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5A8Ol39jeXCzbuFQbEdRRF.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5A8Ol39jeXCzbuFQbEdRRF
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3499124cc05574e9b6923302eba7c2d4630d3f5ae68f4d809b28cafeefa39032. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5A8Ol39jeXCzbuFQbEdRRF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5A8Ol39jeXCzbuFQbEdRRF.
    date published: 2026-06-13T13:32:09Z

Trinity
type: MusicAlbum
date published: 1970-01-01
track: Mechakucha ni Naite Shimaitai
  type: MusicRecording
  duration: PT4M59S
  duration ms: 299533
  explicit: false
  by artist: Shizuka Kudo
  in album: Trinity
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09101740
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T17:30:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf54e37c491151ca65662152ea2fd111bbb58ea0b24788f07b9cf8b5882ae7e4c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4KfpnjvQmJ9HYOCElDqaxp.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4KfpnjvQmJ9HYOCElDqaxp
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xf54e37c491151ca65662152ea2fd111bbb58ea0b24788f07b9cf8b5882ae7e4c","isrc":"JPPC09101740","name":"Mechakucha ni Naite Shimaitai","registered_at":"2026-06-27T17:30:28Z","spotify_id":"4KfpnjvQmJ9HYOCElDqaxp","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf54e37c491151ca65662152ea2fd111bbb58ea0b24788f07b9cf8b5882ae7e4c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4KfpnjvQmJ9HYOCElDqaxp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4KfpnjvQmJ9HYOCElDqaxp.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xf54e37c491151ca65662152ea2fd111bbb58ea0b24788f07b9cf8b5882ae7e4c","isrc":"JPPC09101740","name":"Mechakucha ni Naite Shimaitai","registered_at":"2026-06-27T17:30:28Z","spotify_id":"4KfpnjvQmJ9HYOCElDqaxp","type":"track"}
track: Moonlight no Seijanai
  type: MusicRecording
  duration: PT5M26S
  duration ms: 326226
  explicit: false
  by artist: Shizuka Kudo
  in album: Trinity
    type: MusicAlbum
    date published: 1970-01-01
track: My Eyes
  type: MusicRecording
  duration: PT4M55S
  duration ms: 295506
  explicit: false
  by artist: Shizuka Kudo
  in album: Trinity
    type: MusicAlbum
    date published: 1970-01-01
track: Anata no Inai Fuukei
  type: MusicRecording
  duration: PT5M28S
  duration ms: 328000
  explicit: false
  by artist: Shizuka Kudo
  in album: Trinity
    type: MusicAlbum
    date published: 1970-01-01
track: Magic
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261560
  explicit: false
  by artist: Shizuka Kudo
  in album: Trinity
    type: MusicAlbum
    date published: 1970-01-01
track: News no Naka no Seishun
  type: MusicRecording
  duration: PT5M49S
  duration ms: 349373
  explicit: false
  by artist: Shizuka Kudo
  in album: Trinity
    type: MusicAlbum
    date published: 1970-01-01
track: Kiri no Kanata he
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256720
  explicit: false
  by artist: Shizuka Kudo
  in album: Trinity
    type: MusicAlbum
    date published: 1970-01-01
track: Futarini Sasete
  type: MusicRecording
  duration: PT5M12S
  duration ms: 312546
  explicit: false
  by artist: Shizuka Kudo
  in album: Trinity
    type: MusicAlbum
    date published: 1970-01-01
track: Tasogarega Yoruni Naru
  type: MusicRecording
  duration: PT5M4S
  duration ms: 304133
  explicit: false
  by artist: Shizuka Kudo
  in album: Trinity
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09206100
track: Suterareta Neko Janai Kara
  type: MusicRecording
  duration: PT7M39S
  duration ms: 459933
  explicit: false
  by artist: Shizuka Kudo
  in album: Trinity
    type: MusicAlbum
    date published: 1970-01-01

Mind Universe
type: MusicAlbum
date published: 1970-01-01
track: Ude no Naka no Universe
  type: MusicRecording
  duration: PT4M10S
  duration ms: 250600
  explicit: false
  by artist: Shizuka Kudo
  in album: Mind Universe
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09101770
track: Hashi
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219200
  explicit: false
  by artist: Shizuka Kudo
  in album: Mind Universe
    type: MusicAlbum
    date published: 1970-01-01
track: Mumei no Kyuujitsu
  type: MusicRecording
  duration: PT5M6S
  duration ms: 306760
  explicit: false
  by artist: Shizuka Kudo
  in album: Mind Universe
    type: MusicAlbum
    date published: 1970-01-01
track: Superstition
  type: MusicRecording
  duration: PT5M3S
  duration ms: 303440
  explicit: false
  by artist: Shizuka Kudo
  in album: Mind Universe
    type: MusicAlbum
    date published: 1970-01-01
track: Furueru 1 Byou
  type: MusicRecording
  duration: PT3M43S
  duration ms: 223360
  explicit: false
  by artist: Shizuka Kudo
  in album: Mind Universe
    type: MusicAlbum
    date published: 1970-01-01
track: Boya Boya Dekinai
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220933
  explicit: false
  by artist: Shizuka Kudo
  in album: Mind Universe
    type: MusicAlbum
    date published: 1970-01-01
track: Tsugihagi no Portrait
  type: MusicRecording
  duration: PT4M37S
  duration ms: 277106
  explicit: false
  by artist: Shizuka Kudo
  in album: Mind Universe
    type: MusicAlbum
    date published: 1970-01-01
track: Embrace
  type: MusicRecording
  duration: PT4M31S
  duration ms: 271333
  explicit: false
  by artist: Shizuka Kudo
  in album: Mind Universe
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09101830
track: “Shuuten”
  type: MusicRecording
  duration: PT5M5S
  duration ms: 305306
  explicit: false
  by artist: Shizuka Kudo
  in album: Mind Universe
    type: MusicAlbum
    date published: 1970-01-01

