Jin
type: MusicGroup
genre: vocaloid
popularity: 49
followers: 130110
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x984e08265cfdac15d31f053740424c6f870eca061fa5dc67348566f5302293ea
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fba29a77-e3df-419b-9cac-cf7155fa9502.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fba29a77-e3df-419b-9cac-cf7155fa9502.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fba29a77-e3df-419b-9cac-cf7155fa9502
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x984e08265cfdac15d31f053740424c6f870eca061fa5dc67348566f5302293ea. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fba29a77-e3df-419b-9cac-cf7155fa9502.json and https://artists.proofprofile.net/proofs/artist/fba29a77-e3df-419b-9cac-cf7155fa9502.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
  track: Children Record
    type: MusicRecording
    duration: PT3M9S
    duration ms: 189164
    explicit: false
    by artist: Jin
    by artist: Maria
    in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
      type: MusicAlbum
      date published: 2015-06-03
    isrc code: JPQ941500011
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-06T09:00:05+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2050eaf04303b1c6e87536cd771b308045e0baefadfa2e5711b811f5fc5bd274
    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/7LrhQ2EWjjawLmGxv5Pd9J.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7LrhQ2EWjjawLmGxv5Pd9J
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T17:25:41Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x2050eaf04303b1c6e87536cd771b308045e0baefadfa2e5711b811f5fc5bd274","isrc":"JPQ941500011","name":"Children Record","registered_at":"2026-06-06T09:00:05Z","spotify_id":"7LrhQ2EWjjawLmGxv5Pd9J","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 0x2050eaf04303b1c6e87536cd771b308045e0baefadfa2e5711b811f5fc5bd274. 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/7LrhQ2EWjjawLmGxv5Pd9J.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/7LrhQ2EWjjawLmGxv5Pd9J.
      date published: 2026-06-13T17:25:41Z
      text: {"copyright_id":"0x2050eaf04303b1c6e87536cd771b308045e0baefadfa2e5711b811f5fc5bd274","isrc":"JPQ941500011","name":"Children Record","registered_at":"2026-06-06T09:00:05Z","spotify_id":"7LrhQ2EWjjawLmGxv5Pd9J","type":"track"}
  track: Kisaragi Attention
    type: MusicRecording
    duration: PT4M7S
    duration ms: 247780
    explicit: false
    by artist: Jin
    by artist: Luna Haruna
    in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
      type: MusicAlbum
      date published: 2015-06-03
    isrc code: JPQ941500012
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-07T12:14:17+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe2d6493bc21a4635e1ede4fc8746edab0715f63fdc5f8f232f0854f9630ad3f2
    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/5GSeGOPQYmLZMf0CaOaZLc.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5GSeGOPQYmLZMf0CaOaZLc
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T12:53:06Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0xe2d6493bc21a4635e1ede4fc8746edab0715f63fdc5f8f232f0854f9630ad3f2","isrc":"JPQ941500012","name":"Kisaragi Attention","registered_at":"2026-06-07T12:14:17Z","spotify_id":"5GSeGOPQYmLZMf0CaOaZLc","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 0xe2d6493bc21a4635e1ede4fc8746edab0715f63fdc5f8f232f0854f9630ad3f2. 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/5GSeGOPQYmLZMf0CaOaZLc.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/5GSeGOPQYmLZMf0CaOaZLc.
      date published: 2026-06-13T12:53:06Z
      text: {"copyright_id":"0xe2d6493bc21a4635e1ede4fc8746edab0715f63fdc5f8f232f0854f9630ad3f2","isrc":"JPQ941500012","name":"Kisaragi Attention","registered_at":"2026-06-07T12:14:17Z","spotify_id":"5GSeGOPQYmLZMf0CaOaZLc","type":"track"}
  track: Syounen Brave
    type: MusicRecording
    duration: PT4M45S
    duration ms: 285357
    explicit: false
    by artist: Jin
    by artist: Kimiko
    in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
      type: MusicAlbum
      date published: 2015-06-03
    isrc code: JPQ941500013
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-09T14:32:39+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x788f7dc9d42db365c8fd2b5d92752d7b71ec2a79adc8b487508a5d7a09682eb5
    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/3oqP9fv15bVGVa87NHNdYy.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3oqP9fv15bVGVa87NHNdYy
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T15:41:10Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x788f7dc9d42db365c8fd2b5d92752d7b71ec2a79adc8b487508a5d7a09682eb5","isrc":"JPQ941500013","name":"Syounen Brave","registered_at":"2026-06-09T14:32:39Z","spotify_id":"3oqP9fv15bVGVa87NHNdYy","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 0x788f7dc9d42db365c8fd2b5d92752d7b71ec2a79adc8b487508a5d7a09682eb5. 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/3oqP9fv15bVGVa87NHNdYy.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/3oqP9fv15bVGVa87NHNdYy.
      date published: 2026-06-13T15:41:10Z
      text: {"copyright_id":"0x788f7dc9d42db365c8fd2b5d92752d7b71ec2a79adc8b487508a5d7a09682eb5","isrc":"JPQ941500013","name":"Syounen Brave","registered_at":"2026-06-09T14:32:39Z","spotify_id":"3oqP9fv15bVGVa87NHNdYy","type":"track"}
  track: Yobanashi Deseive
    type: MusicRecording
    duration: PT3M21S
    duration ms: 201426
    explicit: false
    by artist: Jin
    by artist: LiSA
    by artist: Maria
    in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
      type: MusicAlbum
      date published: 2015-06-03
    isrc code: JPQ941500014
    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: Konoha No Sekaijijou
  track: Tomei Answer
  track: Outer Science
  track: Otsukimi Recital
  track: Marry No Kakuusekai
  track: Days - Re Ver.
  track: Summer Time Record
  track: Kachiki Na Kanojo No Sekaijijou
  track: Hontou No Kimochi Wo
  track: Ene
  track: You Know What?
  track: Unknown
  track: In Living Memory
  track: Natsu Ni Torawarete
  track: Tosou Sentai Rakugaki Ranger
  track: Hebi
  track: Hajimete
  track: Night Walk
  track: Azami No Mori
  track: Gekirin
  track: My Darling Marry
  track: Me Ni Yakitsuita Monogatari
  track: Mukiryoku Na Boku to Neechan To
  track: Kono Rifujin Na Sekai Ni Tsuite
  track: Shion
  track: The Gatling Children
  track: Kowasareta Sekai
  track: Kodomotachi No Souzou Suru Mirai He
  track: Natsu No Tsuduki Wo
  track: Gensoukyoku "Medousa"
track: Children Record
track: Euphoria
track: Children Record Ia&One Ver.
track: Lost Time Memory
track: Otsukimi Recital
track: 夜咄ディセイブ - STUDY WITH MIKU ver. -
track: Dance Robot Dance - Arrange Medley (Chimera ver.) HarumkaiGohanxNILFRUITSxWADATAKEAKIxKuriyama Yuri (Hachiya Nanashi)xJinxKairiki bearxteniwohaxChinozoxPINOCCHIOPxinabakumorixhifumixAqu3raxNe
track: Nihonbashi Koukashita R Keikaku
track: Headphone Actor
track: Tha F.Q's Style
track: 如月アテンション
track: Kisaragi Attention
track: Syounen Brave
track: Yobanashi Deseive
track: Konoha No Sekaijijou
track: Tomei Answer
track: Outer Science
track: Marry No Kakuusekai

