yanaginagi
type: MusicGroup
genre: anime
genre: j-pop
genre: j-rock
popularity: 50
followers: 164417
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3d91ab6c1989b43d1b334fbdf7c653a9581c3a693c99574797282ee76b0d1e3b
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/ef68ba4a-7aa7-487f-bdea-983a8de50335.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ef68ba4a-7aa7-487f-bdea-983a8de50335.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ef68ba4a-7aa7-487f-bdea-983a8de50335
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T21:20:00Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d91ab6c1989b43d1b334fbdf7c653a9581c3a693c99574797282ee76b0d1e3b. 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/ef68ba4a-7aa7-487f-bdea-983a8de50335.json and https://artists.proofprofile.net/proofs/artist/ef68ba4a-7aa7-487f-bdea-983a8de50335.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
  track: Before I Rise
    type: MusicRecording
    duration: PT5M19S
    duration ms: 319326
    explicit: false
    by artist: Jun Maeda
    by artist: yanaginagi
    in album: Love Song from the Water
      type: MusicAlbum
      date published: 2024-07-21
    isrc code: JPE452200002
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-05T04:30:21+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc536ffc94cd71c86815bbe92f8f395473aa6b2cdf9baabdfbb2fd459f9946dd6
    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/0SjWk4Beah9g6cBNTYLyR9.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0SjWk4Beah9g6cBNTYLyR9
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T12:47:07Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0xc536ffc94cd71c86815bbe92f8f395473aa6b2cdf9baabdfbb2fd459f9946dd6","isrc":"JPE452200002","name":"Before I Rise","registered_at":"2026-06-05T04:30:21Z","spotify_id":"0SjWk4Beah9g6cBNTYLyR9","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 0xc536ffc94cd71c86815bbe92f8f395473aa6b2cdf9baabdfbb2fd459f9946dd6. 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/0SjWk4Beah9g6cBNTYLyR9.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/0SjWk4Beah9g6cBNTYLyR9.
      date published: 2026-06-13T12:47:07Z
      text: {"copyright_id":"0xc536ffc94cd71c86815bbe92f8f395473aa6b2cdf9baabdfbb2fd459f9946dd6","isrc":"JPE452200002","name":"Before I Rise","registered_at":"2026-06-05T04:30:21Z","spotify_id":"0SjWk4Beah9g6cBNTYLyR9","type":"track"}
  track: Burn My Universe
    type: MusicRecording
    duration: PT4M58S
    duration ms: 298847
    explicit: false
    by artist: Jun Maeda
    by artist: yanaginagi
    in album: Love Song from the Water
      type: MusicAlbum
      date published: 2024-07-21
    isrc code: JPE452200003
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-06T09:50:54+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x71d013e5bde6b88f73726e064ea6aa0aa61324d863be6ebce74df64acc1ab0c3
    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/2KClbTYYifel9Vwe8zyQ9f.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2KClbTYYifel9Vwe8zyQ9f
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T17:25:41Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x71d013e5bde6b88f73726e064ea6aa0aa61324d863be6ebce74df64acc1ab0c3","isrc":"JPE452200003","name":"Burn My Universe","registered_at":"2026-06-06T09:50:54Z","spotify_id":"2KClbTYYifel9Vwe8zyQ9f","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 0x71d013e5bde6b88f73726e064ea6aa0aa61324d863be6ebce74df64acc1ab0c3. 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/2KClbTYYifel9Vwe8zyQ9f.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/2KClbTYYifel9Vwe8zyQ9f.
      date published: 2026-06-13T17:25:41Z
      text: {"copyright_id":"0x71d013e5bde6b88f73726e064ea6aa0aa61324d863be6ebce74df64acc1ab0c3","isrc":"JPE452200003","name":"Burn My Universe","registered_at":"2026-06-06T09:50:54Z","spotify_id":"2KClbTYYifel9Vwe8zyQ9f","type":"track"}
  track: Everlasting Night
    type: MusicRecording
    duration: PT4M24S
    duration ms: 264165
    explicit: false
    by artist: Jun Maeda
    by artist: yanaginagi
    in album: Love Song from the Water
      type: MusicAlbum
      date published: 2024-07-21
    isrc code: JPE452200007
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-06T23:08:30+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6f26ad107c29a6ebad572019ed3e2a01a1fa7b7d01c9df8c97c9905cd1311a4e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953515
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953515
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/6LDqKWWHhdRXxUrCaEqW6Q.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6LDqKWWHhdRXxUrCaEqW6Q
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T12:53:06Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x6f26ad107c29a6ebad572019ed3e2a01a1fa7b7d01c9df8c97c9905cd1311a4e","isrc":"JPE452200007","name":"Everlasting Night","registered_at":"2026-06-06T23:08:30Z","spotify_id":"6LDqKWWHhdRXxUrCaEqW6Q","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 0x6f26ad107c29a6ebad572019ed3e2a01a1fa7b7d01c9df8c97c9905cd1311a4e. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6LDqKWWHhdRXxUrCaEqW6Q.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/6LDqKWWHhdRXxUrCaEqW6Q.
      date published: 2026-06-13T12:53:06Z
      text: {"copyright_id":"0x6f26ad107c29a6ebad572019ed3e2a01a1fa7b7d01c9df8c97c9905cd1311a4e","isrc":"JPE452200007","name":"Everlasting Night","registered_at":"2026-06-06T23:08:30Z","spotify_id":"6LDqKWWHhdRXxUrCaEqW6Q","type":"track"}
  track: Hoshino Bohyo
    type: MusicRecording
    duration: PT4M23S
    duration ms: 263272
    explicit: false
    by artist: Jun Maeda
    by artist: yanaginagi
    in album: Love Song from the Water
      type: MusicAlbum
      date published: 2024-07-21
    isrc code: JPE452200011
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    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: Indigo in Blue
  track: Sad Creature
  track: Natsu Kikyu
  track: Particle Effect
  track: Ginga Ryodan
  track: Indra
  track: Light Years
  track: Kimino Yokogao
  track: White Spell
album: White Cube
album: Branch
album: yanaginagi 10th Anniversary Selection Album -Roundabout-
album: emeralotype
album: memorandum
album: yanaginagi Best Album (MUSEUM)
album: yanaginagi Best Album (LIBRARY)
album: ナッテ
album: Follow My Tracks
album: ポリオミノ
album: エウアル
album: Love song of the closed planet
album: Everlasting Night (Echoing Remix)
album: Killer Song
album: Yakusoku wa Iranai - From CrosSing
album: Ashita no Hanashi
album: Welcome to the Front Line!
album: Valkyrie no Jojishi
album: Debate Soldier
album: Kuso Atsui Hino Chikai
album: Sailing Ship (Broken Ver.)
album: Bougainvillea
album: homeward journey
album: Inochibi
album: Yukiharuame
album: Shiva
album: Re: searchlight (Magnificence Remix)
album: Shiniyuku Kisetsuno Kimie
album: Genso Toshi
album: Re: searchlight
album: For good
album: Natsu Kikyu
album: more than enough
album: Indra
album: Ginga Ryodan
album: Particle Effect
album: Echo
album: Light Years
album: Hoshi no Bohyo
track: clouds in the water (feat. yanaginagi)
track: Before I Rise
track: Burn My Universe
track: Everlasting Night
track: Hoshino Bohyo
track: Indigo in Blue
track: Sad Creature
track: Natsu Kikyu
track: Particle Effect
track: Ginga Ryodan
track: Indra
track: Light Years
track: Kimino Yokogao
track: White Spell
track: guideroid
track: Irokakusei
track: Yukiharuame
track: Rookie Thief
track: Shirushibi
track: Inochibi

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-07T19:15:59+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x939f53b88380a5d0d4bbb46e95f8d9ec88b4c0bf459dd2d3571f13a92829b51c

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953515

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953515

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/0E6ocAg6Mejq9LO5VLNli5.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0E6ocAg6Mejq9LO5VLNli5

OTSTimestamp
type: PropertyValue
value: 2026-06-13T12:53:06Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x939f53b88380a5d0d4bbb46e95f8d9ec88b4c0bf459dd2d3571f13a92829b51c","isrc":"JPE452200011","name":"Hoshino Bohyo","registered_at":"2026-06-07T19:15:59Z","spotify_id":"0E6ocAg6Mejq9LO5VLNli5","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 0x939f53b88380a5d0d4bbb46e95f8d9ec88b4c0bf459dd2d3571f13a92829b51c. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0E6ocAg6Mejq9LO5VLNli5.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/0E6ocAg6Mejq9LO5VLNli5.
date published: 2026-06-13T12:53:06Z
text: {"copyright_id":"0x939f53b88380a5d0d4bbb46e95f8d9ec88b4c0bf459dd2d3571f13a92829b51c","isrc":"JPE452200011","name":"Hoshino Bohyo","registered_at":"2026-06-07T19:15:59Z","spotify_id":"0E6ocAg6Mejq9LO5VLNli5","type":"track"}

Indigo in Blue
type: MusicRecording
duration: PT4M23S
duration ms: 263188
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:40:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8c2ccd7f401cf1c74f410ade8b741f9d12e1dd8633e23bb3bf781dc7cefea1ec
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/4G8uyY98NQGmAZ1SfwNmhb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4G8uyY98NQGmAZ1SfwNmhb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8c2ccd7f401cf1c74f410ade8b741f9d12e1dd8633e23bb3bf781dc7cefea1ec","isrc":"JPE452200008","name":"Indigo in Blue","registered_at":"2026-06-09T06:40:04Z","spotify_id":"4G8uyY98NQGmAZ1SfwNmhb","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 0x8c2ccd7f401cf1c74f410ade8b741f9d12e1dd8633e23bb3bf781dc7cefea1ec. 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/4G8uyY98NQGmAZ1SfwNmhb.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/4G8uyY98NQGmAZ1SfwNmhb.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x8c2ccd7f401cf1c74f410ade8b741f9d12e1dd8633e23bb3bf781dc7cefea1ec","isrc":"JPE452200008","name":"Indigo in Blue","registered_at":"2026-06-09T06:40:04Z","spotify_id":"4G8uyY98NQGmAZ1SfwNmhb","type":"track"}

Sad Creature
type: MusicRecording
duration: PT4M7S
duration ms: 247711
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T16:16:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x846ad01070672b610d83784d39447505cc9a6b4132c262d2f38455cc6e96cb8b
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/6rAt7UqY31iEcX1HqoiR3t.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6rAt7UqY31iEcX1HqoiR3t
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x846ad01070672b610d83784d39447505cc9a6b4132c262d2f38455cc6e96cb8b","isrc":"JPE452200009","name":"Sad Creature","registered_at":"2026-06-09T16:16:23Z","spotify_id":"6rAt7UqY31iEcX1HqoiR3t","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 0x846ad01070672b610d83784d39447505cc9a6b4132c262d2f38455cc6e96cb8b. 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/6rAt7UqY31iEcX1HqoiR3t.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/6rAt7UqY31iEcX1HqoiR3t.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x846ad01070672b610d83784d39447505cc9a6b4132c262d2f38455cc6e96cb8b","isrc":"JPE452200009","name":"Sad Creature","registered_at":"2026-06-09T16:16:23Z","spotify_id":"6rAt7UqY31iEcX1HqoiR3t","type":"track"}

Natsu Kikyu
type: MusicRecording
duration: PT5M23S
duration ms: 323803
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200058
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T15:59:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x22d271e35d4d031c86a003224ebce421825580023772de416e9a2bf81ae8542b
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/2h12G8mjbTOG8bEQBGKrtn.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2h12G8mjbTOG8bEQBGKrtn
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x22d271e35d4d031c86a003224ebce421825580023772de416e9a2bf81ae8542b","isrc":"JPE452200058","name":"Natsu Kikyu","registered_at":"2026-06-10T15:59:34Z","spotify_id":"2h12G8mjbTOG8bEQBGKrtn","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 0x22d271e35d4d031c86a003224ebce421825580023772de416e9a2bf81ae8542b. 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/2h12G8mjbTOG8bEQBGKrtn.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/2h12G8mjbTOG8bEQBGKrtn.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x22d271e35d4d031c86a003224ebce421825580023772de416e9a2bf81ae8542b","isrc":"JPE452200058","name":"Natsu Kikyu","registered_at":"2026-06-10T15:59:34Z","spotify_id":"2h12G8mjbTOG8bEQBGKrtn","type":"track"}

Particle Effect
type: MusicRecording
duration: PT5M2S
duration ms: 302679
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200023
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T16:12:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb90e738fc0091db265522cf24db87d3c2db54d387815d92ddb31574d40ae706b
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/0ap7w6Bsrw7nBO6wviVPG0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ap7w6Bsrw7nBO6wviVPG0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb90e738fc0091db265522cf24db87d3c2db54d387815d92ddb31574d40ae706b","isrc":"JPE452200023","name":"Particle Effect","registered_at":"2026-06-10T16:12:24Z","spotify_id":"0ap7w6Bsrw7nBO6wviVPG0","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 0xb90e738fc0091db265522cf24db87d3c2db54d387815d92ddb31574d40ae706b. 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/0ap7w6Bsrw7nBO6wviVPG0.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/0ap7w6Bsrw7nBO6wviVPG0.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xb90e738fc0091db265522cf24db87d3c2db54d387815d92ddb31574d40ae706b","isrc":"JPE452200023","name":"Particle Effect","registered_at":"2026-06-10T16:12:24Z","spotify_id":"0ap7w6Bsrw7nBO6wviVPG0","type":"track"}

Ginga Ryodan
type: MusicRecording
duration: PT4M44S
duration ms: 284117
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200024
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T16:11:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x63084f71828e0cc5f12bad7b8d0d1099cf5b296fde3d0344eeab2158a3603c1f
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/7lBYJ09t5aGlHdo7igUMSh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7lBYJ09t5aGlHdo7igUMSh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x63084f71828e0cc5f12bad7b8d0d1099cf5b296fde3d0344eeab2158a3603c1f","isrc":"JPE452200024","name":"Ginga Ryodan","registered_at":"2026-06-10T16:11:37Z","spotify_id":"7lBYJ09t5aGlHdo7igUMSh","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 0x63084f71828e0cc5f12bad7b8d0d1099cf5b296fde3d0344eeab2158a3603c1f. 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/7lBYJ09t5aGlHdo7igUMSh.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/7lBYJ09t5aGlHdo7igUMSh.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x63084f71828e0cc5f12bad7b8d0d1099cf5b296fde3d0344eeab2158a3603c1f","isrc":"JPE452200024","name":"Ginga Ryodan","registered_at":"2026-06-10T16:11:37Z","spotify_id":"7lBYJ09t5aGlHdo7igUMSh","type":"track"}

Indra
type: MusicRecording
duration: PT4M34S
duration ms: 274352
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200025
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T16:06:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xae1180f634cea0b7b5861223356c2b5ed6721080116221a4581e3d62e56e0b95
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/4mllnVsvrtRfqPrOQTaYOq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4mllnVsvrtRfqPrOQTaYOq
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 0xae1180f634cea0b7b5861223356c2b5ed6721080116221a4581e3d62e56e0b95. 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/4mllnVsvrtRfqPrOQTaYOq.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/4mllnVsvrtRfqPrOQTaYOq.
  date published: 2026-06-13T17:25:41Z

Light Years
type: MusicRecording
duration: PT4M48S
duration ms: 288376
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200016
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T02:29:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3b3fc6d8dc9b74f494fdf4ba5fdfc841240cea044e92ed9043f2aeaed095d7b1
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/02biKHwoeSMrAJjn2Q6jpV.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/02biKHwoeSMrAJjn2Q6jpV
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3b3fc6d8dc9b74f494fdf4ba5fdfc841240cea044e92ed9043f2aeaed095d7b1","isrc":"JPE452200016","name":"Light Years","registered_at":"2026-06-10T02:29:09Z","spotify_id":"02biKHwoeSMrAJjn2Q6jpV","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 0x3b3fc6d8dc9b74f494fdf4ba5fdfc841240cea044e92ed9043f2aeaed095d7b1. 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/02biKHwoeSMrAJjn2Q6jpV.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/02biKHwoeSMrAJjn2Q6jpV.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x3b3fc6d8dc9b74f494fdf4ba5fdfc841240cea044e92ed9043f2aeaed095d7b1","isrc":"JPE452200016","name":"Light Years","registered_at":"2026-06-10T02:29:09Z","spotify_id":"02biKHwoeSMrAJjn2Q6jpV","type":"track"}

Kimino Yokogao
type: MusicRecording
duration: PT5M50S
duration ms: 350969
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200012
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:14:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0b546614630d98c71632d7069108495d6e67d0b29bea517a90b45989227ae332
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1dvItFqhKx7knqbU0tIYyV.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1dvItFqhKx7knqbU0tIYyV
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0b546614630d98c71632d7069108495d6e67d0b29bea517a90b45989227ae332","isrc":"JPE452200012","name":"Kimino Yokogao","registered_at":"2026-06-07T19:14:48Z","spotify_id":"1dvItFqhKx7knqbU0tIYyV","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 0x0b546614630d98c71632d7069108495d6e67d0b29bea517a90b45989227ae332. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1dvItFqhKx7knqbU0tIYyV.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/1dvItFqhKx7knqbU0tIYyV.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x0b546614630d98c71632d7069108495d6e67d0b29bea517a90b45989227ae332","isrc":"JPE452200012","name":"Kimino Yokogao","registered_at":"2026-06-07T19:14:48Z","spotify_id":"1dvItFqhKx7knqbU0tIYyV","type":"track"}

White Spell
type: MusicRecording
duration: PT5M1S
duration ms: 301634
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200059
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T16:24:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf770478fb50d46ee0cc1e7293045a0230e35d37aba815205bead53b82e365c5f
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/3GH3jwTpTk4IFGY04dT9nf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3GH3jwTpTk4IFGY04dT9nf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf770478fb50d46ee0cc1e7293045a0230e35d37aba815205bead53b82e365c5f","isrc":"JPE452200059","name":"White Spell","registered_at":"2026-06-06T16:24:10Z","spotify_id":"3GH3jwTpTk4IFGY04dT9nf","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 0xf770478fb50d46ee0cc1e7293045a0230e35d37aba815205bead53b82e365c5f. 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/3GH3jwTpTk4IFGY04dT9nf.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/3GH3jwTpTk4IFGY04dT9nf.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xf770478fb50d46ee0cc1e7293045a0230e35d37aba815205bead53b82e365c5f","isrc":"JPE452200059","name":"White Spell","registered_at":"2026-06-06T16:24:10Z","spotify_id":"3GH3jwTpTk4IFGY04dT9nf","type":"track"}

White Cube
type: MusicAlbum
date published: 2024-03-20
track: guideroid
  type: MusicRecording
  duration: PT1M29S
  duration ms: 89800
  explicit: false
  by artist: yanaginagi
  in album: White Cube
    type: MusicAlbum
    date published: 2024-03-20
  isrc code: JPPI02400030
track: Irokakusei
  type: MusicRecording
  duration: PT2M30S
  duration ms: 150520
  explicit: false
  by artist: yanaginagi
  in album: White Cube
    type: MusicAlbum
    date published: 2024-03-20
  isrc code: JPPI02400040
track: Yukiharuame
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269960
  explicit: false
  by artist: yanaginagi
  in album: White Cube
    type: MusicAlbum
    date published: 2024-03-20
  isrc code: JPPI02300160
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T14:14:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x74259de3f7fc15f3bb825423a10db59c5fe3238b415e5e2d9eadb7d5526e37ec
  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/52ePJfkgnlFrjR0jdyoR1U.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/52ePJfkgnlFrjR0jdyoR1U
  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 0x74259de3f7fc15f3bb825423a10db59c5fe3238b415e5e2d9eadb7d5526e37ec. 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/52ePJfkgnlFrjR0jdyoR1U.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/52ePJfkgnlFrjR0jdyoR1U.
    date published: 2026-07-02T03:30:09Z
track: Rookie Thief
  type: MusicRecording
  duration: PT3M52S
  duration ms: 232346
  explicit: false
  by artist: yanaginagi
  in album: White Cube
    type: MusicAlbum
    date published: 2024-03-20
  isrc code: JPPI02400050
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T10:11:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb25f911411679a615625a7fbfe308428a31d71b2f0eb0e21ab56be2d122005a1
  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/2tPuroy2cxDo5EIPMmBlGQ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2tPuroy2cxDo5EIPMmBlGQ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb25f911411679a615625a7fbfe308428a31d71b2f0eb0e21ab56be2d122005a1","isrc":"JPPI02400050","name":"Rookie Thief","registered_at":"2026-06-24T10:11:17Z","spotify_id":"2tPuroy2cxDo5EIPMmBlGQ","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 0xb25f911411679a615625a7fbfe308428a31d71b2f0eb0e21ab56be2d122005a1. 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/2tPuroy2cxDo5EIPMmBlGQ.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/2tPuroy2cxDo5EIPMmBlGQ.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xb25f911411679a615625a7fbfe308428a31d71b2f0eb0e21ab56be2d122005a1","isrc":"JPPI02400050","name":"Rookie Thief","registered_at":"2026-06-24T10:11:17Z","spotify_id":"2tPuroy2cxDo5EIPMmBlGQ","type":"track"}
track: Shirushibi
  type: MusicRecording
  duration: PT4M42S
  duration ms: 282000
  explicit: false
  by artist: yanaginagi
  in album: White Cube
    type: MusicAlbum
    date published: 2024-03-20
  isrc code: JPPI02100900
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T09:48:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa5ba6c7fdd29d623eadf0201d2f0570151f2eae122b7b2a02a16a585899fee9b
  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/25XBTrXmKICYENGSj0t63K.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/25XBTrXmKICYENGSj0t63K
  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 0xa5ba6c7fdd29d623eadf0201d2f0570151f2eae122b7b2a02a16a585899fee9b. 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/25XBTrXmKICYENGSj0t63K.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/25XBTrXmKICYENGSj0t63K.
    date published: 2026-06-13T17:25:41Z
track: Inochibi
  type: MusicRecording
  duration: PT4M24S
  duration ms: 264880
  explicit: false
  by artist: yanaginagi
  in album: White Cube
    type: MusicAlbum
    date published: 2024-03-20
  isrc code: JPPI02302810
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T14:14:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdb539f7c76880c70f955fd078be9f77a3fb385f82cba9a40cbc99f526cdfd8c7
  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/57rTuQPqdf4bb4vnIJb6DK.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/57rTuQPqdf4bb4vnIJb6DK
  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 0xdb539f7c76880c70f955fd078be9f77a3fb385f82cba9a40cbc99f526cdfd8c7. 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/57rTuQPqdf4bb4vnIJb6DK.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/57rTuQPqdf4bb4vnIJb6DK.
    date published: 2026-07-02T03:30:09Z
track: Picky about you
track: Watashi to Courier
track: Partie de ton monde
track: homeward journey
track: Art Lounge
track: Blank

Picky about you
type: MusicRecording
duration: PT2M45S
duration ms: 165520
explicit: false
by artist: yanaginagi
in album: White Cube
  type: MusicAlbum
  date published: 2024-03-20
isrc code: JPPI02400060

Watashi to Courier
type: MusicRecording
duration: PT4M8S
duration ms: 248080
explicit: false
by artist: yanaginagi
in album: White Cube
  type: MusicAlbum
  date published: 2024-03-20
isrc code: JPPI02400070

