10-FEET
type: MusicGroup
genre: j-pop
genre: j-rock
genre: melodic hardcore
popularity: 54
followers: 398228
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb2af223b7197695ecd696b9617733c288c23380becdc405bf826adeb1ed5cada
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953408
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953408
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/79f5bd8a-ec23-4117-bcb0-e42c6d0c967c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/79f5bd8a-ec23-4117-bcb0-e42c6d0c967c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/79f5bd8a-ec23-4117-bcb0-e42c6d0c967c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:28:13Z
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 0xb2af223b7197695ecd696b9617733c288c23380becdc405bf826adeb1ed5cada. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/79f5bd8a-ec23-4117-bcb0-e42c6d0c967c.json and https://artists.proofprofile.net/proofs/artist/79f5bd8a-ec23-4117-bcb0-e42c6d0c967c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
album: コリンズ
  type: MusicAlbum
  date published: 2022-12-14
  track: 第ゼロ感
    type: MusicRecording
    duration: PT4M46S
    duration ms: 286000
    explicit: false
    by artist: 10-FEET
    in album: コリンズ
      type: MusicAlbum
      date published: 2022-12-14
    isrc code: JPPO02203957
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-01T15:34:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953513
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953513
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/6zjk7Qbwb9DZ4ykUUoqknh.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6zjk7Qbwb9DZ4ykUUoqknh
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T12:47:07Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d","isrc":"JPPO02203957","name":"第ゼロ感","registered_at":"2026-06-01T15:34:06Z","spotify_id":"6zjk7Qbwb9DZ4ykUUoqknh","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 0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6zjk7Qbwb9DZ4ykUUoqknh.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/6zjk7Qbwb9DZ4ykUUoqknh.
      date published: 2026-06-13T12:47:07Z
      text: {"copyright_id":"0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d","isrc":"JPPO02203957","name":"第ゼロ感","registered_at":"2026-06-01T15:34:06Z","spotify_id":"6zjk7Qbwb9DZ4ykUUoqknh","type":"track"}
album: 6－feat 2
  type: MusicAlbum
  date published: 2014-06-18
  track: super stomper
    type: MusicRecording
    duration: PT3M18S
    duration ms: 198680
    explicit: false
    by artist: 10-FEET
    by artist: MAN WITH A MISSION
    in album: 6－feat 2
      type: MusicAlbum
      date published: 2014-06-18
    isrc code: JPPO01405257
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-04T15:43:34+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8f27c388c2980a760c2f523a2ad681e3f8d6cd77d93b49897ddd24efa20c0dc8
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953513
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953513
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/06SDE4FKNvfG9Dxe2GZY3j.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/06SDE4FKNvfG9Dxe2GZY3j
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T12:47:07Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x8f27c388c2980a760c2f523a2ad681e3f8d6cd77d93b49897ddd24efa20c0dc8","isrc":"JPPO01405257","name":"super stomper","registered_at":"2026-06-04T15:43:34Z","spotify_id":"06SDE4FKNvfG9Dxe2GZY3j","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 0x8f27c388c2980a760c2f523a2ad681e3f8d6cd77d93b49897ddd24efa20c0dc8. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/06SDE4FKNvfG9Dxe2GZY3j.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/06SDE4FKNvfG9Dxe2GZY3j.
      date published: 2026-06-13T12:47:07Z
      text: {"copyright_id":"0x8f27c388c2980a760c2f523a2ad681e3f8d6cd77d93b49897ddd24efa20c0dc8","isrc":"JPPO01405257","name":"super stomper","registered_at":"2026-06-04T15:43:34Z","spotify_id":"06SDE4FKNvfG9Dxe2GZY3j","type":"track"}
  track: STONE COLD BREAK
    type: MusicRecording
    duration: PT3M7S
    duration ms: 187706
    explicit: false
    by artist: 10-FEET
    by artist: FIRE BALL
    in album: 6－feat 2
      type: MusicAlbum
      date published: 2014-06-18
    isrc code: JPPO01405260
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-24T10:49:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xad5360cd8fbc54b5f34c8b1ea0d08f44d1d439ee11ee93b417231e438ffc85b0
    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/5IGiq3kg0heQbvqSqYXtTY.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5IGiq3kg0heQbvqSqYXtTY
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T05:09:12Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0xad5360cd8fbc54b5f34c8b1ea0d08f44d1d439ee11ee93b417231e438ffc85b0","isrc":"JPPO01405260","name":"STONE COLD BREAK","registered_at":"2026-06-24T10:49:06Z","spotify_id":"5IGiq3kg0heQbvqSqYXtTY","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 0xad5360cd8fbc54b5f34c8b1ea0d08f44d1d439ee11ee93b417231e438ffc85b0. 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/5IGiq3kg0heQbvqSqYXtTY.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/5IGiq3kg0heQbvqSqYXtTY.
      date published: 2026-07-02T05:09:12Z
      text: {"copyright_id":"0xad5360cd8fbc54b5f34c8b1ea0d08f44d1d439ee11ee93b417231e438ffc85b0","isrc":"JPPO01405260","name":"STONE COLD BREAK","registered_at":"2026-06-24T10:49:06Z","spotify_id":"5IGiq3kg0heQbvqSqYXtTY","type":"track"}
  track: hammer ska
    type: MusicRecording
    duration: PT4M1S
    duration ms: 241600
    explicit: false
    by artist: 10-FEET
    by artist: Tokyo Ska Paradise Orchestra
    in album: 6－feat 2
      type: MusicAlbum
      date published: 2014-06-18
    isrc code: JPPO01405258
    additional property: CopyrightID
    additional property: CopyrightStatus
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSRecordURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
  track: focus（re－focus）
  track: ライオン
  track: その向こうへ
track: 第ゼロ感
track: 手と手
track: オトナノススメ～35th 愛されSP～
track: super stomper
track: その向こうへ
track: WAY TO THE SUN
track: hammer ska
track: STONE COLD BREAK
track: focus（re－focus）
track: ライオン
track: Yuri no Saku Basho de
track: Can You Waik in State
track: 金色グラフティー