Intimate
type: MusicAlbum
date published: 1970-01-01
track: Daremo Shiranai Blue Angel
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238693
  explicit: false
  by artist: Shizuka Kudo
  in album: Intimate
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09125288
track: Metamorphose
  type: MusicRecording
  duration: PT4M15S
  duration ms: 255000
  explicit: false
  by artist: Shizuka Kudo
  in album: Intimate
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09101710
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T10:59:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc1758d1df47f6b6440150c26ccc60a6a36266fcd8efaf119905af3fdde982566
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6QGgVK3pGcmWJKY6ItBl1U.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6QGgVK3pGcmWJKY6ItBl1U
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xc1758d1df47f6b6440150c26ccc60a6a36266fcd8efaf119905af3fdde982566. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6QGgVK3pGcmWJKY6ItBl1U.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6QGgVK3pGcmWJKY6ItBl1U.
    date published: 2026-07-02T03:30:09Z
track: Please
  type: MusicRecording
  duration: PT4M17S
  duration ms: 257306
  explicit: false
  by artist: Shizuka Kudo
  in album: Intimate
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09101680
track: Boya Boya Dekinai
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220826
  explicit: false
  by artist: Shizuka Kudo
  in album: Intimate
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09000830
track: Watashi ni Tsuite
  type: MusicRecording
  duration: PT4M7S
  duration ms: 247240
  explicit: false
  by artist: Shizuka Kudo
  in album: Intimate
    type: MusicAlbum
    date published: 1970-01-01
track: Senryu no Sizuku
  type: MusicRecording
  duration: PT4M42S
  duration ms: 282693
  explicit: false
  by artist: Shizuka Kudo
  in album: Intimate
    type: MusicAlbum
    date published: 1970-01-01
track: Kuchibiru Kara Biyaku
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236640
  explicit: false
  by artist: Shizuka Kudo
  in album: Intimate
    type: MusicAlbum
    date published: 1970-01-01
track: Kousa ni Fukarete
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229866
  explicit: false
  by artist: Shizuka Kudo
  in album: Intimate
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900650
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T21:13:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957120
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2aIrAMXUknhJcLkfNT0AOU.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2aIrAMXUknhJcLkfNT0AOU
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690","isrc":"JPPC08900650","name":"Kousa ni Fukarete","registered_at":"2026-06-09T21:13:24Z","spotify_id":"2aIrAMXUknhJcLkfNT0AOU","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2aIrAMXUknhJcLkfNT0AOU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2aIrAMXUknhJcLkfNT0AOU.
    date published: 2026-07-08T03:22:41Z
    text: {"copyright_id":"0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690","isrc":"JPPC08900650","name":"Kousa ni Fukarete","registered_at":"2026-06-09T21:13:24Z","spotify_id":"2aIrAMXUknhJcLkfNT0AOU","type":"track"}
track: Arashi no Sugao
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211733
  explicit: false
  by artist: Shizuka Kudo
  in album: Intimate
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900620
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T23:23:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbf6ffe719c6148def0ef925e573247979f4b2982d5396537a51e5647b905fd2c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2En27uIbInFVj46vHbY8gJ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2En27uIbInFVj46vHbY8gJ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xbf6ffe719c6148def0ef925e573247979f4b2982d5396537a51e5647b905fd2c","isrc":"JPPC08900620","name":"Arashi no Sugao","registered_at":"2026-06-08T23:23:49Z","spotify_id":"2En27uIbInFVj46vHbY8gJ","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xbf6ffe719c6148def0ef925e573247979f4b2982d5396537a51e5647b905fd2c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2En27uIbInFVj46vHbY8gJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2En27uIbInFVj46vHbY8gJ.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xbf6ffe719c6148def0ef925e573247979f4b2982d5396537a51e5647b905fd2c","isrc":"JPPC08900620","name":"Arashi no Sugao","registered_at":"2026-06-08T23:23:49Z","spotify_id":"2En27uIbInFVj46vHbY8gJ","type":"track"}
track: Koihitoyo
track: Rashikunai

Koihitoyo
type: MusicRecording
duration: PT4M31S
duration ms: 271960
explicit: false
by artist: Shizuka Kudo
in album: Intimate
  type: MusicAlbum
  date published: 1970-01-01

Rashikunai
type: MusicRecording
duration: PT4M20S
duration ms: 260279
explicit: false
by artist: Shizuka Kudo
in album: Intimate
  type: MusicAlbum
  date published: 1970-01-01