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-05T07:47:19+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x8654ce6a57dde257b11fe8c9b752bf9019f898de4da1ed1380a71063d1a68822

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953528

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953528

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/0mkNGxmIlBCtkNeWr0PY0n.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0mkNGxmIlBCtkNeWr0PY0n

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

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x8654ce6a57dde257b11fe8c9b752bf9019f898de4da1ed1380a71063d1a68822","isrc":"JPQ941500014","name":"Yobanashi Deseive","registered_at":"2026-06-05T07:47:19Z","spotify_id":"0mkNGxmIlBCtkNeWr0PY0n","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 0x8654ce6a57dde257b11fe8c9b752bf9019f898de4da1ed1380a71063d1a68822. 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/0mkNGxmIlBCtkNeWr0PY0n.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/0mkNGxmIlBCtkNeWr0PY0n.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0x8654ce6a57dde257b11fe8c9b752bf9019f898de4da1ed1380a71063d1a68822","isrc":"JPQ941500014","name":"Yobanashi Deseive","registered_at":"2026-06-05T07:47:19Z","spotify_id":"0mkNGxmIlBCtkNeWr0PY0n","type":"track"}

Konoha No Sekaijijou
type: MusicRecording
duration: PT3M15S
duration ms: 195426
explicit: false
by artist: Jin
by artist: Nanou
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500015
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T15:26:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8ad0aa0d47ffa59e2e10508503d20488a65ef4008bdae3252f083ff28dae7731
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/7tNHQtzoO7OS56hjT8j752.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7tNHQtzoO7OS56hjT8j752
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8ad0aa0d47ffa59e2e10508503d20488a65ef4008bdae3252f083ff28dae7731","isrc":"JPQ941500015","name":"Konoha No Sekaijijou","registered_at":"2026-06-09T15:26:17Z","spotify_id":"7tNHQtzoO7OS56hjT8j752","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 0x8ad0aa0d47ffa59e2e10508503d20488a65ef4008bdae3252f083ff28dae7731. 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/7tNHQtzoO7OS56hjT8j752.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/7tNHQtzoO7OS56hjT8j752.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x8ad0aa0d47ffa59e2e10508503d20488a65ef4008bdae3252f083ff28dae7731","isrc":"JPQ941500015","name":"Konoha No Sekaijijou","registered_at":"2026-06-09T15:26:17Z","spotify_id":"7tNHQtzoO7OS56hjT8j752","type":"track"}

Tomei Answer
type: MusicRecording
duration: PT4M30S
duration ms: 270821
explicit: false
by artist: Jin
by artist: Taguchi Shoichi
by artist: Annabel
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500016
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T18:27:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6fd449ebd7d50392c22d2e7fec01161a0798b8db1c35aa1cc522dafc8f2cc477
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/2p4s3x2hPk2eNGGiipHEqR.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2p4s3x2hPk2eNGGiipHEqR
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6fd449ebd7d50392c22d2e7fec01161a0798b8db1c35aa1cc522dafc8f2cc477","isrc":"JPQ941500016","name":"Tomei Answer","registered_at":"2026-06-07T18:27:35Z","spotify_id":"2p4s3x2hPk2eNGGiipHEqR","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 0x6fd449ebd7d50392c22d2e7fec01161a0798b8db1c35aa1cc522dafc8f2cc477. 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/2p4s3x2hPk2eNGGiipHEqR.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/2p4s3x2hPk2eNGGiipHEqR.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x6fd449ebd7d50392c22d2e7fec01161a0798b8db1c35aa1cc522dafc8f2cc477","isrc":"JPQ941500016","name":"Tomei Answer","registered_at":"2026-06-07T18:27:35Z","spotify_id":"2p4s3x2hPk2eNGGiipHEqR","type":"track"}