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-19T23:57:42+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x6402add333d59520a0d663618f6325e56f3f9b8ae1ad890760e7eaecd26d96d7

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

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

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/7mtWK4llzEK0byFldwy2aJ.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7mtWK4llzEK0byFldwy2aJ

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

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x6402add333d59520a0d663618f6325e56f3f9b8ae1ad890760e7eaecd26d96d7","isrc":"JPPO01405258","name":"hammer ska","registered_at":"2026-06-19T23:57:42Z","spotify_id":"7mtWK4llzEK0byFldwy2aJ","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 0x6402add333d59520a0d663618f6325e56f3f9b8ae1ad890760e7eaecd26d96d7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7mtWK4llzEK0byFldwy2aJ.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/7mtWK4llzEK0byFldwy2aJ.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x6402add333d59520a0d663618f6325e56f3f9b8ae1ad890760e7eaecd26d96d7","isrc":"JPPO01405258","name":"hammer ska","registered_at":"2026-06-19T23:57:42Z","spotify_id":"7mtWK4llzEK0byFldwy2aJ","type":"track"}

focus（re－focus）
type: MusicRecording
duration: PT2M50S
duration ms: 170226
explicit: false
by artist: 10-FEET
by artist: RHYMESTER
in album: 6－feat 2
  type: MusicAlbum
  date published: 2014-06-18
isrc code: JPPO01405259

ライオン
type: MusicRecording
duration: PT4M43S
duration ms: 283773
explicit: false
by artist: 10-FEET
by artist: tricot
in album: 6－feat 2
  type: MusicAlbum
  date published: 2014-06-18
isrc code: JPPO01405262

その向こうへ
type: MusicRecording
duration: PT5M10S
duration ms: 310293
explicit: false
by artist: 10-FEET
by artist: ROTTENGRAFFTY
in album: 6－feat 2
  type: MusicAlbum
  date published: 2014-06-18
isrc code: JPPO01405261
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T07:03:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xef495c8c0d5591852c08bff9c55f5b4aebb6d2be5b77e2e1cdec0f3a378bb126
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/48t6jkWItVU6potugYt7dI.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/48t6jkWItVU6potugYt7dI
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xef495c8c0d5591852c08bff9c55f5b4aebb6d2be5b77e2e1cdec0f3a378bb126","isrc":"JPPO01405261","name":"その向こうへ","registered_at":"2026-06-09T07:03:40Z","spotify_id":"48t6jkWItVU6potugYt7dI","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 0xef495c8c0d5591852c08bff9c55f5b4aebb6d2be5b77e2e1cdec0f3a378bb126. 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/48t6jkWItVU6potugYt7dI.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/48t6jkWItVU6potugYt7dI.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xef495c8c0d5591852c08bff9c55f5b4aebb6d2be5b77e2e1cdec0f3a378bb126","isrc":"JPPO01405261","name":"その向こうへ","registered_at":"2026-06-09T07:03:40Z","spotify_id":"48t6jkWItVU6potugYt7dI","type":"track"}