Unlimited
type: MusicAlbum
date published: 1970-01-01
track: Kindan no Telepathy - Vocal New Version
  type: MusicRecording
  duration: PT3M55S
  duration ms: 235493
  explicit: false
  by artist: Shizuka Kudo
  in album: Unlimited
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09021131
track: Again - Vocal New Version
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254533
  explicit: false
  by artist: Shizuka Kudo
  in album: Unlimited
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09021132
track: Daite Kuretara Iinoni - Vocal New Version
  type: MusicRecording
  duration: PT5M15S
  duration ms: 315840
  explicit: false
  by artist: Shizuka Kudo
  in album: Unlimited
    type: MusicAlbum
    date published: 1970-01-01
track: Fu-Ji-Tsu - Vocal New Version
  type: MusicRecording
  duration: PT4M2S
  duration ms: 242760
  explicit: false
  by artist: Shizuka Kudo
  in album: Unlimited
    type: MusicAlbum
    date published: 1970-01-01
track: Mugo N...Iroppoi - Vocal New Version
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234906
  explicit: false
  by artist: Shizuka Kudo
  in album: Unlimited
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09021135
track: Koi Hitoyo
  type: MusicRecording
  duration: PT4M31S
  duration ms: 271626
  explicit: false
  by artist: Shizuka Kudo
  in album: Unlimited
    type: MusicAlbum
    date published: 1970-01-01
track: Arashi no Sugao
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211306
  explicit: false
  by artist: Shizuka Kudo
  in album: Unlimited
    type: MusicAlbum
    date published: 1970-01-01
track: Kousa ni Fukarete
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229533
  explicit: false
  by artist: Shizuka Kudo
  in album: Unlimited
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900650
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T21:13:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957124
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4GNuDddXgzLgnxdmTCTIn5.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4GNuDddXgzLgnxdmTCTIn5
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690","isrc":"JPPC08900650","name":"Kousa ni Fukarete","registered_at":"2026-06-09T21:13:24Z","spotify_id":"4GNuDddXgzLgnxdmTCTIn5","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4GNuDddXgzLgnxdmTCTIn5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4GNuDddXgzLgnxdmTCTIn5.
    date published: 2026-07-08T03:53:27Z
    text: {"copyright_id":"0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690","isrc":"JPPC08900650","name":"Kousa ni Fukarete","registered_at":"2026-06-09T21:13:24Z","spotify_id":"4GNuDddXgzLgnxdmTCTIn5","type":"track"}
track: Kuchibiru Kara Biyaku
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236293
  explicit: false
  by artist: Shizuka Kudo
  in album: Unlimited
    type: MusicAlbum
    date published: 1970-01-01
track: Senryu no Shizuku
  type: MusicRecording
  duration: PT4M42S
  duration ms: 282373
  explicit: false
  by artist: Shizuka Kudo
  in album: Unlimited
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09000770
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T19:48:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x336ece748991a24ab3a1eabdbaddfee7fa0ae69c3db4cfbe9320454dafa9747e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956349
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956349
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3OOkGpFUK7oc9trEgvu3Zl.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3OOkGpFUK7oc9trEgvu3Zl
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:34:59Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x336ece748991a24ab3a1eabdbaddfee7fa0ae69c3db4cfbe9320454dafa9747e","isrc":"JPPC09000770","name":"Senryu no Shizuku","registered_at":"2026-06-27T19:48:15Z","spotify_id":"3OOkGpFUK7oc9trEgvu3Zl","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x336ece748991a24ab3a1eabdbaddfee7fa0ae69c3db4cfbe9320454dafa9747e. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3OOkGpFUK7oc9trEgvu3Zl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3OOkGpFUK7oc9trEgvu3Zl.
    date published: 2026-07-02T11:34:59Z
    text: {"copyright_id":"0x336ece748991a24ab3a1eabdbaddfee7fa0ae69c3db4cfbe9320454dafa9747e","isrc":"JPPC09000770","name":"Senryu no Shizuku","registered_at":"2026-06-27T19:48:15Z","spotify_id":"3OOkGpFUK7oc9trEgvu3Zl","type":"track"}
track: Watashi ni Tsuite
  type: MusicRecording
  duration: PT4M7S
  duration ms: 247133
  explicit: false
  by artist: Shizuka Kudo
  in album: Unlimited
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09000800
track: Koi Moyou
  type: MusicRecording
  duration: PT4M45S
  duration ms: 285200
  explicit: false
  by artist: Shizuka Kudo
  in album: Unlimited
    type: MusicAlbum
    date published: 1970-01-01

Rosette
type: MusicAlbum
date published: 1970-01-01
track: Dangai
  type: MusicRecording
  duration: PT4M42S
  duration ms: 282800
  explicit: false
  by artist: Shizuka Kudo
  in album: Rosette
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09000860
track: Mirage no Toriko
  type: MusicRecording
  duration: PT3M57S
  duration ms: 237106
  explicit: false
  by artist: Shizuka Kudo
  in album: Rosette
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09000870
track: Unbeliever
  type: MusicRecording
  duration: PT4M48S
  duration ms: 288133
  explicit: false
  by artist: Shizuka Kudo
  in album: Rosette
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09000880
track: Shunkan no Umi
  type: MusicRecording
  duration: PT4M11S
  duration ms: 251093
  explicit: false
  by artist: Shizuka Kudo
  in album: Rosette
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09000890
track: Getsuyoubi no Shissou
  type: MusicRecording
  duration: PT4M44S
  duration ms: 284640
  explicit: false
  by artist: Shizuka Kudo
  in album: Rosette
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09000900
track: Kuchibiru Kara Biyaku
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236400
  explicit: false
  by artist: Shizuka Kudo
  in album: Rosette
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900680
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T18:55:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc5d4a84c00d9e58d913939bce2166258c93c5615636c2145c7881a4e1c2bb713
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6wmLfPw3CH9Cde3LqquJ0b.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6wmLfPw3CH9Cde3LqquJ0b
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xc5d4a84c00d9e58d913939bce2166258c93c5615636c2145c7881a4e1c2bb713","isrc":"JPPC08900680","name":"Kuchibiru Kara Biyaku","registered_at":"2026-06-11T18:55:02Z","spotify_id":"6wmLfPw3CH9Cde3LqquJ0b","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xc5d4a84c00d9e58d913939bce2166258c93c5615636c2145c7881a4e1c2bb713. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6wmLfPw3CH9Cde3LqquJ0b.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6wmLfPw3CH9Cde3LqquJ0b.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xc5d4a84c00d9e58d913939bce2166258c93c5615636c2145c7881a4e1c2bb713","isrc":"JPPC08900680","name":"Kuchibiru Kara Biyaku","registered_at":"2026-06-11T18:55:02Z","spotify_id":"6wmLfPw3CH9Cde3LqquJ0b","type":"track"}
track: Ai no Hyouryuusha
  type: MusicRecording
  duration: PT5M43S
  duration ms: 343826
  explicit: false
  by artist: Shizuka Kudo
  in album: Rosette
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09000910
track: Sunaoni Itte
  type: MusicRecording
  duration: PT6M45S
  duration ms: 405146
  explicit: false
  by artist: Shizuka Kudo
  in album: Rosette
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC09000920