Partie de ton monde
type: MusicRecording
duration: PT5M40S
duration ms: 340066
explicit: false
by artist: yanaginagi
in album: White Cube
  type: MusicAlbum
  date published: 2024-03-20
isrc code: JPPI02400080

homeward journey
type: MusicRecording
duration: PT4M28S
duration ms: 268786
explicit: false
by artist: yanaginagi
in album: White Cube
  type: MusicAlbum
  date published: 2024-03-20
isrc code: JPPI02302910
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T23:55:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe4b64c2281d10e5d8dc83c7e26f65290c0a1f11fe41706bc3f291efaa6494ac5
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/6tSIIsPz4bgyTP7LoWueTf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6tSIIsPz4bgyTP7LoWueTf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe4b64c2281d10e5d8dc83c7e26f65290c0a1f11fe41706bc3f291efaa6494ac5","isrc":"JPPI02302910","name":"homeward journey","registered_at":"2026-06-19T23:55:51Z","spotify_id":"6tSIIsPz4bgyTP7LoWueTf","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 0xe4b64c2281d10e5d8dc83c7e26f65290c0a1f11fe41706bc3f291efaa6494ac5. 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/6tSIIsPz4bgyTP7LoWueTf.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/6tSIIsPz4bgyTP7LoWueTf.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xe4b64c2281d10e5d8dc83c7e26f65290c0a1f11fe41706bc3f291efaa6494ac5","isrc":"JPPI02302910","name":"homeward journey","registered_at":"2026-06-19T23:55:51Z","spotify_id":"6tSIIsPz4bgyTP7LoWueTf","type":"track"}

Art Lounge
type: MusicRecording
duration: PT2M7S
duration ms: 127040
explicit: false
by artist: yanaginagi
in album: White Cube
  type: MusicAlbum
  date published: 2024-03-20
isrc code: JPPI02400090

Blank
type: MusicRecording
duration: PT4M32S
duration ms: 272120
explicit: false
by artist: yanaginagi
in album: White Cube
  type: MusicAlbum
  date published: 2024-03-20
isrc code: JPPI02400100

Branch
type: MusicAlbum
date published: 2022-12-23
track: Branch
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280004
  explicit: false
  by artist: yanaginagi
  in album: Branch
    type: MusicAlbum
    date published: 2022-12-23
  isrc code: JPPI02201100
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T19:43:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x68a6b87158d5db5111e25c395280f9ca5914f1e4d7608db1c4001ebee0096e89
  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/7942lglIOC7YBEiQzLUBxC.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7942lglIOC7YBEiQzLUBxC
  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 0x68a6b87158d5db5111e25c395280f9ca5914f1e4d7608db1c4001ebee0096e89. 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/7942lglIOC7YBEiQzLUBxC.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/7942lglIOC7YBEiQzLUBxC.
    date published: 2026-07-02T05:09:12Z
track: dream puff
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191072
  explicit: false
  by artist: yanaginagi
  in album: Branch
    type: MusicAlbum
    date published: 2022-12-23
  isrc code: JPPI02201690
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T17:26:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa14fa239c87d42c664694a1fe2bf05cdd7a1a24a69eaf3deea246cd11eb1ae8c
  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/142Y8DGgkgd64uwtg93dXE.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/142Y8DGgkgd64uwtg93dXE
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa14fa239c87d42c664694a1fe2bf05cdd7a1a24a69eaf3deea246cd11eb1ae8c","isrc":"JPPI02201690","name":"dream puff","registered_at":"2026-06-25T17:26:02Z","spotify_id":"142Y8DGgkgd64uwtg93dXE","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 0xa14fa239c87d42c664694a1fe2bf05cdd7a1a24a69eaf3deea246cd11eb1ae8c. 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/142Y8DGgkgd64uwtg93dXE.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/142Y8DGgkgd64uwtg93dXE.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xa14fa239c87d42c664694a1fe2bf05cdd7a1a24a69eaf3deea246cd11eb1ae8c","isrc":"JPPI02201690","name":"dream puff","registered_at":"2026-06-25T17:26:02Z","spotify_id":"142Y8DGgkgd64uwtg93dXE","type":"track"}
track: just another day
  type: MusicRecording
  duration: PT3M34S
  duration ms: 214419
  explicit: false
  by artist: yanaginagi
  in album: Branch
    type: MusicAlbum
    date published: 2022-12-23
  isrc code: JPPI02204180
track: Echo
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256638
  explicit: false
  by artist: yanaginagi
  in album: Branch
    type: MusicAlbum
    date published: 2022-12-23
  isrc code: JPPI02202060
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T00:24:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1b5ae6eb9a6259970b69b1bb07f18c9b7ef15072ee7c87067490cef81dfcfa13
  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/5jXPhKYMnnKgQGYt9l7DYT.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5jXPhKYMnnKgQGYt9l7DYT
  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 0x1b5ae6eb9a6259970b69b1bb07f18c9b7ef15072ee7c87067490cef81dfcfa13. 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/5jXPhKYMnnKgQGYt9l7DYT.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/5jXPhKYMnnKgQGYt9l7DYT.
    date published: 2026-07-02T03:55:08Z
track: oversupply
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216703
  explicit: false
  by artist: yanaginagi
  in album: Branch
    type: MusicAlbum
    date published: 2022-12-23
  isrc code: JPPI02204190
track: more than enough
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234029
  explicit: false
  by artist: yanaginagi
  in album: Branch
    type: MusicAlbum
    date published: 2022-12-23
  isrc code: JPPI02204070
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T22:31:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3a5bf0908d007321d0966ef5da6c5d0978426810d374c72d58d5c1e15fc8b9f5
  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/3keJIzLypT8SqB5WBhWPsD.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3keJIzLypT8SqB5WBhWPsD
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3a5bf0908d007321d0966ef5da6c5d0978426810d374c72d58d5c1e15fc8b9f5","isrc":"JPPI02204070","name":"more than enough","registered_at":"2026-06-26T22:31:21Z","spotify_id":"3keJIzLypT8SqB5WBhWPsD","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
track: brand new world,brand new me
track: For good
track: fugacious
track: without a Branch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a5bf0908d007321d0966ef5da6c5d0978426810d374c72d58d5c1e15fc8b9f5. 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/3keJIzLypT8SqB5WBhWPsD.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/3keJIzLypT8SqB5WBhWPsD.
date published: 2026-07-02T05:09:12Z
text: {"copyright_id":"0x3a5bf0908d007321d0966ef5da6c5d0978426810d374c72d58d5c1e15fc8b9f5","isrc":"JPPI02204070","name":"more than enough","registered_at":"2026-06-26T22:31:21Z","spotify_id":"3keJIzLypT8SqB5WBhWPsD","type":"track"}

brand new world,brand new me
type: MusicRecording
duration: PT4M8S
duration ms: 248808
explicit: false
by artist: yanaginagi
in album: Branch
  type: MusicAlbum
  date published: 2022-12-23
isrc code: JPPI02204200

For good
type: MusicRecording
duration: PT6M15S
duration ms: 375953
explicit: false
by artist: yanaginagi
in album: Branch
  type: MusicAlbum
  date published: 2022-12-23
isrc code: JPPI02204210

fugacious
type: MusicRecording
duration: PT2M28S
duration ms: 148742
explicit: false
by artist: yanaginagi
in album: Branch
  type: MusicAlbum
  date published: 2022-12-23
isrc code: JPPI02204220

without a Branch
type: MusicRecording
duration: PT2M31S
duration ms: 151585
explicit: false
by artist: yanaginagi
in album: Branch
  type: MusicAlbum
  date published: 2022-12-23
isrc code: JPPI02204230

yanaginagi 10th Anniversary Selection Album -Roundabout-
type: MusicAlbum
date published: 2022-02-23
track: Roundabout
  type: MusicRecording
  duration: PT5M11S
  duration ms: 311109
  explicit: false
  by artist: yanaginagi
  in album: yanaginagi 10th Anniversary Selection Album -Roundabout-
    type: MusicAlbum
    date published: 2022-02-23
  isrc code: JPPI02200050
track: melt - 10th ANNIVERSARY MIX
  type: MusicRecording
  duration: PT5M7S
  duration ms: 307413
  explicit: false
  by artist: yanaginagi
  in album: yanaginagi 10th Anniversary Selection Album -Roundabout-
    type: MusicAlbum
    date published: 2022-02-23
  isrc code: JPPI02200060
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T11:19:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x52c8d4f46df80c8b74e0c164c0d45997afe7323567e4265b114bb5c762c8d502
  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/6S3ngBZSujusTdrZJgaCUB.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6S3ngBZSujusTdrZJgaCUB
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x52c8d4f46df80c8b74e0c164c0d45997afe7323567e4265b114bb5c762c8d502","isrc":"JPPI02200060","name":"melt - 10th ANNIVERSARY MIX","registered_at":"2026-06-08T11:19:00Z","spotify_id":"6S3ngBZSujusTdrZJgaCUB","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 0x52c8d4f46df80c8b74e0c164c0d45997afe7323567e4265b114bb5c762c8d502. 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/6S3ngBZSujusTdrZJgaCUB.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/6S3ngBZSujusTdrZJgaCUB.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x52c8d4f46df80c8b74e0c164c0d45997afe7323567e4265b114bb5c762c8d502","isrc":"JPPI02200060","name":"melt - 10th ANNIVERSARY MIX","registered_at":"2026-06-08T11:19:00Z","spotify_id":"6S3ngBZSujusTdrZJgaCUB","type":"track"}
track: meguminoame
  type: MusicRecording
  duration: PT4M38S
  duration ms: 278786
  explicit: false
  by artist: yanaginagi
  in album: yanaginagi 10th Anniversary Selection Album -Roundabout-
    type: MusicAlbum
    date published: 2022-02-23
  isrc code: JPPI02000440
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T14:35:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0c17d4e1e24f42b35e1a37c69e6cdcae6b207a4856c272384f54204c33b66c6e
  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/2pFEIaM1ZiFreL4eLcTzpd.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2pFEIaM1ZiFreL4eLcTzpd
  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 0x0c17d4e1e24f42b35e1a37c69e6cdcae6b207a4856c272384f54204c33b66c6e. 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/2pFEIaM1ZiFreL4eLcTzpd.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/2pFEIaM1ZiFreL4eLcTzpd.
    date published: 2026-07-08T03:22:41Z
track: melee
  type: MusicRecording
  duration: PT4M34S
  duration ms: 274091
  explicit: false
  by artist: yanaginagi
  in album: yanaginagi 10th Anniversary Selection Album -Roundabout-
    type: MusicAlbum
    date published: 2022-02-23
  isrc code: JPPI02200070
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T03:52:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe2f6fdc75cf09ff16503a16548526b2e4fb200f8922b9d3bc1c25d0ce3e86793
  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/4B7KiO8KKpqWLSp0CDkIM3.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4B7KiO8KKpqWLSp0CDkIM3
  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 0xe2f6fdc75cf09ff16503a16548526b2e4fb200f8922b9d3bc1c25d0ce3e86793. 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/4B7KiO8KKpqWLSp0CDkIM3.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/4B7KiO8KKpqWLSp0CDkIM3.
    date published: 2026-07-02T03:30:09Z
track: Tobenai Mahoutsukai
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238374
  explicit: false
  by artist: yanaginagi
  in album: yanaginagi 10th Anniversary Selection Album -Roundabout-
    type: MusicAlbum
    date published: 2022-02-23
  isrc code: JPPI02200080
track: Koibumi
  type: MusicRecording
  duration: PT6M27S
  duration ms: 387960
  explicit: false
  by artist: yanaginagi
  in album: yanaginagi 10th Anniversary Selection Album -Roundabout-
    type: MusicAlbum
    date published: 2022-02-23
  isrc code: JPPI02200090
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T03:51:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd06d44112cff99aaaf654f35421ca97adad5180b0f94285c6cc7920953c0a54e
  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/5sLclViFuEBjSEa3sRaC61.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5sLclViFuEBjSEa3sRaC61
  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 0xd06d44112cff99aaaf654f35421ca97adad5180b0f94285c6cc7920953c0a54e. 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/5sLclViFuEBjSEa3sRaC61.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/5sLclViFuEBjSEa3sRaC61.
    date published: 2026-07-02T03:30:09Z
track: Oruto no Yume
track: Mimei no Kimi to Hakumei no Mahou
track: Mitsuba no Musubime
track: Owari no Sekai kara
track: Kimi toiu Shinwa
track: Tachyon
track: Vidro Moyou
track: Shinen
track: CorLeonis

Oruto no Yume
type: MusicRecording
duration: PT4M33S
duration ms: 273920
explicit: false
by artist: yanaginagi
in album: yanaginagi 10th Anniversary Selection Album -Roundabout-
  type: MusicAlbum
  date published: 2022-02-23
isrc code: JPPI02200100

Mimei no Kimi to Hakumei no Mahou
type: MusicRecording
duration: PT4M46S
duration ms: 286640
explicit: false
by artist: yanaginagi
in album: yanaginagi 10th Anniversary Selection Album -Roundabout-
  type: MusicAlbum
  date published: 2022-02-23
isrc code: JPPI01803000
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T11:16:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4dc45c9c296025b0638d386a50dd135e85caae011399a3ceb2d2ca8b17165c3f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956891
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956891
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1moJZanDONwgCa4SGJYf03.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1moJZanDONwgCa4SGJYf03
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:16:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4dc45c9c296025b0638d386a50dd135e85caae011399a3ceb2d2ca8b17165c3f","isrc":"JPPI01803000","name":"Mimei no Kimi to Hakumei no Mahou","registered_at":"2026-06-08T11:16:51Z","spotify_id":"1moJZanDONwgCa4SGJYf03","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 0x4dc45c9c296025b0638d386a50dd135e85caae011399a3ceb2d2ca8b17165c3f. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1moJZanDONwgCa4SGJYf03.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/1moJZanDONwgCa4SGJYf03.
  date published: 2026-07-06T07:16:32Z
  text: {"copyright_id":"0x4dc45c9c296025b0638d386a50dd135e85caae011399a3ceb2d2ca8b17165c3f","isrc":"JPPI01803000","name":"Mimei no Kimi to Hakumei no Mahou","registered_at":"2026-06-08T11:16:51Z","spotify_id":"1moJZanDONwgCa4SGJYf03","type":"track"}

Mitsuba no Musubime
type: MusicRecording
duration: PT4M56S
duration ms: 296613
explicit: false
by artist: yanaginagi
in album: yanaginagi 10th Anniversary Selection Album -Roundabout-
  type: MusicAlbum
  date published: 2022-02-23
isrc code: JPPI01356430
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T06:44:39+00:00

Owari no Sekai kara
type: MusicRecording
duration: PT5M58S
duration ms: 358897
explicit: false
by artist: yanaginagi
in album: yanaginagi 10th Anniversary Selection Album -Roundabout-
  type: MusicAlbum
  date published: 2022-02-23
isrc code: JPPI02200110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T22:53:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7decd1bb29e9de11cf8e33dd06f676b4511ac756e888dbaaf3571ee9a502e91a
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/5ozJbEGpUnw1CrGqDRAwCK.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5ozJbEGpUnw1CrGqDRAwCK
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7decd1bb29e9de11cf8e33dd06f676b4511ac756e888dbaaf3571ee9a502e91a","isrc":"JPPI02200110","name":"Owari no Sekai kara","registered_at":"2026-06-20T22:53:02Z","spotify_id":"5ozJbEGpUnw1CrGqDRAwCK","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 0x7decd1bb29e9de11cf8e33dd06f676b4511ac756e888dbaaf3571ee9a502e91a. 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/5ozJbEGpUnw1CrGqDRAwCK.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/5ozJbEGpUnw1CrGqDRAwCK.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x7decd1bb29e9de11cf8e33dd06f676b4511ac756e888dbaaf3571ee9a502e91a","isrc":"JPPI02200110","name":"Owari no Sekai kara","registered_at":"2026-06-20T22:53:02Z","spotify_id":"5ozJbEGpUnw1CrGqDRAwCK","type":"track"}

Kimi toiu Shinwa
type: MusicRecording
duration: PT4M45S
duration ms: 285400
explicit: false
by artist: yanaginagi
in album: yanaginagi 10th Anniversary Selection Album -Roundabout-
  type: MusicAlbum
  date published: 2022-02-23
isrc code: JPPI02200120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T09:49:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec199967bce286ea8f0cb10a069f84f5cdd60cd18b0c4ba715c8ba85a4f714cf
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/7joFZj6kzTLSzXpqdj2nc5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7joFZj6kzTLSzXpqdj2nc5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xec199967bce286ea8f0cb10a069f84f5cdd60cd18b0c4ba715c8ba85a4f714cf","isrc":"JPPI02200120","name":"Kimi toiu Shinwa","registered_at":"2026-06-06T09:49:39Z","spotify_id":"7joFZj6kzTLSzXpqdj2nc5","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 0xec199967bce286ea8f0cb10a069f84f5cdd60cd18b0c4ba715c8ba85a4f714cf. 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/7joFZj6kzTLSzXpqdj2nc5.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/7joFZj6kzTLSzXpqdj2nc5.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xec199967bce286ea8f0cb10a069f84f5cdd60cd18b0c4ba715c8ba85a4f714cf","isrc":"JPPI02200120","name":"Kimi toiu Shinwa","registered_at":"2026-06-06T09:49:39Z","spotify_id":"7joFZj6kzTLSzXpqdj2nc5","type":"track"}

Tachyon
type: MusicRecording
duration: PT4M15S
duration ms: 255737
explicit: false
by artist: yanaginagi
in album: yanaginagi 10th Anniversary Selection Album -Roundabout-
  type: MusicAlbum
  date published: 2022-02-23
isrc code: JPPI02200130

Vidro Moyou
type: MusicRecording
duration: PT4M52S
duration ms: 292410
explicit: false
by artist: yanaginagi
in album: yanaginagi 10th Anniversary Selection Album -Roundabout-
  type: MusicAlbum
  date published: 2022-02-23
isrc code: JPPI01154330
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T23:03:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbbb728b4f26f4e93e409337e793e47efcff6bb960f0cdf676d97075634bf2581
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/5LQnINK5yAje7d7UGt5UMX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5LQnINK5yAje7d7UGt5UMX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbbb728b4f26f4e93e409337e793e47efcff6bb960f0cdf676d97075634bf2581","isrc":"JPPI01154330","name":"Vidro Moyou","registered_at":"2026-06-06T23:03:13Z","spotify_id":"5LQnINK5yAje7d7UGt5UMX","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 0xbbb728b4f26f4e93e409337e793e47efcff6bb960f0cdf676d97075634bf2581. 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/5LQnINK5yAje7d7UGt5UMX.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/5LQnINK5yAje7d7UGt5UMX.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xbbb728b4f26f4e93e409337e793e47efcff6bb960f0cdf676d97075634bf2581","isrc":"JPPI01154330","name":"Vidro Moyou","registered_at":"2026-06-06T23:03:13Z","spotify_id":"5LQnINK5yAje7d7UGt5UMX","type":"track"}

Shinen
type: MusicRecording
duration: PT3M33S
duration ms: 213226
explicit: false
by artist: yanaginagi
in album: yanaginagi 10th Anniversary Selection Album -Roundabout-
  type: MusicAlbum
  date published: 2022-02-23
isrc code: JPPI02200180

CorLeonis
type: MusicRecording
duration: PT2M32S
duration ms: 152400
explicit: false
by artist: yanaginagi
in album: yanaginagi 10th Anniversary Selection Album -Roundabout-
  type: MusicAlbum
  date published: 2022-02-23
isrc code: JPPI02200140

emeralotype
type: MusicAlbum
date published: 2020-12-09
track: Re
  type: MusicRecording
  duration: PT1M9S
  duration ms: 69576
  explicit: false
  by artist: yanaginagi
  in album: emeralotype
    type: MusicAlbum
    date published: 2020-12-09
  isrc code: JPPI02002780
track: asterhythm
  type: MusicRecording
  duration: PT3M53S
  duration ms: 233241
  explicit: false
  by artist: yanaginagi
  in album: emeralotype
    type: MusicAlbum
    date published: 2020-12-09
  isrc code: JPPI02002790
track: kyoumodejihanekonofuri
  type: MusicRecording
  duration: PT5M42S
  duration ms: 342534
  explicit: false
  by artist: yanaginagi
  in album: emeralotype
    type: MusicAlbum
    date published: 2020-12-09
  isrc code: JPPI02002800
track: voke
  type: MusicRecording
  duration: PT4M32S
  duration ms: 272763
  explicit: false
  by artist: yanaginagi
  in album: emeralotype
    type: MusicAlbum
    date published: 2020-12-09
  isrc code: JPPI02002810
track: Special Pack!
  type: MusicRecording
  duration: PT6M20S
  duration ms: 380415
  explicit: false
  by artist: yanaginagi
  in album: emeralotype
    type: MusicAlbum
    date published: 2020-12-09
  isrc code: JPPI02002820
track: meguminoame
  type: MusicRecording
  duration: PT4M37S
  duration ms: 277377
  explicit: false
  by artist: yanaginagi
  in album: emeralotype
    type: MusicAlbum
    date published: 2020-12-09
  isrc code: JPPI02000440
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T14:35:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0c17d4e1e24f42b35e1a37c69e6cdcae6b207a4856c272384f54204c33b66c6e
  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/0G9fcUyATTKPGkoWS4xNBF.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0G9fcUyATTKPGkoWS4xNBF
  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 0x0c17d4e1e24f42b35e1a37c69e6cdcae6b207a4856c272384f54204c33b66c6e. 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/0G9fcUyATTKPGkoWS4xNBF.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/0G9fcUyATTKPGkoWS4xNBF.
    date published: 2026-06-13T17:25:41Z
track: out of the blue
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254413
  explicit: false
  by artist: yanaginagi
  in album: emeralotype
    type: MusicAlbum
    date published: 2020-12-09
  isrc code: JPPI02002830
track: 209415
  type: MusicRecording
  duration: PT4M24S
  duration ms: 264508
  explicit: false
  by artist: yanaginagi
  in album: emeralotype
    type: MusicAlbum
    date published: 2020-12-09
  isrc code: JPPI02002840
track: outsider
  type: MusicRecording
  duration: PT5M3S
  duration ms: 303643
  explicit: false
  by artist: yanaginagi
  in album: emeralotype
    type: MusicAlbum
    date published: 2020-12-09
  isrc code: JPPI02002850
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T08:54:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x15f43fe8387bbe706ca257567b5ba082fa6cc70d6dded9777c15c5af75c935e8
  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/1PVo2T8lAzUX0ulCCQ7GVF.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1PVo2T8lAzUX0ulCCQ7GVF
  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 0x15f43fe8387bbe706ca257567b5ba082fa6cc70d6dded9777c15c5af75c935e8. 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/1PVo2T8lAzUX0ulCCQ7GVF.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/1PVo2T8lAzUX0ulCCQ7GVF.
    date published: 2026-07-02T03:30:09Z
track: emeralotype
  type: MusicRecording
  duration: PT5M39S
  duration ms: 339542
  explicit: false
  by artist: yanaginagi
  in album: emeralotype
    type: MusicAlbum
    date published: 2020-12-09
  isrc code: JPPI02002860
track: Birth
  type: MusicRecording
  duration: PT2M4S
  duration ms: 124166
  explicit: false
  by artist: yanaginagi
  in album: emeralotype
    type: MusicAlbum
    date published: 2020-12-09
  isrc code: JPPI02002870