Outer Science
type: MusicRecording
duration: PT4M59S
duration ms: 299398
explicit: false
by artist: Jin
by artist: One
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500017
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T10:31:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2d8ad4faad2e53be6566b7325cc2895deda07780bb2f4220bf98cbccf49cbd88
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/58BT2ZbcwwToftTMpkgS4c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/58BT2ZbcwwToftTMpkgS4c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2d8ad4faad2e53be6566b7325cc2895deda07780bb2f4220bf98cbccf49cbd88","isrc":"JPQ941500017","name":"Outer Science","registered_at":"2026-06-08T10:31:24Z","spotify_id":"58BT2ZbcwwToftTMpkgS4c","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 0x2d8ad4faad2e53be6566b7325cc2895deda07780bb2f4220bf98cbccf49cbd88. 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/58BT2ZbcwwToftTMpkgS4c.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/58BT2ZbcwwToftTMpkgS4c.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x2d8ad4faad2e53be6566b7325cc2895deda07780bb2f4220bf98cbccf49cbd88","isrc":"JPQ941500017","name":"Outer Science","registered_at":"2026-06-08T10:31:24Z","spotify_id":"58BT2ZbcwwToftTMpkgS4c","type":"track"}

Otsukimi Recital
type: MusicRecording
duration: PT3M50S
duration ms: 230281
explicit: false
by artist: Jin
by artist: IA
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500018
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T18:14:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb6af0a1c97ec1821f4401116601d052a104579638f0c65c2db0ce8dc7906b6b5
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/1ErvrGw5omZOwzgC4xyfJB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ErvrGw5omZOwzgC4xyfJB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb6af0a1c97ec1821f4401116601d052a104579638f0c65c2db0ce8dc7906b6b5","isrc":"JPQ941500018","name":"Otsukimi Recital","registered_at":"2026-06-08T18:14:06Z","spotify_id":"1ErvrGw5omZOwzgC4xyfJB","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 0xb6af0a1c97ec1821f4401116601d052a104579638f0c65c2db0ce8dc7906b6b5. 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/1ErvrGw5omZOwzgC4xyfJB.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/1ErvrGw5omZOwzgC4xyfJB.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xb6af0a1c97ec1821f4401116601d052a104579638f0c65c2db0ce8dc7906b6b5","isrc":"JPQ941500018","name":"Otsukimi Recital","registered_at":"2026-06-08T18:14:06Z","spotify_id":"1ErvrGw5omZOwzgC4xyfJB","type":"track"}

Marry No Kakuusekai
type: MusicRecording
duration: PT3M39S
duration ms: 219008
explicit: false
by artist: Jin
by artist: Lia
by artist: Maya
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500019
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T20:57:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdc44d6e237e8d2f59862437c25c54e9cb3228f38635ad1c78cb94748bb88d925
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/4q3X0QNKDgoA6JtElsInCx.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4q3X0QNKDgoA6JtElsInCx
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdc44d6e237e8d2f59862437c25c54e9cb3228f38635ad1c78cb94748bb88d925","isrc":"JPQ941500019","name":"Marry No Kakuusekai","registered_at":"2026-06-20T20:57:46Z","spotify_id":"4q3X0QNKDgoA6JtElsInCx","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 0xdc44d6e237e8d2f59862437c25c54e9cb3228f38635ad1c78cb94748bb88d925. 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/4q3X0QNKDgoA6JtElsInCx.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/4q3X0QNKDgoA6JtElsInCx.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xdc44d6e237e8d2f59862437c25c54e9cb3228f38635ad1c78cb94748bb88d925","isrc":"JPQ941500019","name":"Marry No Kakuusekai","registered_at":"2026-06-20T20:57:46Z","spotify_id":"4q3X0QNKDgoA6JtElsInCx","type":"track"}

Days - Re Ver.
type: MusicRecording
duration: PT5M46S
duration ms: 346487
explicit: false
by artist: Jin
by artist: Lia
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500020
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T10:39:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x344be65659ee8fbd29d43e240f0ab7b3a30cb7e4c6d24e644c379b596f573ba5
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/2clXNIYMyjFD1jHIbAyklh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2clXNIYMyjFD1jHIbAyklh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x344be65659ee8fbd29d43e240f0ab7b3a30cb7e4c6d24e644c379b596f573ba5","isrc":"JPQ941500020","name":"Days - Re Ver.","registered_at":"2026-06-08T10:39:25Z","spotify_id":"2clXNIYMyjFD1jHIbAyklh","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 0x344be65659ee8fbd29d43e240f0ab7b3a30cb7e4c6d24e644c379b596f573ba5. 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/2clXNIYMyjFD1jHIbAyklh.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/2clXNIYMyjFD1jHIbAyklh.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x344be65659ee8fbd29d43e240f0ab7b3a30cb7e4c6d24e644c379b596f573ba5","isrc":"JPQ941500020","name":"Days - Re Ver.","registered_at":"2026-06-08T10:39:25Z","spotify_id":"2clXNIYMyjFD1jHIbAyklh","type":"track"}

Summer Time Record
type: MusicRecording
duration: PT4M38S
duration ms: 278833
explicit: false
by artist: Jin
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500021
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T02:15:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4ac300f1118461418c5845e5e6ff4f34897656adf8c00a8da43d5d212afec64c
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/2HCbrmrmqLFVxKOXtLsySr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2HCbrmrmqLFVxKOXtLsySr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4ac300f1118461418c5845e5e6ff4f34897656adf8c00a8da43d5d212afec64c","isrc":"JPQ941500021","name":"Summer Time Record","registered_at":"2026-06-06T02:15:30Z","spotify_id":"2HCbrmrmqLFVxKOXtLsySr","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 0x4ac300f1118461418c5845e5e6ff4f34897656adf8c00a8da43d5d212afec64c. 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/2HCbrmrmqLFVxKOXtLsySr.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/2HCbrmrmqLFVxKOXtLsySr.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x4ac300f1118461418c5845e5e6ff4f34897656adf8c00a8da43d5d212afec64c","isrc":"JPQ941500021","name":"Summer Time Record","registered_at":"2026-06-06T02:15:30Z","spotify_id":"2HCbrmrmqLFVxKOXtLsySr","type":"track"}