Karelia
type: MusicAlbum
date published: 1970-01-01
track: Oka no Ue no Chiisana Taiyou
  type: MusicRecording
  duration: PT7M57S
  duration ms: 477173
  explicit: false
  by artist: Shizuka Kudo
  in album: Karelia
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900800
track: Mizuumi
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254826
  explicit: false
  by artist: Shizuka Kudo
  in album: Karelia
    type: MusicAlbum
    date published: 1970-01-01
track: Bishou no Mori
  type: MusicRecording
  duration: PT5M0S
  duration ms: 300000
  explicit: false
  by artist: Shizuka Kudo
  in album: Karelia
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900820
track: Karelia
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276173
  explicit: false
  by artist: Shizuka Kudo
  in album: Karelia
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900830
track: La Se N
  type: MusicRecording
  duration: PT7M14S
  duration ms: 434333
  explicit: false
  by artist: Shizuka Kudo
  in album: Karelia
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900840
track: Mahiru no Yume - Instrumental
  type: MusicRecording
  duration: PT2M4S
  duration ms: 124266
  explicit: false
  by artist: Shizuka Kudo
  in album: Karelia
    type: MusicAlbum
    date published: 1970-01-01

Joy
type: MusicAlbum
date published: 1970-01-01
track: Tenshi Mitaini Odorasete
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265800
  explicit: false
  by artist: Shizuka Kudo
  in album: Joy
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900710
track: Totemo Chiisana Shoushin
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179560
  explicit: false
  by artist: Shizuka Kudo
  in album: Joy
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900720
track: Kiseki no Shouzou
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210866
  explicit: false
  by artist: Shizuka Kudo
  in album: Joy
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900730
track: Sora no Shoumen
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219333
  explicit: false
  by artist: Shizuka Kudo
  in album: Joy
    type: MusicAlbum
    date published: 1970-01-01
track: Sabishii Yoru niha Watashi wo Yonde
  type: MusicRecording
  duration: PT4M7S
  duration ms: 247173
  explicit: false
  by artist: Shizuka Kudo
  in album: Joy
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900750
track: No No No No - Kohaku no Cocktail -
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181666
  explicit: false
  by artist: Shizuka Kudo
  in album: Joy
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900760
track: Yume Utsutsu Jealousy
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254426
  explicit: false
  by artist: Shizuka Kudo
  in album: Joy
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900770
track: Glass no Sanctuary
  type: MusicRecording
  duration: PT3M52S
  duration ms: 232093
  explicit: false
  by artist: Shizuka Kudo
  in album: Joy
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900780
track: Mayonaka no Collect Call
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210440
  explicit: false
  by artist: Shizuka Kudo
  in album: Joy
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900790
track: Koihitoyo
  type: MusicRecording
  duration: PT4M31S
  duration ms: 271480
  explicit: false
  by artist: Shizuka Kudo
  in album: Joy
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08800560
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T06:26:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd2e798e4ccea35c5e3a317e9199991344ffe4443f12d71760d4712b15074d9a1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3iq4tKdHzghtrNCypJjd46.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3iq4tKdHzghtrNCypJjd46
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd2e798e4ccea35c5e3a317e9199991344ffe4443f12d71760d4712b15074d9a1. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3iq4tKdHzghtrNCypJjd46.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3iq4tKdHzghtrNCypJjd46.
    date published: 2026-07-02T03:30:09Z