第ゼロ感
type: MusicRecording
duration: PT4M46S
duration ms: 286000
explicit: false
by artist: 10-FEET
in album: コリンズ
  type: MusicAlbum
  date published: 2022-12-14
isrc code: JPPO02203957
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T15:34:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6zjk7Qbwb9DZ4ykUUoqknh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6zjk7Qbwb9DZ4ykUUoqknh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d","isrc":"JPPO02203957","name":"第ゼロ感","registered_at":"2026-06-01T15:34:06Z","spotify_id":"6zjk7Qbwb9DZ4ykUUoqknh","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 0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6zjk7Qbwb9DZ4ykUUoqknh.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/6zjk7Qbwb9DZ4ykUUoqknh.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d","isrc":"JPPO02203957","name":"第ゼロ感","registered_at":"2026-06-01T15:34:06Z","spotify_id":"6zjk7Qbwb9DZ4ykUUoqknh","type":"track"}

手と手
type: MusicRecording
duration: PT3M25S
duration ms: 205516
explicit: false
by artist: 10-FEET
in album: もしも生まれ変わったならそっとこんな声になって
  type: MusicAlbum
  date published: 2024-08-28
isrc code: JPPO02403456
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T16:12:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x934da094195efb7d0fa4b2633624baac4aa73deb8cc31598ab1e5656e2980f5b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3iMKletjVqMR7Qr9CP0IIx.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3iMKletjVqMR7Qr9CP0IIx
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x934da094195efb7d0fa4b2633624baac4aa73deb8cc31598ab1e5656e2980f5b","isrc":"JPPO02403456","name":"手と手","registered_at":"2026-06-04T16:12:31Z","spotify_id":"3iMKletjVqMR7Qr9CP0IIx","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 0x934da094195efb7d0fa4b2633624baac4aa73deb8cc31598ab1e5656e2980f5b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3iMKletjVqMR7Qr9CP0IIx.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/3iMKletjVqMR7Qr9CP0IIx.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x934da094195efb7d0fa4b2633624baac4aa73deb8cc31598ab1e5656e2980f5b","isrc":"JPPO02403456","name":"手と手","registered_at":"2026-06-04T16:12:31Z","spotify_id":"3iMKletjVqMR7Qr9CP0IIx","type":"track"}

オトナノススメ～35th 愛されSP～
type: MusicRecording
duration: PT5M58S
duration ms: 358773
explicit: false
by artist: Dohatsuten
by artist: 綾小路 翔(氣志團)
by artist: うつみようこ
by artist: Oi-SKALL MATES
by artist: 大木温之(The ピーズ)
by artist: Kenji Ohtsuki
by artist: THE BACK HORN
by artist: 掟ポルシェ(ロマンポルシェ。)
by artist: 奥野真哉(ソウル・フラワー・ユニオン)
by artist: オサナイユウタ(The Jerry)
by artist: GaGaGa SP
by artist: Hironobu Kageyama
by artist: Meiko Kaji
by artist: Katteni Shiyagare
by artist: 加藤ひさし(THE COLLECTORS)
by artist: 川中美幸
by artist: Guitar Wolf
by artist: Koji Kikkawa
by artist: Atsuki Kimura
by artist: クジヒロコ
by artist: Group Tamashii
by artist: BRAHMAN/OAU
by artist: SCOOBIE DO
by artist: Kazuyoshi Saito
by artist: The Inazuma Sentai
by artist: The 50kaitenz
by artist: TH eCOMMONS
by artist: THE BAWDIES
by artist: Sambomaster
by artist: ZIP (LATLX(LUCY & THE LIPSTIX))
by artist: 柴山俊之
by artist: suxingcyu
by artist: Shikao Suga
by artist: 菅原 卓郎(9mm Parabellum Bullet)
by artist: Flower Companyz
by artist: 須藤寿(髭)
by artist: SLANG
by artist: 騒音寺
by artist: TARSHI(ex.LONESOME DOVE WOODROWS)
by artist: TAISEI(SA)
by artist: タカハシマイ(Czecho No Republic)
by artist: 滝 善充(9mm Parabellum Bullet)
by artist: 田島貴男(ORIGINAL LOVE)
by artist: チバユウスケ
by artist: 鐵槌
by artist: 10-FEET
by artist: 東狂アルゴリズム
by artist: トータス松本(ウルフルズ)
by artist: TOMOVSKY
by artist: トライシグナル
in album: 怒髪天
  type: MusicAlbum
  date published: 2019-10-16
isrc code: JPTE01906750
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:02:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e5b445fc20d0083855b93f389f51a739ff68d4b31d8497d719a41b2e224cfe2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3XX6BtSylORxt3MhxvNLK3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3XX6BtSylORxt3MhxvNLK3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5e5b445fc20d0083855b93f389f51a739ff68d4b31d8497d719a41b2e224cfe2","isrc":"JPTE01906750","name":"オトナノススメ～35th 愛されSP～","registered_at":"2026-06-04T13:02:54Z","spotify_id":"3XX6BtSylORxt3MhxvNLK3","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 0x5e5b445fc20d0083855b93f389f51a739ff68d4b31d8497d719a41b2e224cfe2. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3XX6BtSylORxt3MhxvNLK3.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/3XX6BtSylORxt3MhxvNLK3.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x5e5b445fc20d0083855b93f389f51a739ff68d4b31d8497d719a41b2e224cfe2","isrc":"JPTE01906750","name":"オトナノススメ～35th 愛されSP～","registered_at":"2026-06-04T13:02:54Z","spotify_id":"3XX6BtSylORxt3MhxvNLK3","type":"track"}