Kachiki Na Kanojo No Sekaijijou
type: MusicRecording
duration: PT1M10S
duration ms: 70906
explicit: false
by artist: ANANT-GARDE EYES
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500054
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T15:39:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4bd462ee9fd81e971c940c118ef12e935b692d2cc9cff28be992f990f808ba4f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956351
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4G3seVOuBZjzax5wxx4Zry.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4G3seVOuBZjzax5wxx4Zry
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4bd462ee9fd81e971c940c118ef12e935b692d2cc9cff28be992f990f808ba4f","isrc":"JPQ941500054","name":"Kachiki Na Kanojo No Sekaijijou","registered_at":"2026-06-26T15:39:19Z","spotify_id":"4G3seVOuBZjzax5wxx4Zry","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 0x4bd462ee9fd81e971c940c118ef12e935b692d2cc9cff28be992f990f808ba4f. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4G3seVOuBZjzax5wxx4Zry.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/4G3seVOuBZjzax5wxx4Zry.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0x4bd462ee9fd81e971c940c118ef12e935b692d2cc9cff28be992f990f808ba4f","isrc":"JPQ941500054","name":"Kachiki Na Kanojo No Sekaijijou","registered_at":"2026-06-26T15:39:19Z","spotify_id":"4G3seVOuBZjzax5wxx4Zry","type":"track"}

Hontou No Kimochi Wo
type: MusicRecording
duration: PT2M12S
duration ms: 132013
explicit: false
by artist: ANANT-GARDE EYES
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500055

Ene
type: MusicRecording
duration: PT2M16S
duration ms: 136466
explicit: false
by artist: ANANT-GARDE EYES
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500056

You Know What?
type: MusicRecording
duration: PT2M19S
duration ms: 139133
explicit: false
by artist: ANANT-GARDE EYES
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500057

Unknown
type: MusicRecording
duration: PT2M21S
duration ms: 141453
explicit: false
by artist: Shinjiro Shirakami
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500058

In Living Memory
type: MusicRecording
duration: PT2M14S
duration ms: 134600
explicit: false
by artist: Shinjiro Shirakami
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500059

Natsu Ni Torawarete
type: MusicRecording
duration: PT4M5S
duration ms: 245293
explicit: false
by artist: Shinjiro Shirakami
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500060

Tosou Sentai Rakugaki Ranger
type: MusicRecording
duration: PT2M4S
duration ms: 124000
explicit: false
by artist: ANANT-GARDE EYES
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500061

Hebi
type: MusicRecording
duration: PT8M53S
duration ms: 533546
explicit: false
by artist: ANANT-GARDE EYES
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500062

Hajimete
type: MusicRecording
duration: PT1M39S
duration ms: 99253
explicit: false
by artist: ANANT-GARDE EYES
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500063

Night Walk
type: MusicRecording
duration: PT1M58S
duration ms: 118200
explicit: false
by artist: ANANT-GARDE EYES
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500064

Azami No Mori
type: MusicRecording
duration: PT4M29S
duration ms: 269173
explicit: false
by artist: Ryousuke Nakanishi
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500065

Gekirin
type: MusicRecording
duration: PT3M1S
duration ms: 181533
explicit: false
by artist: TeddyLoid
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500066

My Darling Marry
type: MusicRecording
duration: PT2M20S
duration ms: 140960
explicit: false
by artist: ANANT-GARDE EYES
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500067

Me Ni Yakitsuita Monogatari
type: MusicRecording
duration: PT2M7S
duration ms: 127560
explicit: false
by artist: Jin
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500068

Mukiryoku Na Boku to Neechan To
type: MusicRecording
duration: PT2M34S
duration ms: 154933
explicit: false
by artist: ANANT-GARDE EYES
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500069

Kono Rifujin Na Sekai Ni Tsuite
type: MusicRecording
duration: PT2M51S
duration ms: 171520
explicit: false
by artist: Ryousuke Nakanishi
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500070

Shion
type: MusicRecording
duration: PT2M24S
duration ms: 144693
explicit: false
by artist: ANANT-GARDE EYES
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500071

The Gatling Children
type: MusicRecording
duration: PT2M17S
duration ms: 137266
explicit: false
by artist: Yoshimitsu Taki
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500072

Kowasareta Sekai
type: MusicRecording
duration: PT2M26S
duration ms: 146800
explicit: false
by artist: ANANT-GARDE EYES
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500073

Kodomotachi No Souzou Suru Mirai He
type: MusicRecording
duration: PT2M26S
duration ms: 146746
explicit: false
by artist: ANANT-GARDE EYES
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500074

Natsu No Tsuduki Wo
type: MusicRecording
duration: PT2M29S
duration ms: 149493
explicit: false
by artist: Jin
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500075

Gensoukyoku "Medousa"
type: MusicRecording
duration: PT9M44S
duration ms: 584453
explicit: false
by artist: Jin
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500076