Harvest
type: MusicAlbum
date published: 1970-01-01
track: Kousa ni Fukarete
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229506
  explicit: false
  by artist: Shizuka Kudo
  in album: Harvest
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900650
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T21:13:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7dkWkrsHzKt1Jr4TrCfJZS.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7dkWkrsHzKt1Jr4TrCfJZS
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690","isrc":"JPPC08900650","name":"Kousa ni Fukarete","registered_at":"2026-06-09T21:13:24Z","spotify_id":"7dkWkrsHzKt1Jr4TrCfJZS","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7dkWkrsHzKt1Jr4TrCfJZS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7dkWkrsHzKt1Jr4TrCfJZS.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x3fe649002f229ca51324ad0d624979c511ac6258c8326b79719b8bc57da67690","isrc":"JPPC08900650","name":"Kousa ni Fukarete","registered_at":"2026-06-09T21:13:24Z","spotify_id":"7dkWkrsHzKt1Jr4TrCfJZS","type":"track"}
track: Akiko
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236053
  explicit: false
  by artist: Shizuka Kudo
  in album: Harvest
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900660
track: Arashi no Sugao
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210180
  explicit: false
  by artist: Shizuka Kudo
  in album: Harvest
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900620
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T23:23:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbf6ffe719c6148def0ef925e573247979f4b2982d5396537a51e5647b905fd2c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4ZZcIXWYhiUsWCVR2aznLx.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4ZZcIXWYhiUsWCVR2aznLx
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xbf6ffe719c6148def0ef925e573247979f4b2982d5396537a51e5647b905fd2c","isrc":"JPPC08900620","name":"Arashi no Sugao","registered_at":"2026-06-08T23:23:49Z","spotify_id":"4ZZcIXWYhiUsWCVR2aznLx","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xbf6ffe719c6148def0ef925e573247979f4b2982d5396537a51e5647b905fd2c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4ZZcIXWYhiUsWCVR2aznLx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4ZZcIXWYhiUsWCVR2aznLx.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0xbf6ffe719c6148def0ef925e573247979f4b2982d5396537a51e5647b905fd2c","isrc":"JPPC08900620","name":"Arashi no Sugao","registered_at":"2026-06-08T23:23:49Z","spotify_id":"4ZZcIXWYhiUsWCVR2aznLx","type":"track"}
track: Eien no Bouhatei
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267880
  explicit: false
  by artist: Shizuka Kudo
  in album: Harvest
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08900630
track: Koi Hitoyo
  type: MusicRecording
  duration: PT4M31S
  duration ms: 271626
  explicit: false
  by artist: Shizuka Kudo
  in album: Harvest
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08800560
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T06:26:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd2e798e4ccea35c5e3a317e9199991344ffe4443f12d71760d4712b15074d9a1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957120
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6NKbpEQKt5w4uaV7veicdc.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6NKbpEQKt5w4uaV7veicdc
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd2e798e4ccea35c5e3a317e9199991344ffe4443f12d71760d4712b15074d9a1","isrc":"JPPC08800560","name":"Koi Hitoyo","registered_at":"2026-06-18T06:26:56Z","spotify_id":"6NKbpEQKt5w4uaV7veicdc","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd2e798e4ccea35c5e3a317e9199991344ffe4443f12d71760d4712b15074d9a1. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6NKbpEQKt5w4uaV7veicdc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6NKbpEQKt5w4uaV7veicdc.
    date published: 2026-07-08T03:22:41Z
    text: {"copyright_id":"0xd2e798e4ccea35c5e3a317e9199991344ffe4443f12d71760d4712b15074d9a1","isrc":"JPPC08800560","name":"Koi Hitoyo","registered_at":"2026-06-18T06:26:56Z","spotify_id":"6NKbpEQKt5w4uaV7veicdc","type":"track"}
track: Non-Stop
  type: MusicRecording
  duration: PT3M52S
  duration ms: 232693
  explicit: false
  by artist: Shizuka Kudo
  in album: Harvest
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08800570
track: Mysterious
  type: MusicRecording
  duration: PT4M56S
  duration ms: 296906
  explicit: false
  by artist: Shizuka Kudo
  in album: Harvest
    type: MusicAlbum
    date published: 1970-01-01
track: Passage
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256493
  explicit: false
  by artist: Shizuka Kudo
  in album: Harvest
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08700340
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T09:43:33+00:00
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Shouko wo Misete
track: Kiseki no Shouzou
track: Itsumademo Futari de…

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x61df265fe8321d29b167cdf7642800fdfe5c525ff54cfb0a7d4896d43cba8886

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957145

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

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/7EVBNbrZ5LsGmJQKV54LFM.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7EVBNbrZ5LsGmJQKV54LFM

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

OTSCanonicalRecord
type: PropertyValue

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61df265fe8321d29b167cdf7642800fdfe5c525ff54cfb0a7d4896d43cba8886. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7EVBNbrZ5LsGmJQKV54LFM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7EVBNbrZ5LsGmJQKV54LFM.
date published: 2026-07-08T08:56:20Z

Shouko wo Misete
type: MusicRecording
duration: PT4M35S
duration ms: 275080
explicit: false
by artist: Shizuka Kudo
in album: Harvest
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC08800590

Kiseki no Shouzou
type: MusicRecording
duration: PT3M30S
duration ms: 210226
explicit: false
by artist: Shizuka Kudo
in album: Harvest
  type: MusicAlbum
  date published: 1970-01-01

Itsumademo Futari de…
type: MusicRecording
duration: PT4M21S
duration ms: 261333
explicit: false
by artist: Shizuka Kudo
in album: Harvest
  type: MusicAlbum
  date published: 1970-01-01