super stomper
type: MusicRecording
duration: PT3M18S
duration ms: 198680
explicit: false
by artist: 10-FEET
by artist: MAN WITH A MISSION
in album: 6－feat 2
  type: MusicAlbum
  date published: 2014-06-18
isrc code: JPPO01405257
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T15:43:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8f27c388c2980a760c2f523a2ad681e3f8d6cd77d93b49897ddd24efa20c0dc8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/06SDE4FKNvfG9Dxe2GZY3j.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/06SDE4FKNvfG9Dxe2GZY3j
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8f27c388c2980a760c2f523a2ad681e3f8d6cd77d93b49897ddd24efa20c0dc8","isrc":"JPPO01405257","name":"super stomper","registered_at":"2026-06-04T15:43:34Z","spotify_id":"06SDE4FKNvfG9Dxe2GZY3j","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 0x8f27c388c2980a760c2f523a2ad681e3f8d6cd77d93b49897ddd24efa20c0dc8. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/06SDE4FKNvfG9Dxe2GZY3j.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/06SDE4FKNvfG9Dxe2GZY3j.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x8f27c388c2980a760c2f523a2ad681e3f8d6cd77d93b49897ddd24efa20c0dc8","isrc":"JPPO01405257","name":"super stomper","registered_at":"2026-06-04T15:43:34Z","spotify_id":"06SDE4FKNvfG9Dxe2GZY3j","type":"track"}

その向こうへ
type: MusicRecording
duration: PT5M10S
duration ms: 310293
explicit: false
by artist: 10-FEET
by artist: ROTTENGRAFFTY
in album: 6－feat 2
  type: MusicAlbum
  date published: 2014-06-18
isrc code: JPPO01405261
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T07:03:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xef495c8c0d5591852c08bff9c55f5b4aebb6d2be5b77e2e1cdec0f3a378bb126
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/48t6jkWItVU6potugYt7dI.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/48t6jkWItVU6potugYt7dI
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xef495c8c0d5591852c08bff9c55f5b4aebb6d2be5b77e2e1cdec0f3a378bb126","isrc":"JPPO01405261","name":"その向こうへ","registered_at":"2026-06-09T07:03:40Z","spotify_id":"48t6jkWItVU6potugYt7dI","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 0xef495c8c0d5591852c08bff9c55f5b4aebb6d2be5b77e2e1cdec0f3a378bb126. 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/48t6jkWItVU6potugYt7dI.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/48t6jkWItVU6potugYt7dI.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xef495c8c0d5591852c08bff9c55f5b4aebb6d2be5b77e2e1cdec0f3a378bb126","isrc":"JPPO01405261","name":"その向こうへ","registered_at":"2026-06-09T07:03:40Z","spotify_id":"48t6jkWItVU6potugYt7dI","type":"track"}