memorandum
type: MusicAlbum
date published: 2019-11-13
track: キミミクリ
  type: MusicRecording
  duration: PT3M52S
  duration ms: 232453
  explicit: false
  by artist: yanaginagi
  in album: memorandum
    type: MusicAlbum
    date published: 2019-11-13
  isrc code: JPPI01601080
track: インテンション・プロペラント
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210040
  explicit: false
  by artist: yanaginagi
  in album: memorandum
    type: MusicAlbum
    date published: 2019-11-13
  isrc code: JPPI01300520
track: color capsule
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212760
  explicit: false
  by artist: yanaginagi
  in album: memorandum
    type: MusicAlbum
    date published: 2019-11-13
  isrc code: JPPI01901020
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T06:40:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x26c4fd3b92f155a9d0fe10118ed0f2145dfbb26099e4f1131834218ffa6c9f37
  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/6m5A9Uui5sYuW0Yxt4MeA7.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6m5A9Uui5sYuW0Yxt4MeA7
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x26c4fd3b92f155a9d0fe10118ed0f2145dfbb26099e4f1131834218ffa6c9f37","isrc":"JPPI01901020","name":"color capsule","registered_at":"2026-06-09T06:40:08Z","spotify_id":"6m5A9Uui5sYuW0Yxt4MeA7","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 0x26c4fd3b92f155a9d0fe10118ed0f2145dfbb26099e4f1131834218ffa6c9f37. 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/6m5A9Uui5sYuW0Yxt4MeA7.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/6m5A9Uui5sYuW0Yxt4MeA7.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x26c4fd3b92f155a9d0fe10118ed0f2145dfbb26099e4f1131834218ffa6c9f37","isrc":"JPPI01901020","name":"color capsule","registered_at":"2026-06-09T06:40:08Z","spotify_id":"6m5A9Uui5sYuW0Yxt4MeA7","type":"track"}
track: 音のない夢
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253906
  explicit: false
  by artist: yanaginagi
  in album: memorandum
    type: MusicAlbum
    date published: 2019-11-13
  isrc code: JPPI01351180
track: in flight
  type: MusicRecording
  duration: PT5M49S
  duration ms: 349160
  explicit: false
  by artist: yanaginagi
  in album: memorandum
    type: MusicAlbum
    date published: 2019-11-13
  isrc code: JPPI01501410
track: halo effect
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220120
  explicit: false
  by artist: yanaginagi
  in album: memorandum
    type: MusicAlbum
    date published: 2019-11-13
  isrc code: JPPI01200170
track: Surrealisme
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228280
  explicit: false
  by artist: yanaginagi
  in album: memorandum
    type: MusicAlbum
    date published: 2019-11-13
  isrc code: JPPI01351190
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T10:11:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x64897141d0d7fc98c42b2afcf05f916f76ea9362ff71bc3d3da0ef7e78f2664a
  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/2by5MjYt9tYNHKVPuMw9fq.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2by5MjYt9tYNHKVPuMw9fq
  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 0x64897141d0d7fc98c42b2afcf05f916f76ea9362ff71bc3d3da0ef7e78f2664a. 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/2by5MjYt9tYNHKVPuMw9fq.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/2by5MjYt9tYNHKVPuMw9fq.
    date published: 2026-07-02T05:09:12Z
track: 真実の羽根
  type: MusicRecording
  duration: PT5M1S
  duration ms: 301653
  explicit: false
  by artist: yanaginagi
  in album: memorandum
    type: MusicAlbum
    date published: 2019-11-13
  isrc code: JPPI01252930
track: Rain
  type: MusicRecording
  duration: PT4M32S
  duration ms: 272773
  explicit: false
  by artist: yanaginagi
  in album: memorandum
    type: MusicAlbum
    date published: 2019-11-13
  isrc code: JPPI01701480
track: 想像の君
  type: MusicRecording
  duration: PT2M10S
  duration ms: 130093
  explicit: false
  by artist: yanaginagi
  in album: memorandum
    type: MusicAlbum
    date published: 2019-11-13
  isrc code: JPPI01800010
track: 鱗翅目標本
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228346
  explicit: false
  by artist: yanaginagi
  in album: memorandum
    type: MusicAlbum
    date published: 2019-11-13
  isrc code: JPPI01500140
track: helvetica
  type: MusicRecording
  duration: PT4M46S
  duration ms: 286160
  explicit: false
  by artist: yanaginagi
  in album: memorandum
    type: MusicAlbum
    date published: 2019-11-13
  isrc code: JPPI01352450
track: link
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276240
  explicit: false
  by artist: yanaginagi
  in album: memorandum
  isrc code: JPPI01252940
track: replica

memorandum
type: MusicAlbum
date published: 2019-11-13

replica
type: MusicRecording
duration: PT2M17S
duration ms: 137453
explicit: false
by artist: yanaginagi
in album: memorandum
  type: MusicAlbum
  date published: 2019-11-13
isrc code: JPPI01254300

yanaginagi Best Album (MUSEUM)
type: MusicAlbum
date published: 2019-01-09
track: over and over
  type: MusicRecording
  duration: PT4M53S
  duration ms: 293026
  explicit: false
  by artist: yanaginagi
  in album: yanaginagi Best Album (MUSEUM)
    type: MusicAlbum
    date published: 2019-01-09
  isrc code: JPPI01701470
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T23:04:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xadb203032e6d6afeda96aa030c6954447486e4ef84f7557fdd897f452df74976
  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/3F6jnAMGjF1lJxa3c49Ezj.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3F6jnAMGjF1lJxa3c49Ezj
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xadb203032e6d6afeda96aa030c6954447486e4ef84f7557fdd897f452df74976","isrc":"JPPI01701470","name":"over and over","registered_at":"2026-06-06T23:04:29Z","spotify_id":"3F6jnAMGjF1lJxa3c49Ezj","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 0xadb203032e6d6afeda96aa030c6954447486e4ef84f7557fdd897f452df74976. 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/3F6jnAMGjF1lJxa3c49Ezj.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/3F6jnAMGjF1lJxa3c49Ezj.
    date published: 2026-07-08T03:20:19Z
    text: {"copyright_id":"0xadb203032e6d6afeda96aa030c6954447486e4ef84f7557fdd897f452df74976","isrc":"JPPI01701470","name":"over and over","registered_at":"2026-06-06T23:04:29Z","spotify_id":"3F6jnAMGjF1lJxa3c49Ezj","type":"track"}
track: point at infinity
  type: MusicRecording
  duration: PT4M59S
  duration ms: 299053
  explicit: false
  by artist: yanaginagi
  in album: yanaginagi Best Album (MUSEUM)
    type: MusicAlbum
    date published: 2019-01-09
  isrc code: JPPI01452230
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T00:20:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6bb203b5281e57d60e654bda2b69ada46198be353ff99a5cabae1e401547b141
  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/0lw7xky0EnADsnLrVUr7xg.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0lw7xky0EnADsnLrVUr7xg
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6bb203b5281e57d60e654bda2b69ada46198be353ff99a5cabae1e401547b141","isrc":"JPPI01452230","name":"point at infinity","registered_at":"2026-06-23T00:20:36Z","spotify_id":"0lw7xky0EnADsnLrVUr7xg","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 0x6bb203b5281e57d60e654bda2b69ada46198be353ff99a5cabae1e401547b141. 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/0lw7xky0EnADsnLrVUr7xg.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/0lw7xky0EnADsnLrVUr7xg.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x6bb203b5281e57d60e654bda2b69ada46198be353ff99a5cabae1e401547b141","isrc":"JPPI01452230","name":"point at infinity","registered_at":"2026-06-23T00:20:36Z","spotify_id":"0lw7xky0EnADsnLrVUr7xg","type":"track"}
track: continue
  type: MusicRecording
  duration: PT4M0S
  duration ms: 240906
  explicit: false
  by artist: yanaginagi
  in album: yanaginagi Best Album (MUSEUM)
    type: MusicAlbum
    date published: 2019-01-09
  isrc code: JPPI01803140
track: トコハナ
  type: MusicRecording
  duration: PT4M24S
  duration ms: 264480
  explicit: false
  by artist: yanaginagi
  in album: yanaginagi Best Album (MUSEUM)
    type: MusicAlbum
    date published: 2019-01-09
  isrc code: JPPI01450540
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T11:59:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcf3b02ea5897f209e5efedd161a0da0c9245cbd511fb2d525d869db8332d7c3d
  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/274LGWTUyIWYe7n26ge9un.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/274LGWTUyIWYe7n26ge9un
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xcf3b02ea5897f209e5efedd161a0da0c9245cbd511fb2d525d869db8332d7c3d","isrc":"JPPI01450540","name":"トコハナ","registered_at":"2026-06-05T11:59:16Z","spotify_id":"274LGWTUyIWYe7n26ge9un","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 0xcf3b02ea5897f209e5efedd161a0da0c9245cbd511fb2d525d869db8332d7c3d. 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/274LGWTUyIWYe7n26ge9un.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/274LGWTUyIWYe7n26ge9un.
    date published: 2026-07-08T03:20:19Z
    text: {"copyright_id":"0xcf3b02ea5897f209e5efedd161a0da0c9245cbd511fb2d525d869db8332d7c3d","isrc":"JPPI01450540","name":"トコハナ","registered_at":"2026-06-05T11:59:16Z","spotify_id":"274LGWTUyIWYe7n26ge9un","type":"track"}
track: Zoetrope
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260573
  explicit: false
  by artist: yanaginagi
  in album: yanaginagi Best Album (MUSEUM)
    type: MusicAlbum
    date published: 2019-01-09
  isrc code: JPPI01254280
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T06:01:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc44176b8d78d162bd25358dec581fc0600c7f72529a990051cfcb560f2b9c283
  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/1Hv71TDjE7OjB34PNdvjti.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Hv71TDjE7OjB34PNdvjti
  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 0xc44176b8d78d162bd25358dec581fc0600c7f72529a990051cfcb560f2b9c283. 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/1Hv71TDjE7OjB34PNdvjti.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/1Hv71TDjE7OjB34PNdvjti.
    date published: 2026-07-08T08:56:20Z
track: Ambivalentidea
track: 瞑目の彼方
track: アクアテラリウム
track: mnemonic
track: オラリオン
track: Sweet Track
track: 未明の君と薄明の魔法
track: 砂糖玉の月
track: ターミナル
track: ビードロ模様

Ambivalentidea
type: MusicRecording
duration: PT4M40S
duration ms: 280106
explicit: false
by artist: yanaginagi
in album: yanaginagi Best Album (MUSEUM)
  type: MusicAlbum
  date published: 2019-01-09
isrc code: JPPI01251490
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T14:15:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x98a81fdb5907415efc7ccde7bc1ad90a0d5878e9ffce5875d50fc11bfe2bd045
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/475lrACv7K2f8Amrd2xpFS.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/475lrACv7K2f8Amrd2xpFS
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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 0x98a81fdb5907415efc7ccde7bc1ad90a0d5878e9ffce5875d50fc11bfe2bd045. 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/475lrACv7K2f8Amrd2xpFS.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/475lrACv7K2f8Amrd2xpFS.
  date published: 2026-07-08T03:53:27Z

瞑目の彼方
type: MusicRecording
duration: PT4M38S
duration ms: 278320
explicit: false
by artist: yanaginagi
in album: yanaginagi Best Album (MUSEUM)
  type: MusicAlbum
  date published: 2019-01-09

アクアテラリウム
type: MusicRecording
duration: PT4M59S
duration ms: 299053
explicit: false
by artist: yanaginagi
in album: yanaginagi Best Album (MUSEUM)
  type: MusicAlbum
  date published: 2019-01-09
isrc code: JPPI01354580
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T16:16:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a4ac9438616e040f808eebc50f425cf3835bb3ed1f802a4baef324fe319413c
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/0Asp8qX4dlrS8eryGNYbx8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Asp8qX4dlrS8eryGNYbx8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4a4ac9438616e040f808eebc50f425cf3835bb3ed1f802a4baef324fe319413c","isrc":"JPPI01354580","name":"アクアテラリウム","registered_at":"2026-06-05T16:16:35Z","spotify_id":"0Asp8qX4dlrS8eryGNYbx8","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 0x4a4ac9438616e040f808eebc50f425cf3835bb3ed1f802a4baef324fe319413c. 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/0Asp8qX4dlrS8eryGNYbx8.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/0Asp8qX4dlrS8eryGNYbx8.
  date published: 2026-07-08T03:22:41Z
  text: {"copyright_id":"0x4a4ac9438616e040f808eebc50f425cf3835bb3ed1f802a4baef324fe319413c","isrc":"JPPI01354580","name":"アクアテラリウム","registered_at":"2026-06-05T16:16:35Z","spotify_id":"0Asp8qX4dlrS8eryGNYbx8","type":"track"}

mnemonic
type: MusicRecording
duration: PT5M6S
duration ms: 306560
explicit: false
by artist: yanaginagi
in album: yanaginagi Best Album (MUSEUM)
  type: MusicAlbum
  date published: 2019-01-09
isrc code: JPPI01354920
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T02:40:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9c7329318382ecde2f242cc33a9aa921e3e51a04ce135677d78deb93aa9764c2
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/2vMb2KIsfzns5nChjFzvEl.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2vMb2KIsfzns5nChjFzvEl
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 0x9c7329318382ecde2f242cc33a9aa921e3e51a04ce135677d78deb93aa9764c2. 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/2vMb2KIsfzns5nChjFzvEl.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/2vMb2KIsfzns5nChjFzvEl.
  date published: 2026-06-13T15:41:10Z

オラリオン
type: MusicRecording
duration: PT4M10S
duration ms: 250306
explicit: false
by artist: yanaginagi
in album: yanaginagi Best Album (MUSEUM)
  type: MusicAlbum
  date published: 2019-01-09
isrc code: JPPI01501320
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T23:05:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcbf07bbde1fa2abcaa17d528270982acdb5d7ea1805b2631e2f69bba95d6090b
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/7aHW8ErwZhyz4A1uWZJgG7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7aHW8ErwZhyz4A1uWZJgG7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcbf07bbde1fa2abcaa17d528270982acdb5d7ea1805b2631e2f69bba95d6090b","isrc":"JPPI01501320","name":"オラリオン","registered_at":"2026-06-06T23:05:46Z","spotify_id":"7aHW8ErwZhyz4A1uWZJgG7","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 0xcbf07bbde1fa2abcaa17d528270982acdb5d7ea1805b2631e2f69bba95d6090b. 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/7aHW8ErwZhyz4A1uWZJgG7.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/7aHW8ErwZhyz4A1uWZJgG7.
  date published: 2026-07-08T03:22:41Z
  text: {"copyright_id":"0xcbf07bbde1fa2abcaa17d528270982acdb5d7ea1805b2631e2f69bba95d6090b","isrc":"JPPI01501320","name":"オラリオン","registered_at":"2026-06-06T23:05:46Z","spotify_id":"7aHW8ErwZhyz4A1uWZJgG7","type":"track"}

Sweet Track
type: MusicRecording
duration: PT4M12S
duration ms: 252480
explicit: false
by artist: yanaginagi
in album: yanaginagi Best Album (MUSEUM)
  type: MusicAlbum
  date published: 2019-01-09

未明の君と薄明の魔法
type: MusicRecording
duration: PT4M48S
duration ms: 288746
explicit: false
by artist: yanaginagi
in album: yanaginagi Best Album (MUSEUM)
  type: MusicAlbum
  date published: 2019-01-09
isrc code: JPPI01803000
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T11:16:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4dc45c9c296025b0638d386a50dd135e85caae011399a3ceb2d2ca8b17165c3f
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/5pNHnEYwmyQehIjSW2Qbx2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5pNHnEYwmyQehIjSW2Qbx2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4dc45c9c296025b0638d386a50dd135e85caae011399a3ceb2d2ca8b17165c3f","isrc":"JPPI01803000","name":"未明の君と薄明の魔法","registered_at":"2026-06-08T11:16:51Z","spotify_id":"5pNHnEYwmyQehIjSW2Qbx2","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 0x4dc45c9c296025b0638d386a50dd135e85caae011399a3ceb2d2ca8b17165c3f. 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/5pNHnEYwmyQehIjSW2Qbx2.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/5pNHnEYwmyQehIjSW2Qbx2.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x4dc45c9c296025b0638d386a50dd135e85caae011399a3ceb2d2ca8b17165c3f","isrc":"JPPI01803000","name":"未明の君と薄明の魔法","registered_at":"2026-06-08T11:16:51Z","spotify_id":"5pNHnEYwmyQehIjSW2Qbx2","type":"track"}

砂糖玉の月
type: MusicRecording
duration: PT4M36S
duration ms: 276706
explicit: false
by artist: yanaginagi
in album: yanaginagi Best Album (MUSEUM)
  type: MusicAlbum
  date published: 2019-01-09
isrc code: JPPI01701500
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T14:18:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdba405ef8cd5275567d75c3f96bbbd4b6366689cb906b9009e23e44a95ef33e3
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/1xWNxYX2j4qtTHPy4kIBZF.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1xWNxYX2j4qtTHPy4kIBZF
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdba405ef8cd5275567d75c3f96bbbd4b6366689cb906b9009e23e44a95ef33e3","isrc":"JPPI01701500","name":"砂糖玉の月","registered_at":"2026-06-18T14:18:37Z","spotify_id":"1xWNxYX2j4qtTHPy4kIBZF","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 0xdba405ef8cd5275567d75c3f96bbbd4b6366689cb906b9009e23e44a95ef33e3. 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/1xWNxYX2j4qtTHPy4kIBZF.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/1xWNxYX2j4qtTHPy4kIBZF.
  date published: 2026-07-08T03:20:19Z
  text: {"copyright_id":"0xdba405ef8cd5275567d75c3f96bbbd4b6366689cb906b9009e23e44a95ef33e3","isrc":"JPPI01701500","name":"砂糖玉の月","registered_at":"2026-06-18T14:18:37Z","spotify_id":"1xWNxYX2j4qtTHPy4kIBZF","type":"track"}

ターミナル
type: MusicRecording
duration: PT6M25S
duration ms: 385280
explicit: false
by artist: yanaginagi
in album: yanaginagi Best Album (MUSEUM)
  type: MusicAlbum
  date published: 2019-01-09

ビードロ模様
type: MusicRecording
duration: PT4M53S
duration ms: 293546
explicit: false
by artist: yanaginagi
in album: yanaginagi Best Album (MUSEUM)
  type: MusicAlbum
  date published: 2019-01-09
isrc code: JPPI01154330
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T23:03:13+00:00

yanaginagi Best Album (LIBRARY)
type: MusicAlbum
date published: 2019-01-09
track: ユキトキ
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269866
  explicit: false
  by artist: yanaginagi
  in album: yanaginagi Best Album (LIBRARY)
    type: MusicAlbum
    date published: 2019-01-09
  isrc code: JPPI01351170
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T10:04:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3602cc2c41dc3a4fe0ef6da211242350b03ff34e7601768bb586eedff8dab263
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956891
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956891
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2KfUUgtLRIBwxMEP6d2j86.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2KfUUgtLRIBwxMEP6d2j86
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:16:32Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3602cc2c41dc3a4fe0ef6da211242350b03ff34e7601768bb586eedff8dab263","isrc":"JPPI01351170","name":"ユキトキ","registered_at":"2026-06-04T10:04:05Z","spotify_id":"2KfUUgtLRIBwxMEP6d2j86","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 0x3602cc2c41dc3a4fe0ef6da211242350b03ff34e7601768bb586eedff8dab263. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2KfUUgtLRIBwxMEP6d2j86.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/2KfUUgtLRIBwxMEP6d2j86.
    date published: 2026-07-06T07:16:32Z
    text: {"copyright_id":"0x3602cc2c41dc3a4fe0ef6da211242350b03ff34e7601768bb586eedff8dab263","isrc":"JPPI01351170","name":"ユキトキ","registered_at":"2026-06-04T10:04:05Z","spotify_id":"2KfUUgtLRIBwxMEP6d2j86","type":"track"}
track: here and there
  type: MusicRecording
  duration: PT4M51S
  duration ms: 291013
  explicit: false
  by artist: yanaginagi
  in album: yanaginagi Best Album (LIBRARY)
    type: MusicAlbum
    date published: 2019-01-09
  isrc code: JPPI01701490
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T19:13:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x641f4b93e1a037b51af235eea6526610b944db82dacb4703ca79712444470699
  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/3VYz8PnCCOkPeIC9Rjet39.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3VYz8PnCCOkPeIC9Rjet39
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x641f4b93e1a037b51af235eea6526610b944db82dacb4703ca79712444470699","isrc":"JPPI01701490","name":"here and there","registered_at":"2026-06-08T19:13:12Z","spotify_id":"3VYz8PnCCOkPeIC9Rjet39","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 0x641f4b93e1a037b51af235eea6526610b944db82dacb4703ca79712444470699. 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/3VYz8PnCCOkPeIC9Rjet39.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/3VYz8PnCCOkPeIC9Rjet39.
    date published: 2026-07-08T03:22:41Z
    text: {"copyright_id":"0x641f4b93e1a037b51af235eea6526610b944db82dacb4703ca79712444470699","isrc":"JPPI01701490","name":"here and there","registered_at":"2026-06-08T19:13:12Z","spotify_id":"3VYz8PnCCOkPeIC9Rjet39","type":"track"}
track: テトラゴン
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253613
  explicit: false
  by artist: yanaginagi
  in album: yanaginagi Best Album (LIBRARY)
    type: MusicAlbum
    date published: 2019-01-09
  isrc code: JPPI01400180
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T07:44:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc84f7a4b95153fb2213777442c5e3a70b8b9386be72bc7bf748e3bc19bf55e99
  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/1a8PAZIwHGmdyQRI2ThFaE.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1a8PAZIwHGmdyQRI2ThFaE
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xc84f7a4b95153fb2213777442c5e3a70b8b9386be72bc7bf748e3bc19bf55e99","isrc":"JPPI01400180","name":"テトラゴン","registered_at":"2026-06-25T07:44:45Z","spotify_id":"1a8PAZIwHGmdyQRI2ThFaE","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 0xc84f7a4b95153fb2213777442c5e3a70b8b9386be72bc7bf748e3bc19bf55e99. 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/1a8PAZIwHGmdyQRI2ThFaE.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/1a8PAZIwHGmdyQRI2ThFaE.
    date published: 2026-07-08T03:22:41Z
    text: {"copyright_id":"0xc84f7a4b95153fb2213777442c5e3a70b8b9386be72bc7bf748e3bc19bf55e99","isrc":"JPPI01400180","name":"テトラゴン","registered_at":"2026-06-25T07:44:45Z","spotify_id":"1a8PAZIwHGmdyQRI2ThFaE","type":"track"}
track: 時間は窓の向こう側
  type: MusicRecording
  duration: PT5M0S
  duration ms: 300413
  explicit: false
  by artist: yanaginagi
  in album: yanaginagi Best Album (LIBRARY)
    type: MusicAlbum
    date published: 2019-01-09
  isrc code: JPPI01751780
track: ラテラリティ
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269960
  explicit: false
  by artist: yanaginagi
  in album: yanaginagi Best Album (LIBRARY)
    type: MusicAlbum
    date published: 2019-01-09
track: カザキリ
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228693
  explicit: false
  by artist: yanaginagi
  in album: yanaginagi Best Album (LIBRARY)
    type: MusicAlbum
    date published: 2019-01-09
  isrc code: JPPI01501400
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T06:38:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb721930860ee713c5b8c274878b3b37cf4d367bf89a895e5ee6415b3eb20515e
  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/19xzKfo6qHtzwjIAjblNXU.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/19xzKfo6qHtzwjIAjblNXU
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: 間遠い未来
track: 無形のアウトライン
track: Esse
track: クロスロード
track: BiblioMonster
track: 三つ葉の結びめ
track: 夜明けの光をあつめながら
track: 春擬き
track: You can count on me