Gradation
type: MusicAlbum
date published: 1970-01-01
track: Mugo N…Iroppoi
  type: MusicRecording
  duration: PT3M55S
  duration ms: 235133
  explicit: false
  by artist: Shizuka Kudo
  in album: Gradation
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08800530
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T09:38:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdcd810fdcb3a2d4f2ab65c1e12e23b245f14b684614c931e3742e0e0be2ca975
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5glngcx2zSAHgBrgJ6uSkO.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5glngcx2zSAHgBrgJ6uSkO
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xdcd810fdcb3a2d4f2ab65c1e12e23b245f14b684614c931e3742e0e0be2ca975","isrc":"JPPC08800530","name":"Mugo N…Iroppoi","registered_at":"2026-06-07T09:38:16Z","spotify_id":"5glngcx2zSAHgBrgJ6uSkO","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xdcd810fdcb3a2d4f2ab65c1e12e23b245f14b684614c931e3742e0e0be2ca975. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5glngcx2zSAHgBrgJ6uSkO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5glngcx2zSAHgBrgJ6uSkO.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xdcd810fdcb3a2d4f2ab65c1e12e23b245f14b684614c931e3742e0e0be2ca975","isrc":"JPPC08800530","name":"Mugo N…Iroppoi","registered_at":"2026-06-07T09:38:16Z","spotify_id":"5glngcx2zSAHgBrgJ6uSkO","type":"track"}
track: Gunshuu
  type: MusicRecording
  duration: PT4M30S
  duration ms: 270373
  explicit: false
  by artist: Shizuka Kudo
  in album: Gradation
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08800540
track: Fu - Ji - Tsu
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228626
  explicit: false
  by artist: Shizuka Kudo
  in album: Gradation
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08800500
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T18:02:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xde06789634e08554df61b4e23311f654dd9be10a663c33bfaabd9d8899755e71
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/00XIHYPQVEAuN8bEHUQqZs.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/00XIHYPQVEAuN8bEHUQqZs
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xde06789634e08554df61b4e23311f654dd9be10a663c33bfaabd9d8899755e71","isrc":"JPPC08800500","name":"Fu - Ji - Tsu","registered_at":"2026-06-19T18:02:46Z","spotify_id":"00XIHYPQVEAuN8bEHUQqZs","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xde06789634e08554df61b4e23311f654dd9be10a663c33bfaabd9d8899755e71. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/00XIHYPQVEAuN8bEHUQqZs.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/00XIHYPQVEAuN8bEHUQqZs.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xde06789634e08554df61b4e23311f654dd9be10a663c33bfaabd9d8899755e71","isrc":"JPPC08800500","name":"Fu - Ji - Tsu","registered_at":"2026-06-19T18:02:46Z","spotify_id":"00XIHYPQVEAuN8bEHUQqZs","type":"track"}
track: Natsu ga Kureta Miracle
  type: MusicRecording
  duration: PT3M57S
  duration ms: 237866
  explicit: false
  by artist: Shizuka Kudo
  in album: Gradation
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08800510
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T07:55:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd24bff30f9cea9e693f687b7980de12eaa1c69e384f29d3b724c94a09f98642f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6JCjdpAKHCLjvc98YkeEjS.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6JCjdpAKHCLjvc98YkeEjS
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd24bff30f9cea9e693f687b7980de12eaa1c69e384f29d3b724c94a09f98642f","isrc":"JPPC08800510","name":"Natsu ga Kureta Miracle","registered_at":"2026-06-10T07:55:25Z","spotify_id":"6JCjdpAKHCLjvc98YkeEjS","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd24bff30f9cea9e693f687b7980de12eaa1c69e384f29d3b724c94a09f98642f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6JCjdpAKHCLjvc98YkeEjS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6JCjdpAKHCLjvc98YkeEjS.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0xd24bff30f9cea9e693f687b7980de12eaa1c69e384f29d3b724c94a09f98642f","isrc":"JPPC08800510","name":"Natsu ga Kureta Miracle","registered_at":"2026-06-10T07:55:25Z","spotify_id":"6JCjdpAKHCLjvc98YkeEjS","type":"track"}
track: Daite Kuretara Iinoni
  type: MusicRecording
  duration: PT5M7S
  duration ms: 307733
  explicit: false
  by artist: Shizuka Kudo
  in album: Gradation
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: JPPC08800470
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T09:42:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7d991c6a28ec94e96e29cdbaeca42f3cc6a40ba4082b2a61b7c2761e71f81ce8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0FTQ3eBr1ZCsGUeSqTOF18.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0FTQ3eBr1ZCsGUeSqTOF18
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x7d991c6a28ec94e96e29cdbaeca42f3cc6a40ba4082b2a61b7c2761e71f81ce8","isrc":"JPPC08800470","name":"Daite Kuretara Iinoni","registered_at":"2026-06-22T09:42:06Z","spotify_id":"0FTQ3eBr1ZCsGUeSqTOF18","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x7d991c6a28ec94e96e29cdbaeca42f3cc6a40ba4082b2a61b7c2761e71f81ce8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0FTQ3eBr1ZCsGUeSqTOF18.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0FTQ3eBr1ZCsGUeSqTOF18.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x7d991c6a28ec94e96e29cdbaeca42f3cc6a40ba4082b2a61b7c2761e71f81ce8","isrc":"JPPC08800470","name":"Daite Kuretara Iinoni","registered_at":"2026-06-22T09:42:06Z","spotify_id":"0FTQ3eBr1ZCsGUeSqTOF18","type":"track"}
track: Yoake ni Miokurarete
track: Again
track: If
track: Kindan no Telepathy
track: Ai ga Itai Yoru
track: Christmas ga Ippai

Yoake ni Miokurarete
type: MusicRecording
duration: PT4M32S
duration ms: 272373
explicit: false
by artist: Shizuka Kudo
in album: Gradation
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC08800480

Again
type: MusicRecording
duration: PT4M16S
duration ms: 256133
explicit: false
by artist: Shizuka Kudo
in album: Gradation
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC08700280
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T17:07:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x953fe230e62f7ff5f6a17e1eb064fdb07124f1d56c662407301e1969a95da997
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1P7LpnQUgolT66jtuzph8S.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1P7LpnQUgolT66jtuzph8S
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x953fe230e62f7ff5f6a17e1eb064fdb07124f1d56c662407301e1969a95da997. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1P7LpnQUgolT66jtuzph8S.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1P7LpnQUgolT66jtuzph8S.
  date published: 2026-07-02T05:09:12Z