第ゼロ感
type: MusicRecording
duration: PT4M47S
duration ms: 287991
explicit: false
by artist: 10-FEET
in album: J-Pop Festival
  type: MusicAlbum
  date published: 2023-05-24
isrc code: JPPO02203957
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T15:34:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d
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/3283kY8hmrJEDBqRqPlpMh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3283kY8hmrJEDBqRqPlpMh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d","isrc":"JPPO02203957","name":"第ゼロ感","registered_at":"2026-06-01T15:34:06Z","spotify_id":"3283kY8hmrJEDBqRqPlpMh","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 0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d. 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/3283kY8hmrJEDBqRqPlpMh.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/3283kY8hmrJEDBqRqPlpMh.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d","isrc":"JPPO02203957","name":"第ゼロ感","registered_at":"2026-06-01T15:34:06Z","spotify_id":"3283kY8hmrJEDBqRqPlpMh","type":"track"}

WAY TO THE SUN
type: MusicRecording
duration: PT4M13S
duration ms: 253280
explicit: false
by artist: 10-FEET
in album: Timeless Melodies - a tribute to dustbox -
  type: MusicAlbum
  date published: 2024-07-03
isrc code: JPK402401196
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T20:31:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1b355aaa40f25e00bc09000ec811c9d3d68b56dc91ad2a43361cbadd8d1da93d
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/0sd2HQladgQhM2v4lkQehq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0sd2HQladgQhM2v4lkQehq
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1b355aaa40f25e00bc09000ec811c9d3d68b56dc91ad2a43361cbadd8d1da93d","isrc":"JPK402401196","name":"WAY TO THE SUN","registered_at":"2026-06-25T20:31:08Z","spotify_id":"0sd2HQladgQhM2v4lkQehq","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 0x1b355aaa40f25e00bc09000ec811c9d3d68b56dc91ad2a43361cbadd8d1da93d. 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/0sd2HQladgQhM2v4lkQehq.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/0sd2HQladgQhM2v4lkQehq.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x1b355aaa40f25e00bc09000ec811c9d3d68b56dc91ad2a43361cbadd8d1da93d","isrc":"JPK402401196","name":"WAY TO THE SUN","registered_at":"2026-06-25T20:31:08Z","spotify_id":"0sd2HQladgQhM2v4lkQehq","type":"track"}

hammer ska
type: MusicRecording
duration: PT4M1S
duration ms: 241600
explicit: false
by artist: 10-FEET
by artist: Tokyo Ska Paradise Orchestra
in album: 6－feat 2
  type: MusicAlbum
  date published: 2014-06-18
isrc code: JPPO01405258
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T23:57:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6402add333d59520a0d663618f6325e56f3f9b8ae1ad890760e7eaecd26d96d7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7mtWK4llzEK0byFldwy2aJ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7mtWK4llzEK0byFldwy2aJ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6402add333d59520a0d663618f6325e56f3f9b8ae1ad890760e7eaecd26d96d7","isrc":"JPPO01405258","name":"hammer ska","registered_at":"2026-06-19T23:57:42Z","spotify_id":"7mtWK4llzEK0byFldwy2aJ","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 0x6402add333d59520a0d663618f6325e56f3f9b8ae1ad890760e7eaecd26d96d7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7mtWK4llzEK0byFldwy2aJ.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/7mtWK4llzEK0byFldwy2aJ.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x6402add333d59520a0d663618f6325e56f3f9b8ae1ad890760e7eaecd26d96d7","isrc":"JPPO01405258","name":"hammer ska","registered_at":"2026-06-19T23:57:42Z","spotify_id":"7mtWK4llzEK0byFldwy2aJ","type":"track"}

