urei
type: MusicGroup
genre: melodic hardcore
description: United Recording Electronics Industries (UREI) was a manufacturer of recording, mixing and audio signal processing hardware for the professional recording studio, live sound and broadcasting fields.
popularity: 7
followers: 554
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeed9f3de0d9d3ec60201ce59a7c5e7b2ddea19548df1e48d4fc2343c57316f41
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/380ddc3a-a7bf-41f3-baf7-61ba0a559c44.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/380ddc3a-a7bf-41f3-baf7-61ba0a559c44.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/380ddc3a-a7bf-41f3-baf7-61ba0a559c44
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0xeed9f3de0d9d3ec60201ce59a7c5e7b2ddea19548df1e48d4fc2343c57316f41. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/380ddc3a-a7bf-41f3-baf7-61ba0a559c44.json and https://artists.proofprofile.net/proofs/artist/380ddc3a-a7bf-41f3-baf7-61ba0a559c44.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: 夢に生きる。
  type: MusicAlbum
  date published: 2020-02-01
album: Irohauta
  type: MusicAlbum
  date published: 2021-11-25
album: urei playlist
  type: MusicAlbum
  date published: 2023-03-09
album: STAND BY YOU
  type: MusicAlbum
  date published: 2023-12-01
  track: HERO MIND
    type: MusicRecording
    duration: PT1M30S
    duration ms: 90000
    explicit: false
    by artist: urei
    in album: STAND BY YOU
      type: MusicAlbum
      date published: 2023-12-01
    genre: melodic hardcore
    isrc code: TCJPY2305298
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T06:20:31+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4ad20d395bc4ec8492e4b796370d65361e5e4c71c39fc43e6536c2194ba4196e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956894
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956894
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPY2305298
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T07:53:57Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ad20d395bc4ec8492e4b796370d65361e5e4c71c39fc43e6536c2194ba4196e. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPY2305298.
      date published: 2026-07-06T07:53:57Z
    audio: HERO MIND
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 107.184
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.396
      additional property: Energy
        type: PropertyValue
        value: 0.963
      additional property: Speechiness
        type: PropertyValue
        value: 0.176
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.357
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.225
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.392
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: STAND BY YOU
  type: MusicAlbum
  date published: 2023-12-01
album: ブルーアワー
  type: MusicAlbum
  date published: 2024-07-01
album: blue hour
  type: MusicAlbum
  date published: 2024-07-01
album: survive
  type: MusicAlbum
  date published: 2024-09-22
  track: 革命前夜
    type: MusicRecording
    duration: PT2M31S
    duration ms: 151000
    explicit: false
    by artist: urei
    in album: survive
      type: MusicAlbum
      date published: 2024-09-22
    genre: melodic hardcore
    isrc code: TCJPB2473359
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T06:44:55+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x94a16d5547f1d0547cef2ccfb394b875d1c8235e7ba21092bfcb65891d42bbf9
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958383
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958383
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPB2473359
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T08:20:01Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94a16d5547f1d0547cef2ccfb394b875d1c8235e7ba21092bfcb65891d42bbf9. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPB2473359.
      date published: 2026-07-17T08:20:01Z
    audio: 革命前夜
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 110.973
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Dear my friends
album: SMASH

Danceability
type: PropertyValue
value: 0.425

Energy
type: PropertyValue
value: 0.969

Speechiness
type: PropertyValue
value: 0.136

Acousticness
type: PropertyValue
value: 0

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.366

Valence (Positivity)
type: PropertyValue
value: 0.284

Loudness (dB)
type: PropertyValue
value: -6.121

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

survive
type: MusicAlbum
date published: 2024-09-22

Dear my friends
type: MusicAlbum
date published: 2025-05-21
track: Dear my friends
  type: MusicRecording
  duration: PT4M54S
  duration ms: 294000
  explicit: false
  by artist: urei
  in album: Dear my friends
    type: MusicAlbum
    date published: 2025-05-21
  genre: melodic hardcore
  isrc code: TCJPG2598901
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T18:20:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x084d9ee9ce258ff4100322b6708478cb44a6ffc0fcc463c4762f4dab586ac961
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958196
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958196
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPG2598901
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T20:38:50Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x084d9ee9ce258ff4100322b6708478cb44a6ffc0fcc463c4762f4dab586ac961. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T20:38:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPG2598901.
    date published: 2026-07-15T20:38:50Z
  audio: Dear my friends
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 101.069
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.361
    additional property: Energy
      type: PropertyValue
      value: 0.878
    additional property: Speechiness
      type: PropertyValue
      value: 0.054
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.112
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.507
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.003
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Dear my friends
type: MusicAlbum
date published: 2025-05-21

SMASH
type: MusicAlbum
date published: 2025-06-04
track: SMASH
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183000
  explicit: false
  by artist: urei
  in album: SMASH
    type: MusicAlbum
    date published: 2025-06-04
  genre: melodic hardcore
  isrc code: TCJPG2599947
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T19:58:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc8c19cedebca668b539646d481f9b475f60130334a37f2d9aa6af7759b42afee
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956738
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956738
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPG2599947
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T04:47:21Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8c19cedebca668b539646d481f9b475f60130334a37f2d9aa6af7759b42afee. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPG2599947.
    date published: 2026-07-05T04:47:21Z
  audio: SMASH
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 97.99
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.464
    additional property: Energy
      type: PropertyValue
      value: 0.955
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.259
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.566
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.33
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

SMASH
type: MusicAlbum
date published: 2025-06-04