If
type: MusicRecording
duration: PT3M47S
duration ms: 227920
explicit: false
by artist: Shizuka Kudo
in album: Gradation
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC08700290

Kindan no Telepathy
type: MusicRecording
duration: PT3M47S
duration ms: 227813
explicit: false
by artist: Shizuka Kudo
in album: Gradation
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC08710145

Ai ga Itai Yoru
type: MusicRecording
duration: PT4M6S
duration ms: 246533
explicit: false
by artist: Shizuka Kudo
in album: Gradation
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC08700260

Christmas ga Ippai
type: MusicRecording
duration: PT4M46S
duration ms: 286386
explicit: false
by artist: Shizuka Kudo
in album: Gradation
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC08807213

Mizore
type: MusicAlbum
date published: 2024-06-21
track: Mizore
  type: MusicRecording
  duration: PT5M15S
  duration ms: 315533
  explicit: false
  by artist: Shizuka Kudo
  in album: Mizore
    type: MusicAlbum
    date published: 2024-06-21

Circle
type: MusicAlbum
date published: 2024-04-02
track: Circle
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229880
  explicit: false
  by artist: Shizuka Kudo
  in album: Circle
    type: MusicAlbum
    date published: 2024-04-02

Kosetsuran Suki Yori Aishiteru
type: MusicAlbum
date published: 2023-10-27
track: Kosetsuran Suki Yori Aishiteru
  type: MusicRecording
  duration: PT6M2S
  duration ms: 362920
  explicit: false
  by artist: Shizuka Kudo
  in album: Kosetsuran Suki Yori Aishiteru
    type: MusicAlbum
    date published: 2023-10-27
  isrc code: JPPC02312053

Yusha no Hata
type: MusicAlbum
date published: 2023-08-02
track: Yusha no Hata
  type: MusicRecording
  duration: PT4M54S
  duration ms: 294640
  explicit: false
  by artist: Shizuka Kudo
  in album: Yusha no Hata
    type: MusicAlbum
    date published: 2023-08-02
track: Kodoku na Rhapsody
  type: MusicRecording
  duration: PT5M13S
  duration ms: 313853
  explicit: false
  by artist: Shizuka Kudo
  in album: Yusha no Hata
    type: MusicAlbum
    date published: 2023-08-02
track: Yusha no Hata - Instrumental
  type: MusicRecording
  duration: PT4M54S
  duration ms: 294640
  explicit: false
  by artist: Shizuka Kudo
  in album: Yusha no Hata
    type: MusicAlbum
    date published: 2023-08-02
track: Kodoku na Rhapsody - Instrumental
  type: MusicRecording
  duration: PT5M13S
  duration ms: 313880
  explicit: false
  by artist: Shizuka Kudo
  in album: Yusha no Hata
    type: MusicAlbum
    date published: 2023-08-02

Blue Velvet
type: MusicAlbum
date published: 2022-07-08
track: Blue Velvet
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246093
  explicit: false
  by artist: Shizuka Kudo
  in album: Blue Velvet
    type: MusicAlbum
    date published: 2022-07-08
  isrc code: JPPC02211046

Dokoku
type: MusicAlbum
date published: 2022-06-22
track: Dokoku
  type: MusicRecording
  duration: PT5M12S
  duration ms: 312893
  explicit: false
  by artist: Shizuka Kudo
  in album: Dokoku
    type: MusicAlbum
    date published: 2022-06-22

Shimayori
type: MusicAlbum
date published: 2021-12-02
track: Shimayori
  type: MusicRecording
  duration: PT4M24S
  duration ms: 264053
  explicit: false
  by artist: Shizuka Kudo
  in album: Shimayori
    type: MusicAlbum
    date published: 2021-12-02
  isrc code: JPPC02111251

Shizuka Kudo - Night Tempo Presents The Showa Groove
type: MusicAlbum
date published: 2020-08-21
track: Arashi no Sugao - Night Tempo Showa Groove Mix
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228853
  explicit: false
  by artist: Night Tempo
  by artist: Shizuka Kudo
  in album: Shizuka Kudo - Night Tempo Presents The Showa Groove
    type: MusicAlbum
    date published: 2020-08-21
  isrc code: JPPC02001013
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T22:08:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2d6c624e0ffa3502803346ad8c1f3e507060c4afd6f89f839b424bda2ba22526
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1JzP7w3mOjuGmLtF46tPg4.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1JzP7w3mOjuGmLtF46tPg4
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2d6c624e0ffa3502803346ad8c1f3e507060c4afd6f89f839b424bda2ba22526","isrc":"JPPC02001013","name":"Arashi no Sugao - Night Tempo Showa Groove Mix","registered_at":"2026-06-21T22:08:37Z","spotify_id":"1JzP7w3mOjuGmLtF46tPg4","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x2d6c624e0ffa3502803346ad8c1f3e507060c4afd6f89f839b424bda2ba22526. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1JzP7w3mOjuGmLtF46tPg4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1JzP7w3mOjuGmLtF46tPg4.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x2d6c624e0ffa3502803346ad8c1f3e507060c4afd6f89f839b424bda2ba22526","isrc":"JPPC02001013","name":"Arashi no Sugao - Night Tempo Showa Groove Mix","registered_at":"2026-06-21T22:08:37Z","spotify_id":"1JzP7w3mOjuGmLtF46tPg4","type":"track"}
track: Wine Hitokuchi no Uso - Night Tempo Showa Groove Mix
  type: MusicRecording
  duration: PT4M7S
  duration ms: 247493
  explicit: false
  by artist: Night Tempo
  by artist: Shizuka Kudo
  in album: Shizuka Kudo - Night Tempo Presents The Showa Groove
    type: MusicAlbum
    date published: 2020-08-21
  isrc code: JPPC02001014
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T02:03:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe67940387a9abaaa14b430562ffdb413d670071ab25eb65264a49094a4cd2a08
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/01k1w4GbxAVEcgry1mnUF3.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/01k1w4GbxAVEcgry1mnUF3
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe67940387a9abaaa14b430562ffdb413d670071ab25eb65264a49094a4cd2a08","isrc":"JPPC02001014","name":"Wine Hitokuchi no Uso - Night Tempo Showa Groove Mix","registered_at":"2026-06-23T02:03:47Z","spotify_id":"01k1w4GbxAVEcgry1mnUF3","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe67940387a9abaaa14b430562ffdb413d670071ab25eb65264a49094a4cd2a08. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/01k1w4GbxAVEcgry1mnUF3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/01k1w4GbxAVEcgry1mnUF3.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xe67940387a9abaaa14b430562ffdb413d670071ab25eb65264a49094a4cd2a08","isrc":"JPPC02001014","name":"Wine Hitokuchi no Uso - Night Tempo Showa Groove Mix","registered_at":"2026-06-23T02:03:47Z","spotify_id":"01k1w4GbxAVEcgry1mnUF3","type":"track"}