Children Record
type: MusicRecording
duration: PT3M9S
duration ms: 189164
explicit: false
by artist: Jin
by artist: Maria
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T09:00:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2050eaf04303b1c6e87536cd771b308045e0baefadfa2e5711b811f5fc5bd274
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/7LrhQ2EWjjawLmGxv5Pd9J.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7LrhQ2EWjjawLmGxv5Pd9J
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2050eaf04303b1c6e87536cd771b308045e0baefadfa2e5711b811f5fc5bd274","isrc":"JPQ941500011","name":"Children Record","registered_at":"2026-06-06T09:00:05Z","spotify_id":"7LrhQ2EWjjawLmGxv5Pd9J","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 0x2050eaf04303b1c6e87536cd771b308045e0baefadfa2e5711b811f5fc5bd274. 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/7LrhQ2EWjjawLmGxv5Pd9J.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/7LrhQ2EWjjawLmGxv5Pd9J.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x2050eaf04303b1c6e87536cd771b308045e0baefadfa2e5711b811f5fc5bd274","isrc":"JPQ941500011","name":"Children Record","registered_at":"2026-06-06T09:00:05Z","spotify_id":"7LrhQ2EWjjawLmGxv5Pd9J","type":"track"}

Euphoria
type: MusicRecording
duration: PT4M50S
duration ms: 290600
explicit: false
by artist: Jin
in album: Ia/04 - Star-
  type: MusicAlbum
  date published: 2018-05-16
isrc code: JPQ941800001
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x020692e55df2be04069c67d7c785c6f49bcaadcdc0f256de46c83ebaefee81b7
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/6mquzth5zan1nhVQByLMuX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6mquzth5zan1nhVQByLMuX
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 0x020692e55df2be04069c67d7c785c6f49bcaadcdc0f256de46c83ebaefee81b7. 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/6mquzth5zan1nhVQByLMuX.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/6mquzth5zan1nhVQByLMuX.
  date published: 2026-07-02T05:09:12Z

Children Record Ia&One Ver.
type: MusicRecording
duration: PT3M9S
duration ms: 189000
explicit: false
by artist: Jin
in album: Ia/04 - Star-
  type: MusicAlbum
  date published: 2018-05-16
isrc code: JPQ941800003

Children Record
type: MusicRecording
duration: PT3M2S
duration ms: 182773
explicit: false
by artist: Jin
in album: IA SUPER BEST -THE CREATORS -
  type: MusicAlbum
  date published: 2022-01-19
isrc code: JPQ941200092
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T18:12:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x003b2c5cf8047397601470b93542d06398c729eb424436d410990b11ca55ff96
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/54YFzBlshXmQHMDetrC8g7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/54YFzBlshXmQHMDetrC8g7
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x003b2c5cf8047397601470b93542d06398c729eb424436d410990b11ca55ff96","isrc":"JPQ941200092","name":"Children Record","registered_at":"2026-06-25T18:12:43Z","spotify_id":"54YFzBlshXmQHMDetrC8g7","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 0x003b2c5cf8047397601470b93542d06398c729eb424436d410990b11ca55ff96. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/54YFzBlshXmQHMDetrC8g7.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/54YFzBlshXmQHMDetrC8g7.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x003b2c5cf8047397601470b93542d06398c729eb424436d410990b11ca55ff96","isrc":"JPQ941200092","name":"Children Record","registered_at":"2026-06-25T18:12:43Z","spotify_id":"54YFzBlshXmQHMDetrC8g7","type":"track"}

Lost Time Memory
type: MusicRecording
duration: PT4M44S
duration ms: 284800
explicit: false
by artist: Jin
in album: IA SUPER BEST -THE CREATORS -
  type: MusicAlbum
  date published: 2022-01-19
isrc code: JPQ941500009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T22:52:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe724b4f1975ed8c51a770659302e84a3b4cda1b6314107296a40741e29d03e83
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5JSNVTy3twvLc9XBGsnj4t.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5JSNVTy3twvLc9XBGsnj4t
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe724b4f1975ed8c51a770659302e84a3b4cda1b6314107296a40741e29d03e83","isrc":"JPQ941500009","name":"Lost Time Memory","registered_at":"2026-06-17T22:52:54Z","spotify_id":"5JSNVTy3twvLc9XBGsnj4t","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 0xe724b4f1975ed8c51a770659302e84a3b4cda1b6314107296a40741e29d03e83. 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/5JSNVTy3twvLc9XBGsnj4t.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/5JSNVTy3twvLc9XBGsnj4t.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xe724b4f1975ed8c51a770659302e84a3b4cda1b6314107296a40741e29d03e83","isrc":"JPQ941500009","name":"Lost Time Memory","registered_at":"2026-06-17T22:52:54Z","spotify_id":"5JSNVTy3twvLc9XBGsnj4t","type":"track"}

Otsukimi Recital
type: MusicRecording
duration: PT3M48S
duration ms: 228013
explicit: false
by artist: Jin
in album: IA SUPER BEST -THE CREATORS -
  type: MusicAlbum
  date published: 2022-01-19
isrc code: JPQ941500018
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T18:14:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb6af0a1c97ec1821f4401116601d052a104579638f0c65c2db0ce8dc7906b6b5
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957120
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0bp8LIVsTpLflSYF5ZtzsD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0bp8LIVsTpLflSYF5ZtzsD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb6af0a1c97ec1821f4401116601d052a104579638f0c65c2db0ce8dc7906b6b5","isrc":"JPQ941500018","name":"Otsukimi Recital","registered_at":"2026-06-08T18:14:06Z","spotify_id":"0bp8LIVsTpLflSYF5ZtzsD","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 0xb6af0a1c97ec1821f4401116601d052a104579638f0c65c2db0ce8dc7906b6b5. 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/0bp8LIVsTpLflSYF5ZtzsD.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/0bp8LIVsTpLflSYF5ZtzsD.
  date published: 2026-07-08T03:22:41Z
  text: {"copyright_id":"0xb6af0a1c97ec1821f4401116601d052a104579638f0c65c2db0ce8dc7906b6b5","isrc":"JPQ941500018","name":"Otsukimi Recital","registered_at":"2026-06-08T18:14:06Z","spotify_id":"0bp8LIVsTpLflSYF5ZtzsD","type":"track"}