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xb721930860ee713c5b8c274878b3b37cf4d367bf89a895e5ee6415b3eb20515e","isrc":"JPPI01501400","name":"カザキリ","registered_at":"2026-06-09T06:38:19Z","spotify_id":"19xzKfo6qHtzwjIAjblNXU","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 0xb721930860ee713c5b8c274878b3b37cf4d367bf89a895e5ee6415b3eb20515e. 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/19xzKfo6qHtzwjIAjblNXU.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/19xzKfo6qHtzwjIAjblNXU.
date published: 2026-07-08T08:56:20Z
text: {"copyright_id":"0xb721930860ee713c5b8c274878b3b37cf4d367bf89a895e5ee6415b3eb20515e","isrc":"JPPI01501400","name":"カザキリ","registered_at":"2026-06-09T06:38:19Z","spotify_id":"19xzKfo6qHtzwjIAjblNXU","type":"track"}

間遠い未来
type: MusicRecording
duration: PT4M22S
duration ms: 262773
explicit: false
by artist: yanaginagi
in album: yanaginagi Best Album (LIBRARY)
  type: MusicAlbum
  date published: 2019-01-09
isrc code: JPPI01800000

無形のアウトライン
type: MusicRecording
duration: PT4M31S
duration ms: 271306
explicit: false
by artist: yanaginagi
in album: yanaginagi Best Album (LIBRARY)
  type: MusicAlbum
  date published: 2019-01-09
isrc code: JPPI01800560

Esse
type: MusicRecording
duration: PT5M24S
duration ms: 324960
explicit: false
by artist: yanaginagi
in album: yanaginagi Best Album (LIBRARY)
  type: MusicAlbum
  date published: 2019-01-09

クロスロード
type: MusicRecording
duration: PT4M48S
duration ms: 288253
explicit: false
by artist: yanaginagi
in album: yanaginagi Best Album (LIBRARY)
  type: MusicAlbum
  date published: 2019-01-09

BiblioMonster
type: MusicRecording
duration: PT3M44S
duration ms: 224746
explicit: false
by artist: yanaginagi
in album: yanaginagi Best Album (LIBRARY)
  type: MusicAlbum
  date published: 2019-01-09
isrc code: JPPI01803130

三つ葉の結びめ
type: MusicRecording
duration: PT4M56S
duration ms: 296826
explicit: false
by artist: yanaginagi
in album: yanaginagi Best Album (LIBRARY)
  type: MusicAlbum
  date published: 2019-01-09
isrc code: JPPI01356430
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T06:44:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x94b4867d5272906ce07f2744948c1b6a829ba815c06a012a72e3f1a204670df0
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/7kxsJ5337nUQNsCFjI5C7j.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7kxsJ5337nUQNsCFjI5C7j
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x94b4867d5272906ce07f2744948c1b6a829ba815c06a012a72e3f1a204670df0","isrc":"JPPI01356430","name":"三つ葉の結びめ","registered_at":"2026-06-07T06:44:39Z","spotify_id":"7kxsJ5337nUQNsCFjI5C7j","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 0x94b4867d5272906ce07f2744948c1b6a829ba815c06a012a72e3f1a204670df0. 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/7kxsJ5337nUQNsCFjI5C7j.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/7kxsJ5337nUQNsCFjI5C7j.
  date published: 2026-07-08T08:56:20Z
  text: {"copyright_id":"0x94b4867d5272906ce07f2744948c1b6a829ba815c06a012a72e3f1a204670df0","isrc":"JPPI01356430","name":"三つ葉の結びめ","registered_at":"2026-06-07T06:44:39Z","spotify_id":"7kxsJ5337nUQNsCFjI5C7j","type":"track"}

夜明けの光をあつめながら
type: MusicRecording
duration: PT5M17S
duration ms: 317773
explicit: false
by artist: yanaginagi
in album: yanaginagi Best Album (LIBRARY)
  type: MusicAlbum
  date published: 2019-01-09

春擬き
type: MusicRecording
duration: PT4M30S
duration ms: 270080
explicit: false
by artist: yanaginagi
in album: yanaginagi Best Album (LIBRARY)
  type: MusicAlbum
  date published: 2019-01-09
isrc code: JPPI01500130
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T09:25:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4bd9aa2cbb9393f9fcd724000728537906fab455ef6925ce93e6bcee074d780b
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/2XBGfXRZzHpHC5o2osQGXG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2XBGfXRZzHpHC5o2osQGXG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4bd9aa2cbb9393f9fcd724000728537906fab455ef6925ce93e6bcee074d780b","isrc":"JPPI01500130","name":"春擬き","registered_at":"2026-06-04T09:25:56Z","spotify_id":"2XBGfXRZzHpHC5o2osQGXG","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 0x4bd9aa2cbb9393f9fcd724000728537906fab455ef6925ce93e6bcee074d780b. 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/2XBGfXRZzHpHC5o2osQGXG.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/2XBGfXRZzHpHC5o2osQGXG.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x4bd9aa2cbb9393f9fcd724000728537906fab455ef6925ce93e6bcee074d780b","isrc":"JPPI01500130","name":"春擬き","registered_at":"2026-06-04T09:25:56Z","spotify_id":"2XBGfXRZzHpHC5o2osQGXG","type":"track"}

You can count on me
type: MusicRecording
duration: PT5M4S
duration ms: 304093
explicit: false
by artist: yanaginagi
in album: yanaginagi Best Album (LIBRARY)
  type: MusicAlbum
  date published: 2019-01-09
isrc code: JPPI01354930

ナッテ
type: MusicAlbum
date published: 2018-01-17
track: snowglobe
  type: MusicRecording
  duration: PT6M22S
  duration ms: 382413
  explicit: false
  by artist: yanaginagi
  in album: ナッテ
    type: MusicAlbum
    date published: 2018-01-17
  isrc code: JPPI01701860
track: 時間は窓の向こう側
  type: MusicRecording
  duration: PT5M1S
  duration ms: 301133
  explicit: false
  by artist: yanaginagi
  in album: ナッテ
    type: MusicAlbum
    date published: 2018-01-17
  isrc code: JPPI01751780
track: over and over
  type: MusicRecording
  duration: PT4M53S
  duration ms: 293360
  explicit: false
  by artist: yanaginagi
  in album: ナッテ
    type: MusicAlbum
    date published: 2018-01-17
  isrc code: JPPI01701470
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T23:04:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xadb203032e6d6afeda96aa030c6954447486e4ef84f7557fdd897f452df74976
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953515
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953515
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0b9oxyIlrYgZZ9CbIL8i2n.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0b9oxyIlrYgZZ9CbIL8i2n
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xadb203032e6d6afeda96aa030c6954447486e4ef84f7557fdd897f452df74976","isrc":"JPPI01701470","name":"over and over","registered_at":"2026-06-06T23:04:29Z","spotify_id":"0b9oxyIlrYgZZ9CbIL8i2n","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 0xadb203032e6d6afeda96aa030c6954447486e4ef84f7557fdd897f452df74976. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0b9oxyIlrYgZZ9CbIL8i2n.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/0b9oxyIlrYgZZ9CbIL8i2n.
    date published: 2026-06-13T12:53:06Z
    text: {"copyright_id":"0xadb203032e6d6afeda96aa030c6954447486e4ef84f7557fdd897f452df74976","isrc":"JPPI01701470","name":"over and over","registered_at":"2026-06-06T23:04:29Z","spotify_id":"0b9oxyIlrYgZZ9CbIL8i2n","type":"track"}
track: here and there
  type: MusicRecording
  duration: PT4M50S
  duration ms: 290773
  explicit: false
  by artist: yanaginagi
  in album: ナッテ
    type: MusicAlbum
    date published: 2018-01-17
  isrc code: JPPI01701490
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T19:13:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x641f4b93e1a037b51af235eea6526610b944db82dacb4703ca79712444470699
  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/6VC9urcB1GUvNtgS9dJp3p.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6VC9urcB1GUvNtgS9dJp3p
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x641f4b93e1a037b51af235eea6526610b944db82dacb4703ca79712444470699","isrc":"JPPI01701490","name":"here and there","registered_at":"2026-06-08T19:13:12Z","spotify_id":"6VC9urcB1GUvNtgS9dJp3p","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 0x641f4b93e1a037b51af235eea6526610b944db82dacb4703ca79712444470699. 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/6VC9urcB1GUvNtgS9dJp3p.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/6VC9urcB1GUvNtgS9dJp3p.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x641f4b93e1a037b51af235eea6526610b944db82dacb4703ca79712444470699","isrc":"JPPI01701490","name":"here and there","registered_at":"2026-06-08T19:13:12Z","spotify_id":"6VC9urcB1GUvNtgS9dJp3p","type":"track"}
track: スーパーヒーロー
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165760
  explicit: false
  by artist: yanaginagi
  in album: ナッテ
    type: MusicAlbum
    date published: 2018-01-17
  isrc code: JPPI01701870
track: あなたはサキュレント
  type: MusicRecording
  duration: PT4M2S
  duration ms: 242786
  explicit: false
  by artist: yanaginagi
  in album: ナッテ
    type: MusicAlbum
    date published: 2018-01-17
  isrc code: JPPI01701880
track: 海を込めて
  type: MusicRecording
  duration: PT3M59S
  duration ms: 239933
  explicit: false
  by artist: yanaginagi
  in album: ナッテ
    type: MusicAlbum
    date published: 2018-01-17
  isrc code: JPPI01701890
track: 瞑目の彼方
  type: MusicRecording
  duration: PT4M38S
  duration ms: 278520
  explicit: false
  by artist: yanaginagi
  in album: ナッテ
    type: MusicAlbum
    date published: 2018-01-17
  isrc code: JPPI01601060
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T08:56:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8365722889e1380602aa482c3579514f0acff92d9fec6103376f09b630c29366
  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/7IqhO8u9kFZ8kHmlVzVlGt.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7IqhO8u9kFZ8kHmlVzVlGt
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x8365722889e1380602aa482c3579514f0acff92d9fec6103376f09b630c29366","isrc":"JPPI01601060","name":"瞑目の彼方","registered_at":"2026-06-19T08:56:56Z","spotify_id":"7IqhO8u9kFZ8kHmlVzVlGt","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 0x8365722889e1380602aa482c3579514f0acff92d9fec6103376f09b630c29366. 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/7IqhO8u9kFZ8kHmlVzVlGt.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/7IqhO8u9kFZ8kHmlVzVlGt.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x8365722889e1380602aa482c3579514f0acff92d9fec6103376f09b630c29366","isrc":"JPPI01601060","name":"瞑目の彼方","registered_at":"2026-06-19T08:56:56Z","spotify_id":"7IqhO8u9kFZ8kHmlVzVlGt","type":"track"}
track: 砂糖玉の月
  type: MusicRecording
  duration: PT4M37S
  duration ms: 277066
  explicit: false
  by artist: yanaginagi
  in album: ナッテ
  isrc code: JPPI01701500
  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: relaxin'soup feat. DJみそしるとMCごはん
track: 目覚めの岸辺
track: 夜明けの光をあつめながら
track: natte

yanaginagi
type: MusicGroup

ナッテ
type: MusicAlbum
date published: 2018-01-17

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-18T14:18:37+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xdba405ef8cd5275567d75c3f96bbbd4b6366689cb906b9009e23e44a95ef33e3

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956302

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956302

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/1ph9OPuNORfHzKoycvBiXE.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ph9OPuNORfHzKoycvBiXE

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:30:09Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xdba405ef8cd5275567d75c3f96bbbd4b6366689cb906b9009e23e44a95ef33e3","isrc":"JPPI01701500","name":"砂糖玉の月","registered_at":"2026-06-18T14:18:37Z","spotify_id":"1ph9OPuNORfHzKoycvBiXE","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 0xdba405ef8cd5275567d75c3f96bbbd4b6366689cb906b9009e23e44a95ef33e3. 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/1ph9OPuNORfHzKoycvBiXE.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/1ph9OPuNORfHzKoycvBiXE.
date published: 2026-07-02T03:30:09Z
text: {"copyright_id":"0xdba405ef8cd5275567d75c3f96bbbd4b6366689cb906b9009e23e44a95ef33e3","isrc":"JPPI01701500","name":"砂糖玉の月","registered_at":"2026-06-18T14:18:37Z","spotify_id":"1ph9OPuNORfHzKoycvBiXE","type":"track"}

relaxin'soup feat. DJみそしるとMCごはん
type: MusicRecording
duration: PT4M21S
duration ms: 261653
explicit: false
by artist: yanaginagi
by artist: DJ Misoshiru & MC Gohan
in album: ナッテ
  type: MusicAlbum
  date published: 2018-01-17
isrc code: JPPI01701900

目覚めの岸辺
type: MusicRecording
duration: PT4M13S
duration ms: 253120
explicit: false
by artist: yanaginagi
in album: ナッテ
  type: MusicAlbum
  date published: 2018-01-17
isrc code: JPPI01701910

夜明けの光をあつめながら
type: MusicRecording
duration: PT5M18S
duration ms: 318186
explicit: false
by artist: yanaginagi
in album: ナッテ
  type: MusicAlbum
  date published: 2018-01-17
isrc code: JPPI01701920

natte
type: MusicRecording
duration: PT2M29S
duration ms: 149986
explicit: false
by artist: yanaginagi
in album: ナッテ
  type: MusicAlbum
  date published: 2018-01-17
isrc code: JPPI01701930

Follow My Tracks
type: MusicAlbum
date published: 2016-04-20
track: Follow My Tracks
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188346
  explicit: false
  by artist: yanaginagi
  in album: Follow My Tracks
    type: MusicAlbum
    date published: 2016-04-20
  isrc code: JPPI01650760
track: 春擬き
  type: MusicRecording
  duration: PT4M31S
  duration ms: 271093
  explicit: false
  by artist: yanaginagi
  in album: Follow My Tracks
    type: MusicAlbum
    date published: 2016-04-20
  isrc code: JPPI01500130
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T09:25:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4bd9aa2cbb9393f9fcd724000728537906fab455ef6925ce93e6bcee074d780b
  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/6oRkyKWLFWYaE6aNanUlV3.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6oRkyKWLFWYaE6aNanUlV3
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x4bd9aa2cbb9393f9fcd724000728537906fab455ef6925ce93e6bcee074d780b","isrc":"JPPI01500130","name":"春擬き","registered_at":"2026-06-04T09:25:56Z","spotify_id":"6oRkyKWLFWYaE6aNanUlV3","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 0x4bd9aa2cbb9393f9fcd724000728537906fab455ef6925ce93e6bcee074d780b. 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/6oRkyKWLFWYaE6aNanUlV3.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/6oRkyKWLFWYaE6aNanUlV3.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x4bd9aa2cbb9393f9fcd724000728537906fab455ef6925ce93e6bcee074d780b","isrc":"JPPI01500130","name":"春擬き","registered_at":"2026-06-04T09:25:56Z","spotify_id":"6oRkyKWLFWYaE6aNanUlV3","type":"track"}
track: キャメルバックの街
  type: MusicRecording
  duration: PT5M9S
  duration ms: 309120
  explicit: false
  by artist: yanaginagi
  in album: Follow My Tracks
    type: MusicAlbum
    date published: 2016-04-20
  isrc code: JPPI01650770
track: rooter's song
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222746
  explicit: false
  by artist: yanaginagi
  in album: Follow My Tracks
    type: MusicAlbum
    date published: 2016-04-20
  isrc code: JPPI01650780
track: パラレルエレベーター
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213946
  explicit: false
  by artist: yanaginagi
  in album: Follow My Tracks
    type: MusicAlbum
    date published: 2016-04-20
  isrc code: JPPI01650800
track: モノクローム・サイレントシティ
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213840
  explicit: false
  by artist: yanaginagi
  in album: Follow My Tracks
    type: MusicAlbum
    date published: 2016-04-20
  isrc code: JPPI01650790
track: オラリオン
  type: MusicRecording
  duration: PT4M10S
  duration ms: 250480
  explicit: false
  by artist: yanaginagi
  in album: Follow My Tracks
    type: MusicAlbum
    date published: 2016-04-20
  isrc code: JPPI01501320
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T23:05:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcbf07bbde1fa2abcaa17d528270982acdb5d7ea1805b2631e2f69bba95d6090b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953515
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953515
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6vVEkT1lUuZfEnneivPges.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6vVEkT1lUuZfEnneivPges
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xcbf07bbde1fa2abcaa17d528270982acdb5d7ea1805b2631e2f69bba95d6090b","isrc":"JPPI01501320","name":"オラリオン","registered_at":"2026-06-06T23:05:46Z","spotify_id":"6vVEkT1lUuZfEnneivPges","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 0xcbf07bbde1fa2abcaa17d528270982acdb5d7ea1805b2631e2f69bba95d6090b. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6vVEkT1lUuZfEnneivPges.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/6vVEkT1lUuZfEnneivPges.
    date published: 2026-06-13T12:53:06Z
    text: {"copyright_id":"0xcbf07bbde1fa2abcaa17d528270982acdb5d7ea1805b2631e2f69bba95d6090b","isrc":"JPPI01501320","name":"オラリオン","registered_at":"2026-06-06T23:05:46Z","spotify_id":"6vVEkT1lUuZfEnneivPges","type":"track"}
track: 夜天幕
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236506
  explicit: false
  by artist: yanaginagi
  in album: Follow My Tracks
    type: MusicAlbum
    date published: 2016-04-20
  isrc code: JPPI01650810
track: ワンルームトラベル
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217333
  explicit: false
  by artist: yanaginagi
  in album: Follow My Tracks
    type: MusicAlbum
    date published: 2016-04-20
  isrc code: JPPI01650830
track: カザキリ
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227773
  explicit: false
  by artist: yanaginagi
  in album: Follow My Tracks
    type: MusicAlbum
    date published: 2016-04-20
  isrc code: JPPI01501400
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T06:38:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb721930860ee713c5b8c274878b3b37cf4d367bf89a895e5ee6415b3eb20515e
  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/3V54GF9TnuROwFjw5dOYye.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3V54GF9TnuROwFjw5dOYye
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: 未来ペンシル
track: ターミナル
track: どこにも行かない

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xb721930860ee713c5b8c274878b3b37cf4d367bf89a895e5ee6415b3eb20515e","isrc":"JPPI01501400","name":"カザキリ","registered_at":"2026-06-09T06:38:19Z","spotify_id":"3V54GF9TnuROwFjw5dOYye","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 0xb721930860ee713c5b8c274878b3b37cf4d367bf89a895e5ee6415b3eb20515e. 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/3V54GF9TnuROwFjw5dOYye.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/3V54GF9TnuROwFjw5dOYye.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0xb721930860ee713c5b8c274878b3b37cf4d367bf89a895e5ee6415b3eb20515e","isrc":"JPPI01501400","name":"カザキリ","registered_at":"2026-06-09T06:38:19Z","spotify_id":"3V54GF9TnuROwFjw5dOYye","type":"track"}

未来ペンシル
type: MusicRecording
duration: PT5M14S
duration ms: 314760
explicit: false
by artist: yanaginagi
in album: Follow My Tracks
  type: MusicAlbum
  date published: 2016-04-20
isrc code: JPPI01650820

ターミナル
type: MusicRecording
duration: PT6M26S
duration ms: 386386
explicit: false
by artist: yanaginagi
in album: Follow My Tracks
  type: MusicAlbum
  date published: 2016-04-20
isrc code: JPPI01650850

どこにも行かない
type: MusicRecording
duration: PT4M12S
duration ms: 252706
explicit: false
by artist: yanaginagi
in album: Follow My Tracks
  type: MusicAlbum
  date published: 2016-04-20
isrc code: JPPI01650860

ポリオミノ
type: MusicAlbum
date published: 2014-12-10
track: polyomino -intro-
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241333
  explicit: false
  by artist: yanaginagi
  in album: ポリオミノ
    type: MusicAlbum
    date published: 2014-12-10
  isrc code: JPPI01400160
track: トコハナ
  type: MusicRecording
  duration: PT4M24S
  duration ms: 264946
  explicit: false
  by artist: yanaginagi
  in album: ポリオミノ
    type: MusicAlbum
    date published: 2014-12-10
  isrc code: JPPI01450540
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T11:59:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcf3b02ea5897f209e5efedd161a0da0c9245cbd511fb2d525d869db8332d7c3d
  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/4JjSRCRvpyFMohsRM20F9Q.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4JjSRCRvpyFMohsRM20F9Q
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xcf3b02ea5897f209e5efedd161a0da0c9245cbd511fb2d525d869db8332d7c3d","isrc":"JPPI01450540","name":"トコハナ","registered_at":"2026-06-05T11:59:16Z","spotify_id":"4JjSRCRvpyFMohsRM20F9Q","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 0xcf3b02ea5897f209e5efedd161a0da0c9245cbd511fb2d525d869db8332d7c3d. 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/4JjSRCRvpyFMohsRM20F9Q.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/4JjSRCRvpyFMohsRM20F9Q.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xcf3b02ea5897f209e5efedd161a0da0c9245cbd511fb2d525d869db8332d7c3d","isrc":"JPPI01450540","name":"トコハナ","registered_at":"2026-06-05T11:59:16Z","spotify_id":"4JjSRCRvpyFMohsRM20F9Q","type":"track"}
track: 2つの月
  type: MusicRecording
  duration: PT4M8S
  duration ms: 248080
  explicit: false
  by artist: yanaginagi
  in album: ポリオミノ
    type: MusicAlbum
    date published: 2014-12-10
  isrc code: JPPI01400170
track: テトラゴン
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253306
  explicit: false
  by artist: yanaginagi
  in album: ポリオミノ
    type: MusicAlbum
    date published: 2014-12-10
  isrc code: JPPI01400180
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T07:44:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc84f7a4b95153fb2213777442c5e3a70b8b9386be72bc7bf748e3bc19bf55e99
  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/2UBZggnYapjc0xXMRiF8I5.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2UBZggnYapjc0xXMRiF8I5
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xc84f7a4b95153fb2213777442c5e3a70b8b9386be72bc7bf748e3bc19bf55e99","isrc":"JPPI01400180","name":"テトラゴン","registered_at":"2026-06-25T07:44:45Z","spotify_id":"2UBZggnYapjc0xXMRiF8I5","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 0xc84f7a4b95153fb2213777442c5e3a70b8b9386be72bc7bf748e3bc19bf55e99. 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/2UBZggnYapjc0xXMRiF8I5.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/2UBZggnYapjc0xXMRiF8I5.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xc84f7a4b95153fb2213777442c5e3a70b8b9386be72bc7bf748e3bc19bf55e99","isrc":"JPPI01400180","name":"テトラゴン","registered_at":"2026-06-25T07:44:45Z","spotify_id":"2UBZggnYapjc0xXMRiF8I5","type":"track"}
track: ファラウェイ・ハイウェイ
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192120
  explicit: false
  by artist: yanaginagi
  in album: ポリオミノ
    type: MusicAlbum
    date published: 2014-12-10
  isrc code: JPPI01400190
track: Sweet Track
  type: MusicRecording
  duration: PT4M11S
  duration ms: 251146
  explicit: false
  by artist: yanaginagi
  in album: ポリオミノ
    type: MusicAlbum
    date published: 2014-12-10
  isrc code: JPPI01400200
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T10:22:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xca4efa4ec1fdf37052b0ae7e00da3196590aa180ad7ab6b1dbd246bcc49dc281
  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/3t5uQBJh2OHIe7fSzGqEPE.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3t5uQBJh2OHIe7fSzGqEPE
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xca4efa4ec1fdf37052b0ae7e00da3196590aa180ad7ab6b1dbd246bcc49dc281","isrc":"JPPI01400200","name":"Sweet Track","registered_at":"2026-06-23T10:22:59Z","spotify_id":"3t5uQBJh2OHIe7fSzGqEPE","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 0xca4efa4ec1fdf37052b0ae7e00da3196590aa180ad7ab6b1dbd246bcc49dc281. 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/3t5uQBJh2OHIe7fSzGqEPE.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/3t5uQBJh2OHIe7fSzGqEPE.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xca4efa4ec1fdf37052b0ae7e00da3196590aa180ad7ab6b1dbd246bcc49dc281","isrc":"JPPI01400200","name":"Sweet Track","registered_at":"2026-06-23T10:22:59Z","spotify_id":"3t5uQBJh2OHIe7fSzGqEPE","type":"track"}
track: landscape
  type: MusicRecording
  duration: PT4M2S
  duration ms: 242773
  explicit: false
  by artist: yanaginagi
  in album: ポリオミノ
    type: MusicAlbum
    date published: 2014-12-10
  isrc code: JPPI01400210
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T17:27:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x47161ed0cf51a1d52458c2c4e75ad1bdd6f9c0689b3c66f30c47d6fee72025d4
  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
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: 逆転スペクトル
track: navis
track: アクアテラリウム
track: 三つ葉の結びめ
track: Rainy veil
track: Esse
track: クロスロード
track: polyomino -outro-

