Marcus Chang
type: MusicGroup
genre: c-pop
genre: mandopop
genre: taiwanese pop
description: Marcus Chang (; born 28 May 1983) is a Taiwanese actor and singer-songwriter. He made his acting debut in the film Café. Waiting. Love (2014) and rose to prominence with the television series Back to
popularity: 19
followers: 13163
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x72626e76d5680a8eaba48ce197d04d11f270dc77804a9031de2e1b1132298b3e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953701
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953701
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/75e48c57-1ffe-46ae-935f-6e1427de8bf9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/75e48c57-1ffe-46ae-935f-6e1427de8bf9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/75e48c57-1ffe-46ae-935f-6e1427de8bf9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T22:16:40Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x72626e76d5680a8eaba48ce197d04d11f270dc77804a9031de2e1b1132298b3e","name":"Marcus Chang","registered_at":"2026-06-14T16:48:36Z","symbol":"NIM0515101","token_address":"0xa064358e8963c3fa4253c27d8c16d7914c85a4f5","type":"artist","uuid":"75e48c57-1ffe-46ae-935f-6e1427de8bf9"}
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 0x72626e76d5680a8eaba48ce197d04d11f270dc77804a9031de2e1b1132298b3e. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/75e48c57-1ffe-46ae-935f-6e1427de8bf9.json and https://artists.proofprofile.net/proofs/artist/75e48c57-1ffe-46ae-935f-6e1427de8bf9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:47:56Z
  text: {"copyright_id":"0x72626e76d5680a8eaba48ce197d04d11f270dc77804a9031de2e1b1132298b3e","name":"Marcus Chang","registered_at":"2026-06-14T16:48:36Z","symbol":"NIM0515101","token_address":"0xa064358e8963c3fa4253c27d8c16d7914c85a4f5","type":"artist","uuid":"75e48c57-1ffe-46ae-935f-6e1427de8bf9"}
album: 星空左右 (三立偶像劇「三明治女孩的逆襲」插曲)
  type: MusicAlbum
  date published: 2018-05-21
  track: 星空左右 - (三立偶像劇「三明治女孩的逆襲」插曲)
    type: MusicRecording
    duration: PT4M9S
    duration ms: 249514
    explicit: false
    by artist: Marcus Chang
    in album: 星空左右 (三立偶像劇「三明治女孩的逆襲」插曲)
      type: MusicAlbum
      date published: 2018-05-21
    genre: c-pop
    genre: mandopop
    genre: taiwanese pop
    isrc code: TWA471806003
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T01:41:40+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa3abacda445c66d0c67958b5b22d25e8dd031493a3e1c550d310078d6d216ee3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958489
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958489
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWA471806003
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T04:13:26Z
    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 0xa3abacda445c66d0c67958b5b22d25e8dd031493a3e1c550d310078d6d216ee3. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/TWA471806003.
      date published: 2026-07-18T04:13:26Z
    audio: 星空左右 - (三立偶像劇「三明治女孩的逆襲」插曲)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 117.97
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.595
      additional property: Energy
        type: PropertyValue
        value: 0.376
      additional property: Speechiness
        type: PropertyValue
        value: 0.03
      additional property: Acousticness
        type: PropertyValue
        value: 0.108
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.098
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.199
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.135
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: 我們之間 (三立偶像劇「三明治女孩的逆襲」插曲)
  type: MusicAlbum
  date published: 2018-08-16
  track: 我們之間 - (三立偶像劇「三明治女孩的逆襲」插曲)
    type: MusicRecording
    duration: PT3M15S
    duration ms: 195440
    explicit: false
    by artist: Marcus Chang
    in album: 我們之間 (三立偶像劇「三明治女孩的逆襲」插曲)
      type: MusicAlbum
      date published: 2018-08-16
    genre: c-pop
    genre: mandopop
    genre: taiwanese pop
    isrc code: TWA471812002
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T17:45:36+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd2e100b6dc9a7de19cbe8548e4229215fc48776418ff9c51ccf88f8052b9c666
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956551
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956551
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWA471812002
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T21:18:05Z
    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 0xd2e100b6dc9a7de19cbe8548e4229215fc48776418ff9c51ccf88f8052b9c666. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/TWA471812002.
      date published: 2026-07-03T21:18:05Z
    audio: 我們之間 - (三立偶像劇「三明治女孩的逆襲」插曲)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 134.044
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.749
      additional property: Energy
        type: PropertyValue
        value: 0.594
      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      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: ±1（正負1）
album: 感應心電
album: 我們之間 2.0-(DJ KenLin Remix)
album: Tonight I'm Here
album: 矛盾體
album: 輸給你 (「浪漫輸給你」片尾曲)

Acousticness
type: PropertyValue
value: 0.328

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.065

Valence (Positivity)
type: PropertyValue
value: 0.893

Loudness (dB)
type: PropertyValue
value: -7.481

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Major

±1（正負1）
type: MusicAlbum
date published: 2018-08-31

感應心電
type: MusicAlbum
date published: 2019-02-14

我們之間 2.0-(DJ KenLin Remix)
type: MusicAlbum
date published: 2019-10-25

Tonight I'm Here
type: MusicAlbum
date published: 2019-11-26

矛盾體
type: MusicAlbum
date published: 2019-12-13
track: 說說話
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196185
  explicit: false
  by artist: Marcus Chang
  in album: 矛盾體
    type: MusicAlbum
    date published: 2019-12-13
  genre: c-pop
  genre: mandopop
  genre: taiwanese pop
  isrc code: TWA471920003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-11T18:37:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6efe3e4f911698a7fcf93015a65fea2796d6b108c01ced1ecabebda38bbe7b72
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957603
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957603
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWA471920003
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-11T20:26:17Z
  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 0x6efe3e4f911698a7fcf93015a65fea2796d6b108c01ced1ecabebda38bbe7b72. Chain 2 (Bitcoin): anchored in block 957603 (2026-07-11T20:26:17Z), 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/TWA471920003.
    date published: 2026-07-11T20:26:17Z
  audio: 說說話
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 136.04
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.58
    additional property: Energy
      type: PropertyValue
      value: 0.517
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.101
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.067
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.153
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.505
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major

輸給你 (「浪漫輸給你」片尾曲)
type: MusicAlbum
date published: 2020-06-05