夜咄ディセイブ - STUDY WITH MIKU ver. -
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duration: PT3M56S
duration ms: 236260
explicit: false
by artist: Jin
in album: STUDY WITH MIKU part3
  type: MusicAlbum
  date published: 2023-12-01
isrc code: JP92Q2302046
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T16:26:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xebf51cd9fa29af438952939e4bd172c28d497f6eb0ec4f7c74cafec219efcced
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1r3vtnmZZfztXN3ci0pHGy.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1r3vtnmZZfztXN3ci0pHGy
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xebf51cd9fa29af438952939e4bd172c28d497f6eb0ec4f7c74cafec219efcced","isrc":"JP92Q2302046","name":"夜咄ディセイブ - STUDY WITH MIKU ver. -","registered_at":"2026-06-10T16:26:36Z","spotify_id":"1r3vtnmZZfztXN3ci0pHGy","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 0xebf51cd9fa29af438952939e4bd172c28d497f6eb0ec4f7c74cafec219efcced. 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/1r3vtnmZZfztXN3ci0pHGy.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/1r3vtnmZZfztXN3ci0pHGy.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xebf51cd9fa29af438952939e4bd172c28d497f6eb0ec4f7c74cafec219efcced","isrc":"JP92Q2302046","name":"夜咄ディセイブ - STUDY WITH MIKU ver. -","registered_at":"2026-06-10T16:26:36Z","spotify_id":"1r3vtnmZZfztXN3ci0pHGy","type":"track"}

Dance Robot Dance - Arrange Medley (Chimera ver.) HarumkaiGohanxNILFRUITSxWADATAKEAKIxKuriyama Yuri (Hachiya Nanashi)xJinxKairiki bearxteniwohaxChinozoxPINOCCHIOPxinabakumorixhifumixAqu3raxNe
type: MusicRecording
duration: PT3M2S
duration ms: 182013
explicit: false
by artist: Harumakigohan
by artist: NILFRUITS
by artist: 和田たけあき
by artist: Kuriyama Yuri
by artist: Jin
by artist: Kairikibear
by artist: Teniwoha
by artist: Chinozo
by artist: PinocchioP
by artist: inabakumori
by artist: hifumi
by artist: Aqu3ra
by artist: Neru
by artist: Nayutalien
in album: CHIMERA
  type: MusicAlbum
  date published: 2021-10-16
isrc code: JPZ922110623

Nihonbashi Koukashita R Keikaku
type: MusicRecording
duration: PT2M48S
duration ms: 168080
explicit: false
by artist: Jin
by artist: IA
in album: IA/01 -BIRTH- MD
  type: MusicAlbum
  date published: 2012-04-25
isrc code: JPQ941200003
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T23:38:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x27632c5c2c2e0fedb5191daaf8694a83691aa773bec656be5be19a040c6ada0a
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6I3zUfYRe92LBcaM7sPwbL.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6I3zUfYRe92LBcaM7sPwbL
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x27632c5c2c2e0fedb5191daaf8694a83691aa773bec656be5be19a040c6ada0a","isrc":"JPQ941200003","name":"Nihonbashi Koukashita R Keikaku","registered_at":"2026-06-20T23:38:03Z","spotify_id":"6I3zUfYRe92LBcaM7sPwbL","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 0x27632c5c2c2e0fedb5191daaf8694a83691aa773bec656be5be19a040c6ada0a. 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/6I3zUfYRe92LBcaM7sPwbL.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/6I3zUfYRe92LBcaM7sPwbL.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x27632c5c2c2e0fedb5191daaf8694a83691aa773bec656be5be19a040c6ada0a","isrc":"JPQ941200003","name":"Nihonbashi Koukashita R Keikaku","registered_at":"2026-06-20T23:38:03Z","spotify_id":"6I3zUfYRe92LBcaM7sPwbL","type":"track"}

Headphone Actor
type: MusicRecording
duration: PT3M36S
duration ms: 216400
explicit: false
by artist: Jin
by artist: IA
in album: IA/01 -BIRTH- MD
  type: MusicAlbum
  date published: 2012-04-25
isrc code: JPQ941200017
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T04:22:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x42e58166315613ac158526a1c367f978b7df81c2eb6433d117ff8af1404b0409
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/1dnrwyTFfCbLt9tMgZK1e2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1dnrwyTFfCbLt9tMgZK1e2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x42e58166315613ac158526a1c367f978b7df81c2eb6433d117ff8af1404b0409","isrc":"JPQ941200017","name":"Headphone Actor","registered_at":"2026-06-20T04:22:13Z","spotify_id":"1dnrwyTFfCbLt9tMgZK1e2","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 0x42e58166315613ac158526a1c367f978b7df81c2eb6433d117ff8af1404b0409. 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/1dnrwyTFfCbLt9tMgZK1e2.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/1dnrwyTFfCbLt9tMgZK1e2.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x42e58166315613ac158526a1c367f978b7df81c2eb6433d117ff8af1404b0409","isrc":"JPQ941200017","name":"Headphone Actor","registered_at":"2026-06-20T04:22:13Z","spotify_id":"1dnrwyTFfCbLt9tMgZK1e2","type":"track"}