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/3DIfTiXDOkpDyaFXG8xxWC.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3DIfTiXDOkpDyaFXG8xxWC

OTSTimestamp
type: PropertyValue
value: 2026-07-02T05:09:12Z

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 0x47161ed0cf51a1d52458c2c4e75ad1bdd6f9c0689b3c66f30c47d6fee72025d4. 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/3DIfTiXDOkpDyaFXG8xxWC.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/3DIfTiXDOkpDyaFXG8xxWC.
date published: 2026-07-02T05:09:12Z

逆転スペクトル
type: MusicRecording
duration: PT4M54S
duration ms: 294453
explicit: false
by artist: yanaginagi
in album: ポリオミノ
  type: MusicAlbum
  date published: 2014-12-10
isrc code: JPPI01400220

navis
type: MusicRecording
duration: PT4M42S
duration ms: 282320
explicit: false
by artist: yanaginagi
in album: ポリオミノ
  type: MusicAlbum
  date published: 2014-12-10
isrc code: JPPI01400230

アクアテラリウム
type: MusicRecording
duration: PT4M59S
duration ms: 299640
explicit: false
by artist: yanaginagi
in album: ポリオミノ
  type: MusicAlbum
  date published: 2014-12-10
isrc code: JPPI01354580
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T16:16:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a4ac9438616e040f808eebc50f425cf3835bb3ed1f802a4baef324fe319413c
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/0zfttqPqS3ptSETBVPUm3Z.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0zfttqPqS3ptSETBVPUm3Z
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4a4ac9438616e040f808eebc50f425cf3835bb3ed1f802a4baef324fe319413c","isrc":"JPPI01354580","name":"アクアテラリウム","registered_at":"2026-06-05T16:16:35Z","spotify_id":"0zfttqPqS3ptSETBVPUm3Z","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 0x4a4ac9438616e040f808eebc50f425cf3835bb3ed1f802a4baef324fe319413c. 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/0zfttqPqS3ptSETBVPUm3Z.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/0zfttqPqS3ptSETBVPUm3Z.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x4a4ac9438616e040f808eebc50f425cf3835bb3ed1f802a4baef324fe319413c","isrc":"JPPI01354580","name":"アクアテラリウム","registered_at":"2026-06-05T16:16:35Z","spotify_id":"0zfttqPqS3ptSETBVPUm3Z","type":"track"}

三つ葉の結びめ
type: MusicRecording
duration: PT4M57S
duration ms: 297120
explicit: false
by artist: yanaginagi
in album: ポリオミノ
  type: MusicAlbum
  date published: 2014-12-10
isrc code: JPPI01356430
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T06:44:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x94b4867d5272906ce07f2744948c1b6a829ba815c06a012a72e3f1a204670df0
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/5NxYeklYdnR32RIHJbMKpB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5NxYeklYdnR32RIHJbMKpB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x94b4867d5272906ce07f2744948c1b6a829ba815c06a012a72e3f1a204670df0","isrc":"JPPI01356430","name":"三つ葉の結びめ","registered_at":"2026-06-07T06:44:39Z","spotify_id":"5NxYeklYdnR32RIHJbMKpB","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 0x94b4867d5272906ce07f2744948c1b6a829ba815c06a012a72e3f1a204670df0. 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/5NxYeklYdnR32RIHJbMKpB.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/5NxYeklYdnR32RIHJbMKpB.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x94b4867d5272906ce07f2744948c1b6a829ba815c06a012a72e3f1a204670df0","isrc":"JPPI01356430","name":"三つ葉の結びめ","registered_at":"2026-06-07T06:44:39Z","spotify_id":"5NxYeklYdnR32RIHJbMKpB","type":"track"}

Rainy veil
type: MusicRecording
duration: PT3M57S
duration ms: 237546
explicit: false
by artist: yanaginagi
in album: ポリオミノ
  type: MusicAlbum
  date published: 2014-12-10
isrc code: JPPI01400240
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T03:48:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x17c428f6b1176cf673ed4490a79aae8708e92a02b16cff00bd68591837e9af0f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954130
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/954130
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0FlWcFxmAlrKz7Opv8U6z0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0FlWcFxmAlrKz7Opv8U6z0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T20:26:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x17c428f6b1176cf673ed4490a79aae8708e92a02b16cff00bd68591837e9af0f","isrc":"JPPI01400240","name":"Rainy veil","registered_at":"2026-06-17T03:48:39Z","spotify_id":"0FlWcFxmAlrKz7Opv8U6z0","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 0x17c428f6b1176cf673ed4490a79aae8708e92a02b16cff00bd68591837e9af0f. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:26:48Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0FlWcFxmAlrKz7Opv8U6z0.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/0FlWcFxmAlrKz7Opv8U6z0.
  date published: 2026-06-17T20:26:48Z
  text: {"copyright_id":"0x17c428f6b1176cf673ed4490a79aae8708e92a02b16cff00bd68591837e9af0f","isrc":"JPPI01400240","name":"Rainy veil","registered_at":"2026-06-17T03:48:39Z","spotify_id":"0FlWcFxmAlrKz7Opv8U6z0","type":"track"}

Esse
type: MusicRecording
duration: PT5M24S
duration ms: 324200
explicit: false
by artist: yanaginagi
in album: ポリオミノ
  type: MusicAlbum
  date published: 2014-12-10
isrc code: JPPI01451900

クロスロード
type: MusicRecording
duration: PT4M47S
duration ms: 287813
explicit: false
by artist: yanaginagi
in album: ポリオミノ
  type: MusicAlbum
  date published: 2014-12-10
isrc code: JPPI01450600
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T03:52:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x07329fc9553feb3be61d8c48cfccf4b79429df824c6fa0b7283c19cc78f0d412
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/2Vr9HjJsv7jenTLAtXXTy3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Vr9HjJsv7jenTLAtXXTy3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x07329fc9553feb3be61d8c48cfccf4b79429df824c6fa0b7283c19cc78f0d412","isrc":"JPPI01450600","name":"クロスロード","registered_at":"2026-06-20T03:52:32Z","spotify_id":"2Vr9HjJsv7jenTLAtXXTy3","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 0x07329fc9553feb3be61d8c48cfccf4b79429df824c6fa0b7283c19cc78f0d412. 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/2Vr9HjJsv7jenTLAtXXTy3.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/2Vr9HjJsv7jenTLAtXXTy3.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x07329fc9553feb3be61d8c48cfccf4b79429df824c6fa0b7283c19cc78f0d412","isrc":"JPPI01450600","name":"クロスロード","registered_at":"2026-06-20T03:52:32Z","spotify_id":"2Vr9HjJsv7jenTLAtXXTy3","type":"track"}

polyomino -outro-
type: MusicRecording
duration: PT4M11S
duration ms: 251960
explicit: false
by artist: yanaginagi
in album: ポリオミノ
  type: MusicAlbum
  date published: 2014-12-10
isrc code: JPPI01400250

エウアル
type: MusicAlbum
date published: 2013-07-03
track: 本当
  type: MusicRecording
  duration: PT1M47S
  duration ms: 107440
  explicit: false
  by artist: yanaginagi
  in album: エウアル
    type: MusicAlbum
    date published: 2013-07-03
  isrc code: JPPI01352380
track: ユキトキ
  type: MusicRecording
  duration: PT4M28S
  duration ms: 268920
  explicit: false
  by artist: yanaginagi
  in album: エウアル
    type: MusicAlbum
    date published: 2013-07-03
  isrc code: JPPI01351170
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T10:04:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3602cc2c41dc3a4fe0ef6da211242350b03ff34e7601768bb586eedff8dab263
  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/6mw7e4VZaynKx8syCfS1XQ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6mw7e4VZaynKx8syCfS1XQ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3602cc2c41dc3a4fe0ef6da211242350b03ff34e7601768bb586eedff8dab263","isrc":"JPPI01351170","name":"ユキトキ","registered_at":"2026-06-04T10:04:05Z","spotify_id":"6mw7e4VZaynKx8syCfS1XQ","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 0x3602cc2c41dc3a4fe0ef6da211242350b03ff34e7601768bb586eedff8dab263. 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/6mw7e4VZaynKx8syCfS1XQ.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/6mw7e4VZaynKx8syCfS1XQ.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x3602cc2c41dc3a4fe0ef6da211242350b03ff34e7601768bb586eedff8dab263","isrc":"JPPI01351170","name":"ユキトキ","registered_at":"2026-06-04T10:04:05Z","spotify_id":"6mw7e4VZaynKx8syCfS1XQ","type":"track"}
track: 青のパレード
  type: MusicRecording
  duration: PT4M17S
  duration ms: 257760
  explicit: false
  by artist: yanaginagi
  in album: エウアル
    type: MusicAlbum
    date published: 2013-07-03
  isrc code: JPPI01352390
track: concent
  type: MusicRecording
  duration: PT4M28S
  duration ms: 268080
  explicit: false
  by artist: yanaginagi
  in album: エウアル
    type: MusicAlbum
    date published: 2013-07-03
  isrc code: JPPI01250410
track: helvetica
  type: MusicRecording
  duration: PT4M44S
  duration ms: 284920
  explicit: false
  by artist: yanaginagi
  in album: エウアル
    type: MusicAlbum
    date published: 2013-07-03
  isrc code: JPPI01352450
track: Ambivalentidea
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280040
  explicit: false
  by artist: yanaginagi
  in album: エウアル
    type: MusicAlbum
    date published: 2013-07-03
  isrc code: JPPI01251490
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T14:15:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x98a81fdb5907415efc7ccde7bc1ad90a0d5878e9ffce5875d50fc11bfe2bd045
  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/1od89BOrOLUbI1BIDJCuS9.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1od89BOrOLUbI1BIDJCuS9
  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 0x98a81fdb5907415efc7ccde7bc1ad90a0d5878e9ffce5875d50fc11bfe2bd045. 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/1od89BOrOLUbI1BIDJCuS9.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/1od89BOrOLUbI1BIDJCuS9.
    date published: 2026-07-02T03:30:09Z
track: euaru
  type: MusicRecording
  duration: PT4M15S
  duration ms: 255653
  explicit: false
  by artist: yanaginagi
  in album: エウアル
    type: MusicAlbum
    date published: 2013-07-03
  isrc code: JPPI01352410
track: Zoetrope
  type: MusicRecording
  duration: PT4M18S
  duration ms: 258946
  explicit: false
  by artist: yanaginagi
  in album: エウアル
    type: MusicAlbum
    date published: 2013-07-03
  isrc code: JPPI01254280
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T06:01:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc44176b8d78d162bd25358dec581fc0600c7f72529a990051cfcb560f2b9c283
  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/3yRBr4rjPp04RopRQrnh0F.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3yRBr4rjPp04RopRQrnh0F
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  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 0xc44176b8d78d162bd25358dec581fc0600c7f72529a990051cfcb560f2b9c283. 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/3yRBr4rjPp04RopRQrnh0F.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/3yRBr4rjPp04RopRQrnh0F.
    date published: 2026-06-13T15:41:10Z
track: ラテラリティ
  type: MusicRecording
  duration: PT4M28S
  duration ms: 268346
  explicit: false
  by artist: yanaginagi
  in album: エウアル
    type: MusicAlbum
    date published: 2013-07-03
  isrc code: JPPI01252920
  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: ストレンジアトラクター
track: クオリア
track: トランスルーセント
track: ビードロ模様
track: 嘘

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-21T21:28:06+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x67d9e8933155caf4fa416294eb5684e3c008e600afbc17ee865b4b91c625850e

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/7gaiOBeTRhAPkOatnkEvog.json

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

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

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x67d9e8933155caf4fa416294eb5684e3c008e600afbc17ee865b4b91c625850e","isrc":"JPPI01252920","name":"ラテラリティ","registered_at":"2026-06-21T21:28:06Z","spotify_id":"7gaiOBeTRhAPkOatnkEvog","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 0x67d9e8933155caf4fa416294eb5684e3c008e600afbc17ee865b4b91c625850e. 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/7gaiOBeTRhAPkOatnkEvog.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/7gaiOBeTRhAPkOatnkEvog.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x67d9e8933155caf4fa416294eb5684e3c008e600afbc17ee865b4b91c625850e","isrc":"JPPI01252920","name":"ラテラリティ","registered_at":"2026-06-21T21:28:06Z","spotify_id":"7gaiOBeTRhAPkOatnkEvog","type":"track"}

ストレンジアトラクター
type: MusicRecording
duration: PT4M7S
duration ms: 247400
explicit: false
by artist: yanaginagi
in album: エウアル
  type: MusicAlbum
  date published: 2013-07-03
isrc code: JPPI01352370
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T19:05:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x77c8ecfc415ae5d253093d0599057ca037a05df0802146a67801101e23ce95de
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/6meY2bcGiKZrSjiZNdZ3R8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6meY2bcGiKZrSjiZNdZ3R8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x77c8ecfc415ae5d253093d0599057ca037a05df0802146a67801101e23ce95de","isrc":"JPPI01352370","name":"ストレンジアトラクター","registered_at":"2026-06-26T19:05:01Z","spotify_id":"6meY2bcGiKZrSjiZNdZ3R8","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 0x77c8ecfc415ae5d253093d0599057ca037a05df0802146a67801101e23ce95de. 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/6meY2bcGiKZrSjiZNdZ3R8.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/6meY2bcGiKZrSjiZNdZ3R8.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x77c8ecfc415ae5d253093d0599057ca037a05df0802146a67801101e23ce95de","isrc":"JPPI01352370","name":"ストレンジアトラクター","registered_at":"2026-06-26T19:05:01Z","spotify_id":"6meY2bcGiKZrSjiZNdZ3R8","type":"track"}

クオリア
type: MusicRecording
duration: PT6M3S
duration ms: 363000
explicit: false
by artist: yanaginagi
in album: エウアル
  type: MusicAlbum
  date published: 2013-07-03
isrc code: JPPI01352420

トランスルーセント
type: MusicRecording
duration: PT4M5S
duration ms: 245626
explicit: false
by artist: yanaginagi
in album: エウアル
  type: MusicAlbum
  date published: 2013-07-03
isrc code: JPPI01352430
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T05:40:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x46f8422187bbab69031485968168e96b635ff95025a80bd7b0279dc701bd0432
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/3SPQhKm1gcL4xrG7PhzHcf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3SPQhKm1gcL4xrG7PhzHcf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x46f8422187bbab69031485968168e96b635ff95025a80bd7b0279dc701bd0432","isrc":"JPPI01352430","name":"トランスルーセント","registered_at":"2026-06-24T05:40:23Z","spotify_id":"3SPQhKm1gcL4xrG7PhzHcf","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 0x46f8422187bbab69031485968168e96b635ff95025a80bd7b0279dc701bd0432. 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/3SPQhKm1gcL4xrG7PhzHcf.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/3SPQhKm1gcL4xrG7PhzHcf.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x46f8422187bbab69031485968168e96b635ff95025a80bd7b0279dc701bd0432","isrc":"JPPI01352430","name":"トランスルーセント","registered_at":"2026-06-24T05:40:23Z","spotify_id":"3SPQhKm1gcL4xrG7PhzHcf","type":"track"}

ビードロ模様
type: MusicRecording
duration: PT4M52S
duration ms: 292640
explicit: false
by artist: yanaginagi
in album: エウアル
  type: MusicAlbum
  date published: 2013-07-03
isrc code: JPPI01154330
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T23:03:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbbb728b4f26f4e93e409337e793e47efcff6bb960f0cdf676d97075634bf2581
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3Dn7kSY27MDdVyC2cNPOoY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Dn7kSY27MDdVyC2cNPOoY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbbb728b4f26f4e93e409337e793e47efcff6bb960f0cdf676d97075634bf2581","isrc":"JPPI01154330","name":"ビードロ模様","registered_at":"2026-06-06T23:03:13Z","spotify_id":"3Dn7kSY27MDdVyC2cNPOoY","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 0xbbb728b4f26f4e93e409337e793e47efcff6bb960f0cdf676d97075634bf2581. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Dn7kSY27MDdVyC2cNPOoY.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/3Dn7kSY27MDdVyC2cNPOoY.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0xbbb728b4f26f4e93e409337e793e47efcff6bb960f0cdf676d97075634bf2581","isrc":"JPPI01154330","name":"ビードロ模様","registered_at":"2026-06-06T23:03:13Z","spotify_id":"3Dn7kSY27MDdVyC2cNPOoY","type":"track"}

嘘
type: MusicRecording
duration: PT3M18S
duration ms: 198306
explicit: false
by artist: yanaginagi
in album: エウアル
  type: MusicAlbum
  date published: 2013-07-03
isrc code: JPPI01352440

Love song of the closed planet
type: MusicAlbum
date published: 2012-04-25
track: From the closed world
  type: MusicRecording
  duration: PT5M57S
  duration ms: 357906
  explicit: false
  by artist: yanaginagi
  in album: Love song of the closed planet
    type: MusicAlbum
    date published: 2012-04-25
  isrc code: JPE451400009
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T16:15:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe78c52ea54e1ee50c857a8d8cdf9d622563dbaf32f815347e3785698cd945783
  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/4KoxgNEu4DRPjx9ei1tuXT.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4KoxgNEu4DRPjx9ei1tuXT
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe78c52ea54e1ee50c857a8d8cdf9d622563dbaf32f815347e3785698cd945783","isrc":"JPE451400009","name":"From the closed world","registered_at":"2026-06-05T16:15:37Z","spotify_id":"4KoxgNEu4DRPjx9ei1tuXT","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 0xe78c52ea54e1ee50c857a8d8cdf9d622563dbaf32f815347e3785698cd945783. 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/4KoxgNEu4DRPjx9ei1tuXT.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/4KoxgNEu4DRPjx9ei1tuXT.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xe78c52ea54e1ee50c857a8d8cdf9d622563dbaf32f815347e3785698cd945783","isrc":"JPE451400009","name":"From the closed world","registered_at":"2026-06-05T16:15:37Z","spotify_id":"4KoxgNEu4DRPjx9ei1tuXT","type":"track"}
track: Ark for two of us
  type: MusicRecording
  duration: PT5M34S
  duration ms: 334320
  explicit: false
  by artist: yanaginagi
  in album: Love song of the closed planet
    type: MusicAlbum
    date published: 2012-04-25
  isrc code: JPE451400011
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T10:11:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4b2777964aaef69bce732f9386b4c13325e4f882cd942f1e04a233dfb6815c1c
  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/55xtG7DjfANLXzVOdaHxGR.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/55xtG7DjfANLXzVOdaHxGR
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x4b2777964aaef69bce732f9386b4c13325e4f882cd942f1e04a233dfb6815c1c","isrc":"JPE451400011","name":"Ark for two of us","registered_at":"2026-06-24T10:11:29Z","spotify_id":"55xtG7DjfANLXzVOdaHxGR","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 0x4b2777964aaef69bce732f9386b4c13325e4f882cd942f1e04a233dfb6815c1c. 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/55xtG7DjfANLXzVOdaHxGR.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/55xtG7DjfANLXzVOdaHxGR.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x4b2777964aaef69bce732f9386b4c13325e4f882cd942f1e04a233dfb6815c1c","isrc":"JPE451400011","name":"Ark for two of us","registered_at":"2026-06-24T10:11:29Z","spotify_id":"55xtG7DjfANLXzVOdaHxGR","type":"track"}
track: Killer Song
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275746
  explicit: false
  by artist: yanaginagi
  in album: Love song of the closed planet
    type: MusicAlbum
    date published: 2012-04-25
  isrc code: JPE451400008
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T19:12:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x35356b9c593feba1725f0289baeb538e9715174aaaf6b73890c478dd89522a96
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953515
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953515
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6YpNHhGFd3LTDpTYpbuVPY.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6YpNHhGFd3LTDpTYpbuVPY
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x35356b9c593feba1725f0289baeb538e9715174aaaf6b73890c478dd89522a96","isrc":"JPE451400008","name":"Killer Song","registered_at":"2026-06-07T19:12:40Z","spotify_id":"6YpNHhGFd3LTDpTYpbuVPY","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 0x35356b9c593feba1725f0289baeb538e9715174aaaf6b73890c478dd89522a96. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6YpNHhGFd3LTDpTYpbuVPY.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/6YpNHhGFd3LTDpTYpbuVPY.
    date published: 2026-06-13T12:53:06Z
    text: {"copyright_id":"0x35356b9c593feba1725f0289baeb538e9715174aaaf6b73890c478dd89522a96","isrc":"JPE451400008","name":"Killer Song","registered_at":"2026-06-07T19:12:40Z","spotify_id":"6YpNHhGFd3LTDpTYpbuVPY","type":"track"}
track: Flower Garden
  type: MusicRecording
  duration: PT5M38S
  duration ms: 338293
  explicit: false
  by artist: yanaginagi
  in album: Love song of the closed planet
    type: MusicAlbum
    date published: 2012-04-25
  isrc code: JPE451400012
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T10:11:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x179b1d527b0afa41994afcf22f8bf4d8acf6f9db1c41abdbe84b438072381aab
  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/1q9UfUaFs3Jj9nLjSXyckv.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1q9UfUaFs3Jj9nLjSXyckv
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x179b1d527b0afa41994afcf22f8bf4d8acf6f9db1c41abdbe84b438072381aab","isrc":"JPE451400012","name":"Flower Garden","registered_at":"2026-06-24T10:11:00Z","spotify_id":"1q9UfUaFs3Jj9nLjSXyckv","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 0x179b1d527b0afa41994afcf22f8bf4d8acf6f9db1c41abdbe84b438072381aab. 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/1q9UfUaFs3Jj9nLjSXyckv.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/1q9UfUaFs3Jj9nLjSXyckv.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x179b1d527b0afa41994afcf22f8bf4d8acf6f9db1c41abdbe84b438072381aab","isrc":"JPE451400012","name":"Flower Garden","registered_at":"2026-06-24T10:11:00Z","spotify_id":"1q9UfUaFs3Jj9nLjSXyckv","type":"track"}
track: The Invincible Soldier
  type: MusicRecording
  duration: PT5M13S
  duration ms: 313933
  explicit: false
  by artist: yanaginagi
  in album: Love song of the closed planet
    type: MusicAlbum
    date published: 2012-04-25
  isrc code: JPE451400013
  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: Frozen Dream
track: Executioner's Love
track: The Whims of a Pirate King
track: A Planet with No Snow
track: The Sorcerer of the Volcano
track: Last Smile
track: Hero
track: Birthday song for this planet