STONE COLD BREAK
type: MusicRecording
duration: PT3M7S
duration ms: 187706
explicit: false
by artist: 10-FEET
by artist: FIRE BALL
in album: 6－feat 2
  type: MusicAlbum
  date published: 2014-06-18
isrc code: JPPO01405260
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T10:49:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad5360cd8fbc54b5f34c8b1ea0d08f44d1d439ee11ee93b417231e438ffc85b0
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/5IGiq3kg0heQbvqSqYXtTY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5IGiq3kg0heQbvqSqYXtTY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xad5360cd8fbc54b5f34c8b1ea0d08f44d1d439ee11ee93b417231e438ffc85b0","isrc":"JPPO01405260","name":"STONE COLD BREAK","registered_at":"2026-06-24T10:49:06Z","spotify_id":"5IGiq3kg0heQbvqSqYXtTY","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 0xad5360cd8fbc54b5f34c8b1ea0d08f44d1d439ee11ee93b417231e438ffc85b0. 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/5IGiq3kg0heQbvqSqYXtTY.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/5IGiq3kg0heQbvqSqYXtTY.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xad5360cd8fbc54b5f34c8b1ea0d08f44d1d439ee11ee93b417231e438ffc85b0","isrc":"JPPO01405260","name":"STONE COLD BREAK","registered_at":"2026-06-24T10:49:06Z","spotify_id":"5IGiq3kg0heQbvqSqYXtTY","type":"track"}

focus（re－focus）
type: MusicRecording
duration: PT2M50S
duration ms: 170226
explicit: false
by artist: 10-FEET
by artist: RHYMESTER
in album: 6－feat 2
  type: MusicAlbum
  date published: 2014-06-18
isrc code: JPPO01405259

ライオン
type: MusicRecording
duration: PT4M43S
duration ms: 283773
explicit: false
by artist: 10-FEET
by artist: tricot
in album: 6－feat 2
  type: MusicAlbum
  date published: 2014-06-18
isrc code: JPPO01405262

Yuri no Saku Basho de
type: MusicRecording
duration: PT3M16S
duration ms: 196666
explicit: false
by artist: 10-FEET
in album: 25 -A Tribute To Dragon Ash-(Another Edition)
  type: MusicAlbum
  date published: 2023-02-22
isrc code: JPVI02204562

第ゼロ感
type: MusicRecording
duration: PT4M47S
duration ms: 287991
explicit: false
by artist: 10-FEET
in album: 2024 日語流行曲精選
  type: MusicAlbum
  date published: 2024-05-13
isrc code: JPPO02203957
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T15:34:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957118
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6AgVeKrx9tOhGhXBxRtd0T.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6AgVeKrx9tOhGhXBxRtd0T
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d","isrc":"JPPO02203957","name":"第ゼロ感","registered_at":"2026-06-01T15:34:06Z","spotify_id":"6AgVeKrx9tOhGhXBxRtd0T","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 0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6AgVeKrx9tOhGhXBxRtd0T.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/6AgVeKrx9tOhGhXBxRtd0T.
  date published: 2026-07-08T03:20:19Z
  text: {"copyright_id":"0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d","isrc":"JPPO02203957","name":"第ゼロ感","registered_at":"2026-06-01T15:34:06Z","spotify_id":"6AgVeKrx9tOhGhXBxRtd0T","type":"track"}

Can You Waik in State
type: MusicRecording
duration: PT3M21S
duration ms: 201626
explicit: false
by artist: 10-FEET
in album: AGGRESSIVE DOGS TRIBUTE ALBUM“真我”
  type: MusicAlbum
  date published: 2009-04-08
isrc code: JPN100900501

第ゼロ感
type: MusicRecording
duration: PT4M47S
duration ms: 287991
explicit: false
by artist: 10-FEET
in album: J-POP Karaoke Hits 2023 in Korea
  type: MusicAlbum
  date published: 2023-09-01

第ゼロ感
type: MusicRecording
duration: PT4M47S
duration ms: 287991
explicit: false
by artist: 10-FEET
in album: 新学期＆新生活応援ソング！
  type: MusicAlbum
  date published: 2023-04-01
isrc code: JPPO02203957
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T15:34:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3ksjookQY3iRdHj2YL75nZ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3ksjookQY3iRdHj2YL75nZ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d","isrc":"JPPO02203957","name":"第ゼロ感","registered_at":"2026-06-01T15:34:06Z","spotify_id":"3ksjookQY3iRdHj2YL75nZ","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 0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3ksjookQY3iRdHj2YL75nZ.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/3ksjookQY3iRdHj2YL75nZ.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d","isrc":"JPPO02203957","name":"第ゼロ感","registered_at":"2026-06-01T15:34:06Z","spotify_id":"3ksjookQY3iRdHj2YL75nZ","type":"track"}