Night Wing / Yukigasa
type: MusicAlbum
date published: 2017-11-01
track: Night Wing
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275333
  explicit: false
  by artist: Shizuka Kudo
  in album: Night Wing / Yukigasa
    type: MusicAlbum
    date published: 2017-11-01
track: Yukigasa
  type: MusicRecording
  duration: PT5M33S
  duration ms: 333866
  explicit: false
  by artist: Shizuka Kudo
  in album: Night Wing / Yukigasa
    type: MusicAlbum
    date published: 2017-11-01
track: Night Wing - Less Vocal
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275333
  explicit: false
  by artist: Shizuka Kudo
  in album: Night Wing / Yukigasa
    type: MusicAlbum
    date published: 2017-11-01
track: Yukigasa - Less Vocal
  type: MusicRecording
  duration: PT5M32S
  duration ms: 332386
  explicit: false
  by artist: Shizuka Kudo
  in album: Night Wing / Yukigasa
    type: MusicAlbum
    date published: 2017-11-01

Kindan no Telepathy
type: MusicRecording
duration: PT3M47S
duration ms: 227160
explicit: false
by artist: Shizuka Kudo
in album: Mysterious
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC08700250
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T12:15:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/559Z3sS99djTsKWrlcnZSJ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/559Z3sS99djTsKWrlcnZSJ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116","isrc":"JPPC08700250","name":"Kindan no Telepathy","registered_at":"2026-06-04T12:15:31Z","spotify_id":"559Z3sS99djTsKWrlcnZSJ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/559Z3sS99djTsKWrlcnZSJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/559Z3sS99djTsKWrlcnZSJ.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x6722ec7ea33c0d16cd11e3dfc7bc4a3306f1a0e4136973f1bc285b668c184116","isrc":"JPPC08700250","name":"Kindan no Telepathy","registered_at":"2026-06-04T12:15:31Z","spotify_id":"559Z3sS99djTsKWrlcnZSJ","type":"track"}

Watashi wa Knife
type: MusicRecording
duration: PT4M27S
duration ms: 267253
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC09309370

Metamorphose
type: MusicRecording
duration: PT4M15S
duration ms: 255613
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01

Kuchibiru Kara Biyaku
type: MusicRecording
duration: PT3M57S
duration ms: 237000
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01

Boya Boya Dekinai
type: MusicRecording
duration: PT3M41S
duration ms: 221680
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01

Yuragi no Tsuki
type: MusicRecording
duration: PT4M46S
duration ms: 286133
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01

Daite Kuretara Iinoni
type: MusicRecording
duration: PT5M6S
duration ms: 306133
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01

Koi Hitoyo
type: MusicRecording
duration: PT4M31S
duration ms: 271573
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01

Chottoshita Guilty
type: MusicRecording
duration: PT5M15S
duration ms: 315013
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01

Kimi ga Tsubasa wo Hirogeru Toki
type: MusicRecording
duration: PT5M56S
duration ms: 356880
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01

Anata Shika Inai Desho
type: MusicRecording
duration: PT6M25S
duration ms: 385866
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01

Shinkaigyo
type: MusicRecording
duration: PT4M3S
duration ms: 243253
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01

Without Your Love
type: MusicRecording
duration: PT5M45S
duration ms: 345506
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01

Tenshi Mitai ni Odorasete
type: MusicRecording
duration: PT4M27S
duration ms: 267093
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01

Mirage no Toriko
type: MusicRecording
duration: PT3M58S
duration ms: 238066
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01

Baroque Pearl
type: MusicRecording
duration: PT3M42S
duration ms: 222360
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01

Non-Stop
type: MusicRecording
duration: PT3M52S
duration ms: 232546
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01

Totemo Chiisana Shoushin
type: MusicRecording
duration: PT2M59S
duration ms: 179960
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01

Urahara
type: MusicRecording
duration: PT4M54S
duration ms: 294013
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01
isrc code: JPPC09210840

Sayonara Lonely Korekkiri Lonely
type: MusicRecording
duration: PT5M13S
duration ms: 313666
explicit: false
by artist: Shizuka Kudo
in album: My Heartful Best - Goro Matasui Collection -
  type: MusicAlbum
  date published: 1970-01-01