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-08T11:14:51+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xf023e08c78c2d9c3edbe4442a80dcd5fd2f8072761fcbb3e54ba8dad1d265c42

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953520

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953520

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/4yGpuWyQlPn3qnVpnfOcdT.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4yGpuWyQlPn3qnVpnfOcdT

OTSTimestamp
type: PropertyValue
value: 2026-06-13T13:32:09Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xf023e08c78c2d9c3edbe4442a80dcd5fd2f8072761fcbb3e54ba8dad1d265c42","isrc":"JPE451400013","name":"The Invincible Soldier","registered_at":"2026-06-08T11:14:51Z","spotify_id":"4yGpuWyQlPn3qnVpnfOcdT","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 0xf023e08c78c2d9c3edbe4442a80dcd5fd2f8072761fcbb3e54ba8dad1d265c42. 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/4yGpuWyQlPn3qnVpnfOcdT.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/4yGpuWyQlPn3qnVpnfOcdT.
date published: 2026-06-13T13:32:09Z
text: {"copyright_id":"0xf023e08c78c2d9c3edbe4442a80dcd5fd2f8072761fcbb3e54ba8dad1d265c42","isrc":"JPE451400013","name":"The Invincible Soldier","registered_at":"2026-06-08T11:14:51Z","spotify_id":"4yGpuWyQlPn3qnVpnfOcdT","type":"track"}

Frozen Dream
type: MusicRecording
duration: PT5M10S
duration ms: 310400
explicit: false
by artist: yanaginagi
in album: Love song of the closed planet
  type: MusicAlbum
  date published: 2012-04-25
isrc code: JPE451400014

Executioner's Love
type: MusicRecording
duration: PT4M51S
duration ms: 291106
explicit: false
by artist: yanaginagi
in album: Love song of the closed planet
  type: MusicAlbum
  date published: 2012-04-25
isrc code: JPE451400015

The Whims of a Pirate King
type: MusicRecording
duration: PT5M9S
duration ms: 309666
explicit: false
by artist: yanaginagi
in album: Love song of the closed planet
  type: MusicAlbum
  date published: 2012-04-25
isrc code: JPE451400016
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T10:10:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf56ade114f791ba7c3bd2cbb417044b9d47f9ac9536681a47bfd3644c53cf741
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/3vlqf4dbnJaQ4L06U2dtxB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3vlqf4dbnJaQ4L06U2dtxB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf56ade114f791ba7c3bd2cbb417044b9d47f9ac9536681a47bfd3644c53cf741","isrc":"JPE451400016","name":"The Whims of a Pirate King","registered_at":"2026-06-24T10:10:56Z","spotify_id":"3vlqf4dbnJaQ4L06U2dtxB","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 0xf56ade114f791ba7c3bd2cbb417044b9d47f9ac9536681a47bfd3644c53cf741. 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/3vlqf4dbnJaQ4L06U2dtxB.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/3vlqf4dbnJaQ4L06U2dtxB.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xf56ade114f791ba7c3bd2cbb417044b9d47f9ac9536681a47bfd3644c53cf741","isrc":"JPE451400016","name":"The Whims of a Pirate King","registered_at":"2026-06-24T10:10:56Z","spotify_id":"3vlqf4dbnJaQ4L06U2dtxB","type":"track"}

A Planet with No Snow
type: MusicRecording
duration: PT4M57S
duration ms: 297200
explicit: false
by artist: yanaginagi
in album: Love song of the closed planet
  type: MusicAlbum
  date published: 2012-04-25
isrc code: JPE451400017
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T17:26:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x140823163d5b96aad7ca36d477f8516de4da49a2f20680158998933100f77b66
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/7EAKfQER7mP9mLyQYgbd2D.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7EAKfQER7mP9mLyQYgbd2D
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x140823163d5b96aad7ca36d477f8516de4da49a2f20680158998933100f77b66","isrc":"JPE451400017","name":"A Planet with No Snow","registered_at":"2026-06-25T17:26:19Z","spotify_id":"7EAKfQER7mP9mLyQYgbd2D","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 0x140823163d5b96aad7ca36d477f8516de4da49a2f20680158998933100f77b66. 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/7EAKfQER7mP9mLyQYgbd2D.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/7EAKfQER7mP9mLyQYgbd2D.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x140823163d5b96aad7ca36d477f8516de4da49a2f20680158998933100f77b66","isrc":"JPE451400017","name":"A Planet with No Snow","registered_at":"2026-06-25T17:26:19Z","spotify_id":"7EAKfQER7mP9mLyQYgbd2D","type":"track"}

The Sorcerer of the Volcano
type: MusicRecording
duration: PT4M36S
duration ms: 276426
explicit: false
by artist: yanaginagi
in album: Love song of the closed planet
  type: MusicAlbum
  date published: 2012-04-25
isrc code: JPE451400018
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T03:56:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x43c69977b548f7fa961c47d90d66d5c5e98c831bc1abebc3d894379ffb04a2b9
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/0muEw06XBKfZK1Ng0AliK3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0muEw06XBKfZK1Ng0AliK3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x43c69977b548f7fa961c47d90d66d5c5e98c831bc1abebc3d894379ffb04a2b9","isrc":"JPE451400018","name":"The Sorcerer of the Volcano","registered_at":"2026-06-20T03:56:10Z","spotify_id":"0muEw06XBKfZK1Ng0AliK3","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 0x43c69977b548f7fa961c47d90d66d5c5e98c831bc1abebc3d894379ffb04a2b9. 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/0muEw06XBKfZK1Ng0AliK3.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/0muEw06XBKfZK1Ng0AliK3.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x43c69977b548f7fa961c47d90d66d5c5e98c831bc1abebc3d894379ffb04a2b9","isrc":"JPE451400018","name":"The Sorcerer of the Volcano","registered_at":"2026-06-20T03:56:10Z","spotify_id":"0muEw06XBKfZK1Ng0AliK3","type":"track"}

Last Smile
type: MusicRecording
duration: PT6M19S
duration ms: 379706
explicit: false
by artist: yanaginagi
in album: Love song of the closed planet
  type: MusicAlbum
  date published: 2012-04-25
isrc code: JPE451400019
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T09:16:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7e33cc732aa81a1f1a5744c1927d21d4c653b7a4728f246c1741dd2f460cd14b
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/2rusQnsXnsejsVKJyIe9oS.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2rusQnsXnsejsVKJyIe9oS
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7e33cc732aa81a1f1a5744c1927d21d4c653b7a4728f246c1741dd2f460cd14b","isrc":"JPE451400019","name":"Last Smile","registered_at":"2026-06-19T09:16:41Z","spotify_id":"2rusQnsXnsejsVKJyIe9oS","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 0x7e33cc732aa81a1f1a5744c1927d21d4c653b7a4728f246c1741dd2f460cd14b. 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/2rusQnsXnsejsVKJyIe9oS.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/2rusQnsXnsejsVKJyIe9oS.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x7e33cc732aa81a1f1a5744c1927d21d4c653b7a4728f246c1741dd2f460cd14b","isrc":"JPE451400019","name":"Last Smile","registered_at":"2026-06-19T09:16:41Z","spotify_id":"2rusQnsXnsejsVKJyIe9oS","type":"track"}

Hero
type: MusicRecording
duration: PT5M3S
duration ms: 303733
explicit: false
by artist: yanaginagi
in album: Love song of the closed planet
  type: MusicAlbum
  date published: 2012-04-25
isrc code: JPE451400020
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:17:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x58374efbc360e3fa16b8088005e64cc8b0accf86e9554e25bb686d132d8bf7be
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/3YZ50zsea2gSTUmino5T1W.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3YZ50zsea2gSTUmino5T1W
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 0x58374efbc360e3fa16b8088005e64cc8b0accf86e9554e25bb686d132d8bf7be. 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/3YZ50zsea2gSTUmino5T1W.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/3YZ50zsea2gSTUmino5T1W.
  date published: 2026-07-02T03:55:08Z

Birthday song for this planet
type: MusicRecording
duration: PT6M20S
duration ms: 380600
explicit: false
by artist: yanaginagi
in album: Love song of the closed planet
  type: MusicAlbum
  date published: 2012-04-25
isrc code: JPE451400021

Everlasting Night (Echoing Remix)
type: MusicAlbum
date published: 2024-10-11
track: Everlasting Night - Echoing Remix
  type: MusicRecording
  duration: PT4M22S
  duration ms: 262000
  explicit: false
  by artist: Jun Maeda
  by artist: yanaginagi
  by artist: sky_delta
  in album: Everlasting Night (Echoing Remix)
    type: MusicAlbum
    date published: 2024-10-11
  isrc code: JPE452400038
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T16:06:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x41ebb3baaa7c1e80744d6c0a48785799f944aabaa0ce4ef6a2ba7e50eb4fc600
  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/5PXnJVOHCtDExJpFpoTTqO.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5PXnJVOHCtDExJpFpoTTqO
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x41ebb3baaa7c1e80744d6c0a48785799f944aabaa0ce4ef6a2ba7e50eb4fc600","isrc":"JPE452400038","name":"Everlasting Night - Echoing Remix","registered_at":"2026-06-10T16:06:29Z","spotify_id":"5PXnJVOHCtDExJpFpoTTqO","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 0x41ebb3baaa7c1e80744d6c0a48785799f944aabaa0ce4ef6a2ba7e50eb4fc600. 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/5PXnJVOHCtDExJpFpoTTqO.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/5PXnJVOHCtDExJpFpoTTqO.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x41ebb3baaa7c1e80744d6c0a48785799f944aabaa0ce4ef6a2ba7e50eb4fc600","isrc":"JPE452400038","name":"Everlasting Night - Echoing Remix","registered_at":"2026-06-10T16:06:29Z","spotify_id":"5PXnJVOHCtDExJpFpoTTqO","type":"track"}

Killer Song
type: MusicAlbum
date published: 2024-09-16
track: Killer Song
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276466
  explicit: false
  by artist: Jun Maeda
  by artist: yanaginagi
  in album: Killer Song
    type: MusicAlbum
    date published: 2024-09-16
  isrc code: JPE451400008
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T19:12:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x35356b9c593feba1725f0289baeb538e9715174aaaf6b73890c478dd89522a96
  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/2fQDD6AFUV8kF0CJPJ60GR.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2fQDD6AFUV8kF0CJPJ60GR
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x35356b9c593feba1725f0289baeb538e9715174aaaf6b73890c478dd89522a96","isrc":"JPE451400008","name":"Killer Song","registered_at":"2026-06-07T19:12:40Z","spotify_id":"2fQDD6AFUV8kF0CJPJ60GR","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 0x35356b9c593feba1725f0289baeb538e9715174aaaf6b73890c478dd89522a96. 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/2fQDD6AFUV8kF0CJPJ60GR.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/2fQDD6AFUV8kF0CJPJ60GR.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x35356b9c593feba1725f0289baeb538e9715174aaaf6b73890c478dd89522a96","isrc":"JPE451400008","name":"Killer Song","registered_at":"2026-06-07T19:12:40Z","spotify_id":"2fQDD6AFUV8kF0CJPJ60GR","type":"track"}
track: Owari no Sekai Kara
  type: MusicRecording
  duration: PT6M4S
  duration ms: 364933
  explicit: false
  by artist: Jun Maeda
  by artist: yanaginagi
  in album: Killer Song
    type: MusicAlbum
    date published: 2024-09-16
  isrc code: JPE451400009
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T16:15:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe78c52ea54e1ee50c857a8d8cdf9d622563dbaf32f815347e3785698cd945783
  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/3THSDfHgiy5uU2pnzNuTKQ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3THSDfHgiy5uU2pnzNuTKQ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe78c52ea54e1ee50c857a8d8cdf9d622563dbaf32f815347e3785698cd945783","isrc":"JPE451400009","name":"Owari no Sekai Kara","registered_at":"2026-06-05T16:15:37Z","spotify_id":"3THSDfHgiy5uU2pnzNuTKQ","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 0xe78c52ea54e1ee50c857a8d8cdf9d622563dbaf32f815347e3785698cd945783. 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/3THSDfHgiy5uU2pnzNuTKQ.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/3THSDfHgiy5uU2pnzNuTKQ.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xe78c52ea54e1ee50c857a8d8cdf9d622563dbaf32f815347e3785698cd945783","isrc":"JPE451400009","name":"Owari no Sekai Kara","registered_at":"2026-06-05T16:15:37Z","spotify_id":"3THSDfHgiy5uU2pnzNuTKQ","type":"track"}
track: Kimi no airplane
  type: MusicRecording
  duration: PT4M30S
  duration ms: 270933
  explicit: false
  by artist: Jun Maeda
  by artist: yanaginagi
  in album: Killer Song
    type: MusicAlbum
    date published: 2024-09-16
  isrc code: JPE451400010

Yakusoku wa Iranai - From CrosSing
type: MusicAlbum
date published: 2024-06-26
track: Yakusoku wa Iranai - From CrosSing
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212746
  explicit: false
  by artist: yanaginagi
  in album: Yakusoku wa Iranai - From CrosSing
    type: MusicAlbum
    date published: 2024-06-26
  isrc code: JPPC02411402
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T19:02:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x04830e105ef3939ed2b033986302f87532176372798cc74d28de8d803c3c9c30
  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/4KILzWRcyXNKMyw6jrb3pA.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4KILzWRcyXNKMyw6jrb3pA
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x04830e105ef3939ed2b033986302f87532176372798cc74d28de8d803c3c9c30","isrc":"JPPC02411402","name":"Yakusoku wa Iranai - From CrosSing","registered_at":"2026-06-26T19:02:28Z","spotify_id":"4KILzWRcyXNKMyw6jrb3pA","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 0x04830e105ef3939ed2b033986302f87532176372798cc74d28de8d803c3c9c30. 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/4KILzWRcyXNKMyw6jrb3pA.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/4KILzWRcyXNKMyw6jrb3pA.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x04830e105ef3939ed2b033986302f87532176372798cc74d28de8d803c3c9c30","isrc":"JPPC02411402","name":"Yakusoku wa Iranai - From CrosSing","registered_at":"2026-06-26T19:02:28Z","spotify_id":"4KILzWRcyXNKMyw6jrb3pA","type":"track"}
track: Yakusoku wa Iranai - From CrosSing - Instrumental
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212746
  explicit: false
  by artist: yanaginagi
  in album: Yakusoku wa Iranai - From CrosSing
    type: MusicAlbum
    date published: 2024-06-26

Ashita no Hanashi
type: MusicAlbum
date published: 2024-06-20
track: Ashita no Hanashi
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238695
  explicit: false
  by artist: yanaginagi
  in album: Ashita no Hanashi
    type: MusicAlbum
    date published: 2024-06-20
  isrc code: JPPI02401300
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T17:27:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb69d3bd5ce92f53a9354403f7850fb13a175c1c081eda2a3e1b135ee8a8535f2
  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/4obdExGvX5JDP8kqcmCn4G.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4obdExGvX5JDP8kqcmCn4G
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb69d3bd5ce92f53a9354403f7850fb13a175c1c081eda2a3e1b135ee8a8535f2","isrc":"JPPI02401300","name":"Ashita no Hanashi","registered_at":"2026-06-25T17:27:37Z","spotify_id":"4obdExGvX5JDP8kqcmCn4G","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 0xb69d3bd5ce92f53a9354403f7850fb13a175c1c081eda2a3e1b135ee8a8535f2. 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/4obdExGvX5JDP8kqcmCn4G.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/4obdExGvX5JDP8kqcmCn4G.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xb69d3bd5ce92f53a9354403f7850fb13a175c1c081eda2a3e1b135ee8a8535f2","isrc":"JPPI02401300","name":"Ashita no Hanashi","registered_at":"2026-06-25T17:27:37Z","spotify_id":"4obdExGvX5JDP8kqcmCn4G","type":"track"}
track: Ashita no Hanashi - Short Size
  type: MusicRecording
  duration: PT1M46S
  duration ms: 106521
  explicit: false
  by artist: yanaginagi
  in album: Ashita no Hanashi
    type: MusicAlbum
    date published: 2024-06-20

Welcome to the Front Line!
type: MusicAlbum
date published: 2024-04-04
track: Welcome to the Front Line!
  type: MusicRecording
  duration: PT4M52S
  duration ms: 292000
  explicit: false
  by artist: Jun Maeda
  by artist: yanaginagi
  in album: Welcome to the Front Line!
    type: MusicAlbum
    date published: 2024-04-04
  isrc code: JPE452400009
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T14:14:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x47201302f4cf2e9cf8ebd37b14c93f4db2877f7341087949ac4f4805569a4553
  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/6f2cvYwnJTFutLURE8ApFt.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6f2cvYwnJTFutLURE8ApFt
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x47201302f4cf2e9cf8ebd37b14c93f4db2877f7341087949ac4f4805569a4553","isrc":"JPE452400009","name":"Welcome to the Front Line!","registered_at":"2026-06-18T14:14:36Z","spotify_id":"6f2cvYwnJTFutLURE8ApFt","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 0x47201302f4cf2e9cf8ebd37b14c93f4db2877f7341087949ac4f4805569a4553. 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/6f2cvYwnJTFutLURE8ApFt.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/6f2cvYwnJTFutLURE8ApFt.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x47201302f4cf2e9cf8ebd37b14c93f4db2877f7341087949ac4f4805569a4553","isrc":"JPE452400009","name":"Welcome to the Front Line!","registered_at":"2026-06-18T14:14:36Z","spotify_id":"6f2cvYwnJTFutLURE8ApFt","type":"track"}

Valkyrie no Jojishi
type: MusicAlbum
date published: 2024-03-28
track: Valkyrie no Jojishi
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275000
  explicit: false
  by artist: Jun Maeda
  by artist: yanaginagi
  in album: Valkyrie no Jojishi
    type: MusicAlbum
    date published: 2024-03-28
  isrc code: JPE452400007
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T21:18:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa46c963e4335c3b0b32bb41877a96ac88912633b0fa7569716045efd75381f88
  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/1gshQJroyQH3QFoWliaBby.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1gshQJroyQH3QFoWliaBby
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa46c963e4335c3b0b32bb41877a96ac88912633b0fa7569716045efd75381f88","isrc":"JPE452400007","name":"Valkyrie no Jojishi","registered_at":"2026-06-21T21:18:17Z","spotify_id":"1gshQJroyQH3QFoWliaBby","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 0xa46c963e4335c3b0b32bb41877a96ac88912633b0fa7569716045efd75381f88. 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/1gshQJroyQH3QFoWliaBby.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/1gshQJroyQH3QFoWliaBby.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xa46c963e4335c3b0b32bb41877a96ac88912633b0fa7569716045efd75381f88","isrc":"JPE452400007","name":"Valkyrie no Jojishi","registered_at":"2026-06-21T21:18:17Z","spotify_id":"1gshQJroyQH3QFoWliaBby","type":"track"}

Debate Soldier
type: MusicAlbum
date published: 2024-03-21
track: Debate Soldier
  type: MusicRecording
  duration: PT4M55S
  duration ms: 295000
  explicit: false
  by artist: Jun Maeda
  by artist: yanaginagi
  in album: Debate Soldier
    type: MusicAlbum
    date published: 2024-03-21
  isrc code: JPE452400006
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T21:57:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6d870c5e17e83d75282154639d7acd52fc32c58fd11d39300fc73c9acef3414f
  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/6gTOOcOZRUTcejQjhJyagy.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6gTOOcOZRUTcejQjhJyagy
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6d870c5e17e83d75282154639d7acd52fc32c58fd11d39300fc73c9acef3414f","isrc":"JPE452400006","name":"Debate Soldier","registered_at":"2026-06-21T21:57:08Z","spotify_id":"6gTOOcOZRUTcejQjhJyagy","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 0x6d870c5e17e83d75282154639d7acd52fc32c58fd11d39300fc73c9acef3414f. 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/6gTOOcOZRUTcejQjhJyagy.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/6gTOOcOZRUTcejQjhJyagy.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x6d870c5e17e83d75282154639d7acd52fc32c58fd11d39300fc73c9acef3414f","isrc":"JPE452400006","name":"Debate Soldier","registered_at":"2026-06-21T21:57:08Z","spotify_id":"6gTOOcOZRUTcejQjhJyagy","type":"track"}

Kuso Atsui Hino Chikai
type: MusicAlbum
date published: 2024-03-14
track: Kuso Atsui Hino Chikai
  type: MusicRecording
  duration: PT4M47S
  duration ms: 287000
  explicit: false
  by artist: Jun Maeda
  by artist: yanaginagi
  in album: Kuso Atsui Hino Chikai
    type: MusicAlbum
    date published: 2024-03-14
  isrc code: JPE452400005
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T22:49:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb4e808c7317008e105492e9311ccbcad514e3c4b4ef013fdc17781350d061451
  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/5FXEhokBRFCDdpBbfpLY3L.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5FXEhokBRFCDdpBbfpLY3L
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb4e808c7317008e105492e9311ccbcad514e3c4b4ef013fdc17781350d061451","isrc":"JPE452400005","name":"Kuso Atsui Hino Chikai","registered_at":"2026-06-20T22:49:20Z","spotify_id":"5FXEhokBRFCDdpBbfpLY3L","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 0xb4e808c7317008e105492e9311ccbcad514e3c4b4ef013fdc17781350d061451. 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/5FXEhokBRFCDdpBbfpLY3L.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/5FXEhokBRFCDdpBbfpLY3L.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xb4e808c7317008e105492e9311ccbcad514e3c4b4ef013fdc17781350d061451","isrc":"JPE452400005","name":"Kuso Atsui Hino Chikai","registered_at":"2026-06-20T22:49:20Z","spotify_id":"5FXEhokBRFCDdpBbfpLY3L","type":"track"}