Tha F.Q's Style
type: MusicRecording
duration: PT3M54S
duration ms: 234026
explicit: false
by artist: Foxxi misQ
by artist: Jin
in album: GLOSS
  type: MusicAlbum
  date published: 2007-06-27
isrc code: JPN000600177
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T18:16:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x18a7d7be2866fa11333e5d4ec9b6e3c645311f9717eca2b679ae641c87082c11
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5buB3pH2Vkkg7ZPPo545OE.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5buB3pH2Vkkg7ZPPo545OE
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x18a7d7be2866fa11333e5d4ec9b6e3c645311f9717eca2b679ae641c87082c11","isrc":"JPN000600177","name":"Tha F.Q's Style","registered_at":"2026-06-25T18:16:01Z","spotify_id":"5buB3pH2Vkkg7ZPPo545OE","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 0x18a7d7be2866fa11333e5d4ec9b6e3c645311f9717eca2b679ae641c87082c11. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5buB3pH2Vkkg7ZPPo545OE.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/5buB3pH2Vkkg7ZPPo545OE.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x18a7d7be2866fa11333e5d4ec9b6e3c645311f9717eca2b679ae641c87082c11","isrc":"JPN000600177","name":"Tha F.Q's Style","registered_at":"2026-06-25T18:16:01Z","spotify_id":"5buB3pH2Vkkg7ZPPo545OE","type":"track"}

如月アテンション
type: MusicRecording
duration: PT4M8S
duration ms: 248093
explicit: false
by artist: Jin
by artist: Luna Haruna
in album: LUNA JOULE (Extra Edition)
  type: MusicAlbum
  date published: 2018-11-07

Kisaragi Attention
type: MusicRecording
duration: PT4M7S
duration ms: 247780
explicit: false
by artist: Jin
by artist: Luna Haruna
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500012
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:14:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe2d6493bc21a4635e1ede4fc8746edab0715f63fdc5f8f232f0854f9630ad3f2
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/5GSeGOPQYmLZMf0CaOaZLc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5GSeGOPQYmLZMf0CaOaZLc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe2d6493bc21a4635e1ede4fc8746edab0715f63fdc5f8f232f0854f9630ad3f2","isrc":"JPQ941500012","name":"Kisaragi Attention","registered_at":"2026-06-07T12:14:17Z","spotify_id":"5GSeGOPQYmLZMf0CaOaZLc","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 0xe2d6493bc21a4635e1ede4fc8746edab0715f63fdc5f8f232f0854f9630ad3f2. 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/5GSeGOPQYmLZMf0CaOaZLc.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/5GSeGOPQYmLZMf0CaOaZLc.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0xe2d6493bc21a4635e1ede4fc8746edab0715f63fdc5f8f232f0854f9630ad3f2","isrc":"JPQ941500012","name":"Kisaragi Attention","registered_at":"2026-06-07T12:14:17Z","spotify_id":"5GSeGOPQYmLZMf0CaOaZLc","type":"track"}

Syounen Brave
type: MusicRecording
duration: PT4M45S
duration ms: 285357
explicit: false
by artist: Jin
by artist: Kimiko
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500013
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T14:32:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x788f7dc9d42db365c8fd2b5d92752d7b71ec2a79adc8b487508a5d7a09682eb5
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/3oqP9fv15bVGVa87NHNdYy.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3oqP9fv15bVGVa87NHNdYy
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x788f7dc9d42db365c8fd2b5d92752d7b71ec2a79adc8b487508a5d7a09682eb5","isrc":"JPQ941500013","name":"Syounen Brave","registered_at":"2026-06-09T14:32:39Z","spotify_id":"3oqP9fv15bVGVa87NHNdYy","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 0x788f7dc9d42db365c8fd2b5d92752d7b71ec2a79adc8b487508a5d7a09682eb5. 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/3oqP9fv15bVGVa87NHNdYy.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/3oqP9fv15bVGVa87NHNdYy.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x788f7dc9d42db365c8fd2b5d92752d7b71ec2a79adc8b487508a5d7a09682eb5","isrc":"JPQ941500013","name":"Syounen Brave","registered_at":"2026-06-09T14:32:39Z","spotify_id":"3oqP9fv15bVGVa87NHNdYy","type":"track"}

Yobanashi Deseive
type: MusicRecording
duration: PT3M21S
duration ms: 201426
explicit: false
by artist: Jin
by artist: LiSA
by artist: Maria
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500014
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T07:47:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8654ce6a57dde257b11fe8c9b752bf9019f898de4da1ed1380a71063d1a68822
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/0mkNGxmIlBCtkNeWr0PY0n.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0mkNGxmIlBCtkNeWr0PY0n
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8654ce6a57dde257b11fe8c9b752bf9019f898de4da1ed1380a71063d1a68822","isrc":"JPQ941500014","name":"Yobanashi Deseive","registered_at":"2026-06-05T07:47:19Z","spotify_id":"0mkNGxmIlBCtkNeWr0PY0n","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 0x8654ce6a57dde257b11fe8c9b752bf9019f898de4da1ed1380a71063d1a68822. 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/0mkNGxmIlBCtkNeWr0PY0n.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/0mkNGxmIlBCtkNeWr0PY0n.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x8654ce6a57dde257b11fe8c9b752bf9019f898de4da1ed1380a71063d1a68822","isrc":"JPQ941500014","name":"Yobanashi Deseive","registered_at":"2026-06-05T07:47:19Z","spotify_id":"0mkNGxmIlBCtkNeWr0PY0n","type":"track"}

Konoha No Sekaijijou
type: MusicRecording
duration: PT3M15S
duration ms: 195426
explicit: false
by artist: Jin
by artist: Nanou
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500015
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T15:26:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8ad0aa0d47ffa59e2e10508503d20488a65ef4008bdae3252f083ff28dae7731
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/7tNHQtzoO7OS56hjT8j752.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7tNHQtzoO7OS56hjT8j752
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8ad0aa0d47ffa59e2e10508503d20488a65ef4008bdae3252f083ff28dae7731","isrc":"JPQ941500015","name":"Konoha No Sekaijijou","registered_at":"2026-06-09T15:26:17Z","spotify_id":"7tNHQtzoO7OS56hjT8j752","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 0x8ad0aa0d47ffa59e2e10508503d20488a65ef4008bdae3252f083ff28dae7731. 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/7tNHQtzoO7OS56hjT8j752.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/7tNHQtzoO7OS56hjT8j752.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x8ad0aa0d47ffa59e2e10508503d20488a65ef4008bdae3252f083ff28dae7731","isrc":"JPQ941500015","name":"Konoha No Sekaijijou","registered_at":"2026-06-09T15:26:17Z","spotify_id":"7tNHQtzoO7OS56hjT8j752","type":"track"}