第ゼロ感
type: MusicRecording
duration: PT4M47S
duration ms: 287991
explicit: false
by artist: 10-FEET
in album: J-POP Viral Hits 2023 in China
  type: MusicAlbum
  date published: 2023-11-07
isrc code: JPPO02203957
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T15:34:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957145
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2FLyAVI4sIf3DEnxeJafai.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2FLyAVI4sIf3DEnxeJafai
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d","isrc":"JPPO02203957","name":"第ゼロ感","registered_at":"2026-06-01T15:34:06Z","spotify_id":"2FLyAVI4sIf3DEnxeJafai","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 0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2FLyAVI4sIf3DEnxeJafai.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/2FLyAVI4sIf3DEnxeJafai.
  date published: 2026-07-08T08:56:20Z
  text: {"copyright_id":"0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d","isrc":"JPPO02203957","name":"第ゼロ感","registered_at":"2026-06-01T15:34:06Z","spotify_id":"2FLyAVI4sIf3DEnxeJafai","type":"track"}

第ゼロ感
type: MusicRecording
duration: PT4M47S
duration ms: 287991
explicit: false
by artist: 10-FEET
in album: Harajuku Buzz Tracks 2024
  type: MusicAlbum
  date published: 2024-09-06
isrc code: JPPO02203957
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T15:34:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957145
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/38FEetuv3jA0PgP3KmcrSN.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/38FEetuv3jA0PgP3KmcrSN
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d","isrc":"JPPO02203957","name":"第ゼロ感","registered_at":"2026-06-01T15:34:06Z","spotify_id":"38FEetuv3jA0PgP3KmcrSN","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 0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/38FEetuv3jA0PgP3KmcrSN.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/38FEetuv3jA0PgP3KmcrSN.
  date published: 2026-07-08T08:56:20Z
  text: {"copyright_id":"0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d","isrc":"JPPO02203957","name":"第ゼロ感","registered_at":"2026-06-01T15:34:06Z","spotify_id":"38FEetuv3jA0PgP3KmcrSN","type":"track"}

第ゼロ感
type: MusicRecording
duration: PT4M47S
duration ms: 287991
explicit: false
by artist: 10-FEET
in album: Anime Movie Hits
  type: MusicAlbum
  date published: 2023-07-08
isrc code: JPPO02203957
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T15:34:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957120
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0dL6plePjUbRU2BE541enI.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0dL6plePjUbRU2BE541enI
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d","isrc":"JPPO02203957","name":"第ゼロ感","registered_at":"2026-06-01T15:34:06Z","spotify_id":"0dL6plePjUbRU2BE541enI","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 0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d. 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/0dL6plePjUbRU2BE541enI.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/0dL6plePjUbRU2BE541enI.
  date published: 2026-07-08T03:22:41Z
  text: {"copyright_id":"0x850a67dc966b89244607789ca3b122e21f81251387c19c8d99db3141fec0244d","isrc":"JPPO02203957","name":"第ゼロ感","registered_at":"2026-06-01T15:34:06Z","spotify_id":"0dL6plePjUbRU2BE541enI","type":"track"}

金色グラフティー
type: MusicRecording
duration: PT4M47S
duration ms: 287586
explicit: false
by artist: 10-FEET
in album: ROTTENGRAFFTY Tribute Album ～MOUSE TRAP～
  type: MusicAlbum
  date published: 2019-12-18
isrc code: JPPO01904610
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T16:41:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x71f4a855324ead4700d9a74a14c79b084dd2f7670e3cfec4d104b6cf271bcb05
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/5g8DxKRjMzoImYhgXWAGW2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5g8DxKRjMzoImYhgXWAGW2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x71f4a855324ead4700d9a74a14c79b084dd2f7670e3cfec4d104b6cf271bcb05","isrc":"JPPO01904610","name":"金色グラフティー","registered_at":"2026-06-09T16:41:34Z","spotify_id":"5g8DxKRjMzoImYhgXWAGW2","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 0x71f4a855324ead4700d9a74a14c79b084dd2f7670e3cfec4d104b6cf271bcb05. 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/5g8DxKRjMzoImYhgXWAGW2.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/5g8DxKRjMzoImYhgXWAGW2.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x71f4a855324ead4700d9a74a14c79b084dd2f7670e3cfec4d104b6cf271bcb05","isrc":"JPPO01904610","name":"金色グラフティー","registered_at":"2026-06-09T16:41:34Z","spotify_id":"5g8DxKRjMzoImYhgXWAGW2","type":"track"}