Sailing Ship (Broken Ver.)
type: MusicAlbum
date published: 2024-03-09
track: Sailing Ship - Broken Ver.
  type: MusicRecording
  duration: PT5M49S
  duration ms: 349000
  explicit: false
  by artist: Jun Maeda
  by artist: yanaginagi
  in album: Sailing Ship (Broken Ver.)
    type: MusicAlbum
    date published: 2024-03-09
  isrc code: JPE452400004
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T08:59:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x23284c5007508a6f377bc83654adfcf83c1157b3a7b1180615248979f91c4521
  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/3rO4hJiQurblrvU94SUPES.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3rO4hJiQurblrvU94SUPES
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x23284c5007508a6f377bc83654adfcf83c1157b3a7b1180615248979f91c4521","isrc":"JPE452400004","name":"Sailing Ship - Broken Ver.","registered_at":"2026-06-19T08:59:25Z","spotify_id":"3rO4hJiQurblrvU94SUPES","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 0x23284c5007508a6f377bc83654adfcf83c1157b3a7b1180615248979f91c4521. 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/3rO4hJiQurblrvU94SUPES.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/3rO4hJiQurblrvU94SUPES.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x23284c5007508a6f377bc83654adfcf83c1157b3a7b1180615248979f91c4521","isrc":"JPE452400004","name":"Sailing Ship - Broken Ver.","registered_at":"2026-06-19T08:59:25Z","spotify_id":"3rO4hJiQurblrvU94SUPES","type":"track"}

Bougainvillea
type: MusicAlbum
date published: 2024-02-29
track: Bougainvillea
  type: MusicRecording
  duration: PT4M51S
  duration ms: 291000
  explicit: false
  by artist: Jun Maeda
  by artist: yanaginagi
  in album: Bougainvillea
    type: MusicAlbum
    date published: 2024-02-29
  isrc code: JPE452400003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T23:06:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x61d407c6b2d19988b9a109df11d0cb98ad4230b4e351dfb8808988ae99884e89
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953515
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953515
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5rpAlyW7EAD4LY6itciAto.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5rpAlyW7EAD4LY6itciAto
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  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 0x61d407c6b2d19988b9a109df11d0cb98ad4230b4e351dfb8808988ae99884e89. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5rpAlyW7EAD4LY6itciAto.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/5rpAlyW7EAD4LY6itciAto.
    date published: 2026-06-13T12:53:06Z

homeward journey
type: MusicAlbum
date published: 2023-10-04
track: homeward journey
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265714
  explicit: false
  by artist: yanaginagi
  in album: homeward journey
    type: MusicAlbum
    date published: 2023-10-04
  isrc code: JPPI02302910
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T23:55:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe4b64c2281d10e5d8dc83c7e26f65290c0a1f11fe41706bc3f291efaa6494ac5
  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/5MKNT5IVFXoPvzV9h8ISZq.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5MKNT5IVFXoPvzV9h8ISZq
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe4b64c2281d10e5d8dc83c7e26f65290c0a1f11fe41706bc3f291efaa6494ac5","isrc":"JPPI02302910","name":"homeward journey","registered_at":"2026-06-19T23:55:51Z","spotify_id":"5MKNT5IVFXoPvzV9h8ISZq","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 0xe4b64c2281d10e5d8dc83c7e26f65290c0a1f11fe41706bc3f291efaa6494ac5. 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/5MKNT5IVFXoPvzV9h8ISZq.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/5MKNT5IVFXoPvzV9h8ISZq.
    date published: 2026-07-08T03:22:41Z
    text: {"copyright_id":"0xe4b64c2281d10e5d8dc83c7e26f65290c0a1f11fe41706bc3f291efaa6494ac5","isrc":"JPPI02302910","name":"homeward journey","registered_at":"2026-06-19T23:55:51Z","spotify_id":"5MKNT5IVFXoPvzV9h8ISZq","type":"track"}

Inochibi
type: MusicAlbum
date published: 2023-10-04
track: Inochibi
  type: MusicRecording
  duration: PT4M24S
  duration ms: 264132
  explicit: false
  by artist: yanaginagi
  in album: Inochibi
    type: MusicAlbum
    date published: 2023-10-04
  isrc code: JPPI02302810
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T14:14:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdb539f7c76880c70f955fd078be9f77a3fb385f82cba9a40cbc99f526cdfd8c7
  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/18FPUQr1NUHlcPZsYonfcB.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/18FPUQr1NUHlcPZsYonfcB
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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 0xdb539f7c76880c70f955fd078be9f77a3fb385f82cba9a40cbc99f526cdfd8c7. 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/18FPUQr1NUHlcPZsYonfcB.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/18FPUQr1NUHlcPZsYonfcB.
    date published: 2026-07-08T03:53:27Z
track: Mametsubu no Timeline
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236176
  explicit: false
  by artist: yanaginagi
  in album: Inochibi
    type: MusicAlbum
    date published: 2023-10-04
  isrc code: JPPI02302820
track: Ryusei wo matsu
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175484
  explicit: false
  by artist: yanaginagi
  in album: Inochibi
    type: MusicAlbum
    date published: 2023-10-04
  isrc code: JPPI02302830
track: Inochibi - Instrumental
  type: MusicRecording
  duration: PT4M24S
  duration ms: 264132
  explicit: false
  by artist: yanaginagi
  in album: Inochibi
    type: MusicAlbum
    date published: 2023-10-04
track: Mametsubu no Timeline - Instrumental
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236176
  explicit: false
  by artist: yanaginagi
  in album: Inochibi
    type: MusicAlbum
    date published: 2023-10-04
track: Ryusei wo matsu - Instrumental
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172426
  explicit: false
  by artist: yanaginagi
  in album: Inochibi
    type: MusicAlbum
    date published: 2023-10-04

Yukiharuame
type: MusicAlbum
date published: 2023-06-28
track: Yukiharuame
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269961
  explicit: false
  by artist: yanaginagi
  in album: Yukiharuame
    type: MusicAlbum
    date published: 2023-06-28
  isrc code: JPPI02300160
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T14:14:44+00:00
track: Yukitoki - TVsize
  type: MusicRecording
  duration: PT1M32S
  duration ms: 92783
  explicit: false
  by artist: yanaginagi
  in album: Yukiharuame
    type: MusicAlbum
    date published: 2023-06-28
  isrc code: JPPI01351171
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T04:12:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x99c34ac0d6e0e7b9cbef34a7c7e1d996ba52bdb229c8f5185ea56037880357aa
  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/53FWd5IRD2hgp5S5jaKDJj.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/53FWd5IRD2hgp5S5jaKDJj
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x99c34ac0d6e0e7b9cbef34a7c7e1d996ba52bdb229c8f5185ea56037880357aa","isrc":"JPPI01351171","name":"Yukitoki - TVsize","registered_at":"2026-06-11T04:12:02Z","spotify_id":"53FWd5IRD2hgp5S5jaKDJj","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 0x99c34ac0d6e0e7b9cbef34a7c7e1d996ba52bdb229c8f5185ea56037880357aa. 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/53FWd5IRD2hgp5S5jaKDJj.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/53FWd5IRD2hgp5S5jaKDJj.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x99c34ac0d6e0e7b9cbef34a7c7e1d996ba52bdb229c8f5185ea56037880357aa","isrc":"JPPI01351171","name":"Yukitoki - TVsize","registered_at":"2026-06-11T04:12:02Z","spotify_id":"53FWd5IRD2hgp5S5jaKDJj","type":"track"}
track: Harumodoki - TVsize
  type: MusicRecording
  duration: PT1M32S
  duration ms: 92005
  explicit: false
  by artist: yanaginagi
  in album: Yukiharuame
    type: MusicAlbum
    date published: 2023-06-28
  isrc code: JPPI01500132
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T04:11:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7bb420748693e870ee6966e24c676d568416724be7abf0c466798918bff9fdbf
  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/5BoK6ikPwb80HwgKTOpKNh.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5BoK6ikPwb80HwgKTOpKNh
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x7bb420748693e870ee6966e24c676d568416724be7abf0c466798918bff9fdbf","isrc":"JPPI01500132","name":"Harumodoki - TVsize","registered_at":"2026-06-11T04:11:46Z","spotify_id":"5BoK6ikPwb80HwgKTOpKNh","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 0x7bb420748693e870ee6966e24c676d568416724be7abf0c466798918bff9fdbf. 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/5BoK6ikPwb80HwgKTOpKNh.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/5BoK6ikPwb80HwgKTOpKNh.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x7bb420748693e870ee6966e24c676d568416724be7abf0c466798918bff9fdbf","isrc":"JPPI01500132","name":"Harumodoki - TVsize","registered_at":"2026-06-11T04:11:46Z","spotify_id":"5BoK6ikPwb80HwgKTOpKNh","type":"track"}
track: meguminoame - TVsize
  type: MusicRecording
  duration: PT1M32S
  duration ms: 92302
  explicit: false
  by artist: yanaginagi
  in album: Yukiharuame
    type: MusicAlbum
    date published: 2023-06-28
  isrc code: JPPI02000490
track: Yukiharuame - instrumental
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269961
  explicit: false
  by artist: yanaginagi
  in album: Yukiharuame
    type: MusicAlbum
    date published: 2023-06-28

Shiva
type: MusicAlbum
date published: 2023-06-01
track: Shiva
  type: MusicRecording
  duration: PT4M53S
  duration ms: 293000
  explicit: false
  by artist: Jun Maeda
  by artist: yanaginagi
  in album: Shiva
    type: MusicAlbum
    date published: 2023-06-01
  isrc code: JPE452300009
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T16:03:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd79d293119c49619563b5997bcb33e95bf9e592c70ecc9e49028bcc8c5dbb01a
  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/3yyl3snfBNOGV2zBJyQ1jU.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3yyl3snfBNOGV2zBJyQ1jU
  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 0xd79d293119c49619563b5997bcb33e95bf9e592c70ecc9e49028bcc8c5dbb01a. 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/3yyl3snfBNOGV2zBJyQ1jU.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/3yyl3snfBNOGV2zBJyQ1jU.
    date published: 2026-06-13T13:32:09Z

Re: searchlight (Magnificence Remix)
type: MusicAlbum
date published: 2023-05-31
track: Re: searchlight - Magnificence Remix
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218437
  explicit: false
  by artist: Aiobahn
  by artist: yanaginagi
  by artist: Magnificence
  in album: Re: searchlight (Magnificence Remix)
    type: MusicAlbum
    date published: 2023-05-31
  isrc code: JPB602302404
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T08:54:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7b8da2f98a8cfaf9a0c62793380dbcc3464882a19a52b17118fbbeea1b12fa8b
  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/4xmAuTl86HfoOUtlQ3Pywm.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4xmAuTl86HfoOUtlQ3Pywm
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x7b8da2f98a8cfaf9a0c62793380dbcc3464882a19a52b17118fbbeea1b12fa8b","isrc":"JPB602302404","name":"Re: searchlight - Magnificence Remix","registered_at":"2026-06-19T08:54:43Z","spotify_id":"4xmAuTl86HfoOUtlQ3Pywm","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 0x7b8da2f98a8cfaf9a0c62793380dbcc3464882a19a52b17118fbbeea1b12fa8b. 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/4xmAuTl86HfoOUtlQ3Pywm.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/4xmAuTl86HfoOUtlQ3Pywm.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x7b8da2f98a8cfaf9a0c62793380dbcc3464882a19a52b17118fbbeea1b12fa8b","isrc":"JPB602302404","name":"Re: searchlight - Magnificence Remix","registered_at":"2026-06-19T08:54:43Z","spotify_id":"4xmAuTl86HfoOUtlQ3Pywm","type":"track"}
track: Re: searchlight - Magnificence Remix - Extended Mix
  type: MusicRecording
  duration: PT4M48S
  duration ms: 288750
  explicit: false
  by artist: Aiobahn
  by artist: yanaginagi
  by artist: Magnificence
  in album: Re: searchlight (Magnificence Remix)
    type: MusicAlbum
    date published: 2023-05-31
  isrc code: JPB602302405
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T10:21:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x21cc17f2b34a55ae5c6bb03512550eef9506297c4c42412cb4df80b378b2da4f
  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/1HQNTlLndHAX6tCVA8gDpA.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1HQNTlLndHAX6tCVA8gDpA
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x21cc17f2b34a55ae5c6bb03512550eef9506297c4c42412cb4df80b378b2da4f","isrc":"JPB602302405","name":"Re: searchlight - Magnificence Remix - Extended Mix","registered_at":"2026-06-24T10:21:49Z","spotify_id":"1HQNTlLndHAX6tCVA8gDpA","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 0x21cc17f2b34a55ae5c6bb03512550eef9506297c4c42412cb4df80b378b2da4f. 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/1HQNTlLndHAX6tCVA8gDpA.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/1HQNTlLndHAX6tCVA8gDpA.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x21cc17f2b34a55ae5c6bb03512550eef9506297c4c42412cb4df80b378b2da4f","isrc":"JPB602302405","name":"Re: searchlight - Magnificence Remix - Extended Mix","registered_at":"2026-06-24T10:21:49Z","spotify_id":"1HQNTlLndHAX6tCVA8gDpA","type":"track"}

Shiniyuku Kisetsuno Kimie
type: MusicAlbum
date published: 2023-05-18
track: Shiniyuku Kisetsuno Kimie
  type: MusicRecording
  duration: PT5M23S
  duration ms: 323000
  explicit: false
  by artist: Jun Maeda
  by artist: yanaginagi
  in album: Shiniyuku Kisetsuno Kimie
    type: MusicAlbum
    date published: 2023-05-18
  isrc code: JPE452300006
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T02:19:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x33a4c98b86575f26c701ae3a76d0d94d8966bb0c4447c189a8097a4f9368669b
  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/1DBNedlSDRKh2EbmZSaIEw.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1DBNedlSDRKh2EbmZSaIEw
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x33a4c98b86575f26c701ae3a76d0d94d8966bb0c4447c189a8097a4f9368669b","isrc":"JPE452300006","name":"Shiniyuku Kisetsuno Kimie","registered_at":"2026-06-08T02:19:27Z","spotify_id":"1DBNedlSDRKh2EbmZSaIEw","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 0x33a4c98b86575f26c701ae3a76d0d94d8966bb0c4447c189a8097a4f9368669b. 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/1DBNedlSDRKh2EbmZSaIEw.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/1DBNedlSDRKh2EbmZSaIEw.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x33a4c98b86575f26c701ae3a76d0d94d8966bb0c4447c189a8097a4f9368669b","isrc":"JPE452300006","name":"Shiniyuku Kisetsuno Kimie","registered_at":"2026-06-08T02:19:27Z","spotify_id":"1DBNedlSDRKh2EbmZSaIEw","type":"track"}

Genso Toshi
type: MusicAlbum
date published: 2023-05-11
track: Genso Toshi
  type: MusicRecording
  duration: PT5M9S
  duration ms: 309000
  explicit: false
  by artist: Jun Maeda
  by artist: yanaginagi
  in album: Genso Toshi
    type: MusicAlbum
    date published: 2023-05-11
  isrc code: JPE452300007
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T21:16:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x64ab5a8f0ddd90dac772e67613282fbcdac742968d5396eea882a571cd88f3de
  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/0Kl7GPxoMYRdEf4cE24IaG.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Kl7GPxoMYRdEf4cE24IaG
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x64ab5a8f0ddd90dac772e67613282fbcdac742968d5396eea882a571cd88f3de","isrc":"JPE452300007","name":"Genso Toshi","registered_at":"2026-06-21T21:16:16Z","spotify_id":"0Kl7GPxoMYRdEf4cE24IaG","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 0x64ab5a8f0ddd90dac772e67613282fbcdac742968d5396eea882a571cd88f3de. 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/0Kl7GPxoMYRdEf4cE24IaG.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/0Kl7GPxoMYRdEf4cE24IaG.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x64ab5a8f0ddd90dac772e67613282fbcdac742968d5396eea882a571cd88f3de","isrc":"JPE452300007","name":"Genso Toshi","registered_at":"2026-06-21T21:16:16Z","spotify_id":"0Kl7GPxoMYRdEf4cE24IaG","type":"track"}

Re: searchlight
type: MusicAlbum
date published: 2023-04-26
track: Re: searchlight
  type: MusicRecording
  duration: PT5M10S
  duration ms: 310952
  explicit: false
  by artist: Aiobahn
  by artist: yanaginagi
  in album: Re: searchlight
    type: MusicAlbum
    date published: 2023-04-26
  isrc code: JPB602302073
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T01:07:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xaf5ec3d8738b3e8ec0c88dd74017564b841357c3e14bf10c1de15278ca233f14
  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/7u7mFTVWBbWcAc3NQzOmgq.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7u7mFTVWBbWcAc3NQzOmgq
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xaf5ec3d8738b3e8ec0c88dd74017564b841357c3e14bf10c1de15278ca233f14","isrc":"JPB602302073","name":"Re: searchlight","registered_at":"2026-06-08T01:07:03Z","spotify_id":"7u7mFTVWBbWcAc3NQzOmgq","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 0xaf5ec3d8738b3e8ec0c88dd74017564b841357c3e14bf10c1de15278ca233f14. 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/7u7mFTVWBbWcAc3NQzOmgq.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/7u7mFTVWBbWcAc3NQzOmgq.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xaf5ec3d8738b3e8ec0c88dd74017564b841357c3e14bf10c1de15278ca233f14","isrc":"JPB602302073","name":"Re: searchlight","registered_at":"2026-06-08T01:07:03Z","spotify_id":"7u7mFTVWBbWcAc3NQzOmgq","type":"track"}

For good
type: MusicAlbum
date published: 2022-12-16
track: For good
  type: MusicRecording
  duration: PT6M15S
  duration ms: 375953
  explicit: false
  by artist: yanaginagi
  in album: For good
    type: MusicAlbum
    date published: 2022-12-16

Natsu Kikyu
type: MusicAlbum
date published: 2022-11-10
track: Natsu Kikyu
  type: MusicRecording
  duration: PT5M21S
  duration ms: 321000
  explicit: false
  by artist: Jun Maeda
  by artist: yanaginagi
  in album: Natsu Kikyu
    type: MusicAlbum
    date published: 2022-11-10
  isrc code: JPE452200058
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T15:59:34+00:00

more than enough
type: MusicAlbum
date published: 2022-10-23
track: more than enough
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234782
  explicit: false
  by artist: yanaginagi
  in album: more than enough
    type: MusicAlbum
    date published: 2022-10-23
  isrc code: JPPI02204070
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T22:31:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3a5bf0908d007321d0966ef5da6c5d0978426810d374c72d58d5c1e15fc8b9f5
  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/4PbhhFZSXBdHStY0RUMznT.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4PbhhFZSXBdHStY0RUMznT
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3a5bf0908d007321d0966ef5da6c5d0978426810d374c72d58d5c1e15fc8b9f5","isrc":"JPPI02204070","name":"more than enough","registered_at":"2026-06-26T22:31:21Z","spotify_id":"4PbhhFZSXBdHStY0RUMznT","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 0x3a5bf0908d007321d0966ef5da6c5d0978426810d374c72d58d5c1e15fc8b9f5. 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/4PbhhFZSXBdHStY0RUMznT.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/4PbhhFZSXBdHStY0RUMznT.
    date published: 2026-07-08T03:20:19Z
    text: {"copyright_id":"0x3a5bf0908d007321d0966ef5da6c5d0978426810d374c72d58d5c1e15fc8b9f5","isrc":"JPPI02204070","name":"more than enough","registered_at":"2026-06-26T22:31:21Z","spotify_id":"4PbhhFZSXBdHStY0RUMznT","type":"track"}

Indra
type: MusicAlbum
date published: 2022-10-13
track: Indra
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269000
  explicit: false
  by artist: Jun Maeda
  by artist: yanaginagi
  in album: Indra
    type: MusicAlbum
    date published: 2022-10-13
  isrc code: JPE452200025
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T16:06:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xae1180f634cea0b7b5861223356c2b5ed6721080116221a4581e3d62e56e0b95
  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/4tb8URv4x1a560Nz3u6OCx.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4tb8URv4x1a560Nz3u6OCx
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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 0xae1180f634cea0b7b5861223356c2b5ed6721080116221a4581e3d62e56e0b95. 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/4tb8URv4x1a560Nz3u6OCx.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/4tb8URv4x1a560Nz3u6OCx.
    date published: 2026-07-08T03:53:27Z

Ginga Ryodan
type: MusicAlbum
date published: 2022-10-06
track: Ginga Ryodan
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279000
  explicit: false
  by artist: Jun Maeda
  by artist: yanaginagi
  in album: Ginga Ryodan
    type: MusicAlbum
    date published: 2022-10-06
  isrc code: JPE452200024
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T16:11:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x63084f71828e0cc5f12bad7b8d0d1099cf5b296fde3d0344eeab2158a3603c1f
  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/4qLm3p6gychg5UVEIZ9ioY.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4qLm3p6gychg5UVEIZ9ioY
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x63084f71828e0cc5f12bad7b8d0d1099cf5b296fde3d0344eeab2158a3603c1f","isrc":"JPE452200024","name":"Ginga Ryodan","registered_at":"2026-06-10T16:11:37Z","spotify_id":"4qLm3p6gychg5UVEIZ9ioY","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 0x63084f71828e0cc5f12bad7b8d0d1099cf5b296fde3d0344eeab2158a3603c1f. 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/4qLm3p6gychg5UVEIZ9ioY.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/4qLm3p6gychg5UVEIZ9ioY.
    date published: 2026-07-08T03:53:27Z
    text: {"copyright_id":"0x63084f71828e0cc5f12bad7b8d0d1099cf5b296fde3d0344eeab2158a3603c1f","isrc":"JPE452200024","name":"Ginga Ryodan","registered_at":"2026-06-10T16:11:37Z","spotify_id":"4qLm3p6gychg5UVEIZ9ioY","type":"track"}

Particle Effect
type: MusicAlbum
date published: 2022-09-22
track: Particle Effect
  type: MusicRecording
  duration: PT4M59S
  duration ms: 299000
  explicit: false
  by artist: Jun Maeda
  by artist: yanaginagi
  in album: Particle Effect
    type: MusicAlbum
    date published: 2022-09-22
  isrc code: JPE452200023
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T16:12:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb90e738fc0091db265522cf24db87d3c2db54d387815d92ddb31574d40ae706b
  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/3iD9dgCV3c4MLwHiwWFGPU.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3iD9dgCV3c4MLwHiwWFGPU
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb90e738fc0091db265522cf24db87d3c2db54d387815d92ddb31574d40ae706b","isrc":"JPE452200023","name":"Particle Effect","registered_at":"2026-06-10T16:12:24Z","spotify_id":"3iD9dgCV3c4MLwHiwWFGPU","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 0xb90e738fc0091db265522cf24db87d3c2db54d387815d92ddb31574d40ae706b. 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/3iD9dgCV3c4MLwHiwWFGPU.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/3iD9dgCV3c4MLwHiwWFGPU.
    date published: 2026-07-08T03:22:41Z
    text: {"copyright_id":"0xb90e738fc0091db265522cf24db87d3c2db54d387815d92ddb31574d40ae706b","isrc":"JPE452200023","name":"Particle Effect","registered_at":"2026-06-10T16:12:24Z","spotify_id":"3iD9dgCV3c4MLwHiwWFGPU","type":"track"}