Tomei Answer
type: MusicRecording
duration: PT4M30S
duration ms: 270821
explicit: false
by artist: Jin
by artist: Taguchi Shoichi
by artist: Annabel
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500016
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T18:27:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6fd449ebd7d50392c22d2e7fec01161a0798b8db1c35aa1cc522dafc8f2cc477
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/2p4s3x2hPk2eNGGiipHEqR.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2p4s3x2hPk2eNGGiipHEqR
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6fd449ebd7d50392c22d2e7fec01161a0798b8db1c35aa1cc522dafc8f2cc477","isrc":"JPQ941500016","name":"Tomei Answer","registered_at":"2026-06-07T18:27:35Z","spotify_id":"2p4s3x2hPk2eNGGiipHEqR","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 0x6fd449ebd7d50392c22d2e7fec01161a0798b8db1c35aa1cc522dafc8f2cc477. 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/2p4s3x2hPk2eNGGiipHEqR.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/2p4s3x2hPk2eNGGiipHEqR.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x6fd449ebd7d50392c22d2e7fec01161a0798b8db1c35aa1cc522dafc8f2cc477","isrc":"JPQ941500016","name":"Tomei Answer","registered_at":"2026-06-07T18:27:35Z","spotify_id":"2p4s3x2hPk2eNGGiipHEqR","type":"track"}

Outer Science
type: MusicRecording
duration: PT4M59S
duration ms: 299398
explicit: false
by artist: Jin
by artist: One
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500017
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T10:31:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2d8ad4faad2e53be6566b7325cc2895deda07780bb2f4220bf98cbccf49cbd88
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/58BT2ZbcwwToftTMpkgS4c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/58BT2ZbcwwToftTMpkgS4c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2d8ad4faad2e53be6566b7325cc2895deda07780bb2f4220bf98cbccf49cbd88","isrc":"JPQ941500017","name":"Outer Science","registered_at":"2026-06-08T10:31:24Z","spotify_id":"58BT2ZbcwwToftTMpkgS4c","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 0x2d8ad4faad2e53be6566b7325cc2895deda07780bb2f4220bf98cbccf49cbd88. 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/58BT2ZbcwwToftTMpkgS4c.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/58BT2ZbcwwToftTMpkgS4c.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x2d8ad4faad2e53be6566b7325cc2895deda07780bb2f4220bf98cbccf49cbd88","isrc":"JPQ941500017","name":"Outer Science","registered_at":"2026-06-08T10:31:24Z","spotify_id":"58BT2ZbcwwToftTMpkgS4c","type":"track"}

Otsukimi Recital
type: MusicRecording
duration: PT3M50S
duration ms: 230281
explicit: false
by artist: Jin
by artist: IA
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500018
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T18:14:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb6af0a1c97ec1821f4401116601d052a104579638f0c65c2db0ce8dc7906b6b5
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/1ErvrGw5omZOwzgC4xyfJB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ErvrGw5omZOwzgC4xyfJB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb6af0a1c97ec1821f4401116601d052a104579638f0c65c2db0ce8dc7906b6b5","isrc":"JPQ941500018","name":"Otsukimi Recital","registered_at":"2026-06-08T18:14:06Z","spotify_id":"1ErvrGw5omZOwzgC4xyfJB","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 0xb6af0a1c97ec1821f4401116601d052a104579638f0c65c2db0ce8dc7906b6b5. 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/1ErvrGw5omZOwzgC4xyfJB.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/1ErvrGw5omZOwzgC4xyfJB.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xb6af0a1c97ec1821f4401116601d052a104579638f0c65c2db0ce8dc7906b6b5","isrc":"JPQ941500018","name":"Otsukimi Recital","registered_at":"2026-06-08T18:14:06Z","spotify_id":"1ErvrGw5omZOwzgC4xyfJB","type":"track"}

Marry No Kakuusekai
type: MusicRecording
duration: PT3M39S
duration ms: 219008
explicit: false
by artist: Jin
by artist: Lia
by artist: Maya
in album: Mekakucity M's 2 ～Mekakucity Actors Vocal & Sound Collection～
  type: MusicAlbum
  date published: 2015-06-03
isrc code: JPQ941500019
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T20:57:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdc44d6e237e8d2f59862437c25c54e9cb3228f38635ad1c78cb94748bb88d925
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/4q3X0QNKDgoA6JtElsInCx.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4q3X0QNKDgoA6JtElsInCx
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdc44d6e237e8d2f59862437c25c54e9cb3228f38635ad1c78cb94748bb88d925","isrc":"JPQ941500019","name":"Marry No Kakuusekai","registered_at":"2026-06-20T20:57:46Z","spotify_id":"4q3X0QNKDgoA6JtElsInCx","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 0xdc44d6e237e8d2f59862437c25c54e9cb3228f38635ad1c78cb94748bb88d925. 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/4q3X0QNKDgoA6JtElsInCx.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/4q3X0QNKDgoA6JtElsInCx.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xdc44d6e237e8d2f59862437c25c54e9cb3228f38635ad1c78cb94748bb88d925","isrc":"JPQ941500019","name":"Marry No Kakuusekai","registered_at":"2026-06-20T20:57:46Z","spotify_id":"4q3X0QNKDgoA6JtElsInCx","type":"track"}