Echo
type: MusicAlbum
date published: 2022-08-27
track: Echo
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254246
  explicit: false
  by artist: yanaginagi
  in album: Echo
    type: MusicAlbum
    date published: 2022-08-27
  isrc code: JPPI02202060
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T00:24:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1b5ae6eb9a6259970b69b1bb07f18c9b7ef15072ee7c87067490cef81dfcfa13
  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/0YWDflbRVe6ecAJj08VKGX.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0YWDflbRVe6ecAJj08VKGX
  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 0x1b5ae6eb9a6259970b69b1bb07f18c9b7ef15072ee7c87067490cef81dfcfa13. 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/0YWDflbRVe6ecAJj08VKGX.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/0YWDflbRVe6ecAJj08VKGX.
    date published: 2026-07-08T03:22:41Z

Light Years
type: MusicAlbum
date published: 2022-08-25
track: Light Years
  type: MusicRecording
  duration: PT4M44S
  duration ms: 284000
  explicit: false
  by artist: Jun Maeda
  by artist: yanaginagi
  in album: Light Years
    type: MusicAlbum
    date published: 2022-08-25
  isrc code: JPE452200016
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T02:29:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3b3fc6d8dc9b74f494fdf4ba5fdfc841240cea044e92ed9043f2aeaed095d7b1
  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/3ecQO58UPqX7ryAIlo8VPW.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3ecQO58UPqX7ryAIlo8VPW
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3b3fc6d8dc9b74f494fdf4ba5fdfc841240cea044e92ed9043f2aeaed095d7b1","isrc":"JPE452200016","name":"Light Years","registered_at":"2026-06-10T02:29:09Z","spotify_id":"3ecQO58UPqX7ryAIlo8VPW","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 0x3b3fc6d8dc9b74f494fdf4ba5fdfc841240cea044e92ed9043f2aeaed095d7b1. 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/3ecQO58UPqX7ryAIlo8VPW.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/3ecQO58UPqX7ryAIlo8VPW.
    date published: 2026-07-08T03:22:41Z
    text: {"copyright_id":"0x3b3fc6d8dc9b74f494fdf4ba5fdfc841240cea044e92ed9043f2aeaed095d7b1","isrc":"JPE452200016","name":"Light Years","registered_at":"2026-06-10T02:29:09Z","spotify_id":"3ecQO58UPqX7ryAIlo8VPW","type":"track"}

Hoshi no Bohyo
type: MusicAlbum
date published: 2022-08-11
track: Hoshi no Bohyo
  type: MusicRecording
  duration: PT4M19S
  duration ms: 259000
  explicit: false
  by artist: Jun Maeda
  by artist: yanaginagi
  in album: Hoshi no Bohyo
    type: MusicAlbum
    date published: 2022-08-11
  isrc code: JPE452200011
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T19:15:59+00:00

clouds in the water (feat. yanaginagi)
type: MusicRecording
duration: PT4M52S
duration ms: 292906
explicit: false
by artist: solfa
by artist: yanaginagi
in album: heart to heart
  type: MusicAlbum
  date published: 2010-01-15
isrc code: TCJPH1810046
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T22:55:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf4b5634e068a1b2748a0a3c7354529f61e6ff2520b80a7494e4cac81b5ea441d
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/68Dui5yXmdBCj7XtaZFzul.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/68Dui5yXmdBCj7XtaZFzul
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf4b5634e068a1b2748a0a3c7354529f61e6ff2520b80a7494e4cac81b5ea441d","isrc":"TCJPH1810046","name":"clouds in the water (feat. yanaginagi)","registered_at":"2026-06-20T22:55:06Z","spotify_id":"68Dui5yXmdBCj7XtaZFzul","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 0xf4b5634e068a1b2748a0a3c7354529f61e6ff2520b80a7494e4cac81b5ea441d. 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/68Dui5yXmdBCj7XtaZFzul.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/68Dui5yXmdBCj7XtaZFzul.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xf4b5634e068a1b2748a0a3c7354529f61e6ff2520b80a7494e4cac81b5ea441d","isrc":"TCJPH1810046","name":"clouds in the water (feat. yanaginagi)","registered_at":"2026-06-20T22:55:06Z","spotify_id":"68Dui5yXmdBCj7XtaZFzul","type":"track"}

Before I Rise
type: MusicRecording
duration: PT5M19S
duration ms: 319326
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200002
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T04:30:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc536ffc94cd71c86815bbe92f8f395473aa6b2cdf9baabdfbb2fd459f9946dd6
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/0SjWk4Beah9g6cBNTYLyR9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0SjWk4Beah9g6cBNTYLyR9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc536ffc94cd71c86815bbe92f8f395473aa6b2cdf9baabdfbb2fd459f9946dd6","isrc":"JPE452200002","name":"Before I Rise","registered_at":"2026-06-05T04:30:21Z","spotify_id":"0SjWk4Beah9g6cBNTYLyR9","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 0xc536ffc94cd71c86815bbe92f8f395473aa6b2cdf9baabdfbb2fd459f9946dd6. 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/0SjWk4Beah9g6cBNTYLyR9.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/0SjWk4Beah9g6cBNTYLyR9.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xc536ffc94cd71c86815bbe92f8f395473aa6b2cdf9baabdfbb2fd459f9946dd6","isrc":"JPE452200002","name":"Before I Rise","registered_at":"2026-06-05T04:30:21Z","spotify_id":"0SjWk4Beah9g6cBNTYLyR9","type":"track"}

Burn My Universe
type: MusicRecording
duration: PT4M58S
duration ms: 298847
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200003
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T09:50:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x71d013e5bde6b88f73726e064ea6aa0aa61324d863be6ebce74df64acc1ab0c3
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/2KClbTYYifel9Vwe8zyQ9f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2KClbTYYifel9Vwe8zyQ9f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x71d013e5bde6b88f73726e064ea6aa0aa61324d863be6ebce74df64acc1ab0c3","isrc":"JPE452200003","name":"Burn My Universe","registered_at":"2026-06-06T09:50:54Z","spotify_id":"2KClbTYYifel9Vwe8zyQ9f","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 0x71d013e5bde6b88f73726e064ea6aa0aa61324d863be6ebce74df64acc1ab0c3. 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/2KClbTYYifel9Vwe8zyQ9f.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/2KClbTYYifel9Vwe8zyQ9f.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x71d013e5bde6b88f73726e064ea6aa0aa61324d863be6ebce74df64acc1ab0c3","isrc":"JPE452200003","name":"Burn My Universe","registered_at":"2026-06-06T09:50:54Z","spotify_id":"2KClbTYYifel9Vwe8zyQ9f","type":"track"}

Everlasting Night
type: MusicRecording
duration: PT4M24S
duration ms: 264165
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T23:08:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6f26ad107c29a6ebad572019ed3e2a01a1fa7b7d01c9df8c97c9905cd1311a4e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6LDqKWWHhdRXxUrCaEqW6Q.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6LDqKWWHhdRXxUrCaEqW6Q
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6f26ad107c29a6ebad572019ed3e2a01a1fa7b7d01c9df8c97c9905cd1311a4e","isrc":"JPE452200007","name":"Everlasting Night","registered_at":"2026-06-06T23:08:30Z","spotify_id":"6LDqKWWHhdRXxUrCaEqW6Q","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 0x6f26ad107c29a6ebad572019ed3e2a01a1fa7b7d01c9df8c97c9905cd1311a4e. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6LDqKWWHhdRXxUrCaEqW6Q.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/6LDqKWWHhdRXxUrCaEqW6Q.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x6f26ad107c29a6ebad572019ed3e2a01a1fa7b7d01c9df8c97c9905cd1311a4e","isrc":"JPE452200007","name":"Everlasting Night","registered_at":"2026-06-06T23:08:30Z","spotify_id":"6LDqKWWHhdRXxUrCaEqW6Q","type":"track"}

Hoshino Bohyo
type: MusicRecording
duration: PT4M23S
duration ms: 263272
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:15:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x939f53b88380a5d0d4bbb46e95f8d9ec88b4c0bf459dd2d3571f13a92829b51c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0E6ocAg6Mejq9LO5VLNli5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0E6ocAg6Mejq9LO5VLNli5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x939f53b88380a5d0d4bbb46e95f8d9ec88b4c0bf459dd2d3571f13a92829b51c","isrc":"JPE452200011","name":"Hoshino Bohyo","registered_at":"2026-06-07T19:15:59Z","spotify_id":"0E6ocAg6Mejq9LO5VLNli5","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 0x939f53b88380a5d0d4bbb46e95f8d9ec88b4c0bf459dd2d3571f13a92829b51c. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0E6ocAg6Mejq9LO5VLNli5.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/0E6ocAg6Mejq9LO5VLNli5.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x939f53b88380a5d0d4bbb46e95f8d9ec88b4c0bf459dd2d3571f13a92829b51c","isrc":"JPE452200011","name":"Hoshino Bohyo","registered_at":"2026-06-07T19:15:59Z","spotify_id":"0E6ocAg6Mejq9LO5VLNli5","type":"track"}

Indigo in Blue
type: MusicRecording
duration: PT4M23S
duration ms: 263188
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:40:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8c2ccd7f401cf1c74f410ade8b741f9d12e1dd8633e23bb3bf781dc7cefea1ec
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/4G8uyY98NQGmAZ1SfwNmhb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4G8uyY98NQGmAZ1SfwNmhb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8c2ccd7f401cf1c74f410ade8b741f9d12e1dd8633e23bb3bf781dc7cefea1ec","isrc":"JPE452200008","name":"Indigo in Blue","registered_at":"2026-06-09T06:40:04Z","spotify_id":"4G8uyY98NQGmAZ1SfwNmhb","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 0x8c2ccd7f401cf1c74f410ade8b741f9d12e1dd8633e23bb3bf781dc7cefea1ec. 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/4G8uyY98NQGmAZ1SfwNmhb.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/4G8uyY98NQGmAZ1SfwNmhb.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x8c2ccd7f401cf1c74f410ade8b741f9d12e1dd8633e23bb3bf781dc7cefea1ec","isrc":"JPE452200008","name":"Indigo in Blue","registered_at":"2026-06-09T06:40:04Z","spotify_id":"4G8uyY98NQGmAZ1SfwNmhb","type":"track"}

Sad Creature
type: MusicRecording
duration: PT4M7S
duration ms: 247711
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T16:16:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x846ad01070672b610d83784d39447505cc9a6b4132c262d2f38455cc6e96cb8b
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/6rAt7UqY31iEcX1HqoiR3t.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6rAt7UqY31iEcX1HqoiR3t
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x846ad01070672b610d83784d39447505cc9a6b4132c262d2f38455cc6e96cb8b","isrc":"JPE452200009","name":"Sad Creature","registered_at":"2026-06-09T16:16:23Z","spotify_id":"6rAt7UqY31iEcX1HqoiR3t","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 0x846ad01070672b610d83784d39447505cc9a6b4132c262d2f38455cc6e96cb8b. 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/6rAt7UqY31iEcX1HqoiR3t.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/6rAt7UqY31iEcX1HqoiR3t.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x846ad01070672b610d83784d39447505cc9a6b4132c262d2f38455cc6e96cb8b","isrc":"JPE452200009","name":"Sad Creature","registered_at":"2026-06-09T16:16:23Z","spotify_id":"6rAt7UqY31iEcX1HqoiR3t","type":"track"}

Natsu Kikyu
type: MusicRecording
duration: PT5M23S
duration ms: 323803
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200058
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T15:59:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x22d271e35d4d031c86a003224ebce421825580023772de416e9a2bf81ae8542b
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/2h12G8mjbTOG8bEQBGKrtn.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2h12G8mjbTOG8bEQBGKrtn
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x22d271e35d4d031c86a003224ebce421825580023772de416e9a2bf81ae8542b","isrc":"JPE452200058","name":"Natsu Kikyu","registered_at":"2026-06-10T15:59:34Z","spotify_id":"2h12G8mjbTOG8bEQBGKrtn","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 0x22d271e35d4d031c86a003224ebce421825580023772de416e9a2bf81ae8542b. 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/2h12G8mjbTOG8bEQBGKrtn.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/2h12G8mjbTOG8bEQBGKrtn.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x22d271e35d4d031c86a003224ebce421825580023772de416e9a2bf81ae8542b","isrc":"JPE452200058","name":"Natsu Kikyu","registered_at":"2026-06-10T15:59:34Z","spotify_id":"2h12G8mjbTOG8bEQBGKrtn","type":"track"}

Particle Effect
type: MusicRecording
duration: PT5M2S
duration ms: 302679
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200023
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T16:12:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb90e738fc0091db265522cf24db87d3c2db54d387815d92ddb31574d40ae706b
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/0ap7w6Bsrw7nBO6wviVPG0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ap7w6Bsrw7nBO6wviVPG0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb90e738fc0091db265522cf24db87d3c2db54d387815d92ddb31574d40ae706b","isrc":"JPE452200023","name":"Particle Effect","registered_at":"2026-06-10T16:12:24Z","spotify_id":"0ap7w6Bsrw7nBO6wviVPG0","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 0xb90e738fc0091db265522cf24db87d3c2db54d387815d92ddb31574d40ae706b. 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/0ap7w6Bsrw7nBO6wviVPG0.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/0ap7w6Bsrw7nBO6wviVPG0.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xb90e738fc0091db265522cf24db87d3c2db54d387815d92ddb31574d40ae706b","isrc":"JPE452200023","name":"Particle Effect","registered_at":"2026-06-10T16:12:24Z","spotify_id":"0ap7w6Bsrw7nBO6wviVPG0","type":"track"}

Ginga Ryodan
type: MusicRecording
duration: PT4M44S
duration ms: 284117
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200024
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T16:11:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x63084f71828e0cc5f12bad7b8d0d1099cf5b296fde3d0344eeab2158a3603c1f
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/7lBYJ09t5aGlHdo7igUMSh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7lBYJ09t5aGlHdo7igUMSh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x63084f71828e0cc5f12bad7b8d0d1099cf5b296fde3d0344eeab2158a3603c1f","isrc":"JPE452200024","name":"Ginga Ryodan","registered_at":"2026-06-10T16:11:37Z","spotify_id":"7lBYJ09t5aGlHdo7igUMSh","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 0x63084f71828e0cc5f12bad7b8d0d1099cf5b296fde3d0344eeab2158a3603c1f. 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/7lBYJ09t5aGlHdo7igUMSh.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/7lBYJ09t5aGlHdo7igUMSh.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x63084f71828e0cc5f12bad7b8d0d1099cf5b296fde3d0344eeab2158a3603c1f","isrc":"JPE452200024","name":"Ginga Ryodan","registered_at":"2026-06-10T16:11:37Z","spotify_id":"7lBYJ09t5aGlHdo7igUMSh","type":"track"}

Indra
type: MusicRecording
duration: PT4M34S
duration ms: 274352
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200025
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T16:06:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xae1180f634cea0b7b5861223356c2b5ed6721080116221a4581e3d62e56e0b95
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/4mllnVsvrtRfqPrOQTaYOq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4mllnVsvrtRfqPrOQTaYOq
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 0xae1180f634cea0b7b5861223356c2b5ed6721080116221a4581e3d62e56e0b95. 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/4mllnVsvrtRfqPrOQTaYOq.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/4mllnVsvrtRfqPrOQTaYOq.
  date published: 2026-06-13T17:25:41Z

Light Years
type: MusicRecording
duration: PT4M48S
duration ms: 288376
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200016
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T02:29:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3b3fc6d8dc9b74f494fdf4ba5fdfc841240cea044e92ed9043f2aeaed095d7b1
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/02biKHwoeSMrAJjn2Q6jpV.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/02biKHwoeSMrAJjn2Q6jpV
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3b3fc6d8dc9b74f494fdf4ba5fdfc841240cea044e92ed9043f2aeaed095d7b1","isrc":"JPE452200016","name":"Light Years","registered_at":"2026-06-10T02:29:09Z","spotify_id":"02biKHwoeSMrAJjn2Q6jpV","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 0x3b3fc6d8dc9b74f494fdf4ba5fdfc841240cea044e92ed9043f2aeaed095d7b1. 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/02biKHwoeSMrAJjn2Q6jpV.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/02biKHwoeSMrAJjn2Q6jpV.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x3b3fc6d8dc9b74f494fdf4ba5fdfc841240cea044e92ed9043f2aeaed095d7b1","isrc":"JPE452200016","name":"Light Years","registered_at":"2026-06-10T02:29:09Z","spotify_id":"02biKHwoeSMrAJjn2Q6jpV","type":"track"}

Kimino Yokogao
type: MusicRecording
duration: PT5M50S
duration ms: 350969
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200012
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:14:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0b546614630d98c71632d7069108495d6e67d0b29bea517a90b45989227ae332
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1dvItFqhKx7knqbU0tIYyV.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1dvItFqhKx7knqbU0tIYyV
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0b546614630d98c71632d7069108495d6e67d0b29bea517a90b45989227ae332","isrc":"JPE452200012","name":"Kimino Yokogao","registered_at":"2026-06-07T19:14:48Z","spotify_id":"1dvItFqhKx7knqbU0tIYyV","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 0x0b546614630d98c71632d7069108495d6e67d0b29bea517a90b45989227ae332. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1dvItFqhKx7knqbU0tIYyV.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/1dvItFqhKx7knqbU0tIYyV.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x0b546614630d98c71632d7069108495d6e67d0b29bea517a90b45989227ae332","isrc":"JPE452200012","name":"Kimino Yokogao","registered_at":"2026-06-07T19:14:48Z","spotify_id":"1dvItFqhKx7knqbU0tIYyV","type":"track"}

White Spell
type: MusicRecording
duration: PT5M1S
duration ms: 301634
explicit: false
by artist: Jun Maeda
by artist: yanaginagi
in album: Love Song from the Water
  type: MusicAlbum
  date published: 2024-07-21
isrc code: JPE452200059
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T16:24:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf770478fb50d46ee0cc1e7293045a0230e35d37aba815205bead53b82e365c5f
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/3GH3jwTpTk4IFGY04dT9nf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3GH3jwTpTk4IFGY04dT9nf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf770478fb50d46ee0cc1e7293045a0230e35d37aba815205bead53b82e365c5f","isrc":"JPE452200059","name":"White Spell","registered_at":"2026-06-06T16:24:10Z","spotify_id":"3GH3jwTpTk4IFGY04dT9nf","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 0xf770478fb50d46ee0cc1e7293045a0230e35d37aba815205bead53b82e365c5f. 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/3GH3jwTpTk4IFGY04dT9nf.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/3GH3jwTpTk4IFGY04dT9nf.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xf770478fb50d46ee0cc1e7293045a0230e35d37aba815205bead53b82e365c5f","isrc":"JPE452200059","name":"White Spell","registered_at":"2026-06-06T16:24:10Z","spotify_id":"3GH3jwTpTk4IFGY04dT9nf","type":"track"}

guideroid
type: MusicRecording
duration: PT1M29S
duration ms: 89800
explicit: false
by artist: yanaginagi
in album: White Cube
  type: MusicAlbum
  date published: 2024-03-20
isrc code: JPPI02400030

Irokakusei
type: MusicRecording
duration: PT2M30S
duration ms: 150520
explicit: false
by artist: yanaginagi
in album: White Cube
  type: MusicAlbum
  date published: 2024-03-20
isrc code: JPPI02400040

Yukiharuame
type: MusicRecording
duration: PT4M29S
duration ms: 269960
explicit: false
by artist: yanaginagi
in album: White Cube
  type: MusicAlbum
  date published: 2024-03-20
isrc code: JPPI02300160
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T14:14:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x74259de3f7fc15f3bb825423a10db59c5fe3238b415e5e2d9eadb7d5526e37ec
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/52ePJfkgnlFrjR0jdyoR1U.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/52ePJfkgnlFrjR0jdyoR1U
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 0x74259de3f7fc15f3bb825423a10db59c5fe3238b415e5e2d9eadb7d5526e37ec. 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/52ePJfkgnlFrjR0jdyoR1U.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/52ePJfkgnlFrjR0jdyoR1U.
  date published: 2026-07-02T03:30:09Z

Rookie Thief
type: MusicRecording
duration: PT3M52S
duration ms: 232346
explicit: false
by artist: yanaginagi
in album: White Cube
  type: MusicAlbum
  date published: 2024-03-20
isrc code: JPPI02400050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T10:11:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb25f911411679a615625a7fbfe308428a31d71b2f0eb0e21ab56be2d122005a1
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/2tPuroy2cxDo5EIPMmBlGQ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2tPuroy2cxDo5EIPMmBlGQ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb25f911411679a615625a7fbfe308428a31d71b2f0eb0e21ab56be2d122005a1","isrc":"JPPI02400050","name":"Rookie Thief","registered_at":"2026-06-24T10:11:17Z","spotify_id":"2tPuroy2cxDo5EIPMmBlGQ","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 0xb25f911411679a615625a7fbfe308428a31d71b2f0eb0e21ab56be2d122005a1. 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/2tPuroy2cxDo5EIPMmBlGQ.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/2tPuroy2cxDo5EIPMmBlGQ.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xb25f911411679a615625a7fbfe308428a31d71b2f0eb0e21ab56be2d122005a1","isrc":"JPPI02400050","name":"Rookie Thief","registered_at":"2026-06-24T10:11:17Z","spotify_id":"2tPuroy2cxDo5EIPMmBlGQ","type":"track"}

Shirushibi
type: MusicRecording
duration: PT4M42S
duration ms: 282000
explicit: false
by artist: yanaginagi
in album: White Cube
  type: MusicAlbum
  date published: 2024-03-20
isrc code: JPPI02100900
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T09:48:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa5ba6c7fdd29d623eadf0201d2f0570151f2eae122b7b2a02a16a585899fee9b
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/25XBTrXmKICYENGSj0t63K.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/25XBTrXmKICYENGSj0t63K
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 0xa5ba6c7fdd29d623eadf0201d2f0570151f2eae122b7b2a02a16a585899fee9b. 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/25XBTrXmKICYENGSj0t63K.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/25XBTrXmKICYENGSj0t63K.
  date published: 2026-06-13T17:25:41Z

Inochibi
type: MusicRecording
duration: PT4M24S
duration ms: 264880
explicit: false
by artist: yanaginagi
in album: White Cube
  type: MusicAlbum
  date published: 2024-03-20
isrc code: JPPI02302810
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T14:14:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdb539f7c76880c70f955fd078be9f77a3fb385f82cba9a40cbc99f526cdfd8c7
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/57rTuQPqdf4bb4vnIJb6DK.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/57rTuQPqdf4bb4vnIJb6DK
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 0xdb539f7c76880c70f955fd078be9f77a3fb385f82cba9a40cbc99f526cdfd8c7. 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/57rTuQPqdf4bb4vnIJb6DK.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/57rTuQPqdf4bb4vnIJb6DK.
  date published: 2026-07-02T03:30:09Z